Refrigerant System Diagram - Mitsubishi Electric PUZ-A18NHA Service Manual

10

REFRIGERANT SYSTEM DIAGRAM

PUZ-A18NHA PUZ-A18NHA-BS
Stop valve
(with service port)
Refrigerant GAS pipe
12.7A({1/2")
Refrigerant LIQUID pipe
6.35A({1/4")
PUZ-A24/30/36NHA
Ball valve
Refrigerant GAS pipe
15.88A({5/8")
Accumulator
Refrigerant LIQUID pipe
9.52A({3/8")
PUZ-A42NHA PUZ-A42NHA-BS
Ball valve
Refrigerant GAS pipe
15.88A({5/8")
Strainer
(#100)
Refrigerant LIQUID pipe
9.52A({3/8")
Stop valve
(with service port)
High pressure
protect switch
4-way valve
(#50)
Strainer
Accumulator
Compressor
Stop valve
Refrigerant flow in cooling
Refrigerant flow in heating
PUZ-A24/30/36NHA-BS
Service
Bypass valve
port
(check)
4-way valve
(#50)
Strainer
Service
port
Muffler
Thermistor
(check)
(TH4)
Compressor
Stop valve
(with service port)
Refrigerant flow in cooling
Refrigerant flow in heating
Low pressure protect
switch
4-way
valve
(#50)
Strainer
Service
port
(check)
Accumulator
Compressor
Strainer
(#100)
Linear expansion valve
Refrigerant flow in cooling
Refrigerant flow in heating
Service
port(check)
Outdoor heat exchanger
Thermistor
(TH6)
Thermistor
(TH3)
Muffler
Distributor
Thermistor(TH4)
(#100) (#100)
Strainer Strainer
Linear expansion valve
High pressure
protect switch
Outdoor heat exchanger
Thermistor
(TH6)
Thermistor
(TH3)
Distributor
(#100) (#100)
Strainer Strainer
Linear expansion valve
Service
port
(check)
High pressure protect switch
Outdoor heat exchanger
Thermistor
(TH6)
Thermistor
Muffler (TH3)
Thermistor
Distributor
(TH4)
Strainer
(#100)
23
Unit : mm
<4-way valve solenoid coil>
Heating : ON
Cooling : OFF