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9
REFRIGERANT SYSTEM DIAGRAM
Refrigerant flow in cooling
Refrigerant flow in heating
Indoor unit
Refrigerant pipe
15.88mm( 5/8")
(with heat insulator)
Refrigerant pipe
9.52mm( 3/8")
(with heat insulator)
Flexible tube
Flared
connection
Ball valve
Ball valve
(with Service port)
4-way valve
Service
port
Service
port
High pressure
protect switch
Accumulator
Compressor
Linear expansion valve
Strainer
Outdoor heat exchanger
Strainer
Outdoor unit
Strainer
Drier
Thermistor
(TH4)
Thermistor
(TH6)
Thermistor
(TH3)
Muffler
Strainer
Thermistor
(TH1)
Thermistor
(TH5)
Thermistor
(TH2)
Distributor
with
strainer
Distributor
with
strainer
PKH-P2.5FALH, PKA-P2.5FAL / PUH-P2.5VGA, PUH-P2.5YGA, PUH-P2.5VGA
1
, PUH-P2.5YGA
1
PKH-P2.5FALH
1
, PKA-P2.5FAL
1
/ PUH-P2.5VGA, PUH-P2.5YGA, PUH-P2.5VGA
1
, PUH-P2.5YGA
1
PKH-P2.5FALH
2
,PKA-P2.5FAL
2
/ PUH-P2.5VGAA.UK, PUH-P2.5YGAA.UK
PKH-P3FALH,
PKA-P3FAL
/ PUH-P3VGA, PUH-P3YGA
PKH-P3FALH
1
, PKA-P3FAL
1
/ PUH-P3VGA, PUH-P3YGA
PKH-P3FALH
2
, PKA-P3FAL
2
/ PUH-P3VGAA.UK, PUH-P3YGAA.UK
Unit : mm
PKH-P4FALH,
PKA-P4FAL
/ PUH-P4YGA
PKH-P4FALH
1
, PKA-P4FAL
1
/ PUH-P4YGA
PKH-P4FALH
2
, PKA-P4FAL
2
/ PUH-P4VGAA.UK, PUH-P4YGAA.UK
Indoor unit
Refrigerant pipe
19.05mm( 3/4")
(with heat insulator)
Refrigerant pipe
9.52mm( 3/8")
(with heat insulator)
Flexible tube
Flared
connection
Ball valve
Ball valve
(with Service port)
4-way valve
Service
port
Service
port
High pressure
protect switch
Accumulator
Compressor
Linear expansion valve
Strainer
Outdoor heat exchanger
Strainer
Outdoor unit
Strainer
Drier
Thermistor
(TH4)
Thermistor
(TH6)
Thermistor
(TH3)
Muffler
Strainer
Thermistor
(TH1)
Thermistor
(TH5)
Thermistor
(TH2)
Distributor
with
strainer
Distributor
with
strainer
Capillary
tube
<4-Way valve solenoid coil>
Heating ON
Cooling OFF
OC175B--2.qxp 01.10.2 3:12 PM Page 45