Mpc Five-Zone Refrigerant Cycle Diagram - Lennox MMA018SM4 Service Manual

8.5. MPC Five-Zone Refrigerant Cycle Diagram

INDOOR
T1 Room
Indoor Coil
temp. sensor
T2 Evaporator
temp. sensor
EXV A CAPILIARY A
LIQUID VALVE A
EXV B CAPILIARY B
LIQUID VALVE B
EXV C CAPILIARY C
LIQUID VALVE C
EXV D CAPILIARY D
LIQUID VALVE D
EXV E CAPILIARY E
LIQUID VALVE E
GAS VALVE A
GAS VALVE B
GAS VALVE C
GAS VALVE D Accumulator
GAS VALVE E
51
OUTDOOR
CHECK VALVE
CAPILIARY TUBE
4-WAY VALVE
High pressure
switch
T5 Discharge
Low pressure temp. sensor
switch
Compressor
T3
Condenser
temp. sensor
T4 Ambient Outdoor Coil
temp. sensor
COOLING
HEATING