45
9
REFRIGERANT SYSTEM DIAGRAM
PLA-P1.6KA.UK / PU-P1.6VGA
PLA-P2KA.UK /
PU-P2VGA
PLA-P2.5KA.UK / PU-P2.5VGA
1
Indoor unit
Refrigerant pipe
15.88
mm
( 5/8")
(with heat insulator)
Flexible tube
Ball valve
Strainer
Service
port
Service
port
High pressure
switch
Outdoor unit
Strainer
Strainer
Compressor
Accumulator
Drier
Ball valve
(with service port)
Refrigerant pipe
9.52
mm
( 3/8")
(with heat insulator)
Distributor
with
strainer
Distributor
with
strainer
Thermistor
(TH1)
Thermistor
(TH5)
Thermistor
(TH4)
Thermistor
(TH6)
Thermistor
(TH3)
Thermistor
(TH2)
Strainer
Flared
connection
Refrigerant flow in cooling
Linear
expansion
valve
PLA-P1.6KA.UK / PUH-P1.6VGA, PUH-P1.6YGA
PLA-P2KA.UK /
PUH-P2VGA,
PUH-P2YGA
PLA-P2.5KA.UK / PUH-P2.5VGA
1
, PUH-P2.5YGA
1
Indoor unit
Refrigerant pipe
15.88
mm
( 5/8")
(with heat insulator)
Flexible tube
Ball valve
Strainer
4-way valve
Muffler
Service
port
Service
port
High pressure
switch
Outdoor unit
Strainer
Strainer
Compressor
Accumulator
Drier
Ball valve
(with service port)
Refrigerant pipe
9.52
mm
( 3/8")
(with heat insulator)
Distributor
with
strainer
Distributor
with
strainer
Thermistor
(TH1)
Thermistor
(TH5)
Thermistor
(TH4)
Thermistor
(TH6)
Thermistor
(TH3)
Thermistor
(TH2)
Strainer
Flared
connection
<4-way valve solenoid coil>
Heating ON
Cooling OFF
Refrigerant flow in cooling
Refrigerant flow in heating
Linear
expansion
valve
Unit : mm
OC240-B--2.qxp 04.9.29 3:31 PM Page 45