Mitsubishi Electric PLA-A·BA4 Technical Data Manual page 42

6-2. OUTDOOR UNIT
PUZ-A18NHA4R1(-BS)
Stop valve
(with service port)
Refrigerant GAS pipe
12.7mm(Φ1/2)
Refrigerant LIQUID pipe
6.35mm(Φ1/4)
PUZ-A24NHA4(-BS) PUZ-A30NHA4(-BS) PUZ-A36NHA4(-BS)
Refrigerant GAS pipe
15.88mm(Φ5/8)
Refrigerant LIQUID pipe
9.52mm(Φ3/8)
PUZ-A42NHA5(-BS)
Refrigerant GAS pipe
15.88 ( 5/8)
Refrigerant LIQUID pipe
9.52 ( 3/8)
42
High pressure
protect switch
4-way valve
(#50)
Strainer
Accumulator
Compressor
Stop valve
Service
Bypass valve
port
(check)
Ball valve
4-way valve
(#50)
Strainer
Service
port
Muffler
(check)
Accumulator
Compressor
Stop valve
(with service port)
Ball valve 4-way
valve
(#50)
Strainer
Service port
(check)
Strainer
(#100)
Accumulator
Stop valve
(with service port)
Service
port(check)
Outdoor heat exchanger
Thermistor
(TH6)
Muffler
Thermistor
(TH3)
Thermistor
(TH32)
(#100) (#100)
Strainer Strainer
Linear expansion valve
High pressure
protect switch
Outdoor heat exchanger
Thermistor
(TH6)
Thermistor
(TH3)
Thermistor
(TH32)
(#100) (#100)
Strainer Strainer
Linear expansion valve
Service port
(check)
High pressure protect switch
Outdoor heat exchanger
Muffler
Thermistor
(TH32)
Compressor
Strainer Strainer
(#100) (#100)
Linear expansion valve
Refrigerant flow in cooling
Refrigerant flow in heating
<4-way valve solenoid coil>
Heating : ON
Cooling : OFF
Distributor
Refrigerant flow in cooling
Refrigerant flow in heating
Distributor
Refrigerant flow in cooling
Refrigerant flow in heating
Thermistor
(TH6)
Thermistor
(TH3)
Distributor
Unit: mm (inch)