Carrier 38MGR Series Service Manual page 23

REFRIGERATION CYCLE DIAGRAMS (CONT)
N I D O
HEAT
EXCHANGE
(EVAPORATOR)
T2 Evaporator
temp. sensor
middle
N I D O
HEAT
EXCHANGE
(EVAPORATOR)
T2 Evaporator
temp. sensor
38MGR-04SM
O R
LIQUID VALVE A
LIQUID VALVE B
LIQUID VALVE C
LIQUID VALVE D
T1 Room
temp. sensor
GAS VALVE A
GAS VALVE B
GAS VALVE C
GAS VALVE D
Fig. 21 — Sizes 30K and 36K
O R
LIQUID VALVE A
LIQUID VALVE B
LIQUID VALVE C
LIQUID VALVE D
LIQUID VALVE E
T1 Room
temp. sensor
GAS VALVE A
GAS VALVE B
GAS VALVE C
GAS VALVE D
GAS VALVE E
Fig. 22 — Size 48K
Specifications subject to change without notice.
O U T D O
EXV A CAPILIARY A
EXV B CAPILIARY B
CHECK VALVE
EXV C CAPILIARY C
EXV D CAPILIARY D
CAPILIARY TUBE
T2B-A Evaporator
temp. sensor outlet
T2B-B
4-WAY VALVE
T2B-C
Accumulator
High pressure
switch
T2B-D
T5 Discharge
Low pressure temp. sensor
switch
Compressor
O U T D O O
EXV A CAPILIARY A
EXV B CAPILIARY B
EXV C CAPILIARY C
CHECK VALVE
EXV D CAPILIARY D
CAPILIARY TUBE
EXV E CAPILIARY E
4-WAY VALVE
High pressure
Accumulator
switch
T5 Discharge
Low pressure temp. sensor
switch
Compressor
O R
T3
Condenser
temp. sensor
HEAT
T4 Ambient
EXCHANGE
temp. sensor
(CONDENSER)
COOLING
HEATING
R
T3
Condenser
temp. sensor
HEAT
T4 Ambient
EXCHANGE
temp. sensor
(CONDENSER)
COOLING
HEATING
23