G&F Manufacturing R-410A, Service Manual

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Topics Page
•
Introduction to 410a 3
• Sequence of operation 4
• Control Board Operation 4
• Control Board Service Menu 4
• Service menu options
4
Language Select 4
Remote T-Stat 5
Pool Heat/Cool 5
Pool- Cool 5
Solar Control 5
Time Delay 5
Spa Timer 5
Even Heat 6
Temperature Scale 6
Defrost Mode 6
Evap Temp Calibration 6
Water Temperature Calibration 6
Load Defaults 6
Board Diagnostic 6
No Flow 6
Defrost 6
Low Refrigerant Pressure 7
Water Flow Lockout 7
Evaporator Sensor Malfunction 7
Water Sensor Malfunction 7
Components of Service 8
Charge 8
Thermal Expansion Valve 8
Compressor 8
Fan 8
Remove and Replace Parts 9
R&R Compressor 9
R&R TXV and/or Filter Dryer 10
R&R Heat Exchanger 10
R&R Water Temperature Sensor 10
R&R Defrost/ Evaporator Sensor 12
R&R Water Pressure Switch 12
R&R Hi/ Low Pressure Switch 12
R&R Control Board 12
Installation of Heat Pump
13
Direction Placement 13
Air Flow Direction 13
Electrical Diagram 14
Table of Content