Mitsubishi PLA-A12BA Technical Data Book page 42

6-2. OUTDOOR UNIT
PUZ-A18NHA3(-BS)
Stop valve
(with service port)
Refrigerant GAS pipe
12.7A({1/2)
Refrigerant LIQUID pipe
6.35A({1/4)
PUZ-A24NHA3(-BS) PUZ-A30NHA3(-BS) PUZ-A36NHA3(-BS)
Refrigerant GAS pipe
15.88A({5/8)
Refrigerant LIQUID pipe
9.52A({3/8)
PUZ-A42NHA3(-BS)
Refrigerant GAS pipe
15.88A({5/8)
Strainer
Refrigerant LIQUID pipe
9.52A({3/8)
(with service port)
42
High pressure
protect switch
4-way valve
(#50)
Strainer
Accumulator
Compressor
Stop valve
Bypass valve
Ball valve
4-way valve
(#50)
Strainer
Service
port
Muffler
(check)
Accumulator
Compressor
Stop valve
(with service port)
Low pressure protect
switch
Ball valve 4-way
valve
(#50)
Strainer
Service
port
(check)
(#100)
Accumulator
Compressor
Strainer
(#100)
Stop valve
Linear expansion valve
Service
port(check)
Outdoor heat exchanger
Thermistor
(TH6)
Muffler
Thermistor
(TH3)
Thermistor
(TH32)
(#100) (#100)
Strainer Strainer
Linear expansion valve
Service
High pressure
port protect switch
(check)
Outdoor heat exchanger
Thermistor
(TH32)
(#100) (#100)
Strainer Strainer
Linear expansion valve
Service port
(check)
High pressure protect switch
Outdoor heat exchanger
Thermistor
(TH6)
Thermistor
Muffler (TH3)
Thermistor
(TH4)
Strainer
(#100)
<4-way valve solenoid coil>
Heating : ON
Cooling : OFF
Distributor
Refrigerant flow in cooling
Refrigerant flow in heating
Thermistor
(TH6)
Thermistor
(TH3)
Distributor
Refrigerant flow in cooling
Refrigerant flow in heating
Distributor
Refrigerant flow in cooling
Refrigerant flow in heating
Unit: mm (inch)