49
Diagnostics
DIAGNOSTICS
COOLING MODE
TROUBLESHOOTING TIPS
SYSTEM
PROBLEM
INDICATORS
DISCHARGE
PRESSURE
SUCTION
PRESSURE
SUPERHEAT
Normal: 5°–15°F
[-15° – -9°C]
SUBCOOLING
Normal: See
Charging Chart
COMPRESSOR
AMPS
Overcharge
High
High
Low
High
High
Undercharge
Low
Low
High
Low
Low
Liquid Restriction
(Drier)
Low
Low
High
High
Low
Low Indoor Airfl ow
Low
Low
Low
Low
Low
Dirty Outdoor Coil
High
High
Low
Low
High
Low Outdoor
Ambient Temperature
Low
Low
High
High
Low
Ineffi cient
Compressor
Low
High
High
High
Low
Indoor TXV Feeler
Bulb Charge Lost
Low
Low
High
High
Low
Poorly Insulated
Indoor Sensing Bulb
High
High
Low
Low
High
HEATING MODE
TROUBLESHOOTING TIPS
SYSTEM
PROBLEM
INDICATORS
DISCHARGE
PRESSURE
SUCTION
PRESSURE
SUPERHEAT
Normal: 5°–15°F
[-15° – -9°C]
SUBCOOLING
Normal: See
Charging Chart
COMPRESSOR
AMPS
Overcharge
High
High
OK
High
High
Undercharge
Low
Low
OK or High
Low
Low
Liquid Restriction
(Drier)
Low
Low
High
High
Low
Low Outdoor Airfl ow
Low
Low
Low
Low
Low
Dirty Indoor Coil
High
High
Low
Low
High
Low Indoor Ambient
Temperature
Low
Low
OK
High
Low
Ineffi cient
Compressor
Low
High
High
High
Low
Outdoor TXV Feeler
Bulb Charge Lost
Low
Low
High
High
Low
Poorly Insulated
Outdoor Sensing
Bulb
High
High
Low
Low
High
Summary of Contents for RP13
Page 50: ...50 FOR SINGLE PHASE WITH PSC FAN MOTORS WIRING DIAGRAMS Wiring Diagrams...
Page 51: ...51 Wiring Diagrams WIRING DIAGRAMS 3 PHASE 208 230V MODELS...
Page 52: ...52 Wiring Diagrams WIRING DIAGRAMS FOR 3 PHASE 460 575V...
Page 54: ...54...
Page 55: ...55...
Page 56: ...56 CM 0815...
