E-BUS Digital Room Sensor Technical Guide TABLE OF CONTENTS

OVERVIEW ...... 3

BASIC OPERATION ...... 4 Sensor Operation ...... 4 LED Operation ...... 4

MOUNTING AND WIRING ...... 5 Dimensions ...... 5 Environmental Requirements ...... 5 Important Wiring Considerations ...... 5 Mounting ...... 5

SENSOR OPERATION ...... 6 Main Sensor Display Screens...... 6 Temperature and Humidity Status Screen ...... 6 Outside Air Temperature Humidity Status Screen...... 6 Unit Information Screen ...... 6 Setpoint Adjust Screen ...... 7 Operation Modes ...... 7

TROUBLESHOOTING ...... 8 Temperature Sensor Testing for the OE217-02 Temperature Only Sensor ...... 8

APPENDIX ...... 10 Sensor Confi guration and Test Screens ...... 10 Connecting the E-BUS Digital Room Sensor to the HVAC Unit Controller ...... 12

Connecting a Wall Mounted E-BUS CO2 Sensor to the HVAC Unit Controller ...... 13 Connecting the E-BUS Digital Room Sensor to the VAV/Zone Controller ...... 14 Connecting a Remote Sensor ...... 15 Mounting Plate Dimensions ...... 18

PART NUMBER CROSS REFERENCE TABLE

PART DESCRIPTION ORION E-BUS LCD Digital Room Sensor Temp Only OE217-02 E-BUS LCD Room Sensor Temp & Humidity OE217-03 E-BUS Digital Room Sensor Temp & Humidity OE217-04

E-BUS CO2 Sensor (Wall-Mounted) OE256-05 Mounting Plate BK000081 Return Air Temperature Sensor OE231 VCCX2 Controller OE338-26B-VCCX2 VCB-X Controller OE335-26B-VCBX VAV/Zone Controller OE326-23D-OR / OE326-23I-OR

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AAON Controls Form: OR-EBUS-DRS-TGD-01M 8500 NW River Park Drive · Parkville, MO 64152 All rights reserved. © August 2018 AAON, Inc. Toll Free Phone: 866-918-1100 AAON assumes no responsibility for errors or omissions. PH: (816) 505-1100 · FAX: (816) 505-1101 · This document is subject to change without notice. E-mail: [email protected] Visit our web site at www.orioncontrols.com OVERVIEW Features

Overview • Displays Outdoor Air Temperature (if controller is confi gured with an OA Temperature Sensor) The OE217 series of E-BUS Digital Room Sensors are used to sense Space Temperature only or Space Temperature & Space Humidity. See • Displays the Current Space Humidity (OE217-03 Model Figures 1 & 2. Only)

The OE217-02 model is the Space Temperature Sensor only model and • Displays Outdoor Air Relative Humidity (OE217-03 Model if the OE217-03 & OE217-04 models are a combination Space Tempera- controller is confi gured with an OA Humidity Sensor) ture & Space Humidity Sensor model. The OE217-04 model includes • Displays the Current Zone Setpoint Temperature when slide an enclosure without LCD display, front LEDs, and buttons. adjust is entered

All of the OE217 series of sensors can be used with the VCCX2 Control- • Equipped with Push Buttons for changing the Zone Setpoint ler (OE338-26B-VCCX2) and VCB-X Controller (OE335-26B-VCBX) Temperature and connect to the controller using various lengths of EBC E-BUS cables connected between the controller and the sensor. The EBC E-BUS cables • Equipped with an Override Button for forcing the VAV/Zone should not run in conduit with other AC line voltage wiring or with any Controller or VCCX2 / VCB-X Controller into Occupied conductors carrying highly inductive loads. Operation from Unoccupied Operation

The OE217-02 model can be used with the VAV/Zone Controller • Provides graphics to indicate the Mode of Operation (OE326-23D-OR / OE326-23I-OR). It is either hard-wired or connected via EBC E-BUS cable. • Allows connection of a remote 10K Ohm, Type III thermistor temperature sensor (or 4 sensor averaging array). See The OE217-02 & OE217-03 sensors provide the following useful Connecting a Remote Sensor section in the Appendix on page functions: 15 for details.

• Provides 112 x 64 monochrome Graphical LCD display with • Provides LEDs to indicate Schedule Override, Button Push, LED backlight Alarms, and Communications

• Displays the Current Space Temperature • Can display Temperature reading from a Remote Temperature Sensor (see Figures 21 & 22, pages 15 & 16 for instructions)

OVERRIDE ALARM

Display Override

Figure 1: OE217-02 & OE217-03 E-BUS Digital Room Sensor Figure 2: OE217-04 E-BUS Digital Room Sensor

E-BUS Digital Room Sensor Technical Guide 3 BASIC OPERATION Buttons and LEDs

Sensor Operation LED Operation

When power is fi rst applied to the OE217-02 E-BUS Digital Room Refer to Figure 3 for LED locations. Sensor, the sensor will display the Current Room Temperature and the current setting of the slide off set. The OE217-03 model will also display Alarm LED: The Alarm LED will blink when there is an alarm from Relative Humidity. the Controller.

Sense LED: The Sense LED will blink when the sensor gets a valid NOTE: The sensor readings are not accurate until the controller touch. that the sensor is connected to is done calibrating. Override LED: The Override LED is inoperable when in Occupied Mode. In Unoccupied Mode, if you touch the button, the The sensor has 4 buttons—, , , and Override LED will blink, indicating an override request. The Control- . You can also access certain functions by touching the area ler will respond by sending the unit into override. The Override LED below the and buttons. The sensor has 4 will then stay on for the duration of the Override. Any time the Unit LEDs—one to indicate an Override, one to indicate an Alarm, one to is in Override, you can request to cancel the override by touching the indicate Communications, and one to indicate that a button has been button, and the Override LED will blink. The Unit will pressed. See Figure 3 for LED and Button Descriptions. then cancel the override. The Override LED will then turn off .

An icon for the current mode of operation will appear in the sensor Comm LED: The Comm LED located on the back of the sensor display. The operation mode icons are a Snowfl ake for Cooling Mode, blinks on whenever communications are sensed. a Flame for Heating Mode, a Fan in motion for Vent Mode, and a Moon for Unoccupied Mode. When the unit is in Unoccupied Mode, the screen’s background will turn dark. See Figure 9, page 7 for examples of operation modes.

Sense Comm LED LED (Not visible LCD with back MICROCHIP 256GP206 Display cover on) PIC24HJ Override OVERRIDE ALARM LED Alarm LED E-BUS Cable SHLD Up -COM Connection GND Button +12Vdc Override Display Override Display Button Button Remote Thermistor Down Sensor Connector Button

Cover Set Screw

Front View Back View

Figure 3: E-BUS Digital Room Sensor Components

4 E-BUS Digital Room Sensor Technical Guide MOUNTING AND WIRING Dimensions and Mounting

Environmental Requirements Mounting

The E-BUS Digital Room Sensor needs to be installed in an environment that does not exceed a temperature greater than 150°F or less than -30°F CAUTION: Do not touch the front face of the sensor while you and does not exceed 90% relative humidity levels (non-condensing). are plugging in the modular sensor cable. Touching the front face of the sensor while plugging in the cable may prevent proper initial- ization and keep the buttons on the sensor from working properly. Indoor Reading Range

The E-BUS Digital Room Sensor’s Indoor Reading Range is 40°F to The E-BUS Digital Room Sensor is designed to be mounted to a vertical 120°F and 0-100% RH (RH is available on the OE217-03 & OE217-04 2” x 4” electrical box recessed in the wall. If the wall cannot be pen- models). Its temperature reading accuracy is +/- .8°F, and its RH reading etrated, a plastic surface mount box such as those made by WiremoldTM accuracy is +/- 3%. Its sensor element is the integral communicating may be used to mount the sensor to the wall surface. The Sensor should digital sensing device or external Type III Thermistor 10K Ohm @ 77°F. be mounted at least 5 feet above the fl oor.

The Sensor is mounted by removing the front cover and fastening the Outdoor Reading Range 6 housing base to the electrical box using the supplied (2) /32” x 1” machine If your E-BUS Digital Room Sensor is set up to read an Outdoor Air screws. The modular cable is then plugged into the phone jack located on Temperature Sensor, any outdoor air temperature below -40°F will not the circuit board that is mounted on the cover. The cover is then placed appear on the E-BUS Digital Room Sensor’s display. onto the housing base, and the Allen Screw on the bottom of the base is adjusted to hold the cover in place. A locking screw secures the sensor to the wall. See Figure 4 for E-BUS Digital Room Sensor dimensions. Important Wiring Considerations Optional Mounting Plate The E-BUS Digital Room Sensors connect to the VCCX2 or VCB-X Included with the Digital Room Sensor is a mounting plate that Controller using various lengths of EBC E-BUS cable connected between can be used, if necessary, to cover the sensor sheet rock opening. the controller and the sensor. The EBC E-BUS cables should not run This mounting plate screws onto the back of the housing base. in conduit with other AC line voltage wiring or with any conductors The mounting plate is then mounted and covers the recessed space carrying highly inductive loads. See Figure 18, page 12 for wiring. in the wall. A locking screw secures the sensor to the wall. See Figure 25, page 18 for dimensions.

1.1

2.80 0.69 MICROCHIP 256GP206 PIC24HJ

0.81

OVERRIDE ALARM

SHLD

-COM

GND

+12Vdc

4.55”

1.87

Display Override Remote Thermistor Sensor Connector

1.81 0.49

Front View Side View Back View

Figure 4: E-BUS Digital Room Sensor Dimensions

E-BUS Digital Room Sensor Technical Guide 5 SENSOR SCREENS LCD Display Screens

Outside Air Temperature Humidity Main Sensor Display Screens Status Screen

There are 3 Main Sensor Display Screens. The fi rst screen displays the If the connected controller is Current Room Temperature, Operation Mode, Slide Off set, and RH (RH receiving an outdoor air tempera- is available on the OE217-03 Model). The second screen displays the ture and/or humidity broadcast, Outside Air Temperature and/or Humidity if Outdoor Air Temperature touching will fi rst and/or Outdoor Air Humidity that is being monitored. The third screen bring up the Outdoor Status displays the unit information for the controller that the Digital Room Screen. Sensor is connected to.

Figure 6: Outdoor Status Temperature and Humidity Status Screen Screen

The Main Display Screen dis- plays the current room tem- Unit Information Screen perature, the humidity in the room (RH is available on the Touching again will OE217-03 Model), the current bring up the Unit Information setting of the slide off set, and Screen which contains the con- an icon for the current mode of troller’s address or ID number, operation once the controller it is screen ID, and software version connected to is done calibrating. of the controller connected to the sensor. Figure 5: Main Display The diff erent icons shown are a Screen Snowfl ake for cooling mode, a Figure 7: Unit Flame for heating mode, a Fan in Information Screen motion for vent mode, and a Moon for unoccupied mode. When the unit is in unoccupied mode, the screen’s background will turn dark. Refer to Figure 9, page 7 for operation mode screen examples.

6 E-BUS Digital Room Sensor Technical Guide SENSOR SCREENS LCD Display Screens

Setpoint Adjust Screen Operation Modes

Touching <> or <> will dis- Refer to Figure 9 for operation mode screen examples. The diff erent play the Setpoint Adjust Screen. icons shown are a Snowfl ake for cooling mode, a Flame for heating You can adjust the cooling and mode, a Fan in motion for vent mode, and a Moon for unoccupied heating setpoints from this screen mode. When the unit is in unoccupied mode, the screen’s background based on the VAV/Zone, VCCX2, will turn dark. or VCB-X Controller slide off set setpoint. For example, if the con- nected controller’s Max Slide Figure 8: Setpoint Adjust Off set Setpoint is set for fi ve, you Cooling Mode Screen can adjust the setpoint up fi ve with Snowfl ake Icon degrees and down fi ve degrees.

NOTE: If the VAV/Zone or Unit Controller’s slide off set setpoint is set to Zero, this screen will not appear when you touch <> or <>.

Heating Mode with Flame Icon

Vent Mode with Fan in Motion Icon

Unoccupied Mode with Moon Icon

Figure 9: Operation Mode Screens

E-BUS Digital Room Sensor Technical Guide 7 TROUBLESHOOTING Troubleshooting the OE217-02 Temperature Only Sensor

Measuring Digital Sensor Resistance OE217-02 - Temperature Only Sensor

T - 9302 E-BUS Cable Disconnected J3

From Sensor J2

TH1 C21 R11 Q2 R4 R33 D7 1000 1002 470pF R3 1001 COMM EXTERN THERM TB1 1001 LED1 R12 R15 R13 C16 4751 .1uF

R32 D6 C27 C3 DISP1 R17

C23

D4 .1uF 4751

6.8uF C24 .1uF .1uF 1001 U2

R14 .1uF 2.2uF

PROGRAM C1 P1 4751

C25 512H-80IPT

PIC32MX440F

R1 MICROCHIP TB2 R16 YS102370 R1 ModBus LCD Space Sensor WattMaster Controls, Inc MADE IN USA R5 +12Vdc GND -COM SHLD +COMM .1uF 10RO 10RO C26 C13 C14

J1 RS1G 9.21Mhz X2 R8 R6 1 R2 R7

1001 1002 1330 D5

X05 X05 R18 R18 R38 C30 C19 R35 R36 C8 D2 R37 C15 6.8uF 1002 15pF .1uF 1502 3162

C12 X1 4751 4751 4751 4751 C20 10uF 24F .1uF 6.8uH L1 C31 C18 U4 - 6.8uF

C1025 LTC3502 R10 R9 R20 R19 ADM3483 U3 U6

+ .1uF F3 + C17 D1 OE217-02 E-BUS Digital Room Sensor Back View

NOTE:For This Test , The Sensor Must Be Disconnected From Its E-BUS Cable As Shown. The Meter Must Be Set To Measure Resistance In Ohms. UseTable 1 To Determine If The Sensor Is Reading The Correct Resistance Value For The Ambient Temperature. This Resistance Value Should Match The Temperature Value Listed Next To The Resistance Value In The Table. The Temperature Should Be Measured With A Separate Accurate Temperature Measuring Device Located In The Area Where The Sensor Is Currently Located.

Figure 10: Temperature/Resistance Testing for OE217-02 - Temperature Only Sensor

8 E-BUS Digital Room Sensor Technical Guide TROUBLESHOOTING Temperature/Resistance Chart

Temperature – Resis- Temperature – Resis- tance –for Type III 10K tance – for Type III 10K Ohm Thermistor Sensors Ohm Thermistor Sensors Temp Resistance Temp Resistance (ºF) (Ohms) (ºF) (Ohms) -10 93333 71 11379 -5 80531 72 11136 0 69822 73 10878 5 60552 74 10625 10 52500 75 10398 15 45902 76 10158 20 40147 78 9711 25 35165 80 9302 30 30805 82 8893 35 27140 84 8514 40 23874 86 8153 45 21094 88 7805 50 18655 90 7472 52 17799 95 6716 54 16956 100 6047 56 16164 105 5453 58 15385 110 4923 60 14681 115 4449 62 14014 120 4030 64 13382 125 3656 66 12758 130 3317 68 12191 135 3015 69 11906 140 2743 70 11652 145 2502 150 2288

Table 1: Temperature/Resistance for Type III 10K Ohm Thermistor Sensors

E-BUS Digital Room Sensor Technical Guide 9 APPENDIX Sensor Confi guration and Test Screens

Sensor Confi guration and Test Pixel Test Screen Screens To select the first option— To access the Sensor Confi guration & Test Screens, you fi rst need to Pixels—touch <> while at access the Unit Information Screen by touching while at the Sensor Configuration & the Main Display Screen. Test Screen (Figure 12). The Pixel Test Screen tests the pixels of the LCD display, allowing NOTE: While in the Sensor Confi guration & Test Screens, the you to make the screen white button functions as an exit key to return to the with black characters, black previous screen or menu. After a few seconds, however, Figure 13: Sensor Info & with white characters, or a the sensor will automatically revert to the Main Display LED Test Screen black or white screen. To exit Screen. Refer to Figure 11 when reading the instructions this screen, touch . that follow.

Sensor Info & LED Test Screen Override Display To select the second option— Button Button Display Override Info & LEDS—touch < > while at the Sensor Confi gura- tion & Test Screen (Figure 12). The Sensor Info & LED Test Touch Touch Here Screen shows the version of Here software that the sensor is run- ning and allows you to test the Figure 14: Sensor Info & LEDs that are used on the con- LED Test Screen troller. Touching <> will turn the LEDs on and touching <> Figure 11: E-BUS Digital Room Sensor Buttons will turn the LEDs off . To exit this screen, touch .

Sensor Confi guration & Test Screen

While the Unit Information Screen is being displayed, you can enter the Sensor Confi gura- tion & Test Screen options by touching simultaneously below the and buttons. (See Figure 11 which shows where to touch to Figure 12: Sensor access this option.) Confi guration & Test Screen

10 E-BUS Digital Room Sensor Technical Guide APPENDIX Sensor Confi guration and Test Screens

LCD Backlight Test Screens Address Screen

To select the third option— To access the Address Screen, BACKLT—touch SENSOR while at the Thermistor Averag- while at the Sensor Confi guration COMM ing Screen, (Figure 16), touch the & Test Screen (Figure 12, page ADDRESS button. 10). This option allows you to control when the LCD backlight 1 This option allows you to set the turns on and off . You can con- address—from 1-10. Touch <> fi gure the backlight to stay on at to increase the number and touch all times, remain off at all times, <> to decrease the number. Figure 17: Address Figure 15: Backlight Test or to come on when any button The default is 1. & Confi guration Screen is touched on the sensor. Screen To exit this screen, touch To exit this screen, touch . play>.

Thermistor Averaging Screen

To select the fourth and fi nal op- tion—THRM AVG—, while at the Sensor Confi guration & Test Screen (Figure 12, page 10), touch simultaneously below the and buttons. (See Figure 11, page 10 which shows where to touch Figure 16: Temperature to access this option.) Averaging Screen This option allows you to set the rate—from 1-15 seconds—at which the sensor takes a new temperature reading. Touch <> to increase the number of seconds and touch <> to decrease the number of seconds.

To exit this screen, touch .

NOTE: The sensor takes the average of the last 10 readings based on the number that is entered in this screen. For example, if you want a 3-second sample, the sensor will take the average of the last 10 readings every 3 seconds over a 30-second span. Therefore, if you have your sensor next to an outside doorway, you would want to enter a higher number for your sample to give a more accurate read- ing for the room temperature in case the outside door is opened often.

E-BUS Digital Room Sensor Technical Guide 11 APPENDIX E-BUS Digital Room Sensor to HVAC Unit Controller Wiring

E-BUS Digital Room Sensor to HVAC Unit Controller Wiring

The OE217-02, OE217-03, or OE217-04 E-BUS Digital Room Sensor connects to the VCCX2 or VCB-X Controller with the EBC E-BUS expansion cable.

The E-BUS Digital Room Sensor should be mounted at approximately 5 Ft. above the fl oor on the wall in an area that does not have drafts or is exposed to direct sunlight. See Figure 18 for wiring details.

VCCX2 Controller

NOTE: When Only The E-BUS Digital Room Sensor Is Used, It Connects Directly To The Unit Controller Using An EBC E-BUS Cable Of The Appropriate Length. Mount At Least 5 Feet Above Floor. DUCT SeeFigure 19 on page 13 For STATIC Connection When A Wall-Mounted 24 VAC POWER ONLY WARNING! E-BUS CO2 Sensor Is Also Used. POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE WattMaster DAMAGED Overlay #SW 000079 Rev.: 1A

GND DUAL EBUS

+24 VAC

OVERRIDE ALARM

Display Override

EBC E-BUS Cable

E-BUS Digital Room Sensor

Figure 18: OE217-02, OE217-03 & OE217-04 – E-BUS Digital Room Sensor Wiring

12 E-BUS Digital Room Sensor Technical Guide APPENDIX

Wall Mounted E-BUS CO2 Sensor Wiring

E-BUS CO2 Wall Mounted Sensor to NOTE: The OE265-07 Duct Mounted E-BUS CO Sensor can HVAC Unit Controller Wiring 2 be used if desired instead of the Wall Mounted E-BUS

CO2 Sensor. However, the E-BUS Digital Room Sensor The OE256-05 Wall Mounted E-BUS CO2 Sensor is used to monitor CO levels in the space served by the HVAC unit. The CO Sensor con- does not directly connect to the Duct Mounted E-BUS 2 2 CO Sensor. See the OE265-07 E-BUS CO Sensor nects to the VCCX2 or VCB-X Controller with an EBC E-BUS cable. 2 2 Technical Guide for Duct Mounted E-BUS CO Sensor It can be daisy-chained with the E-BUS Digital Room Sensor ( OE217- 2 wiring details. 02, OE217-03, OE217-04) for applications requiring both a room CO2 sensor and room temperature sensor.

It should be mounted at approximately 5 Ft. above the fl oor on the wall in an area that does not have drafts or is exposed to direct sunlight. See Figure 19 for wiring details and installation notes.

VCCX2 Controller

Wall-Mounted

E-BUS CO2 Sensor

DUCT STATIC

24 VAC POWER ONLY WARNING! NOTE: Mount POLARITY MUST BE OBSERVED OR THE Both Sensors At CONTROLLER WILL BE WattMaster DAMAGED Overlay Least 5 Feet Above #SW 000079 Floor. The Digital Rev.: 1A GND DUAL EBUS

Room Sensor +24 VAC Connects To The

CO2 Sensor.

OVERRIDE ALARM

Display Override EBC E-BUS Cable

EBC E-BUS Cable

E-BUS Digital Room Sensor

Figure 19: OE256-05 – Wall Mounted E-BUS CO2 Sensor Wiring

E-BUS Digital Room Sensor Technical Guide 13 APPENDIX E-BUS Digital Room Sensor to VAV/Zone Controller Wiring

E-BUS Digital Room Sensor to VAV/ Zone Controller Wiring

The OE217-02 E-BUS Digital Room Sensor connects to the VAV/Zone Controller with an EBC E-BUS expansion cable. It can also be hard- wired to the VAV/Zone Controller.

The E-BUS Digital Room Sensor should be mounted at approximately 5 Ft. above the fl oor on the wall in an area that does not have drafts or is exposed to direct sunlight. See Figure 20 for wiring details.

Figure 20: OE217-02 – VAV/Zone Controller E-BUS Digital Room Sensor Wiring

14 E-BUS Digital Room Sensor Technical Guide APPENDIX Connecting a Remote Sensor

Connecting a Remote Sensor the ends of the wire close to the circuit board so that the sensor loop wire ends won’t short between each other. The remote sensor then wires to the If the job requires this Sensor to be mounted outside of a conditioned remote sensor terminal block on the back of the Digital Room Sensor. space, a remote OE210 Space Sensor or OE231 Return Air Temperature If using an OE210 type Space Sensor as the remote sensor, you must Sensor (or any 2-wire 10K Ohm, Type III thermistor temperature sensor) clip off the C1 capacitor from the back of the OE210. Be sure to cycle can be hard-wired to the E-BUS Digital Room Sensor. Other versions power to begin reading the remote sensor. See Figure 22, page 16. of the WattMaster space sensors (OE211, OE212, or OE213) with slide adjust and/or override button should not be used as the remote sensor. Contact AAON Controls for wiring information if a four sensor averag- OE217-03 & OE217-04 E-BUS Digital Room Tempera- ing array will be used as the “remote sensor”. ture and Humidity Sensor See Figure 21 for OE231 Return Air Temperature Sensor wiring. See Disconnect the modular cable from the Digital Room Sensor before Figure 22, page 16 for OE210 Space Sensor wiring. performing the following modifi cations. If using the OE217-03 and OE217-04 Temperature and Humidity ver- sions of the Digital Room Sensor, you only need to wire the remote OE217-02 - E-BUS Digital Room Temperature Only sensor to the remote sensor terminal block on the digital sensor. DO Sensor NOT CLIP OFF OR REMOVE the temperature/humidity sensor ele- Disconnect the modular cable from the E-BUS Digital Room Sensor ment on the Digital Sensor. See Figure 24, page 17. When the remote before performing the following modifi cations. temperature sensor is wired in, it will override the on-board temperature value of the OE217-03 or OE217-04 sensor, even though the sensor If using the OE217-02 Temperature Only version of the sensor, you must element remains attached. fi rst remove the Digital Sensor’s back cover. You will see a loop of wire hanging off of the sensor circuit board. See Figure 23, page 17. This is If using an OE210 type Space Sensor as the remote sensor, you must the external thermistor loop wire. Clip the external thermistor loop wire clip off the C1 capacitor from the back of the OE210. Be sure to cycle so that the sensor will read the remote temperature input. Be sure to cut power to begin reading the remote sensor. See Figure 22, page 16.

Mount Sensor In Return Air Duct As Shown. Route Wires To Digital Room Sensor Location And Connect To Terminal Block. OE231 Return Air MICROCHIP 256GP206 Temperature Sensor PIC24HJ

Return SHLD -COM

Air Duct GND

+12Vdc

OE217-02, OE217-03 & OE217-04 E-BUS Digital Room Sensor Back View

Sensor Shown With Back Cover Removed

Figure 21: OE231 Return Air Temperature Sensor Wiring

E-BUS Digital Room Sensor Technical Guide 15 APPENDIX Connecting a Remote Sensor MICROCHIP 256GP206 PIC24HJ

TMP

GND AUX SHLD OUT -COM

GND

+12Vdc Remove C1 Capacitor

OE217-02, OE217-03 & OE217-04 E-BUS Digital Room Sensor Back View OE210 Space Temperature Sensor Sensor Shown With Back View Back Cover Removed

Figure 22: Attaching the OE210 Space Room Sensor

16 E-BUS Digital Room Sensor Technical Guide APPENDIX Connecting a Remote Sensor MICROCHIP 256GP206 PIC24HJ

SHLD

-COM

GND

+12Vdc

Cut Wire Loop As Shown. OE217-02 E-BUS Digital Room Make Sure That The Wires Are Cut Close Enough To Temperature Sensor Only The Circuit Board So They Back View Can’t Touch Each Other. Sensor Shown With Back Cover Removed

Figure 23: Wire Clipping Instructions For OE217-02 - Digital Room Temperature Only Sensor

WARNING: DO NOT CLIP OFF OR REMOVE THE TEMPERATURE & HUMIDITY SENSING ELEMENT MICROCHIP 256GP206 PIC24HJ

SHLD

-COM

GND

+12Vdc

Sensing Element OE217-03 & OE217-04 E-BUS Digital Room Temperature & Humidity Sensor Back View

Sensor Shown With Back Cover Removed

Figure 24: Instructions For OE217-03 & OE217-04 - Digital Room Temperature & Humidity Sensor

E-BUS Digital Room Sensor Technical Guide 17 APPENDIX Mounting Plate Dimensions

Optional Mounting Plate

Included with the Digital Room Sensor is a mounting plate that can be used, if necessary, to cover the sensor sheet rock opening. This mounting plate screws onto the back of the housing base. The mounting plate is then mounted and covers the recessed space in the wall. A locking screw secures the sensor to the wall. See Figure 25 for dimensions.

3.285

1.64

3.27 5.045

0.060

Figure 25: BK000081 Mounting Plate Dimensions

18 E-BUS Digital Room Sensor Technical Guide NOTES

E-BUS Digital Room Sensor Technical Guide 19 Form: OR-EBUS-DRS-TGD-01M Printed in the USA August 2018 All rights reserved. © 2018 AAON Inc. • 8500 NW River Park Drive • Parkville, MO • 64152 Phone: 866-918-1100 www.orioncontrols.com Fax (816) 505-1101