Operating Instructions

Heat Pump Controller - Multi-Stage Owner’s Manual
Application 2274: Multiple Heating and Cooling Heat Pump with
Mixed Air and Internal Reversing Valve Control........................................................13
Compressor/Electric Heat Staging..........................................................................13
Application Notes ....................................................................................................13
Application 2290: Heat Pump ControlIer Multi-Stage Slave Mode............................15
Using the Controller as a Point Extension Device ..................................................15
Point Database..............................................................................................................17
Overview ....................................................................................................................17
Troubleshooting............................................................................................................27
Basic Service Information .......................................................................................27
Ordering Replacement Parts...................................................................................28
Preventive Maintenance..........................................................................................28
Safety Features .......................................................................................................28
Controller LEDs.......................................................................................................28
Glossary.........................................................................................................................29
Overview ....................................................................................................................29
Index...............................................................................................................................33
IV