Service manual

18
9
REFRIGERANT SYSTEM DIAGRAM
Outdoor unit
Refrigerant pipe
(Option)
5/8
(with heat insulator)
Outdoor
heat
exchanger
Refrigerant pipe
(Option)
3/8
(with heat insulator)
Flexible tube
Flared connection
Ball valve
Fusible
plug
High
Pressure
Switch
Outdoor coil
thermistor
TH3
Ball valve
Flow of refrigerant
(with service port)
Flared connection
Accumulator
Compressor
Charge
plug
Check
plug
Strainer
Capillary tube
For PU12EK ({0.126✕{0.071✕ 31.5)
Capillary tube size (O.D.✕ I.D.✕ Length)
For PU24EK, PU24EK
1, PU24EK2, PU24EK3({0.126✕{0.063✕ 17.3) ✕ 2 sets
For PU18EK, PU18EK
1({0.126✕{0.063✕ 31.5) ✕ 2 sets
Outdoor unit
Refrigerant pipe
(Option)
3/4
(with heat insulator)
Outdoor
heat
exchanger
Refrigerant pipe
(Option)
1/2
(with heat insulator)
Flexible tube
Flared connection
Ball valve
Fusible
plug
High
Pressure
Switch
Outdoor coil
thermistor
TH3
Ball valve
Flow of refrigerant
(with service port)
Flared connection
Accumulator
Compressor
Charge
plug
Check
plug
Strainer
Capillary tube
For PU30EK, PU30EK1, PU30EK2, PU30EK3 ({0.157✕{0.079✕ 29.1) ✕ 2 sets
Capillary tube size (O.D.✕ I.D.✕ Length)
NOTE :The symbol indicates the diameter.
For PU36EK, PU36EK1, PU36EK2, PU36EK3 ({0.157✕{0.079✕ 17.7) ✕ 2 sets
For PU42EK2, PU42EK2
1({0.157✕{0.079✕ 7.1) ✕ 2 sets
For PU42EK7, PU42EK7
1, PU42EK72({0.157✕{0.079✕ 21.7) ✕ 2 sets
PU12EK PU18EK PU24EK
PU18EK1 PU24EK1
PU24EK2
PU24EK3
PU30EK PU36EK PU42EK2 PU42EK7
PU30EK1 PU36EK1 PU42EK21 PU42EK71
PU30EK2 PU36EK2 PU42EK72
PU30EK3 PU36EK3
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