LG Single "A" - Page 47

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Part 3 Control logic
8.3 Steady state control
• Cycle diagram
• P-h diagram
T out
T in
Reversing valve
High
Pressure
Switch
T suc
LEV (Linear Expansion Valve)
T air
T air
T pipe
T dis
Compressor
Heat Exchager Heat Exchager
Cooling mode Heating mode
T out Evaporator outlet Condenser inlet
T in Evaporator inlet Condenser outlet
T pipe Condenser out Evaporator inlet
T suc Compressor suction Compressor suction
T disp Compressor discharge Compressor discharge