LG Single "A" Service Manual page 67

Part 3 Control logic
8.3 Steady state control
• Cycle diagram
T out
T air
T in
• P-h diagram
T out
T in
T pipe
T suc
T disp
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Only for training and service purposes
T dis
T suc
Compressor
LEV (Linear Expansion Valve)
Cooling mode
Evaporator outlet
Evaporator inlet
Condenser out
Compressor suction
Compressor discharge
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Reversing valve
High
Pressure
Switch
Heating mode
Condenser inlet
Condenser outlet
Evaporator inlet
Compressor suction
Compressor discharge
T air
T pipe
LGE Internal Use Only