Siemens 125-699 Application 2583 Multiple Compressor Heat Pump with Reversing Valve Control and

Siemens BACnet Heat Pump Controller - Multi-Stage Owner’s Manual

Compressor Operation	9
Fan Operation	9
Power Failure Recovery	10
Centralized Alarm Monitoring	10
Overriding DOs	10
Fail-safe Operation	10
Using Auxiliary Points	11
Application 2583: Multiple Compressor Heat Pump with Reversing Valve Control and
Mixed Air Control	12
Compressor Staging	12
Reversing Valve Operation	12
Application Notes	12
Application 2584: Multiple Heating and Cooling Heat Pump with Mixed Air and Internal
Reversing Valve Control	14
Compressor/Electric Heat Staging	14
Application Notes	14
Application 2590: BACnet Heat Pump Slave Mode	16
Using the Controller as a Point Extension Device	16
Point Database	18
Overview	18
Troubleshooting	28
Basic Service Information	28
Preventive Maintenance	28
Safety Features	29
Controller LEDs	29
Glossary	30
Overview	30
Index	34

II Siemens Building Technologies, Inc.