506215-01 Prodigy® 3/2014 Supersedes2/2013 Litho U.S.A. M2 Unit Controller INSTALLATION & SETUP GUIDE FOR THE M2 UNIT CONTROLLER USED WITH ENERGENCE® AND STRATEGOS® ROOFTOP UNITS (Supports DB1 v1.14; M2 v7.13)

Description Table Of Contents USB Firmware Update...... 2 The Prodigy® M2 unit controller: M2 unit controller, expansion board locations, provides control functions for Energence® rooftop unit, SmartWire connections...... 3 includes a user interface consisting of a dot matrix M2 unit controller LED operation indications...... 4 display, navigation arrow buttons, a select button, and a Startup...... 4 Menu interface...... 6 USB port, Operation: provides status and diagnostic information for DISPLAY...... 7 troubleshooting, GUIDED SETUP...... 9 allows adjustment of time delays and setpoints that SERVICE...... 11 enable advanced features, TEST...... 12 is controlled by a standard room , direct digital DATA...... 13 controller (DDC), or a zone sensor, SETTINGS...... 15 can be configured as a device on the network when INSTALL NEW M2...... 22 daisy-chained to the L Connection® Network, Blower Operation with Occupancy and CEC Title 24..... 23 may be connected to a PC which has been loaded with ()...... 24 Unit Controller software, APPENDIX: accepts add-on boards to build variations according to Abbreviations...... 27 Parts List...... 27 application or equipment type. USB Service Report Example...... 28 USB verification and profile sharing. Alarm Codes...... 31 Website Wiring Diagrams...... 35 M2 unit controller signal reference diagram...... 41 For all available Prodigy® documentation, see the Lennox M2 unit controller board connections diagram...... 42 Commercial website (www.lennoxcommercial.com). QUICK START GUIDE (BACK COVER)...... 43

Page 1 M2 (A55) unit controller - location, controls, inputs/outputs

USB Firmware update

Prodigy USB Flash Drive Update Capability Flash Drive Updating USB firmware updating is only available on Prodigy Display, M2 version Supported M2 Board? (DB), firmware versions v1.09.xx and later. To read the 7.0x.xx (no suffix) NO display firmware version, navigate to menu DATA > FACTORY > READ DB SOFTWARE VERSION. Check the 7.0x.xx S NO following table to determine if your display board firmware 7.0x.xx U and later YES version supports USB Flash Drive updating: Auto-update Display (DB) Flash Drive Updating Supported? version The firmware on the Prodigy (M2) controller or on the display Display board M2 Main Board board (DB1) can be auto-updated by inserting a USB stick 1.08.xx and earlier NO NO with new firmware version in the USB slot while the M2 board 1.09.xx D and later NO YES is operating. DB1 FIRMWARE NOTE: The menus described in the 1.09.xx H and later YES YES following will only be available for v1.09.xx H and later To determine if the M2 Main Board supports firmware versions of the DB1 firmware. updates through the Prodigy Display's USB port, navigate to Upon USB insertion, the display will change to “USB”. Press menu DATA > FACTORY > READ M2 SOFTWARE select button and then scroll down to FIRMWARE UPDATE VERSION. Check the following table to determine if your M2 and press the select button. “CHECKING FILE” will display board firmware version supports USB Flash Drive updating: first; then “UPDATING”, followed by “NN%”.

Page 2 It will take a few minutes to update the M2 board with the new files should be in the root folder of the thumb drive. If located firmware. After reaching 100%, M2 UPDATE COMPLETE anywhere else the Prodigy will not find the DB1 file. will display first; then it will check and update DB1 board. The M2 upgrade file has an SL1 file extension, and must be Upon completion, the boards will reset and restart. located in the \firmware\m2 folder of the thumb drive. If Manual update located anywhere else the Prodigy will not find the M2 file. DB1 FIRMWARE NOTE: The menus described in the The firmware on the Prodigy (M2) controller or on the display board (DB1) can be manually updated by inserting a USB following will only be available for v1.09.xx H and later stick which may contain more than one firmware version in versions of the DB1 firmware. the USB slot. After inserting the USB stick, navigate to SERVICE > SOFTWARE RECOVERY > UPDATE M2 SOFTWARE (or Files needed for update UPDATE DB1 SOFTWARE). Press the select button, then Files needed to upgrade Prodigy controller from USB stick: use the up/down arrows to select a firmware version. Press 1) For DB1: DBxxxxxx.BIN select; “CHECKING FILE” will display first; then “UPDATING”, followed by “NN%”. 2) For M2: M2xxxx.SL1 It will take a few minutes to update the board with the new The “xxx” here are place holders for version number firmware. After reaching 100%, M2 (or DB1) UPDATE information in the actual file names, and varies from one COMPLETE will display first; then it will reset and restart the version to the next. board. The DB1 upgrade file has a BIN file extension, and must be Repeat this procedure, if desired, for the other board. You located in the root folder of the thumb drive. No more than 10 may remove the USB anytime after the RESTART begins.

M2 unit controller board, expansion board locations, SmartWire connections Figure 1 shows the controller components and the locations for expansion boards.

CONTROL CONTROL BOARD BOARD

EXPANSION EXPANSION PORT PORT

B

A ENTH

USB CONNECTION To disconnect To disconnect (for Unit Controller TSTAT.COM from HMD.COM from software) COM cut jumper. COM cut jumper. BACnet or LonTalk SmartWire OR connections L CONNECTION (optional connec­ tion method for Unit Controller software) Figure 1. M2 unit controller board and expansion boards

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Page 3 M2 unit controller LED indicators Some indicators on the circuit board are visible with the cover in place; others are not. The indicators and their meanings are described in table 1. Table 1. LED operation indications LED Status Indication Meaning LED Status Indication Meaning Heartbeat GREEN SLOW FLASH NORMAL OPERATION LonTalk RX (GREEN) FLICKERING ON M2 IS RECEIVING (option) TX (YELLOW) FLICKERING ON M2 IS TRANSMITTING GREEN FAST FLASH CHECK 24V, UPDATE FIRM­ WARE, OR REPLACE BOARD SERVICE FLASHING 1 SEC. NODE IS NOT CONFIGURED; (RED) ON; 1 SEC. OFF APPLICATION LOADED UNLIT STEADY OFF NO VOLTAGE TO M2 BOARD OR DEFECTIVE BOARD SERVICE NODE IS COMPLETELY CON­ STEADY OFF (UNLIT) FIGURED GREEN STEADY ON DEFECTIVE BOARD (REPLACE) SERVICE NODE IS CONFIGURED; NO AP­ CONSTANT ON (RED) PLICATION LOADED OAS GREEN STEADY ON OUTSIDE AIR IS SUITABLE (Note: LED is QUICK FLASHES SERVICE MESSAGES BEING PASSED TO DURING not present in (RED) M2; NORMAL OPERATION IAQ MODE OR MECHANICAL INITIALIZATION the newer M2 GREEN FLASHING COOLING DURING FREE COOL­ ING hardware. Thermostat YELLOW INDICATES A G- BLOWER ON Input THERMOSTAT W1- 1ST STAGE HEAT LOCAL COMMUNICATION TO PC USB DEMAND W2- 2ND STAGE HEAT PC FLICKERING ON (YELLOW) CONNECTOR Y1- 1ST STAGE COOL Connection Y2- 2ND STAGE COOL OCP- OCCUPIED NETWORK FLICKERING ON NETWORK COMMUNICATION (GREEN) Thermostat LEDs indicate only with incoming thermostat connection vis S-BUS BUS (GREEN) FLICKERING ON NETWORK TRAFFIC PRESENT SmartWire connector.

TX (YELLOW) FLICKERING ON M2 IS TRANSMITTING Slow Flash = 1 sec on; 1 sec off. Fast Flash = 1 msec on; 1 msec off. BACnet RX (GREEN) FLICKERING ON M2 IS RECEIVING A “flickering” LED flashes significantly faster than a “fast flash“. (option) TX (YELLOW) FLICKERING ON M2 IS TRANSMITTING NOTE - LEDs are energized by 24 vac thermostat inputs.

Startup Connections between RTU & M2 unit controller for easy field wiring connection points. The M2 unit controller connects to the rooftop unit using 2-amp fuse or wire jumper SmartWire connectors. Each connector is “keyed” so that The 24VAC supply outputs, (R), on these connectors are no connector can be installed in the wrong location. Be sure routed through the 2-amp fuse, F1, on earlier boards or a all connectors are in place and completely inserted (see wire jumper on later boards. figure 1). Sensor Common Isolation TSTAT COM (earlier boards) OR TSTAT COM wire jumpers (later boards) Thermostat (TSTAT) and (HUM) sensor commons may be isolated if they are powered remotely. Slide switch to TSTAT COM is located to the left of P297. This switch would OPEN to isolate (see figure 1). be set to the LEFT or the wire jumpers would be cut only in unique situations where the device supplying the thermostat USB interface usage signals to the Prodigy® controller has its own power source The USB port is used for verifying service, downloading and does not share a common reference voltage with the reports, transferring unit profiles and performing firmware Prodigy controller. Otherwise the switch needs to be set to updates. Onsite data collection requires use of a USB flash the default, closed position, to the RIGHT and the wire drive. Data written to the drive includes date, time, serial jumper would remain intact, as shipped from the factory. number, catalog number, basic data, error code buffer, and unit configuration. HMD COM switch (earlier boards) OR HMD COM wire jumpers (later boards) PC interface HMD COM is located to the left of P299. This switch would The PC interface is used with unit controller software to be set to the RIGHT or the wire jumpers would be cut only in change programming. The M2 interface uses a USB A to B unique situations where the device supplying the thermostat male cable. You may also use a 9 pin/RS485 connection to signals to the Prodigy controller has its own power source the phone jack or S-BUS connector. A list of service and does not share a common reference voltage with the connection kits is on Page 27. Prodigy controller. Otherwise the switch needs to be set to SmartWire Field Wiring Connections the default, closed position, to the LEFT and the wire jumper The SmartWire connectors, P297, P298 and P299, allow would remain intact, as shipped from the factory.

Page 4 Startup (continued) User interface menu at the time, in priority order of top-to-bottom of the left column The user interface is accessed through the menu navigation in figure 2. For example, if an alarm is present, that will be arrows and the select button . The diagram in displayed until it has been silenced or cleared. figure 2 shows a high level overview of the main menu To access the other three columns, first press and then options along with the next level list of selections. The lower use to scroll between SERVICE, DATA, AND level options are described later in this manual. SETTINGS. Next, press to open the SERVICE (or DATA “Home” location, DISPLAY—When the unit is powered on, or SETTINGS) menu. Use until desired item is one of the features in the DISPLAY column will be shown (the displayed. word 'DISPLAY' is never shown). What is displayed in this To return to DISPLAY, use (if deep in the menu structure, “home” screen, is dependant on the priority message present hold it down; it will step back to display).

NOTE - Use the left button during normal operation to clear delays (hold 2 seconds) or reset the controller (5 seconds).

SERVICE

DATA

SETTINGS

Dashed line for automatic displayed messages

ALARM(S) UNIT RUNTIMES TEST

STATUS SETPOINTS HISTORY OFFLINE Use Use Use arrows arrows arrows to to to move move move MODE CONTROL SENSORS IN / OUTPUTS

CALLS OPTIONS NETWORK REPLACE

FACTORY SOFTWARE USB INSTALL RECOVERY

STATUS

Figure 2. M2 unit controller main interface menu

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Page 5 Menu Interface Table 2. Menu Interface (cont'd) Table 2 shows the major levels of the menu interface. Many Level 1 Level 2 Level 3 of these options have more levels and are described in the POWER ON following sections that detail DISPLAY, SERVICE, DATA, FILTER: XX HRS and SETTINGS. BELT: XX HRS UV LAMP: XX HRS Use rectangular button (ENTER) or to progress to BLOWER: XX HRS - XX CYC next menu level (i.e. Level 1 to Level 2). RUNTIMES COOLING HEATING Use to “back up” to the next higher menu level (i.e. Level : XX HRS - XX CYC 2 to Level 1). FANS Use to move (scroll) within a menu level; also use to EXHAUST change values of selected item. HUMIDITROL: XX HRS - XX CYC ALARMS Table 2. Menu Interface STATUS HISTORY LAST USB REPORT Level 1 Level 2 Level 3 READ INSTALL RPT NOTE - Features and options not currently available are greyed out in CLEAR HISTORY the manual and will show a message of “N/A” on the display TSTAT SMK:OFF/ON SENSORS BRPM:XX RH:XX% ALARM SILENCE (push ENTER button to silence) IE:XX MA (also ac­ OAT:XXºF OE:XX MA ALARMS SILENCE ALL (push ENTER button to silence all cessible RAT:XXºF GLO:OFF/ON (multiple) alarms; or push ► to view alarms and ▲▼ to thru In / scroll thru description list.) DATA DAT:XXºF DI2:OFF/ON Outputs) ZAT:XXºF COMP LOAD IDLE DI3:OFF/ON SHEDDING IDLE - OAS IAQ:XX PPM DI4:OFF/ON COOLING LOW AMBIENT LCONN ADDRESS COOLING W/FREE LOCKOUT NETWORK BACNET COOLING MORNING DAMPER MODU­ WARMUP MOVE USE ARROWS TO LonTalk LATING WHILE M2 FAILED TO READ M2 SOFTWARE VERSION RESPOND ON READ DB SOFTWARE VERSION M2 RESET MODE FREE COOLING READ FACTORY RPT OFF ON ALARM FACTORY (dis­ DEHUMIDIFICA­ CATALOG NO. play TION PRE-COOL MODEL NO. area) ONLY PRE INSTALL SERIAL NO. FAN ONLY - OAS RESTARTING.. OCCUPIED/UNOCCUPIED FRESH AIR COOL SMOKE SETPOINTS HH CC F FRESH AIR HEAT TEST APP MODE 255 255 HEATING PROCESSING COMM TYPE HVAC OFF (one blinking LED) STATUS COMM TIMER LonTalk NEURON ID #CURR ALRMS N: A1, A2, … AN XX:XX:XX:XX:XX:XX BLOWER WRITING USB DAMPER STATUS WRITING ALARM/STATUS LOG DAMPER POS USB USB COMPLETE UNIT NO. UPDATE FIRMWARE (For versions 1.09 xx H and later) UNIT DATE/TIME UNITS F/C GUIDED (N/A) BLOWER COOLING FANS HEATING COOL SET­ DAMPER HEAT REHEAT POINTS TEST DAMPER EXHAUST HUMIDITROL IAQ MGV ALARMS VAV LOCAL SENSORS THERMOSTAT OUTPUTS LCONN CONTROLLER BACnet LOCKOUT CONTROL LonTalk BLOWER ONLY (N/A) SET­ MSAV OFFLINE COOLING ONLY (N/A) TINGS REHEAT SER­ HEATING ONLY (N/A) SMOKE MODE VICE RESET GUIDED SETUP THERMOSTAT ECTO ZONING (N/A)

IN / OUT­ MOVE USE ARROWS TO OPTIONS N/A USE ARROWS TO MOVE USE ARROWS TO SENSORS PUTS RELAYS NEW M2 NETWORK DAMPER FILTER LANGUAGE (ENGL/SPAN/FREN) BELT FLOAT SW UV LAMP BLOWER PROVING SW REPLACE FANS INSTALL DIRTY FILTER SW BLOWER BLOWER OVERLOAD SW PHASE MONITOR COMPRESSOR UV LAMP SOFT­ UPDATE M2 SOFTWARE ELECTRIC HEAT STAGES UPDATE DB1 SOFTWARE WARE RE­ (FOR DB VERSIONS 1.09H AND UPDATE DISPLAY SOFTWARE COVERY LATER ONLY)

Page 6 DISPLAY Interface DISPLAY The display shows operating mode if in normal operation. Unit Operation Alarm, status, calls and plugging in the USB will interrupt the This section describes the display and control buttons, how display. Alarm messages will stay displayed until corrected or to configure the unit, and how to read stored configuration silenced using the local menu. data, status, and alarms. ALARM Example – MODE message “COOLING” is displaying when a smoke alarm occurs; then “ALARM (XX) The M2 unit controller is an input and output junction point. SMOKE A173” displays until cleared. You must clear all If in the thermostat mode, thermostat inputs at P297 result alarms and status to see normal MODE message. Strike 3 in an output to unit components (see table 9 on Page 41). If alarms will say “ALARM(XX) STRIKE 3 COMP1 HIGH the heartbeat LED is not flashing, see table 1 (Page 4) for PRESS S4” after the alarm message. heartbeat operation. If the display shows an alarm, refer to table 8 (Page 31) for more information. If the thermostat USB – normal MODE message is displayed when USB is input indicating lights are not responding appropriately, plugged in. check the thermostat or a DDC control acting as Normal Mode Messages thermostat inputs into P297. The format of the message is mode and setpoint (see table 3). Basic cooling and heating functions may be energized to test major unit components by using the M2 unit controller testing Table 3. Possible MODE messages function or by using jumper wires on the Field Wiring COMP LOAD Unit is running at lower power capacity Termination plug P297. SHEDDING COOLING Cool demand present; unit is cooling To access the other three columns, first press and then use to scroll between SERVICE, DATA, AND COOLING W/FREE Compressor cooling and outdoor damper is COOLING open to maximum. SETTINGS. Next, press to open the SERVICE (or DATA or SETTINGS) menu. Use until desired item is DAMPER Compressor is on during free-cooling, and MODULATING WHILE displayed. COMPRESSOR ON damper is modulating. Alarms FREE COOLING No compressor cooling Figure 3 shows how alarms may be viewed and silenced. DEHUMIDIFICATION Unit is dehumidifying FAN ONLY Fan only Fan only, outdoor air is suitable for free FAN ONLY - OAS cooling DISPLAY LEFT SCROLLING FRESH AIR COOL Cool ventilation air to neutral value WINDOW MESSAGE FRESH AIR HEAT Heat ventilation air to neutral value ALARM(xx) SMOKE DETECTED. HEATING Heat demand present; unit is heating (To SILENCE an alarm, HVAC OFF No heat, cool, ventilation allowed press ENTER) IDLE Demand satisfied; blower off Same as IDLE, plus outdoor air is suitable IDLE - OAS for free-cooling LOW AMBIENT Outdoor air is too cold to allow fans to run ALARMSxx,xx,... (To view descriptions of in­ LOCKOUT dividual alarms, press )

MORNING WARMUP Outdoor air damper closed (To SILENCE ALL alarms, M2 FAILED TO press ENTER) Display is missing messages from M2 RESPOND M2 RESET M2 controller is resetting (scroll through descriptions of individual alarms) OFF ON ALARM Unit is off due to presence of alarm Compressor not allowed—free cooling. (During the first 30 minutes of the first cool­ Figure 3. Alarm Code Readout Examples ing demand following a change from unoc­ PRE-COOL cupied to occupied, calls for mechanical The most recent 84 alarms will be stored with date/time [compressor] cooling are ignored if an economizer is installed and if outdoor air is stamp. When more than 84 alarms are encountered the suitable for free cooling.) oldest are over-written. PREINSTALL Must follow installation menus Selected alarms (marked with * in table 8) result in the RESTARTING.. Only displayed at power-up closure of the service relay contacts (DO1). The contacts SMOKE Smoke input detected remain closed until the Prodigy resets, or the alarm history is TEST Network has unit in test mode cleared by the user. Display is busy processing data from M2 PROCESSING This is the default operation of the service relay. Other modes controller of operation may be selected and are described in the (one blinking LED) This indicates bootloader mode Prodigy Application Guide (Advanced Features).

Page 7

Page 7 DISPLAY Interface DISPLAY (Continued) USB Menu Multiple units may use the same USB drive. The filename of When the Lennox USB drive is plugged in during normal the service reports will be based on the unit's serial number; MODE, a menu will be displayed providing options to save for example 5608J5875.txt. The filename of the unit profiles and load unit profiles as well as capturing unit data for service will be based on the unit's catalog number; for example verification. AA1AA.dat.

NOTE: THIS MENU BECOMES VISIBLE WHEN A USB FLASH DRIVE IS INSERTED INTO THE DB1. USB

WRITING USB REPORT... USB COMPLETE

REPORT SERVICE REPORT...

SMARTAIRFLOW STARTING BLOWER REPORT

% XX THE SUB-NODES WILL PROGRESS IN % BE VISIBLE ONLY WHEN SMARTAIRFLOW™ IS INSTALLED. WRITING REPORT

USB COMPLETE

YES IS YES UPLOADING PROFILE... UPLOAD COMPLETE M2 RESET DAT FILE PROFILES PRESENT ON UPLOAD PROFILE c:\.dat? DRIVE? NO NO

YES SAVING PROFILE... DOWNLOAD COMPLETE SAVE PROFILE c:\.dat? NO

NEWER IS FIRMWARE CHECKING FILE M2 SOFTWARE YES FILE YES UPDATE CHECKING FILE... ON FLASH UPDATING M2... INTEGRITY... OK M2 UPDATED DRIVE? ?

NO WHILE M2 OR DB1 ARE NO UPDATING, DISPLAY M2 UPDATE INDICATES PERCENT BAD CRC NOT FOUND COMPLETE (NN%)

NEWER IS CHECKING FILE DB1 DB1 DB1 SOFTWARE YES UPDATING DB1... FILE YES ON FLASH INTEGRITY... OK UPDATED RESETS DRIVE? ?

NO NO DB1 UPDATE NOT FOUND BAD CRC

Page 8 GUIDED SETUP Menu Interface GUIDED SETUP Upon initial unit start-up, the M2 Unit Controller's menu This guided setup is available at any time should you wish to interface defaults to a GUIDED SETUP. This setup is go back through and re-configure the system's setup described on this and the following page. parameters.

SETTINGS

CONTROL

GUIDED SETUP

SET DATE/TIME MTH:XX DAY:XX YR:20XX HR:XX MIN:XX ! SET ! 09:45:01

SET UNIT NO. XXX ! SET !

EXIT SETUP M2 WILL NOW RESET Use arrows to ENTER move ADVANCED GUIDED SETUP

SET THERMO­ STAT CON­ TROL OCP OCP MODE LOCAL RETURN NO XX.XºF UNOCP XX.XºF XX.XºF UNOCP XX.XºF AIR HEAT HEAT COOL COOL BACKUP? YES BU STPT BU STPT BU STPT BU STPT

LCONN ADDR:XX ! SET !

Use CONTROL MONITOR ONLY MAC AD:XXX BAUD XX.XK arrows BACNET MODE to AD­ RATE ZONE move DRESS REMOTE

LONTALK NO ZONE W/LonTalk BACKUP ZONE OCP UNOCP OCP UNOCP MODE XX.XºF XX.XºF XX.XºF XX.XºF HEAT HEAT COOL COOL TSTAT BU BU STPT BU STPT BU STPT STPT RAT

START UP OVERRIDE BLOWER ALWAYS ON NETWORK NONE DELAY XX TIMER X ON SENSOR OCP CYCLES

USED W/ITH NO NO NO LCONN, CO2 RH TEMP LonTalk (N/A YES YES YES W/BACNET)

(Control Mode is set; continue with SETUP EQUIPMENT) CONTROL MODE SET

Use arrows SETUP EQUIPMENT SETUP EQUIPMENT DESCRIBED ON NEXT PAGE to move SAVE PROFILE TO NO USB STICK YES INSERT USB STICK AND PRESS ■ ! SETUP IS COMPLETE! PRESS ■ TO EXIT M2 WILL NOW RESET

EXIT ADVANCED SETUP

Page 9

Page 9 GUIDED SETUP Menu Interface GUIDED SETUP (Continued)

(SYSTEM CHECKS UNIT CONFIGURATION AND PROMPTS THE USER FOR ONLY THE INSTALLED OPTION[S].) MSAV HIGH SPEED XXX% MSAV LOW SPEED XXX%

Y CHANGE NO SETUP MSAV MSAV EQUIP­ SETTINGS? YES See Page 19 for complete MSAV details ! SET ! MENT N Y CHANGE NO HUM HUMIDITROL SET HUMIDITROL SETTINGS? YES CONTROL OCC/BLOWER CONDITION NO CONDITIONS “HUM” ONLY N APPEARS IF UNIT IS CONFIGURED FROM FACTORY SELECT SENSOR TYPE NO SENSOR USE DI4 WITH HUMIDITROL, OR HUMIDITY IF A NEW M2 LOCAL SENSOR SETPOINT BOARD HAS BEEN NETWORK SENSOR XX%RH DEADBAND XX% ! SET ! CONFIGURED TO SUPPORT HUMIDITROL. Y CHANGE OA NO DAMP DAMPER YES SET SETTINGS? DAMPER MANUAL ! SET ! N TYPE MOAD

ECON SET INPUT sw1 SW1 MUST BE CON­ GLOBAL =glo N SET TO GLO TROL ? Y

TEMP sw1 SW1 MUST BE =temp N SET TO TEMP ? Y

ENTH sw1 SW1 MUST BE =ode N SET TO ODE ? Y

SELECT OFFSET XXºF SUPPLY XX.XºF TEMP AIR STPT OAT STPT XXºF STPT

XX% MIN DMP XX% MIN DMP XX% SET EXHAUST YES BLWR BLWR YES FAN SETPT ! SET ! 3, LOW HIGH 4, or 5 Power Exhaust ton unit detected Detected ? XX% ? NO NO MIN DMP POSITION CHANGE Y DEMAND VENT NO DVC CONTROL SETTINGS? YES CHECK CO2 DAMPER XXX PPM DAMPER XXX PPM N SENSOR START FULL ! SET ! THEN PRESS OPEN STPT OPEN STPT

THIS COMPLETES SYSTEM SETUP -- EQUIPMENT SETUP COMPLETE see previous page for save options

Page 10 SERVICE Menu Interface SERVICE From the DISPLAY mode, press and then use to SERVICE > IN / OUTPUTS scroll to SERVICE. Next, press to enter the SERVICE In the SERVICE menu, use until IN / OUTPUTS is menu. Use until desired item is displayed. displayed. Press to enter the IN / OUTPUTS menu.

SERVICE TEST IN/OUT­ THERMOSTAT OFFLINE PUTS ZONING Use IN/OUTPUTS arrows to ON/OFF INPUT move REPLACE SENSORS TSTAT FROM G, W1, W2, Y1, Y2, OCP BLOWER SOFTWARE BL SPEED RPM RECOVERY SPEED DAMPER POS (OPEN/CLOSED) Using SERVICE, you may run tests that check a functional OAT:XXF operation (e.g. HEATING) or you may run tests that single RAT:XXF (SENSED out a system component for checking. The diagram that DAT”XXF TEMPERATURES) Use Use ZAT:XXF follow in this section show how to navigate through the arrows arrows to to system to access service and test functions. move move IAQ (PPM) XXX

When the list of tests appears, use the up/down arrows until SMK:XXX ON/OFF the test you want to run appears. Then press the SELECT RH:XX% REL. HUM. OE:XXMA (OUTDR. ENTH) BUTTON to begin running the test. IE:XMA (INDR ENTH) GLO:XXX ON OR OFF SERVICE > TEST DI2:XXX ON/OFF DI3:XXX ON/OFF In the SERVICE menu, use until TEST is displayed. DI4:XXX ON/OFF Press to enter the TEST menu. RELAYS COMP C1-C4 ON/OFF

SVC RL RLY ON/OFF TEST GUIDED HUMIDITROL RV1-RV2 ON/OFF BLOWER Use arrows FANS to EXHAUST EX1-EX2 ON/OFF move COOL BLOWER BL ON/OFF

Use HEAT FAN F1 - F6 ON/OFF arrows See table 4 to NETWORK move DAMPER (Page 12]) for details of TEST menu. REHEAT

SENSORS SERVICE > REPLACE

OUTPUTS In the SERVICE menu, use REPLACE to reset the runtime counters for the listed device when a new hardware CONTROLLER component has been installed in the system. Use until REPLACE is displayed. Press to enter the Using the TEST menu, the service technician may run a REPLACE menu. Select one of the listed options and press sequence of tests to gather information available while that ;this will reset the runtime for the new part to zero. component is turned on. The unit will return to normal mode when leaving the TEST menu. See table 4 for details. Any Status/Alarm codes found during testing will be logged to the event history. Upon exit from TEST mode, the unit will return to normal operation if no key is pushed for 1 hour. REPLACE FILTER TO RESET BE;T XXXXX SERVICE > OFFLINE RUNTIME COUNTER In the SERVICE menu, use until OFFLINE is displayed. UV LAMP RESET Use PRESS Press to enter the OFFLINE menu. arrows to FANS WHERE move XXXXX IS THE LOCKOUT UNIT LOCKED OUT OFFLINE BLOWER SELECTED ITEM BLOWER ONLY COMPRESSOR

Use COOLING ONLY arrows to HEATING ONLY SERVICE > SOFTWARE RECOVERY move

RESET M2 RESET In the SERVICE menu, use SOFTWARE RECOVERY to update firmware (see USB Firmware update Page 2).

Page 11

Page 11 SERVICE Menu Interface SERVICE (Continued) SERVICE > TEST (Continued) Table 4. TEST NOTE: Unit configuration determines TEST GUIDED which menu items are displayed

Run blower on BLOWER BLOWER HI BL OFF/ON maximum speed Run blower on BLOWER LOW BL OFF/ON minimum speed Display status of the switch PROVING SWITCH PSW CLO Use with blower low speed. arrows Display status of the switch to FILTER SWITCH FSW OPE move with blower low speed Shows RPM for blower RPM XX RPM and allows adjustment Will be displayed only if ACTUAL SUPPLY XXXX CFM CFM SmartAirflow™ option is in­ stalled. Will allow adjustment of SPEED XX % blower torque in %.

FANS FAN1 FN1 OFF/ON Allow turning on FAN1 individually

FANn FNn OFF/ON Allow turning on FANn individually (see note 1) Monitors return air temp. of all stages. COOL COOL-FULL RAT XXF Dampers close for compressor tests. Use Monitors discharge air temp. Blower, dampers, DAT XXF arrows Use fans actuate automatically during tests. to arrows COOLn Monitors return air temp. Stage 1 thru 4 compr low- RAT XXF move to (see note 2) speed test. Dampers are closed for compressor tests. move Monitors discharge air temperature. Blower, damp­ DAT XXF ers, fans are actuated automatically during tests. Monitors return air temperature of all stages. Dampers HEAT HEAT-FULL RAT XXF automatically close and blower comes on for heat test. Monitors discharge air temperature of all stages. Dampers DAT XXF Use automatically close and blower comes on for heat test. arrows HEATn Monitors discharge air temperature. Stage 1 thru 4 heat test; RAT XXF to (see note 2) dampers automatically close and blower comes on for heat test. move Monitors discharge air temperature. Stage 1 thru 4 heat test; DAT XXF dampers automatically close and blower comes on for heat test. Damper allows testing economizer, motorized damper, and powered exhaust. DAMPER POSITION XXX% OPEN DP XXX% Position allows monitoring damper position and control using arrow keys.

IEN:XX MA Monitors indoor sensor. Use arrows OEN:XX MA Monitors outdoor enthalpy sensor. to Turns on/off stage 1 move EXHAUST EXHAUST1 SET OFF/ON EX1OFF/ON fan individually. Turns on/off stage 2 EXHAUST2 SET OFF/ON EX2 OFF/ON fan individually. HUMIDI­ Turns on stage 1 re­ HUM Y1 HUM Y1 OK TROL heat; displays report. TSTAT Turns on stage 2 re­ BLOWER SPEED HUM Y2 HUM Y2 OK heat; displays report. DAMPER POS OAT:XX ºF (If installed) Measures and MGV XXX reports voltage (0-10V) RAT:XX ºF DAT:XX ºF (If installed) Measures and VAV A01 / A02 ZAT:XX ºF reports voltage (0-10V) IAQ (PPM) SENSORS Use sensor tests to choose each sensor and read the current sensed value. SMK:OFF/ON RH:XX% OUTPUTS SERVICE RELAY RLY OFF/ON Output test of service relay. IE:XX MA OE:XX MA DO2 DO2 OFF/OON Output test of DO2. GLO:OFF/ON D12:OFF/ON DO3 DO3 OFF/ON Output test of DO3. DI3:OFF/ON DI4:OFF/ON CONTROL­ M2 OK” if no errors. Checks memory M2 TEST LER and installation of controller options. “TEST OK” if no errors. Checks DISPLAY TEST and screen. “SETUP OK” if no errors. Checks proper installa­ SETUP tion of controller boards, switches, and settings

NOTE 1. The number of fans, 1 min, 6 max, and their respective control output depends on the unit configuration. Only the fans present in unit are NOTE 2. The number of stages, 1 min, 4 max, depends on unit con­ displayed. Refer to unit schematics for additional information. figuration. Only stages present in unit are displayed.

Page 12 DATA Menu Interface DATA From the DISPLAY mode, press and then use to DATA > HISTORY scroll to DATA. Next, press to enter the DATA menu. Use In the DATA menu, use until HISTORY is displayed. until desired item is displayed. Press to enter the HISTORY menu. Use DATA to view information stored in the M2 Unit Read the accumulated historical data of alarms, status, and Controller. USB reports logged by the M2 unit controller.

Use the up/down arrows to scroll through a list of ALARM events. DATA RUNTIMES HISTORY ALARMS (###) ALARM HISTORY STATUS SENSORS Use Use arrows arrows LAST USB REPORT to NETWORK to move move READ INSTALL FACTORY !CLEAR” flashes 3 CLEAR !CLEAR! STATUS HISTORY times; then alarms are cleared.

DATA > SENSORS DATA > RUNTIMES In the DATA menu, use until SENSORS is displayed. In the DATA menu, use until RUNTIMES is displayed. Press to enter the SENSORS menu. Press to enter the RUNTIMES menu. View the current sensed value for various systems being sent View accumulated runtime hours logged against various to the M2 unit controller. components and systems by the M2 unit controller. SENSORS TSTAT G:ON/OFF W1:ON/OFF BLOWER SPEED XXXX W2:ON/OFF Y1:ON/OFF

OAT:XXºF Use arrows Y2:ON/OFF OCP:ON/OFF RAT:XXºF

POWER ON INST: X HRS RUNTIMES DAT:XXºF As each sensor is listed, its Use reading is automatically dis­ FILTER: XX HRS arrows ZAT:XXºF played. Press select but­ to ton where shown; move BELT: XX HRS otherwise, accu­ IAQ (PPM) XXX mulated runtimes UV LAMP: XX HRS will display (if con­ figured with listed SMK: OFF/ON Use option) while arrows BLOWER: XX HRS scrolling down. RH: XX% to move COOLING COOL#: X HRS IE: XX MA

HEATING HEAT#: X HRS OE: XX MA

FREE COOLING: XX HRS - XX CYC GLO: OFF/ON

FANS FAN#: X HRS DI2: OFF/ON

EXHAUST STAGE#: X HRS X CYC DI3 OFF/ON

REHEAT: XX HRS - XX CYC DI4: OFF/ON

Page 13

Page 13 DATA Menu Interface DATA (Continued)

DATA > NETWORK Use the up/down arrows to scroll through the read­ In the DATA menu, use until NETWORK is displayed. able entries. Use the se­ Press to enter the NETWORK menu. Read the lect button to view data. NETWORK addresses stored in the M2 unit controller. STATUS

OCC/UNOCC [OCC/UNOCC]

STPTS HH CC F HH:XX CC:XX

APP MODE 255 255 Use NETWORK LCONN ADDRESS XX arrows COMM TYPE LCONN, BACNET, to LonTalk LEGACY, move LonTalk, NONE BACNET MAC ADDR XX

COMM TIMER NO TRAFFIC, Use BAUD RATE XX.XK arrows <1. <2, <3,<4, <5, to 5+ MIN move DEVICE INSTANCE XX #CURRENT ALRMS: # CURR ALRMS: N: LONTALK PROGRAM ID XX A1, A2, ...AN A1, A2, .. A7 WHERE N = 0 - 7, 7+ NEURON ID XX BLOWER XX% DATA > FACTORY SMOKE: XX % In the DATA menu, use until FACTORY is displayed. Press to enter the NETWORK menu. Read the FACTORY information stored in the M2 unit controller. Use NO arrows SmartAirflow™ INSTALLED? Use the up/down arrows to to scroll through the read­ move YES able entries. Use the se­ lect button to view soft­ ware versions. ACTUAL SUPPLY CFM XXX cfm

TARGET SUPPLY CFM XXX cfm FACTORY READ M2 SOFTWARE VERSION M2 VX.XX.XX

DAMPER READ DB SOFTWARE VERSION DB1 VX.XX.XX

READ FACTORY REPORT Use DAMPER TARGET XX% arrows to CATALOG NO. (catalog number) move DAMPER ACTUAL NOT INSTALLED, MODEL NO. (model number) CLOSED CLOSED OAS DVC XX SEE SERIAL NO. (serial number) FEEE COOL XX NOTE BELOW NO SmartAirflow™ MIN POS OAS XX MINPOS XX DATA > STATUS INSTALLED? In the DATA menu, use until STATUS is displayed. YES Press to enter the STATUS menu. Read the STATUS information stored in the M2 unit ACTUAL OA CFM XXX cfm controller. TARGET OA CFM XXX cfm

ECON DIFF IN. H20 (0-2) PRESSURE

NOTE: Display will indicate OAS when outdoor air could be used for free cooling. For older hardware OAS LED will be an additional indication. No OAS indication (display or LED) is available during demand control ventilation (DVC) operation, although free cool­ ing can still occur. xx is the damper position percent open feed­ back signal.

Page 14 SETTINGS Menu Interface SETTINGS- From the DISPLAY mode, press and then use to SETTINGS > SETPOINTS > COOLING scroll to SETTINGS. Next, press to enter the SETTINGS HEATING menu. Use until desired item is displayed. REHEAT Use SETTINGS to make changes to the Unit Controller after EXHAUST initial installation. IAQ Many of the setting changes are the same as install. (Also see SETTINGS > SETPOINTS > DAMPER) Changes are limited by the unit's build information. If you In the SETTINGS menu, use until SETPOINTS is install new options, you can make changes to equipment displayed. Press to enter the SETPOINTS menu. settings beyond the factory values. View and change the current system setpoints setup in the Load shed to include power percentage and hard wire. M2 unit controller as shown in the following diagrams for COOLING, HEATING, REHEAT, EXHAUST and IAQ. SETTINGS UNIT

SETPOINTS SETPOINTS Use COOLING OCP COOL BU STPT XX.XºF arrows CONTROL to UNOCP COOL BU STPT XX.XºF move OPTIONS Use FREE COOLING STPT XX.XºF INSTALL arrows to SETTINGS > UNIT move COMP TIME OFF DELAY In the SETTINGS menu, use until UNIT is displayed. COOLING OPTION Press to enter the UNIT menu. View and change the current settings. HEATING OCP HEAT BU STPT XX.XºF UNIT UNOCP HEAT BU STPT XX.XºF (SEPARATE DIA­ DAMPERGRAM FOLLOWS) ! SET ! UNIT NO. XXX !SET ! REHEAT XX%RH [0-99%] REHEAT REHEAT STPT WILL NOT OR DEHUMIDI- BE VISIBLE STAT CONTROL DATE/TIME UNLESS IT Use WAS REHEAT DEADBAND 3% arrows TIME 15:45:00 DISPLAY TIME INSTALLED to USE ARROWS AT THE TO ADJUST FACTORY. EXHAUST SMOKE POS 50% move DATE 01.01.00 DISPLAY DATE DATE AND TIME EXHAUST FAN STPT 50% SET CLK MTH: 03 DAY:18 YR: 2011 IAQ/DCV DAMPER START OPEN STPT 700PPM

HR: 13 MIN: 33 ! SET ! DAMPER FULL OPEN STPT 1200PPM 13:33:07

UNITS F/C SmartAirflow™ YES INSTALLED? MAX OA CFM XXX CFM DEGREES FAHRENHEIT CURRENT TEMPERATURE MAX DAMPER FORMAT NO POS XX% OPEN DEGREES CELSIUS

SET TEMPERATURE DISPLAY FORMAT

DEGREES FAHRENHEIT ! SET !

DEGREES CELSIUS ! SET !

Page 15

Page 15 SETTINGS > SETPOINTS > DAMPER Use SETTINGS > SETPOINTS > DAMPER as shown in the following diagrams; default settings will be used. You may adjust those settings to suit the building's requirements. NOTE - Early hardware used pots and DIP switches; newer hardware does not. Early hardware Newer hardware NOTE: FOR SETPOINTS DETAILS, SEE SETPOINTS NOTE: FOR ECONOMIZER SECTION Page 24 DETAILS, SEE DAMPER ECONOMIZER DAMPER SECTION Page 24 ECONOMIZER OFF­ TEMP CON­ XXºF ! SET ! MODE TROL SET ECONOMIZER SET DIP SW1 TO TMP, SEE TEMP OAT MODE PRESS WHEN FIGURE 4 XXºF ! SET ! READY TO CONTINUE (PAGE 26) STPT

ENTH CON­ DIFF XX.X ! SET ! OFF- Use Use CONTROL XXºF ! SET ! TROL OFFSET MA SET arrows arrows Use Use to to ODE XX.X arrows arrows ! SET ! OAT XXºF ! SET ! move move STPT MA to to STPT move move GLOBAL ! SET ! SET DIP SW1 TO ODE, ENTH PRESS WHEN SEE READY TO CONTINUE SUPPLY AIR STPT XX.XºF [44.9 TO 65.3ºF] ! SET ! FIGURE 4 (PAGE 26) SET DIP SW1 TO GLO, MIN OCP BLOWER LOW XXX% [0 TO 100%} ! SET ! GLOBAL PRESS WHEN READY TO CONTINUE MIN OCP BLOWER HIGH XXX% [0 TO 100%] ! SET ! SUPPLY AIR STPT XX.XºF [44.9 TO 65.3ºF] ! SET ! FAH XX.X% [40.2 TO 70ºF] OR ! SET ! MIN OCP BLOWER LOW XXX% [0 TO 100%} ! SET ! DISABLED

MIN OCP BLOWER HIGH XXX% [0 TO 100%] OR ! SET ! FAC XX.X% [59.9 TO 90.4ºF] OR ! SET ! POTENTIOMETER CONTROL DISABLED

FAH XX.X% [40.2 TO 70ºF] OR ! SET ! ALARMS DISABLED NOTE: ALARMS NODE WILL NOT BE VISIBLE NO ENABLE UNTIL SMARTAIRFLOW™ OPTION IS IN­ FAC XX.X% [59.9 TO 90.4ºF] OR ! SET ! STALLED. DISABLED ALARM YES

LOW SUPPLY XX% [10 AIRFLOW TO 100 ! SET ! ALARM CFM]

LOW OUTDOOR XX.X% [10 AIRFLOW TO 100 ! SET ! ALARM CFM]

HIGH OUTDOOR XX.X% AIRFLOW [10 TO ! SET ! ALARM 100 CFM]

XX MIN ALARM [20 TO ! SET ! TRIGGER 60 MIN] PERIOD

Page 16 SETTINGS Menu Interface SETTINGS (Continued) SETTINGS > CONTROL SETTINGS > CONTROL > LOCAL In the SETTINGS menu, use until CONTROL is (Used in absence of thermostat or network control) displayed. Press to enter the CONTROL menu access/change system setpoints. Select SETTINGS > CONTROL > LOCAL as shown in the following diagram; default settings will be used. You may CONTROL LOCAL adjust those settings to suit the building's requirements.

THERMOSTAT

L CONN LOCAL RETURN AIR BACKUP YES/NO BACNET CONTROL

Use LONTALK arrows OCP HEAT BU STPT XX.XºF to move MSAV Use UNOCP HEAT BU STPT XX.XºF REHEAT arrows to SMOKE MODE move OCP COOL BU STPT XX.XºF GUIDED SETUP

ECTO UNOCP COOL BU STPT XX.XºF

SETTINGS > CONTROL > THERMOSTAT SETUP Hook up to SmartWire thermostat connections. Select THERMOSTAT YES SETTINGS > CONTROL > THERMOSTAT and select YES THERMOSTAT as shown in the following diagram. CONTROL CONTROL? NO

SETTINGS > CONTROL (DDC Integration or L CONN [L Connection]) Select SETTINGS > CONTROL > L CONN as shown in the following diagram; default settings will be used. You may adjust those settings to suit the building's requirements.

CONTROL LCONN ADDR:XX CONTROL MODE MONITOR ONLY

Use REMOTE arrows to move ZONE

BACKUP ZONE OCP OCP MODE XX.XºF UNOCP XX.XºF XX.XºF UNOCP XX.XºF HEAT HEAT COOL COOL TSTAT BU BU STPT BU STPT BU STPT STPT Use RAT arrows BLOWER NET­ to START UP XX OVERRIDE X ALWAYS ON move NONE DELAY TIMER ON WORK OCP CYCLES SENSOR

NO NO NO CO2 RH TEMP YES YES YES

Page 17

Page 17 SETTINGS Menu Interface SETTINGS (Continued)

SETTINGS > CONTROL > BACnet Select SETTINGS > CONTROL > BACnet as shown in the following diagram; default settings will be used. You may adjust those settings to suit the building's requirements. The following diagram shows the BACnet menu's structure and how to make changes.

MAC AD:XXX BAUD XX.XK CONTROL MONITOR ONLY BACNET CONTROL AD­ RATE MODE DRESS REMOTE

ZONE

BACKUP ZONE OCP MODE XX.XºF UNOCP XX.XºF OCP XX.XºF UNOCP XX.XºF HEAT HEAT COOL COOL TSTAT BU BU STPT BU STPT BU STPT STPT Use RAT arrows BLOWER NET­ to START UP XX OVERRIDE X ALWAYS ON NO ON WORK TEMP move NONE DELAY TIMER YES OCP CYCLES SENSOR

SETTINGS > CONTROL > LonTalk Select SETTINGS > CONTROL > LonTalk as shown in the following diagram; default settings will be used. You may adjust those settings to suit the building's requirements. The following diagram shows the LonTalk menu's structure and how to make changes.

LONTALK CONTROL MONITOR CONTROL MODE ONLY OCP OCP UNOCP ZONE BACKUP TSTAT XX.XºF UNOCP XX.XºF XX.XºF XX.XºF MODE HEAT HEAT COOL COOL RAT BU BU STPT BU STPT BU STPT STPT

START UP XX OVERRIDE X BLOWER ALWAYS ON NET­ NONE DELAY TIMER ON WORK OCP CYCLES SENSOR

NO NO NO CO2 RH TEMP YES YES YES

SETTINGS > CONTROL > REHEAT When you select REHEAT, default settings will be in place. CONTROL You may adjust those settings to suit the building's ! SET ! requirements. The following diagram shows the REHEAT REHEAT SENSOR TYPE NONE menu's structure and illustrates how to use the controls to DEHUMIDISTAT make changes. NETWORK SENSOR

LOCAL SENSOR Use arrows to move

REHEAT STPTXX% [0 - 99%OR ! SET ! DEHUMIDISTAT]

REHEAT DEADBAND XX% [1 - 10%] ! SET !

Page 18 SETTINGS Menu Interface SETTINGS (Continued) SETTINGS > CONTROL > MSAV Select SETTINGS > CONTROL > MSAV as shown in the (Multi‐stage air volume) following diagram; default settings will be in place. You may adjust those settings to suit the building's requirements. The following diagram shows the MSAV menu's structure and illustrates how to use the controls to make changes.

SETTINGS

CONTROL

SmartAir­ XX% NO MSAV ! SET ! MSAV BLOWER Flow™ or HIGH SPEED [20 to 100%] non-A Box­ XX% installed? MSAV ! SET ! LOW SPEED [20 to 100%]

YES

HEAT CFM NOTE - “N” IS THE NUMBER OF IN THE UNIT NO NO (N=4) COOLING N=2? N=3? HIGH CFM COOL MED YES YES LOW CFM

COOLING COOL COOL MED LOW CFM MED CFM HIGH CFM

VENT CFM

NOTE - SAVE SETTING WITHOUT RECALIBRATING NO YES SmartAirFlow™ SAVE SETTINGS YES / ! SET ! Installed NO NO NO YES

START BLOWER YES / CALIBRATION / VALIDATING NO TO CALIBRATE? 1.. STARTING BLOWER YES 2.. BLOWER ON 3.. CLOSING DAMPER 4.. CALIBRARING SETTINGS 5.. Display CALIBRATING SETTINGS for 5 seconds 6.. CALIBRATION PROGRESS IN xx % 7.. CALIBRATION COMPLETE NOTE: M2 WILL RESET AFTER THE CLIBRATION PROCESS.

Page 19

Page 19 SETTINGS > CONTROL > MSAV > DAMPER Select SETTINGS > CONTROL > MSAV > DAMPER as (Multi‐stage air volume) shown in the following diagram; default settings will be in place. You may adjust those settings to suit the building's requirements. The following diagram shows the MSAV menu's structure and illustrates how to use the controls to make changes.

SETTINGS

CONTROL

MSAV BLOWER

YES DAMPER SET XXX CFM SmartAirFlow™ OUTDOOR OUTDOOR ! SET ! Installed? AIRFLOW AIRLFOW CFM

NO

YES XX% MSAV LOW SPEED ! SET ! UNIT [0 to 100%] NO ? HIGH SPEED XX% [0 to 100%] ! SET !

SAVE NO WRITE_MSAV SETTINGS? YES _SETTINGS

VFD NO bypass configured ?

YES ENGAGE VFD BYPASS DISENGAGE

YES SAVE SETTINGS YES / NO

NO LOW SPEED -0 - 100%

HIGH SPEED -0 - 100%

SETTINGS > CONTROL > SMOKE MODE ! SET ! When you select SMOKE MODE, default settings will be in place. You may adjust those settings to suit the building's CONTROL SMOKE MODE UNIT OFF requirements. The following diagram shows the SMOKE BLWR OFF, EXH ON, DAMPER SHUT MODE menu's structure and illustrates how to use the Use controls to make changes. arrows PURGE-BLWR ON, EXH to ON, DAMPER OPEN move NEGATIVE-BLWR ON, EXH ON, DAMPER SHUT

POSITIVE-BLWR ON, EXH OFF, DAMPER OPEN

Page 20 SETTINGS Menu Interface SETTINGS (Continued) SETTINGS > CONTROL > ECTO versions that do not end in "H". If the display does not have a When you select ECTO, default settings will be in place. You HOST boot-loader (indicated by the H), then a Windows PC may adjust those settings to suit the building's requirements. and USB cable (A­to­A, or with B­to­A adapter) are needed to The following diagram shows the ECTO menu's structure perform firmware upgrade on DB1. and illustrates how to use the controls to make changes. NOTE - The M2 should be reset in order for changes to be updated within the controller.

CONTROL ! SET ! Use INSTALL > FLOAT SWITCH to set up a condensate pan

BLOCK/ overflow switch. Use INSTALL > UPDATE DISPLAY ECTO B#: X P#:XX CNT:XXX PARAM/ [0, 2 TO10] [1 TO 27] [0 TO 255] SOFTWARE to install new display software. COUNT

RESET TO ARE YOU YES M2 RESET INSTALL NEW M2 (SEE PREVIOUS DIAGRAM) FACTORY SURE? ECTO NO NOT INSTALLED DAMPER ECON THE BLOCK, PARAMETER, AND COUNT RANGES SHOWN HERE MOAD ! SET ! ARE LIMITS AND WILL BE RESTRICTED IN SOME CASES. ENGLISH LANGUAGE FRENCH EXAMPLE: When told to set ECTO 6.27=1 navigate to SPANISH ! SET ! Use SETTINGS > CONTROL > ECTO > arrows FLOAT NOT INSTALLED to SWITCH INSTALLED ! SET ! BLOCK/PARAM/COUNT>B# and enter 6. At P# enter 27. At move CNT: enter 1. Display shows flashing "!SET!", and returns to BLOWER NOT INSTALLED PROVING SW INSTALLED ! SET ! BLOCK/PARAM/COUNT for another change. When changes DIRTY NOT INSTALLED are done, use the left arrow to back out of the CONTROL FILTER SW INSTALLED ! SET ! menu, and UPDATING SETTINGS is shown while changes are BLOWER NOT INSTALLED made, and then M2 resets to use the new values. OVERLOAD S135 INSTALLED ! SET !

PHASE NOT INSTALLED SETTINGS > INSTALL > (all except NEW M2) MONITOR INSTALLED ! SET ! Use SETTINGS > INSTALL as shown in the following UV LAMP NOT INSTALLED diagram; default settings will be used. Use menu to change INSTALLED ! SET ! ELECTRIC NOT INSTALLED language used, and ancillary components installed. An HEAT 1 STAGE expert manual and service software are available for more STAGES 2 STAGES EXIT 3 STAGES complex installations (see Table 7, Page 27). If any alarms BOOTLOADER 4 STAGES ! SET ! BY HOLDING are present, take corrective action prior to installation. BACK ARROW UPDATE DISPLAY FOR ~ 3 DISPLAY WILL RESET ! RESET ! UPDATE DISPLAY SOFTWARE menu only appears in DB1 SECONDS SOFTWARE

Page 21

Page 21 SETTINGS > INSTALL > NEW M2 Use SETTINGS > INSTALL > NEW M2 to go through the setup and change settings as needed when installing a replacement M2 (new M2 units have no factory pre-sets).

INSTALL

NEW M2 CLEAR ARE YOU ALL SURE? CONFIGURATIONS Y/N WHEN INSTALLING A NEW M2, ENTER THE SERIAL, UNIT NO. AND MODEL NO. THE M2 WILL AUTOMATICALLY RESET.

UNIT SERIAL NO. XXXXXXXXX UNIT NO. XXX MODEL NO. XXXXXXXXXXXX M2 RESET

AFTER RESET, RETURN TO SETTINGS > INSTALL > NEW M2 AND SCROLL TO CATALOG NO. XXXXX CATALOG NO. AND CONTINUE CONFIGURING THE BOARD TO MATCH THE UNIT.

NOT INSTALLED DAMPER MOAD ! SET ! ECON Use arrows to SMARTAIRFLOW INSTALLED move NOT INSTALLED ! SET !

EXHAUST NOT INSTALLED STAGES 1 EXHAUST STAGE ! SET ! 2 EXHAUST STAGES

HUMIDITROL NO ! SET ! YES

PHASE/VOLTAGE NOT INSTALLED ! SET ! DETECTION INSTALLED

MSAV/VFD AUTOMATIC BYPASS MANUAL ! SET ! NONE THIS MENU ITEM IS ONLY VISIBLE AS A SELECTION WHEN THE BLOWER CONTROL MODE IS SET FOR MSAV(ECTO 0.01 = 3) OR "M" IN BLOWER­TYPE OF MODEL NUMBER.

Page 22 Blower Operation with Occupancy and CEC Title 24 The blower runs to service heat and cool demands, options are available when using LonTalk or BACnet regardless of the space occupancy. But when there is no networks that supply a room occupancy signal (in addition to heating or cooling demand there are options for how the the scheduled occupancy). The same two options are also blower should operate in conjunction with occupancy signals available when using the Lennox L Connection network with to keep the space ventilated, or the air stirred. comfort sensors that have added an optional room occupancy sensor. If a room occupancy sensor is not In SETTINGS>CONTROL menus the option for BLOWER installed and configured on the network, then options 0 and 1 ON OCP is selected as CYCLES or ALWAYS ON. These for ECTO 6.17 as previously described should continue to be correspond to ECTO 6.17 settings of 0 or 1, respectively. used. These settings govern whether the blower runs continuously when the space is considered occupied (=1), or cycles on/off The two new ECTO 6.17 options for CEC Title 24 are: with the heating and cooling demand (=0). ECTO 6.17 only ECTO 6.17 = 2: Blower runs when both the occupancy applies to the room sensor control modes, and not to the local scheduler and the room occupancy sensor indicate that or network thermostat modes. In those modes the blower is the space is occupied. controlled by the G thermostat or DDC signal. ECTO 6.17 = 3: Same as option 2, but the blower also To comply with the California Energy Commission Title 24 runs for 30 minutes and is OFF for 90 minutes when the standard there are two additional blower/occupancy settings occupancy scheduler indicates occupied but the room that are set directly by changing ECTO 6.17 from the occupancy sensor indicates that the space is not SETTINGS>CONTROL>ECT O menu. These two additional occupied.

Page 23

Page 23 Economizer (Damper) General During free cooling operation, the damper modulates to The economizer, when configured, controls maintain a discharge air temperature equal to the free cooling discharge air setpoint. If the damper has been damper position, which determines how much outdoor continuously at its maximum open position for at least three air is used to meet free cooling or (IAQ) minutes, then a second stage cooling demand will be allowed requirements, and to turn on the first stage of mechanical cooling. While the the optional power exhaust fans. mechanical cooling is on, the damper is held to its maximum position, and does not modulate until the second stage On a cooling demand, outdoor air is used for free cooling demand is satisfied. On a third stage cooling demand, the instead of first-stage compressor(s) when outdoor air is second stage of mechanical cooling will be turned on. suitable (OAS). Outdoor Air Suitability Outdoor Air Suitable (OAS) LED (Early M2 hardware) There are five modes which can be used to determine if the A yellow LED which is labeled OAS provides economizer outdoor conditions will enable free cooling. status. A steady yellow LED indicates that outdoor air is Old hardware: DIP switch is set to suitable for free cooling. A flashing yellow OAS light indicates ODE (Outdoor Enthalpy), and the the IAQ sensor requires outdoor air. (A flashing yellow LED Enthalpy Setpoint potentiometer can also mean that the economizer dampers are open to is set A-through-D. bring in fresh air while a compressor is on.) If the economizer New hardware: Configuration is is already operating, a flashing yellow OAS light indicates the set to Single Enthalpy IAQ sensor requires more outdoor air than is suitable for free cooling. Economizer Control and ECTO 6.26 setpoint value is set to between 12 and 19mA, 150 to 240 counts. DIP Switch Settings (Early M2 hardware) Enthalpy Setpoint The DIP switch setting determines the mode used to enable This setting pertains to the ODE free cooling mode only. The free cooling. The DIP switch also has a mode to set the M2 will enable free cooling when outdoor air enthalpy (A7) is damper minimum position and test damper operation. DIP less than the enthalpy setpoint. Table 5 shows the switch is factory-set when the economizer is approximate enthalpy setpoints for each potentiometer factory-configured. setting at 50% relative humidity. The ECTO 6.26 column is Free Cooling Discharge Air Setpoint the correlating values used in the new hardware. When outdoor air conditions are suitable and economizer is Example:—At setting “A”, the enthalpy control will modulate set to provide free cooling, dampers will modulate to achieve dampers open when outdoor air is at 73°F and 50% relative a discharge air temperature of 55°F (13°C) default. This humidity. If space temperatures are too warm, rotate the setpoint is adjustable between 45° and 65°F. potentiometer to “B” (old hardware) or enter a count of 173 (ECTO 6.26 if new hardware). The enthalpy control will now The setpoint can also be automatically increased when modulate dampers open when outdoor air is 70°F and 50% outdoor or return air temperatures drop. See Outdoor Air relative humidity. Reset and Return Air Reset in the Discharge Air Control NOTE - When in outdoor enthalpy mode, a value between section in the Prodigy Application Guide (Advanced 130-240 counts is entered. When in differential enthalpy Features) manual. These settings must be enabled and adjusted using the Prodigy CONTROL/ECTO menu to make mode a 2mA (or 26 count) difference between outdoor and changes to ECTO values. Refer to the Prodigy Application indoor enthalpy corresponds to about a 3.5°F difference in Guide. The unit does not have to be operating in discharge air temperature at constant relative humidity (or about a 12%RH cooling mode to adjust the free cooling discharge air setpoint, difference at constant temperature). When in differential or to use setpoint reset. enthalpy mode, a value between 0-75 counts is entered. Table 5. Enthalpy Control Setpoints The recommended enthalpy Control Enthalpy Control Setpoint At 50% Relative Humidity Ap­ ECTO 6.26 setpoint is “A”. If the econom­ Setting proximate Degrees F (C) cnt (mA) izer is allowing air which is too A 73 (23) 150 (11.8) warm or too humid to enter the B 70 (21) 173 (13.6) system, the enthalpy control may be changed to a lower set­ C 67 (19) 199 (15.5) ting (B, C, or D). D 63 (17) 224 (17.6)

Page 24 Economizer (Damper) (Continued) There are six options available to determine outdoor air is factory-configured. When the economizer is suitability (OAS) for free cooling. See table 6. Economizer field-configured, the ODE mode requires additional settings are shown for each mode in figure 4. field-provided sensor(s). See table 6. The TEMP mode uses The appropriate sensors are provided when the economizer sensors provided with all units. Table 6. Free Cooling Options DIP SW MODE CONTROL positions Selection Selection Free cooling mode OAS Setpoint Calculation Older M2 Newer M2 Hardware Hardware Temperature offset 1,2 to TMP TEMP OFFSET OAT

Outdoor air enthalpy (A7) is less than enthalpy setpoint potentiometer position A, B, C, or D (for old hardware), or less ENTH (setpoint) than ECTO 6.26 STPT value (new hardware). Global input is energized by (P297-9). This setting is also used for outdoor air damper applications. Global input also GLOBAL brings on the blower. (This mode is NOT used when OAS signal is provided via network connection. GLO is only used when a 24VAC signal is used to energize the P297-9 GLO input.) Enthalpy includes effects of both temperature and humidity.

Page 25

Page 25 Economizer Controls and Location Free Cooling Settings Note-All economizer modes of operation, except DSET, will modulate dampers to 55°F (13°C) discharge air. TEMP OFFSET, TEMP OAT M2 UNIT CONTROLLER STPT, and Remote MODE.

ODE DIFFERENTIAL (Outdoor Enthalpy) C B D Set to DIF

STEADY YELLOW A DIF ENTH SET PNT “OUTDOOR AIR SUITABLE” LED INDICATES ODE (Outdoor Enthalpy) OUTDOOR AIR C B D CAN BE USED ECON Set to A FOR COOLING DIP SWITCH A DIF ENTH SET PNT GLO (Global Enthalpy)

0-100% MINIMUM POSI­ TION POTENTIOMETER

Figure 4. Economizer controls and free cooling settings (Early M2 Hardware)

Page 26 APPENDIX Abbreviations A55 M2 board. Main controller board for RTU IDE Indoor enthalpy. Depends on temperature and humidity A59 C2 board. Second compressor add-on board IE Indoor enthalpy. A133 GP1 Board. General purpose add-on board DIP selects 3 functions “w.c. Inches of water column AI Analog input LCONN L Connection AO Analog output LED Light emitting diode. An indicator light, found either as individual BL Blower elements or grouped together as segments to form characters BRPM Blower RPM LP Low pressure C2 2nd compressor add-on board (A59) LT Limit C1 1st stage cooling M2 Main M2 unit controller board (A55). C2 2nd stage cooling MCB1 Motor control board C3 3rd stage cooling MGV Modulating gas valve C4 4th stage cooling MOAD Motorized outdoor air damper CAI Combustion air inducer MSAV Multi Stage Air Volume CAVB with bypass damper OAC Outdoor air control COM Electrical common OAS Outdoor air suitable for free cooling CLK Clock OAT Outdoor air temperature CP1 Compressor 1 OCP Thermostat demand, occupied mode CP2 Compressor 2 ODE Outdoor enthalpy. Depends on temperature and humidity CP3 Compressor 3 OE Outdoor enthalpy. CP4 Compressor 4 PID Proportional, integral and derivative based control loop CSP Cooling setpoint PPM Parts per million (mostly used for CO2 measurements) DAC Discharge (supply) air control RAP Return air pressure DACC Discharge (supply) air control cooling RAT Return air temperature DACH Discharge (supply) air control heating RH Relative humidity DAP Discharge (supply) air pressure RS Reset DAT Discharge (supply) air temperature RTU Roof top unit DB Deadband RT6 Discharge air temperature sensor DCV Demand controlled ventilation RT16 Return air temperature sensor DDC Direct Digital Controller RT17 Outdoor air temperature sensor DI Digital input SMK Smoke detection mode (alarm) Diff Differential SP Setpoint DIP DIP switch Stg Stage DPOS Damper position STPT Setpoint DO Digital output TB Terminal block ECON Economizer TSTAT Thermostat ECTO Electronic configure to order (control parameters) UNOCP Unoccupied FAC Fresh air cooling control USB Universal Serial Bus, connect to PC or flash drive FAH Fresh air heating control W1 Thermostat demand, heat stage 1 FAT Fresh air tempering control. See FAC & FAH W2 Thermostat demand, heat stage 2 FC Free cooling W3 Thermostat demand, heat stage 3 G Thermostat demand, blower W4 Thermostat demand, heat stage 4 GLO Global mode or input (economizer) VAC Alternating current voltage GP1 General purpose board GP1-1 (A133) VAV . Accomplished with a variable frequency drive H1 1st stage heating (VFD) H2 2nd stage heating VDC Direct current voltage H3 3rd stage heating VFD Var. frequency drive. An AC inverter used to vary motor speed H4 4th stage heating VT Ventilation HP1 add-on board (A61) Y1 Thermostat demand, cooling stage one HP High pressure Y2 Thermostat demand, cooling stage two HSP Heating setpoint Y3 Thermostat demand, cooling stage three HT Heating Y4 Thermostat demand, cooling stage four IAQ Indoor air quality. Often synonymous with CO2 level in ppm ZAT Zone air temperature Table 7. Service parts available for Prodigy® Controller Catalog Catalog Catalog Description number Description number Description number

M2 Unit Controller Replacement kit 59W47 M2 USB service kit tube 59W52 M2 Training board (no suitcase, 59W56 USB, or M2) DB1-1 M2 Display Replacement kit 59W49 M2-1 Display battery (10-pack) 59W53 SmartWire Field Termination kit 59W57 MCB1 M2 Motor Control Replace­ 59W50 M2-1 Fuse (2-Amp ATC, 5-pack) 59W54 Lennox Prodigy USB Memory Stick 59W59 ment kit (5-pack) M2 BACnet Replacement kit 59W51 M2 Deluxe Training kit (suitcase, 59W55 Service Software & Expert Manual 59W60 UC, USB kit, expert manual, M2, on USB trainer)

Page 27

Page 27 USB Service Report Example

======USB SERVICE REPORT ======Service Date 1/1/2010 Service Time 12:00:00 Serial No. 5609K00002 M2 Version 7.02.00 DB1Version 1.05.00 Unit No. 2 Sbus Address 2 BACnet Address. 2 CAT No. NO CN MODEL NO. LGH036H4ES1Y Status HEATING ======Runtime Data Total Power On 1832 HRS 79 CYCLES Before Install 286 HRS −−−−−−− Filter 2040 HRS −−−−−−− Belt 1063 HRS −−−−−−− Blower 1162 HRS 131 CYCLES Compressor 1 46 HRS 66 CYCLES Compressor 2 14 HRS 17 CYCLES Compressor 3 0 HRS 0 CYCLES Compressor 4 0 HRS 0 CYCLES Outdoor Fan 1 14 HRS 32 CYCLES Outdoor Fan 2 0 HRS 2 CYCLES Outdoor Fan 3 0 HRS 0 CYCLES Outdoor Fan 4 0 HRS 0 CYCLES Outdoor Fan 5 0 HRS 0 CYCLES Outdoor Fan 6 0 HRS 0 CYCLES Heat Stage 1 96 HRS 17 CYCLES Heat Stage 2 96 HRS 16 CYCLES Reheat 0 HRS 13 CYCLES Free Cooling 42 HRS 1608 CYCLES UV Lamp 2368 HRS −−−−−−− ======

Sensor Data OAT : 80 degF RAT : 76 degF DAT : 69 degF ZAT : 59 degF RH : 34 % CO2 : 415 ppm ======

Alarm/Status Log ( 58) 12.14.2009 12:07:15 HEAT 1 NO PROOF GAS VALVE GV1 ( 85) 12.14.2009 12:03:24 INCORRECT HUMIDITROL SETTINGS ( 82) 12.14.2009 12:03:24 CONTROLLER RESET ( 95) 12.09.2009 19:54:37 SETTINGS HAVE CHANGED (120) 12.09.2009 18:52:54 ADD−ON BOARD MCB PROBLEM ======END OF REPORT

Page 28 USB Service Report Example (If SmartAirflow™ is Installed)

======SmartAirflow USB SERVICE REPORT ======Calibrated on 9/27/2012 13:10:49 == Service Date 10/26/2009 Supply Airflow Calibration Table Service Time 16:28:05 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Serial No. 5609K00002 PWM(%) Speed(rpm) Airflow(cfm) M2 Version 7.00.00 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ DB1Version 1.03 20 350 715 Unit No. 2 30 470 810 Sbus Address 1 40 590 907 BACnet Address. 1 50 670 1079 CAT No. NO CN 60 780 1265 MODEL NO. LGH036H4ES1P 70 860 1423 Status IDLE 80 950 1680 ======90 1160 1839 == 96 1250 2198 Runtime Data Total Power On 666 HRS 46 CYCLES Supply Airflow Targets Before Install 286 HRS ­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Filter 661 HRS ­­­­­­­ Mode Desired Airflow(cfm)PWM(%) Belt 373 HRS ­­­­­­­ ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Blower 473 HRS 100 CYCLES Cool High 1950 94 Compressor 1 46 HRS 58 CYCLES Cool Low 1200 56 Compressor 2 14 HRS 17 CYCLES Cool Med High 1800 91 Compressor 3 0 HRS 0 CYCLES Cool Med Low 1500 75 Compressor 4 0 HRS 0 CYCLES Heat 1900 93 Outdoor Fan 1 14 HRS 24 CYCLES Ventilation 1300 64 Outdoor Fan 2 0 HRS 2 CYCLES Smoke 2000 95 Outdoor Fan 3 0 HRS 0 CYCLES Outdoor Fan 4 0 HRS 0 CYCLES Economizer Differential Pressure at maximum Supply Airflow Outdoor Fan 5 0 HRS 0 CYCLES ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Outdoor Fan 6 0 HRS 0 CYCLES Damper Position (%) Diff.Pressure(in.H2O) Heat Stage 1 4 HRS 11 CYCLES ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Heat Stage 2 4 HRS 12 CYCLES 0 0.25 Humiditrol 0 HRS 5 CYCLES 50 0.1 Free Cooling 42 HRS 1608 CYCLES 100 0.05 UV Lamp 751 HRS ­­­­­­­ ======Outside Airflow Targets == ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Sensor Data Minimum Outdoor Air/Minimum DCV: 400 cfm OAT : 80 degF Maximum DCV: 650 cfm RAT : 76 degF Minimum CO2: 500 ppm DAT : 69 degF Maximum CO2: 1200 ppm ZAT : 59 degF RH : 34 % ======CO2 : 415 ppm == Alarm/Status Log ( 82) 10.26.2009 16:27:04 CONTROLLER RESET ( 5) 10.26.2009 16:25:13 BLOWER S52 ======END OF REPORT

Page 29

Page 29 USB Service Report Example (If SmartAirflow™ is Calibrated)

SmartAirFlow

Page 30 COMP LOCKOUT. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER, OUTSIDE TEMP CHARGE, COIL, FILTER, FLOW, AIR CHECK FRZSTAT, COMP LOCKOUT. OUTSIDE TEMP COIL, FILTER, CHARGE, FLOW, AIR CHECK FRZSTAT, COMP OFF. OUTSIDE TEMP CHARGE, COIL, FILTER, FLOW, AIR CHECK FRZSTAT, COMP LOCKOUT. OUTSIDE TEMP COIL, FILTER, CHARGE, FLOW, AIR CHECK FRZSTAT, COMP OFF. OUTSIDE TEMP CHARGE, COIL, FILTER, FLOW, AIR CHECK FRZSTAT, COMP LOCKOUT. CONDITIONS OR SENSOR CHECK SPACE ABOVE SETPOINT. HEAT OR SENSOR CONDITIONS CHECK SPACE COOL BELOW SETPOINT. CHECK EXT MTR OVERLOADS CHECK EXT MTR OVERLOADS REPLACE FILTER OR CHECK FILTER SWITCH S27 OR CHECK FILTER REPLACE FILTER PERSISTS. LENNOX IF PROBLEM CHECK UNIT SETTINGS. CONTACT RESET CONTROLLER. BLOWER PARTS CODE 5. CHECK MULTIPLE LOCKOUT. COIL. FANS, CHECK CHARGE, COMP OFF. LOCKOUTS. CLEAR MENU TO COIL. USE SERVICE FANS, CHECK CHECK CHARGE, COMP LOCKOUT. COIL. FANS, CHECK CHARGE, COMP OFF. LOCKOUTS. CLEAR MENU TO COIL. USE SERVICE FANS, CHECK CHECK CHARGE, COMP LOCKOUT. COIL. FANS, CHECK CHARGE, COMP OFF. CLEAR LOCKOUTS. MENU TO COIL. USE SERVICE FANS, CHECK CHARGE, COMP LOCKOUT. COIL. CHECK CHARGE, FANS, COMP OFF. CLEAR LOCKOUTS. MENU TO COIL. USE SERVICE CHECK CHECK CHARGE, FANS, COMP LOCKOUT. CHECK PHASE MONITOR CHECK PHASE MONITOR COIL AIR FLOW. FILTERS, CHECK CHARGE, COMP OFF. LOCKOUTS. CLEAR MENU TO COIL. USE SERVICE AIR FLOW, CHECK CHECK CHARGE, FILTER, COMP LOCKOUT. COIL AIR FLOW. FILTERS, CHECK CHARGE, COMP OFF. LOCKOUTS. CLEAR MENU TO COIL. USE SERVICE AIR FLOW, CHECK CHECK CHARGE, FILTER, COMP LOCKOUT. COIL AIR FLOW. FILTERS, CHECK CHARGE, COMP OFF. LOCKOUTS. CLEAR MENU TO COIL. USE SERVICE AIR FLOW, CHECK CHECK CHARGE, FILTER, COMP LOCKOUT. COIL AIR FLOW. FILTERS, CHECK CHARGE, COMP OFF. LOCKOUTS. CLEAR MENU TO COIL. USE SERVICE AIR FLOW, CHECK CHECK CHARGE, FILTER, COMP LOCKOUT. CHECK OVERFLOW SW CHECK OVERFLOW SW OUTSIDE TEMP COIL, FILTER, CHARGE, FLOW, AIR CHECK FRZSTAT, COMP OFF. OUTSIDE TEMP CHARGE, COIL, FILTER, FLOW, AIR CHECK FRZSTAT, COMP LOCKOUT. OUTSIDE TEMP COIL, FILTER, CHARGE, FLOW, AIR CHECK FRZSTAT, COMP OFF. CONNECTIONS CHECK POWER IF PROBLEM PERSISTS. LENNOX SETTINGS. CONTACT CHECK UNIT RESET CONTROLLER. FOR SOURCE OF SMOKE. SMOKE MODE. CHECK DEMAND. CHECK BLOWER PARTS AIR FLOW SWITCH OPEN 16 SEC AFTER UNIT OFF. Table 8. Alarm Codes 8. Alarm Table Action ALARM(38) COMP 4 FRZSTAT OPEN S95 ALARM(38) COMP 4 FRZSTAT OPEN S95 ALARM(39) STRIKE 3 COMP 4 FRZSTAT LIMIT RT16 ALARM(40) RETURN AIR OVER HEAT ALARM(41) RETURN AIR UNDER COOL LIMIT RT16 ALARM(42) CHECK 2 AMP FUSE UNIT SHUTDOWN S42 OR S135 ALARM(43) STRIKE 3 UNIT SHUTDOWN S42 OR S135 ALARM(32) COMP 1 FRZSTAT OPEN S49 ALARM(32) COMP 1 FRZSTAT OPEN S49 ALARM(33) STRIKE 3 COMP 1 FRZSTAT OPEN S50 ALARM(34) COMP 2 FRZSTAT OPEN S50 ALARM(35) STRIKE 3 COMP 2 FRZSTAT OPEN S53 ALARM(36) COMP 3 FRZSTAT OPEN S53 ALARM(37) STRIKE 3 COMP 3 FRZSTAT ALARM(25) STRIKE 3 ON COMP 2 S88 ALARM(26) COMP 3 LOW PRESS S98 ALARM(27) STRIKE 3 ON COMP 3 S98 ALARM(28) COMP 4 LOW PRESS S97 ALARM(29) STRIKE 3 ON COMP 4 S97 S149 ALARM(30) CHECK 2 AMP FUSE UNIT SHUTDOWN ALARM(31) STRIKE 3 UNIT SHUTDOWN S149 ALARM(18) COMP 4 HIGH PRESS S96 S96 ALARM(19) STRIKE 3 ON COMP 4 HIGH PRESS ALARM(20) UNIT SHUTDOWN A42 ALARM(21) STRIKE 3 UNIT SHUTDOWN A42 ALARM(22) COMP 1 LOW PRESS S87 ALARM(23) STRIKE 3 ON COMP 1 S87 ALARM(24) COMP 2 LOW PRESS S88 Reserved PRESS S4 ALARM(12) COMP 1 HIGH COMP 1 HIGH PRESS S4 ALARM(13) STRIKE 3 ON PRESS S7 ALARM(14) COMP 2 HIGH COMP 2 HIGH PRESS S7 ALARM(15) STRIKE 3 ON PRESS S28 ALARM(16) COMP 3 HIGH S28 ALARM(17) STRIKE 3 ON COMP 3 HIGH PRESS ALARM(2) CHECK SETTINGS ALARM(2) CHECK Reserved ALARM(4) SMOKE A173 ALARM(5) BLOWER S52 S27 ALARM(6) FILTER PROBLEM ALARM(7) CONTROLLER BLOWER S52 ALARM(8) STRIKE 3 ON POWER ERRATIC ALARM(1) Display Message Display 2 3 5 7 0 1 4* 6* 8* 38 40 41 42 32 34 36 26 28 30 18 20 22 24 12 14 16 39* 43* 33* 35* 37* 25* 27* 29* 31* 19* 21* 23* 13* 15* 17* 9 - 11 Event Code

Page 31

Page 31 ADD-ON BRD PROBLEM SETTINGS CHECK REHEAT NO ACTION NEEDED CHECK CONFIGURATION CHECK HUMIDITROL SETTINGS AND WIRING AND COOL HEAT INPUTS FOR SIMULTANEOUS CHECK TSTAT CLEAR. INTERNAL CONTROLLER PROBLEM. RESET TO HEAT SECT 1 SECONDARY HEAT LIMIT OPEN. CHECK AIR FLOW, FILTER, LIMIT, AND WIRING. LIMIT, FILTER, LIMIT OPEN. CHECK AIR FLOW, HEAT SECT 1 SECONDARY HEAT GAS ROLL OUT S47 SECT 1 CHECK HEAT WIRING. AND LIMIT, SECT 1 LIMIT OPEN. CHECK AIR FLOW, HEAT GAS ROLL OUT S47 SECT 1 CHECK HEAT WIRING. AND LIMIT, SECT 1 LIMIT OPEN. CHECK AIR FLOW, HEAT & PROOF SWITCH COMBUSTION AIR MOTOR SECT 1 CHECK HEAT & PROOF SWITCH AIR MOTOR SECT 1 OFF CHECK COMBUSTION HEAT GV1, GAS SUPPLY FLAME PROOF, SECT 1 CHECK IGNITION CONTROL, HEAT GV1, GAS SUPPLY FLAME PROOF, SECT 1 CHECK IGNITION CONTROL, HEAT AND WIRING. LIMIT, LIMIT OPEN. CHECK AIR FLOW, HEAT 2 PRIMARY SECT HEAT AND WIRING. LIMIT, LIMIT OPEN. CHECK AIR FLOW, HEAT 2 PRIMARY SECT HEAT AND WIRING. LIMIT, OPEN. CHECK AIR FLOW, LIMIT HEAT SECT 2 SECONDARY HEAT AND WIRING. LIMIT, FILTER, OPEN. CHECK AIR FLOW, LIMIT HEAT SECT 2 SECONDARY HEAT CHECK ROLLOUT SENSOR AND GAS CHECK ROLLOUT SENSOR AND GAS SWITCH & PROOF AIR MOTOR SECT 2 CHECK COMBUSTION HEAT SWITCH & PROOF 2 OFF CHECK COMBUSTION AIR MOTOR SECT HEAT GV3, GAS SUPPLY SECT 2 CHECK IGNITION CONTROL, FLAME PROOF, HEAT GV3, GAS SUPPLY SECT 2 CHECK IGNITION CONTROL, FLAME PROOF, HEAT WIRING LIGHTS AND STATUS NETWORK FOR REFRESH RATE, CHECK WITH INTEGRATOR CHECK ZONE SENSOR AND WIRING CHECK SENSOR AND WIRING CHECK SENSOR AND WIRING CHECK SENSOR AND WIRING CHECK SENSOR AND WIRING CLEAR ADD-ON BRD PROBLEM, RESET TO UNIT OFF. GV1 POWER BUT NO DEMAND. CHECK GAS PRESS, GAS VALVE DEMAND. CHECK GAS POWER BUT NO GV1 UNIT OFF. PRESS, GAS VALVE DEMAND. CHECK GAS POWER BUT NO GV3 UNIT OFF. ARE OFF. COMPRESSORS FOURTH THIRD AND AND WIRING. LIMIT, CHECK AIR FLOW, LIMIT OPEN. HEAT SECT 1 PRIMARY HEAT WIRING. AND LIMIT, LIMIT OPEN. CHECK AIR FLOW, HEAT SECT 1 PRIMARY HEAT AND WIRING. LIMIT, LIMIT OPEN. CHECK AIR FLOW, HEAT SECT 1 SECONDARY HEAT Table 8. 8. Alarm Codes Table Action ALARM(83) INCORRECT SETTINGS Reserved ALARM(85) INCORRECT HUMIDITROL SETTINGS INPUT ALARM(86) CONFLICTING TSTAT Reserved ALARM(88) CONTROLLER PROBLEM ALARM(77) DISCHARGE AIR TEMP SENSOR RT6 ALARM(77) DISCHARGE AIR TEMP SENSOR ALARM(78) RETURN AIR TEMP SENSOR RT16 ALARM(79) ADD-ON BOARD PROBLEM ALARM(80) ADD-ON BOARD PROBLEM SETUP ERROR ALARM(81) REHEAT ALARM(82) CONTROLLER RESET ALARM(68) HEAT 2 NO PROOF GAS VALVE GV3 2 NO PROOF GAS VALVE ALARM(68) HEAT GV3 ALARM(69) STRIKE 3 NO PROOF GAS VALVE Reserved ALARM(73) NETWORK SENSOR ERROR ALARM(74) ZONE SENSOR A2 ALARM(75) OUTDOOR TEMP SENSOR RT17 A91 ALARM(76) CHECK 2 AMP FUSE HUMIDITY SENSOR ALARM(61) STRIKE 3 PRIMARY HEAT 2 LIMIT OPEN S99 HEAT ALARM(61) STRIKE 3 PRIMARY 2 LIMIT OPEN S100 ALARM(62) HEAT 2 LIMIT OPEN S100 ALARM(63) STRIKE 3 HEAT 2 ROLLOUT OPEN S69 ALARM(64) HEAT ALARM(65) STRIKE 3 ROLLOUT OPEN S69 2 CAI SWITCH S45 ALARM(66) HEAT 2 CAI SWITCH S45 ALARM(67) STRIKE 3 HEAT ALARM(55) STRIKE 3 HEAT 1 ROLL OUT OPEN 1 ROLL OUT ALARM(55) STRIKE 3 HEAT 1 S15 LIMIT OPEN ALARM(55) STRIKE 3 HEAT 1 CAI SWITCH S18 ALARM(56) HEAT S18 1 CAI SWITCH ALARM(57) STRIKE 3 HEAT GV1 1 NO PROOF GAS VALVE ALARM(58) HEAT GV1 PROOF GAS VALVE ALARM(59) STRIKE 3 NO LIMIT OPEN S99 2 HEAT ALARM(60) PRIMARY ALARM(49) NO 24VAC ON A59 (C2) BOARD ON A59 (C2) NO 24VAC ALARM(49) S10 1 LIMIT OPEN HEAT PRIMARY ALARM(50) 1 LIMIT OPEN S10 HEAT ALARM(51) STRIKE 3 PRIMARY 1 LIMIT OPEN S21 HEAT ALARM(52) SECONDARY 1 LIMIT OPEN S21 HEAT ALARM(53) STRIKE 3 SECONDARY 1 ROLL OUT OPEN ALARM(54) HEAT 1 S15 LIMIT OPEN ALARM(54) HEAT ALARM(44) GAS VALVE ON NO DEMAND GV1 GAS VALVE ALARM(44) ON NO DEMAND GV3 GAS VALVE ALARM(45) Reserved Display Message Display

84 85 87 88 80 81 82 68 73 62 64 66 56 58 60 50 52 54 83* 86* 77* 78* 79* 69* 74* 75* 76* 61* 63* 65* 67* 55* 57* 59* 49* 51* 53* 44* 45* 70 - 72 46 - 48 Event Event Code Code

Page 32 VFD FAULT DETECTED. CHECK BELT AND FOR BLOWER OVERLOAD. FIX SOURCE OF FAULT AND RESET M2. OF FAULT AND FOR BLOWER OVERLOAD. FIX SOURCE BELT DETECTED. CHECK VFD FAULT MENU. MSAV NOT BE ON. DISENGAGE AT OR MAY MODE IS ENGAGED. BLOWER MAY VFD BYPASS IS NOT INSTALLED. AS IF BYPASS MODE HAS NOT BEEN SELECTED. UNIT OPERATES VFD BYPASS CORRECT PHASE/VOLTAGE. DETERMINE M2 UNABLE TO CANNOT BE ACHIEVED. CHECK CAUSE OF AIRFLOW TARGET ­ INDICATES ENABLED RTU SMARTAIRFLOW™ CHANGES IN WORK, ETC FILTER, AIRFLOW REDUCTION SUCH AS DIRTY SETTINGS HAVE CHANGED AT THE UNIT CHANGED AT SETTINGS HAVE CLEAR. PROBLEM. RESET TO INTERNAL CONTROLLER WIRING CHECK SENSOR AND BOARD AND SETTINGS OF GP INSTALLATION CHECK FOR PROPER BOARD AND SETTINGS OF GP INSTALLATION CHECK FOR PROPER BOARD AND SETTINGS OF GP INSTALLATION CHECK FOR PROPER CHECK PRODIGY SETTINGS DIALS, AND PRODIGY SETTINGS CHECK ECON SWITCHES, CHECK SENSOR AND WIRING CHECK SENSOR AND WIRING CHECK SENSOR AND WIRING CHECK SENSOR AND WIRING SENSOR AND WIRING CHECK NETWORK OR COMFORT CLEAR. TO INTERNAL CONTROLLER PROBLEM. RESET CLEAR. TO INTERNAL CONTROLLER PROBLEM. RESET CLEAR. POWER NOISE PROBLEM. RESET TO TEST MODE CHECK PRODIGY SERVICE NOT DETECTED DISPLAY LENNOX CONTACT SETUP. CLEAR OR ADVANCED PROBLEM. RESET TO SETUP MCB CONFIGURATION INTERNAL CONTROLLER PROBLEM. RESET TO CLEAR. RESET TO CONTROLLER PROBLEM. INTERNAL SENSOR AND WIRING DIAL SETTINGS, DIP SWITCH AND ENTH CHECK ECON SENSOR AND WIRING DIAL SETTINGS, DIP SWITCH AND ENTH CHECK ECON NETWORK SENSOR CHECK COMM LOSS WITH EMS PROGRAMMING CHECK SETPOINT AND Table 8. 8. Alarm Codes Table Action ALARM(128) 24VAC POWER LOSS ALARM(128) 24VAC ALARM(129) VFD SHUTDOWN ENGAGED ALARM(130) VFD BYPASS Reserved NOT CONFIGURED ALARM(132) VFD BYPASS ALARM(133) CHECKING POWER CFM ALARM(134) LOW SUPPLY ALARM(121) LINE FREQ DOES NOT MATCH UNIT CONFIG ALARM(121) LINE FREQ DOES NOT MATCH LOW VOLTAGE PRIMARY ALARM(122) 24VAC HIGH VOLTAGE PRIMARY ALARM(123) 24VAC LOW VOLTAGE SECONDARY ALARM(124) 24VAC HIGH VOLTAGE SECONDARY ALARM(125) 24VAC UNIT CONFIG ALARM(126) LINE PHASING DOES NOT MATCH Reserved Reserved CONTROLLER PROBLEM ALARM(114) UNIT OFFLINE FOR TEST ALARM(115) Reserved NO DISPLAY ALARM(118) TIMEOUT RESET CAUSED BY WATCHDOG STATUS(119) ALARM(120) ADD-ON BOARD MCB PROBLEM ALARM(106) BUILDING PRESS SENSOR A34 PRESS SENSOR A30 ALARM(107) DUCT SUPPLY PRESS SENSOR A30 HIGH ALARM(108) DUCT SUPPLY A30 PRESS SENSOR ALARM(109) STRIKE 3 DUCT SUPPLY ON NETWORK DATA WAITING ALARM(110) CONTROLLER PROBLEM ALARM(111) CONTROLLER PROBLEM ALARM(112) ALARM(99) OUTDOOR ECON SENSOR A24 ALARM(99) OUTDOOR SETUP ERROR ALARM(100) AIR VOL CONTROL SETUP ERROR ALARM(101) MGV CONTROL SETUP ERROR ALARM(102) GP CONTROL ERROR CONTROL SETUP ALARM(103) ADVANCED Reserved ECON CONTROL SETUP ERROR ALARM(105) ADVANCED ALARM(91) OUTDOOR ENTH SENSOR A7 OUTDOOR ENTH SENSOR ALARM(91) A62 INDOOR ENTH SENSOR ALARM(92) ALARM(93) BACKUP MODE SENSOR SETPOINT ALARM(94) BAD ZONE CHANGES HAVE ALARM(95) SETTINGS Reserved PROBLEM ALARM(98) CONTROLLER Reserved PROBLEM CONTROLLER ALARM(90) Display Message Display 99 94 95 98 89 90 91* 92* 93* 111 113 115 118 119 110 112 130 131 132 133 134 127 108 101 104 105 114* 128* 129* 121* 122* 123* 124* 125* 126* 120* 106* 107* 109* 100* 102* 103* 96, 97 116&117 Event Event CodeCode

Page 33

Page 33 . OPTION IS INSTALLED BUT BLOWER TYPE IS NOT EP CAPABLE OR DAMPER IS NOT INSTALLED. IS INSTALLED BUT BLOWER TYPE IS NOT EP CAPABLE OR DAMPER OPTION VERIFY THE MSAV.BLOWER SETTINGS AND SET THE CM TARGETS BELOW XXXX CFM BELOW XXXX AND SET THE CM TARGETS SETTINGS VERIFY THE MSAV.BLOWER PROBLEM WITH BE RANGE. MAY NOT WITHIN THE VALID IS PRESSURE SENSOR VALUE DAMPER DIFFERENTIAL ETC. HIGH RETURN DUCT RESISTANCE THE SENOR TUBING, RECORDED UPDATE FIRMWARE M2 CONTROL BOARD RECOGNIZED BY M2. BUT VCB BOARD IS NOT PRESENT/NOT IS INSTALLED SMARTAIRFLOW™ THE ACTUAL POSITION OF DAMPER IS GREAT­ POSITION AND DIFFERENCE BETWEEN THE TARGET THE WHEN POS­ INDICATE MEASUREMENTS TEMPERATURE OR FEEDBACK < 0.5V, DAMPER MOTOR ER THAN 30%, OR THE SIBLE STUCK DAMPER BLADES. SMARTAIRFLOW™ EP CAPABLE ONLY BLOWER TYPES M (VGD) AND E (ECM) ARE THE VCB1 PRESSURE SENSOR. HIGH OR LOW OUT OF RANGE READING FOR ENERGY. IS WASTING AND RTU DAMPER IS NOT OPEN ADEQUATELY ENERGY. IS WASTING AND RTU DAMPER IS OPEN EXCESSIVELY BLOWER RPM IS TOO LOW AS INDICATES BY BLOWER STATUS. THIS MEANS THAT THE BLOWER IS NOT WORKING." MEANS THAT THE BLOWER BLOWER STATUS. THIS LOW AS INDICATES BY RPM IS TOO BLOWER BE IN A STUCK CONDITION. AIR DAMPER MAY OUTDOOR BE IN A STUCK CONDITION. AIR DAMPER MAY OUTDOOR ENERGY. IS WASTING SO THE RTU HIGH TOO CFM IS VENTILATION CFM ABOVE XXXX AND SET THE CM TARGETS SETTINGS VERIFY THE MSAV.BLOWER Table 8. 8. Alarm Codes Table Action OA DAMPER ERROR OA ALARM(148) SMARTAIRFLOW CONFIG ERROR ALARM(148) SMARTAIRFLOW VCB PRESSURE SENSOR ERROR ALARM(149) ALARM(150) NOT ECONOMIZING WHEN IT SHOULD NOT ALARM(151) ECONOMIZING WHEN IT SHOULD ALARM(143) DAMPER PRESSURE ALARM(143) DAMPER UPDATE ALARM(144) FIRMWARE PRESENT ALARM(145) VCB NOT Reserved ALARM(147) Reserved HIGH AIRFLOW TOO ALARM(139) OUTDOOR MIN XXXX LOW ­ THIS SETUP TOO ALARM(140) CFM TARGET CFM HIGH ­ THIS SETUP MAX TOO ALARM(141) CFM TARGET XXXX CFM Reserved ALARM(135) NO AIRFLOW ALARM(135) MECHANICAL OUTSIDE AIR DAMPER/ECON ALARM(136) FAULT LOW OUTDOOR AIRFLOW ALARM(137) Display Message Display 144 146 138 139 140 141 142 137 148* 149* 150* 151* 143* 145* 147* 135* 136* Event Event Code Code

Page 34 Wiring Diagrams (036, 048, 060 Units)

Page 35 Wiring Diagrams (ACCESSORIES)

Page 36 Wiring Diagrams (ACCESSORIES) J299A P299 1 DI-1

USE DI2 TO CONNECT: 2 R 1. OVERLOAD CONTACTS 3 C B 4 DI-2

5 R C 6 DI-3

7 R D 8 DI-4

9 C USE DI3 TO CONNECT: 10 1. OVERFLOW SWITCH P304 2. PHASE MONITOR MODULE

A130

J298 P153 J153 TB37 K1 8 1 1

9 3 3

K2 10 2 2

K4 4 4 J104 P193 J193

2 5 2 5

5 1 6 1 6

6

Page 37 Wiring Diagrams (240, 300 Units) TION THICKNESS. VOLTAGE UNITS ONLY VOLTAGE ONLY ON UNITS WITH HUMIDITROL ON UNITS ONLY OPTION OF 5VDC CIRCUIT ARE PART AND S50 S49 EXTERNAL HUMIDITROL CONTACTS HUMIDITROL EXTERNAL ARE USED ON ”Y” AND F10 FUSES F6 S42 USED ON ”M” VOLTAGE UNITS AND UNITS S42VOLTAGE USED ON ”M” UNITS WITH HIGH EFFICIENCY MOTORS WITH HIGH EFFICIENCY UNITS AND INSULA IN THIS APPLIANACE IS REPLACED THIS IN WARNING − ELECTRIC SHOCK HAZARD, CAN CAUSE WARNING AND CODES. LOCAL ACCORDANCE WITH NATIONAL IT MUST BE REPLACED WITH WIRE OF LIKE SIZE, WITH BE REPLACED MUST IT BE GROUNDED IN MUST . UNIT OR DEATH INJURY NOTE − IF ANY WIRE ANY − IF NOTE TERMINATION RATING, POWER BEFORE SERVICING. ALL DISCONNECT T43 T43 L14 L30 DI 2 DI 1 A55

Page 38 KEY COMPONENT A55 PANEL, MAIN A59 PANEL, COMPRESSORS 3 AND 4 A169 PANEL, MOTOR CONTROL A184 CONTROL, VCB BOARD B1 COMPRESSOR 1 B2 COMPRESSOR 2 B3 MOTOR, BLOWER B4 MOTOR, OUTDOOR FAN 1 B5 MOTOR, OUTDOOR FAN 2 B10 MOTOR, EXHAUST FAN 1 B11 MOTOR, EXHAUST FAN 2 B13 COMPRESSOR 3 B20 COMPRESSOR 4 B21 MOTOR, OUTDOOR FAN 3 B22 MOTOR, OUTDOOR FAN 4 B23 MOTOR, OUTDOOR FAN 5 B24 MOTOR, OUTDOOR FAN 6 C1 CAPACITOR, OUTDOOR FAN 1 C2 CAPACITOR, OUTDOOR FAN 2 C6 CAPACITOR, EXHAUST FAN 1 C8 CAPACITOR, EXHAUST FAN 2 C18 CAPACITOR, OUTDOOR FAN 3 C19 CAPACITOR, OUTDOOR FAN 4 C20 CAPACITOR, OUTDOOR FAN 5 C21 CAPACITOR, OUTDOOR FAN 6 CB8 CIRCUIT, BREAKER T1 CB10 CIRCUIT BREAKER, MAIN DISCONNECT UNIT CB18 CIRCUIT, BREAKER T18 F6 FUSE, EXHAUST FAN F10 FUSE, OUTDOOR FAN MOTOR F30 FUSE, TRANSFORMER T29 PRIMARY F31 FUSE, TRANSFORMER T29 SECONDARY HR1 HEATER COMPRESSOR 1 HR2 HEATER COMPRESSOR 2 HR5 HEATER COMPRESSOR 3 HR11 HEATER COMPRESSOR 4 J11 JACK, GFI, RECEPTACLE J18 JACK, EXHAUST FAN COMP J24 JACK, EXHAUST FAN J47 JACK, OUTDOOR FAN 1 J52 JACK, OUTDOOR FAN 2 J86 JACK, OUTDOOR FAN INTERFACE J87 JACK, OUTDOOR FAN INTERFACE 2 J106 JACK, OUTDOOR FAN 3 J107 JACK, OUTDOOR FAN 4 J108 JACK, OUTDOOR FAN 5 J109 JACK, OUTDOOR FAN 6 J118 JACK, COMPRESSOR 3 AND 4, CONTROL J119 JACK, COMPRESSOR 3 AND 4, INPUT J132 JACK, BLOWER , EXHAUST FAN MOTOR 1 J133 JACK, BLOWER , EXHAUST FAN MOTOR 2 J138 JACK, EXHAUST FAN 2 J139 JACK, EXHAUST FAN 3 J263 JACK, HIGH AND LOW PRESSURE SWITCHES J264 JACK, BLOWER DECK J265 JACK, CONTACTORS AND RELAYS K2,-1 CONTACTOR, COMPRESSOR 2 K3, -1 CONTACTOR, BLOWER K10,-1,2 RELAY, OUTDOOR FAN 1 K14,-1 CONTACTOR, COMPRESSOR 3 K65-1,2 RELAY, EXHAUST FAN K68,-1 RELAY, OUTDOOR FAN 2 K146,1 CONTACTOR, COMPRESSOR 4 K149,-1 RELAY, OUTDOOR FAN 3 K150,-1 RELAY, OUTDOOR FAN 4

Page 39 K152,-1 RELAY, OUTDOOR FAN 5 K153,-1,2 RELAY, OUTDOOR FAN 6 L14 VALVE, SOLENOID REHEAT COIL 1 L30 VALVE, SOLENOID REHEAT COIL 2 P18 PLUG, EXHAUST FAN COMP P24 PLUG, EXHAUST FAN P47 PLUG, OUTDOOR FAN 1 P52 PLUG, OUTDOOR FAN 2 P86 PLUG, OUTDOOR FAN INTERFACE P87 PLUG, OUTDOOR FAN INTERFACE 2 P106 PLUG, OUTDOOR FAN 3 P107 PLUG, OUTDOOR FAN 4 P108 PLUG, OUTDOOR FAN 5 P109 PLUG, OUTDOOR FAN 6 P118 PLUG, COMPRESSOR 3 AND 4, CONTROL P119 PLUG, COMPRESSOR 3 AND 4, INPUT P132 PLUG, EXHAUST FAN MOTOR 1 P133 PLUG, EXHAUST FAN MOTOR 2 P138 PLUG, EXHAUST FAN 2 P263 PLUG, HIGH AND LOW PRESSURE SWITCHES P264 PLUG, BLOWER DECK P265 PLUG, CONTACTORS AND RELAYS P267 PLUG,OUTDOOR FAN AREA P268 PLUG, TRANSFORMERS P269 PLUG, HUMIDITROL P299 PLUG, SAFETY PT5 PRESSURE TRANSDUCER, ECONOMIZER RT17 SENSOR, OUTDOOR AIR S4 SWITCH, LIMIT HI PRESS COMPRESS 1 S7 SWITCH, LIMIT HI PRESS COMPRESS 2 S11 SWITCH, LOW PRESS, LOW AMBIENT KIT COMP 1 S28 SWITCH, LIMIT HI PRESS COMPRESS 3 S42 SWITCH, OVERLOAD RELAY BLOWER MOTOR S48 SWITCH, DISCONNECT S49 SWITCH, FREEZE STAT COMPRESS 1 S50 SWITCH, FREEZE STAT COMPRESS 2 S53 SWITCH, FREEZE STAT COMPRESS 3 S84 SWITCH, LOW PRESS, LOW AMBIENT KIT COMP 2 S85 SWITCH, LOW PRESS, LOW AMBIENT KIT COMP 3 S87 SWITCH, LOW PRESS, COMP 1 S88 SWITCH, LOW PRESS, COMP 2 S94 SWITCH, LOW PRESS, LOW AMBIENT KIT COMP 4 S95 SWITCH, FREEZE STAT COMPRESS 4 S96 SWITCH, LIMIT HI PRESS COMPRESS 4 S97 SWITCH, LOW PRESS, COMP 4 S98 SWITCH, LOW PRESS, COMP 3

Page 40 3 Part Number MS 9413-10-408 MS 9413-10-012 MSLO 9408-S10-000 MZ 9400-10-008 MF 9306-002-60-000-G MF 9306-002-64-000-G MF 9306-003-4D-000-G MF 9306-003-4L-000-G MS 9413-10-409 MS 9413-10-013 MSLO 9408-010-075-960-000-00 MZ 9400-10-009 MF 9306-003-0H-000-G MF 9306-002-0P-002-G MF 9306-002-37-001-G MF 9306-003-01-000-G MS 9413-10-407 MS 9413-10-011 MSLO 9408-010-576-960-000-00 MZ 9400-10-007 MF 9306-002-0A-002-G MF 9306-006-43-000-G MF 9306-002-49-000-G 24 VAC COM 24 VAC 3 24VAC Description Assembly Header & Label - Header - Label Screw terminal Screw terminal Screw terminal Screw terminal Assembly Header & Label - Header - Label Screw terminal Screw terminal Screw terminal Screw terminal Assembly Header & Label - Header - Label Screw terminal Screw terminal Screw terminal 2 33 MS 9413-10-409 24V COMM DI 24VAC 24VAC DI 24VAC 24VAC DI 24VAC 24V COMM NA Type 24VAC 24V COMM DI 24VAC DI 24VAC DI 24VAC DI 24VAC DI 24VAC DI 24VAC DI 24VAC NA 24VAC 24V COMM 0-10VDC AI 0-10VDC AI 0-10VDC AI GND 0-10VDC AI DO 24VAC 24V COMM DO 24VAC DI 24VAC 24VAC 2 232 MS 9413-10-408 P298 P299 Table 9. M2 unit controller signal reference diagram reference signal controller M2 unit 9. Table 6 ZONE SENSOR OUTPUT SERVICE RELAY COMMON 24 VAC EXHAUST FAN SMOKE (NO) DETECTOR POWER TRANSFORMER 1 24VAC TRANSFORMER 1 24V COMMON INPUT 2 FORMER (S42 & S135) DIGITAL POWER TRANSFORMER 1 24VAC BOX) INPUT 3 FORMER (S149 & A42 FOR A DIGITAL POWER TRANSFORMER 1 24VAC INPUT 4 FORMER (HUMIDITROL INPUT) DIGITAL TRANSFORMER 1 24V COMMON RESERVED BLOWER SIGNAL HEATING 1ST STAGE HEATING 2ND STAGE COOLING 1ST STAGE COOLING 2ND STAGE OCCUPIED SIGNAL GLOBAL CONTROL INPUT RESERVED POWER TRANSFORMER 1 24VAC TRANSFORMER 1 24V COMMON INDOOR AIR QUALITY INDOOR AIR QUALITY RH SENSOR GROUND DIGITAL Description POWER TRANSFORMER 1 24VAC TRANSFORMER 1 24V COMMON 22 3 P297 MS 9413-10-407 R C R R C R C R C G Y1 Y2 W1 W2 DI1 DI2 DI3 DI4 DO1 DO2 RSV GLO RSV TMP OCP GND GND GND IAQ+ HUM Label S2 + 3 S 7 8 9 1 2 3 4 5 6 3 4 5 6 7 8 9 7 8 9 1 2 1 2 3 4 5 6 10 10 10 S - BUS IAQ Interface Safety - MS 9413-03-401 Pin # Pin P299 P299 P298 P298 P297 Thermostat

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Page 41 P270 DISPLAY PCB SW 24 VAC SW 24 VAC DI VAC 24 SW 24 VAC SW 24 VAC SW 24 VAC SW 24 VAC DI VAC 24 24 VAC DI VAC 24 BUS BUS COM 24 VAC 24 VAC SW 24 VAC SW 24 VAC Reserved RS-485 Communication RS-485 Communication 1 Common Transformer 24 VAC 1 Transformer 24 VAC Primary Limit Burner 1 C Primary Limit Burner 1 NC Primary Limit Burner 1 NO Secondary Limit Burner 1 C Secondary Limit Burner 1 NC Rollout Switch Burner 1 C Rollout Switch Burner 1 NC Cab Proof Switch 1 Cab Proof Switch 1 Sense 1 Gas Valve Primary Limit Burner 2 C Primary Limit Burner 2 NC Primary Limit Burner 2 NO Secondary Limit Burner 2 C Secondary Limit Burner 2 NC Rollout Switch Burner 2 C Rollout Switch Burner 2 NC Cab Proof Switch 2 Cab Proof Switch 2 Sense 2 Gas Valve RSV + - COM T1 S10-C S10-NC S10-NC S21-C S21-NC S47 S47 S18 S18 GV1 S99-C S99-NC S99-NO S100-C S100-NC S69 S69 S45 S45 GV3 5 1 2 3 5 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 10 10 P270 Sensor Board P271 Heating 1 Safety P272 Heating 2 Safety 24 VAC COM 24 VAC DO 24 VAC DO 24 VAC 24 VAC DO 24 VAC COM DO 24 VAC DO 24 VAC COM DO 24 VAC COM 24 VAC DO 24 VAC DO 24 VAC COM 24 VAC DO 24 VAC DO 24 VAC RES 0-5 VDC SW 24 VAC DO 24 VAC SW 24 VAC SW 5 VDC 5 VDC SW 5 VdC 24 VAC COM 24 VAC 24 VAC COM 24 VAC 24 VAC Transformer 1 Transformer 1 Transformer Table 10.Table M2 boardconnections diagram 24 VAC Common 24 VAC Reheat Solenoid 1 Reheat Solenoid 2 Relay Outdoor Fan 2 Common 24 VAC Relay Combustion Air Blower 1 Relay Combustion Air Blower 2 Common 24 VAC Relay Exhaust Fan Common 24 VAC Heat 1, Electric Heat 1 Heat 2, Electric Heat 2 Common 24 VAC Heat 3, Electric Heat 3 Heat 4, Electric Heat 4 Outdoor Air Temp Digital Ground Low Pressure Fan 1 24 VAC Low Pressure Fan 2 Defrost Temp 5VDC Defrost Pressure 1 Power 24 VAC 1 Common Transformer 24 VAC Power 24 VAC Common 24 VAC Power 24 VAC VSS S46 T1-1 T1-COM T18-1 T18-COM T43 T43 L14 L30 K13 K19 COM K65 COM A3, K15 W2, K16 COM A12, K17 W2, K15 RT17 GND S11 R S84 S6 K68 COM 7 8 1 2 3 4 1 2 3 4 9 1 2 3 4 5 6 1 2 3 4 5 6 7 8 11 10 12 P268 Power P269 Reheat - Humiditrol P266 Heating Control P267 Outdoor Fan Area 5 VDC SW 5 VDC SW 5 VDC 5 VDC SW 5 VDC COM 24 VAC DO 24 VAC DO 24 VAC DO 24 VAC COM 24 VAC DO 24 VAC 20 VDC 4-20 mA AI 24 V DI 24 VAC Power DO 24 VAC COM 24 VAC SW 24 VAC 24 VAC SW 24 VAC SW 24 VAC 24 VAC SW 24 VAC RES 0-5 VDC SW 5 VDC Type 24 VAC COM 24 VAC 2-10 VDC AO 2-10 VDC AI RES 0-5 VDC 4-20 mA AI alve 24 VAC Common 24 VAC Contactor Compressor 1 Contactor Compressorr 2 Contactor Blower Commo 24 VAC Relay Outdoor Fan 1 Discharge Air Temp Digital Ground Freezestat 1 (NC) 5VDC Freezestat 2 (NC) Air Flow Switch (NO) 5VDC Dirty Filter Switch (NO) Reversing V Common 24 VAC High Pressure Compressor 1 Power 24VAC Low Pressure Compressor 1 NC High Pressure Compressor 2 Power 24VAC Low Pressure Compressor 2 Damper Position Feedback Digital Ground Return Air Temp Outdoor Enthalpy Sensor DC Power 10 Volts Indoor Enthalpy Sensor Smoke Detector Smoke Detector 24V Smoke Detector 24 Common Description Power 24VAC Digital Ground Damper Control COM K1 K2 K3 COM K10 RT6 GND S49 VSS S50 S52 VSS S27 L1 COM S4 T1 S87 S7 T1 S88 DPOS GND RT16+ A7 S 20 VDC A62 S A173 T1 COM Label R GND VOT Economozer control 6 2 3 4 5 6 7 8 1 2 3 4 5 7 8 1 2 3 4 5 6 1 6 7 8 9 2 3 4 5 1 11 12 10 Pin# P265 Contactors / Relays P264 Blower Deck Area P263 High $ Low Pressure P262 P262

Page 42 Quick Start Guide

CAUTION Check rooftop unit electrical power for proper voltage and phasing. Check gas train components. 1. Turn on unit, correct alarm issues as necessary. 2. Follow GUIDED SETUP menu to properly configure unit (see Page 9). 3. Be sure unit is in normal operating mode as seen in display (COOLING, HEATING, IDLE, etc). 4. Conduct unit startup to verify operation under SERVICE-> TEST menu (see Page 12). 5. Insert USB memory stick into display cover to verify service and collect unit information. Control Mode Menu Setup Needed Tips THERMOSTAT (Factory set for 2 stage thermostat) Check 2 AMP fuse if wiring error. Check LEDs for signals. Check ground switch position. LOCAL MODE Change default backup setpoints; see Give unit time to startup, error codes 74 and 93 SETTINGS -> CONTROL -> LOCAL are expected. (Page 17). Humidity control requires sensor or error code 76 MSAV Change motor torque; see Use LENNOX MSAV trained technician. SETTINGS -> CONTROL -> MSAV Final motor CFM needs to be set by Test and (Page 19). Balance technician Blower charts are located in unit EHB. BACnet Select control mode; see Setup information to be verified with integrator. SETTINGS -> CONTROL -> BACNET Follow wiring instructions including network (Page 18). termination Remember to set MAC address 0-127 Expert level BACnet service manual available. LonTalk Select control mode; see Setup information to be verified with integrator. SETTINGS-> CONTROL -> LONTALK Follow wiring instructions including network (Page 18). termination XIF file available. Neuron ID on sticker. Expert level LonTalk service manual available. L Connection Select control mode; see Follow wiring instructions including network SETTINGS -> CONTROL -> LCONN termination (Page 17). Comfort Sensors are 24 VAC polarity sensitive. All network devices need to be correctly addressed Damper Select control mode; see Verify damper minimum positions SETTINGS -> SETPOINTS -> DAMPER Refer to Economizer section of manual for more (Page 16). detail Reheat Select sensor type; see Two possible connections, SENSOR and SETTINGS -> CONTROL -> REHEAT (Page 18). Analog sensor wiring is polarity sensitive For Lennox Service Support 1-800-4LENNOX. For Lennox Commercial website, go to www.lennoxcommercial.com.

Page 43 Revision History 12/2009 Initial production release. 6/2011 Revised software support; (3/11); add LONTALK in table on page 4; remove SmartWire Repair Tool Kit 11/2011 New firmware upload procedures; MSAV additions. 3/2013 Change diagram 537108-01 to 537108-02; revise trademarks throughout manual; added error code 147; DB1 menu changes; changes to economizer operation for new hardware. 6/2013 Add information concerning SmartAirflow™. 7/2013 Updated information concerning UNIT F/C options on page 6 and 15.

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