Excel 10 W7753A Unit Ventilator Controller APPLICATION GUIDE Table of Contents Introduction .................................................................................................................................. 3 Description of Devices ........................................................................................ 3 Control Application .............................................................................................. 4 Control Provided ................................................................................................. 4 Products Covered................................................................................................ 4 Organization of Manual ....................................................................................... 4 Applicable Literature ........................................................................................... 6 Product Names ................................................................................................... 6 Agency Listings ................................................................................................... 6 Abbreviations and Definitions.............................................................................. 7 Construction ........................................................................................................ 8 Controllers ...................................................................................................... 8 Performance Specifications ....................................................................... 9 Environmental............................................................................................ 10 Inputs/Outputs ........................................................................................... 10 Analog Inputs............................................................................................. 10 LONMARK® Functional Profile.................................................................... 10 Digital Inputs.............................................................................................. 11 Triac Outputs ............................................................................................. 11 Wall Modules .................................................................................................. 11 Air Temperature Sensor ................................................................................. 11 Configurations ..................................................................................................... 11 General........................................................................................................... 11 Allowable Heating and Cooling Equipment Configurations ............................ 13 Staged Heating/Cooling Control ................................................................ 13 Modulating Heating/Cooling Control.......................................................... 14 Economizer Control ................................................................................... 14 Pneumatic Actuator Control....................................................................... 15 Mixed-Output-Type Control ....................................................................... 15 Occupancy Sensor ......................................................................................... 15 Window Open/Closed Digital Input................................................................. 16 Wall Module Options ...................................................................................... 16 Fan Speed Switch .......................................................................................... 16 Mixed Air Temperature ................................................................................... 16 Outdoor Air Quality CO................................................................................... 16 Dirty Filter Monitor .......................................................................................... 16 Drip Pan Full................................................................................................... 16 Indoor Air Quality (IAQ) Override ................................................................... 16 Freeze Stat ..................................................................................................... 17 AquaStat......................................................................................................... 17 Smoke Control................................................................................................ 17 Modes of Operation............................................................................................. 17 Application Process .................................................................................................................................. 18 Overview ............................................................................................................. 18 Step 1. Define the Control Application ................................................................ 18 Step 2. Create Bill of Materials............................................................................ 19 Step 3. Configure Controllers .............................................................................. 21 Using LONSPEC™ ........................................................................................... 22 74-2964-2 EXCEL 10 W7753A UNIT VENTILATOR CONTROLLER Configuration screen for UV Controllers ............................................................. 22 Tab: Output:.................................................................................................... 22 Tab: Input ....................................................................................................... 23 Tab: zone options ........................................................................................... 23 Tab: custom wiring ......................................................................................... 24 Tab: pid........................................................................................................... 24 Tab: Economizer ........................................................................................... 24 Tab: equipment control................................................................................... 25 Tab: H/C Stages ............................................................................................. 25 Tab: Misc ........................................................................................................ 25 Step 4. Controller Checkout ................................................................................ 26 Troubleshooting Excel 10 Controllers and Wall Modules............................... 26 Temperature Sensor and Setpoint Potentiometer Resistance Ranges.......... 26 Alarms ............................................................................................................ 26 Broadcasting the Service Message................................................................ 27 W7753A Controller Status LED...................................................................... 28 T7770C,D,E,F Wall Module Remote Override LED ....................................... 28 Appendices .................................................................................................................................. 30 Appendix A: Using LONSPEC™ to Commission a W7753A Controller ................ 30 Sensor Calibration.......................................................................................... 30 Setting PID Parameters ................................................................................. 30 Appendix B: Sequences of Operation................................................................. 31 Common Operations ...................................................................................... 32 Room Temperature Sensor (RmTemp) ..................................................... 32 Remote Setpoint (RmtStptPot) .................................................................. 33 Setpoint Limits (LoSetptLim and HiSetptLim)............................................ 33 Bypass Mode (StatusOvrd and StatusLed)................................................ 33 BypassTime............................................................................................... 33 OverrideType............................................................................................. 33 OverridePriority ......................................................................................... 33 Cycles per Hour (HeatCycHr and CoolCycHr) .......................................... 33 T7770C,D,E,F,G Bypass Pushbutton Operation ....................................... 33 Standby Mode (StatusOcySen) ................................................................. 34 Continuous Unoccupied Mode .................................................................. 34 Occupancy Mode and Manual Override Arbitration .................................. 34 Time Clock (TimeClckOcc)........................................................................ 35 Setpoint ramping ....................................................................................... 35 Fan Operation ........................................................................................... 35 Window Sensor (StatusWndw).................................................................. 36 Smoke Control..........................................................................................