Refrigeration Pipe Work; Mpa And Mpb Single-Zone Refrigerant Cycle Diagram; Mpa And Mpb Two-Zone Refrigerant Cycle Diagram - Lennox MPA009S4S Service Manual

7. Refrigeration Pipe Work

7.1.

MPA and MPB Single-Zone Refrigerant Cycle Diagram

Indoor Coil
T2 Evaporator
temp. sensor
7.2.

MPA and MPB Two-Zone Refrigerant Cycle Diagram

Indoor Coil
T2 Evaporator
temp. sensor
middle
N I D O O R
T1 Room temp.
sensor
INDOOR
LIQUID VALVE A
LIQUID VALVE B
T1 Room
temp. sensor
GAS VALVE A
GAS VALVE B
Electronic
CAPILIARY TUBE
expansion valve
LIQUID SIDE
2-WAY VALVE
GAS SIDE
3-WAY VALVE Accumulator
Compressor
EXV A CAPILIARY A
EXV B CAPILIARY B
T2B-A Evaporator
temp. sensor outlet
T2B-B
Accumulator
Compressor
41
O U T D O O R
CAPILIARY TUBE
T3 Condenser
temp. sensor
Outdoor Coil
T4 Ambient
temp. sensor
4-WAY VALVE
T5 Discharge
temp. sensor
COOLING
HEATING
OUTDOOR
CHECK VALVE
T3
Condenser
temp. sensor
CAPILIARY TUBE
T4 Ambient
temp. sensor
4-WAY VALVE
T5 Discharge
temp. sensor
COOLING
HEATING
Outdoor Coil