Carrier 42QHF009DS Service Manual page 26

INDOOR
HEAT
EXCHANGE
T1 Room
(EVAPORATOR)
temp. sensor
T2 Evaporator
temp. sensor
middle
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
T2B-A
Evaporator
temp. sensor outlet
GAS VALVE A
T2B-B
GAS VALVE B
T2B-C
Accumulator
GAS VALVE C
T2B-D
GAS VALVE D
Low pressure
switch
26 / 78
OUTDOOR
CHECK VALVE
CAPILIARY TUBE
T4 Ambient
temp. sensor
4-WAY VALVE
High pressure
switch
T5 Discharge
temp. sensor
Compressor
T3
Condenser
temp. sensor
HEAT
EXCHANGE
(CONDENSER)
COOLING
HEATING