22
REFRIGERANT SYSTEM DIAGRAM
6
INDOOR UNIT
OUTDOOR UNIT
Refrigerant flow
Outdoor heat
exchanger
Ball valve
(with service port)
Flared
connection
Flexible tube
Compressor
Capillary tube size
Capillary
tube
Capillary tube for
injection
Flared
connection
Low pressure
switch
High pressure
switch
Thermal switch
(Only PU-4VLJSA)
Refrigerant pipe
15.88 (5/8)
(With insulator) option
Refrigerant pipe
9.52 (3/8)
Strainer
PC-2.5/3GAKD
PC-4GAKD Refrigerant pipe
19.05 (3/4)
Ball
valve
Check
plug
Charge
plug
Accumulator
Only PU-2.5
PU-3NJA
PU-4YJSA,
4TJSA
PU-2.5 (O.D.3.2
o
I.D.1.6 –
R
760)
o
2pcs
PU-3NJA (O.D.3.2
o
I.D.1.8 –
R
800)
o
2pcs
PU-4YJSA, 4VLJSA, 4TJSA
PU-3VAKR, PU-4VAKR
}
w
w
Indoor heat
exchanger
Distributor
with
strainer
Indoor coil
thermistor
TH2
(O.D.3.2
o
I.D.2.0 –
R
840)
o
2pcs
Refrigerant flow
INDOOR UNIT
OUTDOOR UNIT
Outdoor heat
exchanger
(With insulator) option
Ball valve
(with service port)
Flared
connection
Flexible tube
Compressor
Capillary tube
for injection
Flared
connection
Low pressure
switch
High
pressure
switch
Refrigerant pipe
15.88 (5/8)
(With insulator) option
Refrigerant pipe
9.52 (3/8)
Strainer
Ball
valve
Check
plug
Charge
plug
Accumulator
O.D.4 I.D.2 –
R
430
Indoor heat
exchanger
Distributor
with
strainer
Indoor coil
thermistor
TH2
PC-2.5GAKD, PC-3GAKD, PC-4GAKD /
PU-2.5NJA.TH, PU-2.5VJA
1
.TH, PU-3NJA.TH
,
PU-3VAKR.TH
PU-4TJSA.TH, PU-4YJSA
1
.TH, PU-4VLJSA
2
.TH
,
PU-4VAKR.TH
PC-2GAKD / PU-2NJA.TH, PU-2VJA
1
.TH
Unit : mm(inch)
OC382B--1.qxp 08.2.19 8:29 AM Page 22
