Troubleshooting Guide
Troubleshooting Guide
Refrigeration Cycle Diagram
(1) Cooling Only Models
INDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
(2) Cooling & Heating Models
INDOOR UNIT
HEAT
EXCHANGE
(EVAPORATOR)
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Only for training and service purposes
LIQUID SIDE
3-WAY VALVE
GAS SIDE
3-WAY VALVE
ACCUMU
LATOR
LIQUID SIDE
3-WAY VALVE
GAS SIDE
3-WAY VALVE
ACCUMU
LATOR
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OUTDOOR UNIT
HEAT
EXCHANGE
(CONDENSER)
REVERSING
VALVE
COMPRESSOR
OUTDOOR UNIT
EER
HEAT
EXCHANGE
(CONDENSER)
REVERSING
VALVE
COMPRESSOR
COOLING
HEATING
COOLING
HEATING
LGE Internal Use Only