Service manual

31
6
REFRIGERANT SYSTEM DIAGRAM
Indoor unit
Indoor
heat
exchanger
Refrigerant pipe
(option)
15.88
mm( 5/8")
(with heat insulator)
Flexible tube
Ball valve
Strainer
4-way valve
Oil separator
Service
port
Service
port
High pressure
control switch
High pressure
protect switch
Outdoor unit
Outdoor heat exchanger
Outdoor
coil
thermistor
(RT)
Capillary
tube
Restrictor
valve
Strainer
Bypass
valve
Compressor
Accumulator
Ball valve
(with service port)
Refrigerant pipe
(option)
9.52
mm( 3/8")
(with heat insulator)
Capillary
tube
Restrictor
valve
Distributor
with
strainer
Indoor coil
thermistor
RT2
Indoor coil
thermistor
RT2
Indoor coil
thermistor
RT2
Strainer
Flared
connection
<R.V.coil>
Heating ON
Cooling OFF
High pressure
protect switch
High pressure
protect switch
PCH-2 (O.D.3.2 ✕ I.D.1.6 ✕ 230)
PCH-2.5 (O.D.3.2 ✕ I.D.1.8 ✕ 430)
PCH-3 (O.D.4.0 ✕ I.D.2.0 ✕ 280)
Indoor unit
Indoor
heat
exchanger
Refrigerant pipe
(option)
19.05
mm( 3/4")
(with heat insulator)
Flexible tube
Ball valve
Strainer
4-way valve
Oil separator
Service
port
Service
port
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Capillary
tube
Restrictor
valve
Strainer
Bypass
valve
Compressor
Accumulator
Ball valve
(with service port)
Refrigerant pipe
(option)
9.52
mm( 3/8")
(with heat insulator)
Capillary
tube
Restrictor
valve
Distributor
with
strainer
Strainer
Flared
connection
(O.D.3.2 ✕ I.D.2.0✕ 820) ✕ 2
(O.D.4.0 ✕ I.D.2.0 ✕ 350)
Indoor unit
Indoor
heat
exchanger
Refrigerant pipe
(option)
19.05
mm( 3/4")
(with heat insulator)
Flexible tube
Ball valve
Strainer
4-way valve
Oil
separator
Service
port
Service
port
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Capillary
tube
Restrictor
valve
Strainer
Bypass
valve
Compressor
Accumulator
Ball valve
(with service port)
Refrigerant pipe
(option)
9.52
mm( 3/8")
(with heat insulator)
Capillary
tube
Distributor
with
strainer
Strainer
Flared
connection
PCH-5 (O.D.4.0 ✕ I.D.2.4 ✕ 270)
Capillary tube
PUH-5 (O.D.4.0 ✕ I.D.2.4 ✕ 840)✕ 2
PUH-6 (O.D.4.0 ✕ I.D.2.4 ✕ 1200)✕ 2
PCH-6 (O.D.4.0 ✕ I.D.3.0 ✕ 300)
Restrictor valve
Refrigerant flow in cooling
Refrigerant flow in heating
Unit : mm
PUH-2 (O.D.4.0 ✕ I.D.2.0 ✕ 430)
PUH-2.5 (O.D.4.0 ✕ I.D.2.4 ✕ 1550)
PUH-3 (O.D.4.0 ✕ I.D.2.4 ✕ 1070)
Outdoor
coil
thermistor
(RT)
Outdoor
coil
thermistor
(RT)
PCH-2GKA-E/PUH-2VKA2.UK
PCH-2.5GKA-E/PUH-2.5VKA2.UK
PCH-3GKA-E/PUH-3VKA2.UK,PUH-3YKA2.UK
PCH-4GKSA-E/PUH-4YKSA2.UK
PCH-5GKSA-E/PUH-5YKSA
2.UK
PCH-6GKSA-E/PUH-6YKSA2.UK