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11. Refrigeration Pipe Work
11.1. MPC and 3PC Single-Zone Refrigerant Cycle Diagram
LIQUID SIDE
GAS SIDE
Indoor Coil
Compressor
2-WAY VALVE
3-WAY VALVE
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
T1 Room temp.
sensor
T3 Condenser
temp. sensor
T5 Discharge
temp. sensor
T4 Ambient
temp. sensor
R
O
O
D
T
U
O
R
O
O
D
N
I
Electronic
expansion valve
CAPILIARY TUBE
Accumulator
CAPILIARY TUBE
Outdoor Coil
11.2. MPC Two-Zone Refrigerant Cycle Diagram
LIQUID VALVE A
GAS VALVE A
Indoor Coil
Compressor
Outdoor Coil
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T5 Discharge
temp. sensor
T4 Ambient
temp. sensor
INDOOR
OUTDOOR
EXV A CAPILIARY A
CHECK VALVE
CAPILIARY TUBE
EXV B CAPILIARY B
LIQUID VALVE B
GAS VALVE B
Accumulator
T2B-A
Evaporator
temp. sensor outlet
T2B-B