Table of Contents
9
REFRIGERANT SYSTEM DIAGRAM
PLH-P3AAH.UK / PUH-P3VGA, PUH-P3YGA
Indoor unit
Thermistor
(TH1)
Thermistor
(TH5)
Distributor
with
strainer
Thermistor
(TH2)
PLH-P4AAH.UK / PUH-P4YGA
Indoor unit
Thermistor
(TH1)
Thermistor
(TH5)
Distributor
with
strainer
Thermistor
(TH2)
PLH-P5AAH.UK / PUH-P5YGA
PLH-P6AAH.UK / PUH-P6YGA
Indoor unit
Thermistor
(TH1)
Thermistor
(TH5)
Distributor
with
strainer
Thermistor
(TH2)
Refrigerant pipe
15.88
(
5/8")
mm
(with heat insulator)
Flexible tube
Flared
Strainer
connection
Refrigerant pipe
Ball valve
9.52
(
3/8")
(with service port)
mm
(with heat insulator)
Refrigerant pipe
19.05
(
3/4")
mm
Ball valve
(with heat insulator)
Flexible tube
Flared
Strainer
connection
Ball valve
Refrigerant pipe
(with service port)
9.52
( 3/8")
mm
(with heat insulator)
Refrigerant pipe
19.05
(
3/4")
mm
Ball valve
(with heat insulator)
Flexible tube
Capillary
tube
Flared
Strainer
connection
Bypass
valve
Ball valve
Refrigerant pipe
(with service port)
9.52
( 3/8")
mm
(with heat insulator)
45
Refrigerant flow in cooling
Refrigerant flow in heating
High pressure
4-way valve
switch
Ball valve
Strainer
Service
port
Accumulator
Compressor
Drier
High pressure
switch
4-way valve
Strainer
Service
port
Compressor
Accumulator
Drier
Strainer
Linear expansion valve
High pressure
switch
4-way valve
Strainer
Service
Low
port
pressure
switch
Compressor
Accumulator
Strainer
Linear expansion valve
Unit : mm(inch)
<4-way valve solenoid coil>
Heating ON
Cooling OFF
Outdoor unit
Thermistor
(TH6)
Service
port
Muffler
Thermistor
(TH4)
Strainer
Strainer
Linear expansion valve
Outdoor unit
Thermistor
(TH6)
Service
port
Muffler
Thermistor
(TH4)
Thermistor
(TH3)
Strainer
Outdoor unit
Thermistor
(TH6)
Service
port
Muffler
Thermistor
(TH4)
Thermistor
(TH3)
Drier
Strainer
Thermistor
(TH3)
Distributor
with
strainer
Distributor
with
strainer
Capillary
tube
Distributor
with
strainer
Capillary
tube
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