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Greenheck Microprocessor Controller - Default Chapter; Table of Contents

Greenheck Microprocessor Controller
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Microprocessor Controller for DOAS2
®
Sequence of Operation
General Operation . . . . . . . . . . . . . . . . 3-4
Setpoint Control (Occupied) . . . . . . . . . . . . 4
Setpoint Control (Unoccupied). . . . . . . . . . . 4
Heating . . . . . . . . . . . . . . . . . . . . . . . 4
Cooling . . . . . . . . . . . . . . . . . . . . . . . 4
Economizer. . . . . . . . . . . . . . . . . . . . . 5
Dehumidification . . . . . . . . . . . . . . . . . . 5
Reheat . . . . . . . . . . . . . . . . . . . . . . . 5
Supply Fan VFD Sequence. . . . . . . . . . . . . 5
Exhaust Fan VFD Sequence . . . . . . . . . . . . 5
OA and Recirc Air Damper Control. . . . . . . . . 6
Energy Recovery Wheel . . . . . . . . . . . . . . 6
Alarms . . . . . . . . . . . . . . . . . . . . . . . 7
Controller Overviews
Large Controller . . . . . . . . . . . . . . . . . . 8
Medium Controller . . . . . . . . . . . . . . . . . 9
c.pCOe - Expansion Board Overview, Medium . . 10
pCOe - 4:1 Furnace. . . . . . . . . . . . . . . . .11
pCOe - High Turndown Furnace . . . . . . . . . . 11
Display Use . . . . . . . . . . . . . . . . . . . . . 12
Example of Parameter Adjustment . . . . . . . .12
Example of Web User Interface . . . . . . . . . .13
Main Menu . . . . . . . . . . . . . . . . . . . . . 14
Unit Status Overview. . . . . . . . . . . . . . 15-17
Unit Enable . . . . . . . . . . . . . . . . . . . . . 18
Menus
Control Variables
Temp Control . . . . . . . . . . . . . . . . 18-20
Dehumidification . . . . . . . . . . . . . . 20-21
Refrigeration. . . . . . . . . . . . . . . . . . .22
Damper Control . . . . . . . . . . . . . . . 22-23
Energy Recovery . . . . . . . . . . . . . . . . 24
Fan Control
Supply Fans Control . . . . . . . . . . . . . 25
Exhaust Fans Control. . . . . . . . . . . . .26
Occupancy . . . . . . . . . . . . . . . . . . . 27
Advanced
Manual Overrides. . . . . . . . . . . . .28-30
Network Settings . . . . . . . . . . . . . 30-31
Backup/Restore . . . . . . . . . . . . . 32-33
I/O Configuration . . . . . . . . . . . . . . .34
Unit Configuration . . . . . . . . . . . . . .34
Alarms . . . . . . . . . . . . . . . . . . . . . .35
Table of Contents
IG Furnace Alarm Descriptions . . . . . . . . . .35
Appendix
Remote Display . . . . . . . . . . . . . . . . . . 36
Carel
®
NTC Temp Sensor Chart . . . . . . . .36
I/O Expansion Board Quick Start . . . . . . . . . 37
Room Thermostat Quick Start. . . . . . . . .38-39
GreenTrol
®
Airflow Monitoring Quick Start . . . . 40
Points List . . . . . . . . . . . . . . . . . . . 41-52
Modbus Connections . . . . . . . . . . . . . . .53
Maintenance Log . . . . . . . . . . . . . . . .53-54
Our Commitment . . . . . . . . . . . . . Backcover

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