REFRIGERANT SYSTEM DIAGNOSIS COOLING
REFRIGERANT SYSTEM DIAGNOSIS HEATING
Low Load Conditions
High Load Conditions
Low Load Conditions
High Load Conditions
Low Air Flow Across
High Air Flow Across
Refrigerant System
Low Air Flow Across
Indoor Coil
Indoor Coil
Restriction
Outdoor Coil
Refrigerant System
Reversing Valve not
Reversing Valve not
Overcharged
Restriction
Fully Seated
Fully Seated
Undercharged
Overcharged
Non-Condensables (air)
Undercharged System
Moisture in System
Defective Compressor
Defective Compressor
LOW SUCTION PRESSURE
HIGH SUCTION PRESSURE
LOW HEAD PRESSURE
HIGH HEAD PRESSURE
LOW SUCTION PRESSURE
HIGH SUCTION PRESSURE
LOW HEAD PRESSURE
HIGH HEAD PRESSURE
PROBLEM
PROBLEM
PROBLEM
PROBLEM
PROBLEM
PROBLEM
PROBLEM
PROBLEM
Low Air Flow Across
Outdoor Ambient Too High
Refrigerant System
Outdoor Ambient Too High
Outdoor Coil
for Operation in Heating
Restriction
For Operation In Heating
Refrigerant System
Reversing Valve not
Reversing Valve not
Low Air Flow Across
Restriction
Fully Seated
Fully Seated
Indoor Coil
Undercharged
Overcharged
Defective Compressor
Undercharged
Overcharged
Moisture in System
Defective Compressor
Non-Condensables (air)
in System
TROUBLESHOOTING CHART - COOLING
TROUBLESHOOTING CHART - HEATING (HEAT PUMP)
39
Summary of Contents for WallMaster WE10C33
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