GE QS2800V Heat Pump User Manual


 
OPERATION AND MAINTENANCE MANUAL
FOR SERIES QS1800V AND QS2800V SERIES
TONKAFLO
®
PUMPS
T
ABLE OF CONTENTS
Page
1.0 INTRODUCTION.....................................................................................................................................1
2.0 TONKAFLO SPECIFICATION..............................................................................................................2
2.1 Pump Label Nomenclature .............................................................................................2
2.2 Performance Specifications............................................................................................3
2.3 Material Specifications......................................................................................................4
3.0 PUMP INSTALLATION..........................................................................................................................5
3.1 Inspection ................................................................................................................................5
3.2 Pump Mounting and Location .......................................................................................5
3.3 Operation Safeguards........................................................................................................6
3.4 Inlet and Discharge.............................................................................................................6
3.4.1 Inlet Piping................................................................................................................6
3.4.2 Discharge Piping....................................................................................................7
3.4.3 Piping Connections...............................................................................................7
3.4.4 Inlet Line Screen/Filter ........................................................................................7
3.4.5 Discharge Screen (Strainer)..............................................................................8
3.5 Pump Priming ........................................................................................................................9
3.6 Motor Wiring........................................................................................................................10
3.6.1 Single-Phase Motors.........................................................................................10
3.6.2 Three-Phase Motors..........................................................................................11
3.6.3 Three-Phase Power Imbalance ...................................................................12
3.6.4 Wire Sizing .............................................................................................................12
3.7 Electrical Grounding.........................................................................................................13
3.8 Motor Protection................................................................................................................13
4.0 PUMP OPERATION.............................................................................................................................14
4.1 Priming ...................................................................................................................................14
4.2 Operation ..............................................................................................................................14
4.3 Restarts ..................................................................................................................................14
5.0 GENERAL TROUBLESHOOTING...................................................................................................15