Engineering Manual

50
6-2. OUTDOOR UNIT
PUZ-A24NHA7 PUZ-A30NHA7 PUZ-A36NKA7 PUZ-A42NKA7
PUZ-A24NHA7-BS PUZ-A30NHA7-BS PUZ-A36NKA7-BS PUZ-A42NKA7-BS
Distributor
Thermistor TH7
(Outdoor)
Heat exchanger
Refrigerant LIQUID pipe
Stop valve
(with service port)
Strainer
#100
Power
receiver
Linear
expansion valve B
Linear expansion valve A
Strainer
#100
Thermistor TH6
(Outdoor 2-phase pipe)
Thermistor TH3
(Outdoor pipe)
High pressure
switch 63H
Thermistor TH4
(Discharge)
Thermistor TH33
(Comp. surface)
Compressor
Strainer
#50
Strainer
#100
Strainer
#100
4-way valve
Muffler
Charge plug
(Low pressure)
Charge plug
(High pressure)
Stop valve
Refrigerant GAS pipe
[5/8 [15.88 mm]
Refrigerant flow in cooling
Refrigerant flow in heating
Thermistor TH32
(Suction)
[3/8 [9.52 mm]
Refrigerant flow in cooling
Refrigerant flow in heating
Thermistor TH7
(Outdoor)
Heat exchanger
Refrigerant GAS pipe
[1/2 [12.7 mm]
Refrigerant LIQUID pipe
[1/4 [6.35 mm]
Stop valve
Strainer
#100
Strainer
#100
Power
receiver
Linear
expansion valve B
Thermistor TH6
(Outdoor 2-phase pipe)
Thermistor TH3
(Outdoor pipe)
Charge plug
High pressure
switch 63H
Thermistor TH4
(Discharge)
Thermistor TH33
(Comp. surface)
Compressor
Strainer
#50
4-way valve
Muffler
Distributor
Linear expansion valve A
Strainer
#100
Stop valve
(with service port)
Thermistor TH32
(Suction)
<4-way valve solenoid coil>
Heating: ON
Cooling: OFF
PUZ-A12NKA7 PUZ-A18NKA7
PUZ-A12NKA7-BS PUZ-A18NKA7-BS
Unit: inch [mm]