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3.
Refrigerant Cycle Diagram
3.1 Refrigeration circuit drawing of M2OF-18HFN1-M, M2OA-18HFN1-M
INDOOR
HEAT
EXCHANGE
(EVAPORATOR)
T2 Evaporator
temp. sensor
middle
3.2 Refrigeration circuit drawing of M2OH-18HFN1-M, M2OI-18HFN1-M
INDOOR
HEAT
EXCHANGE
(EVAPORATOR)
T2 Evaporator
temp. sensor
middle
LIQUID VALVE A
LIQUID VALVE B
T1 Room
temp. sensor
GAS VALVE A
GAS VALVE B
LIQUID VALVE A
LIQUID VALVE B
T1 Room
temp. sensor
GAS VALVE A
GAS VALVE B
OUTDOOR
EXV A
EXV B
T2B-A
Evaporator
temp. sensor outlet
T2B-B
Accumulator
T2B-C
T5 Discharge
Low pressure
temp. sensor
switch
Compressor
OUTDOOR
EXV A
EXV B
T2B-A
Evaporator
temp. sensor outlet
T2B-B
Accumulator
T2B-C
T5 Discharge
Low pressure
temp. sensor
switch
Compressor
10
CAPILLARY TUBE
T3
Condenser
temp. sensor
HEAT
T4 Ambient
EXCHANGE
temp. sensor
(CONDENSER)
4-WAY VALVE
COOLING
High pressure
HEATING
switch
CAPILLARY TUBE
T3
Condenser
temp. sensor
HEAT
T4 Ambient
EXCHANGE
temp. sensor
(CONDENSER)
4-WAY VALVE
COOLING
High pressure
HEATING
switch
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