32
REFRIGERANT SYSTEM DIAGRAM
7
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
Outdoor unit
Outdoor heat exchanger
Thermistor
RT
Capillary
tube
Restrictor
valve
O.D.4.0
o
I.D.2.4 -
L
1070
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
Thermistor
TH2
Strainer
Flared
connection
Refrigerant flow in cooling
Refrigerant flow in heating
<R.V.coil>
Heating ON
Cooling OFF
Unit : mm
O.D.4.0
o
I.D.2.0 - L200
PLH-3AAK(H)/ PUH-3VKA.TH · PUH-3VKA
2
.TH-A
PUH-3YKA.TH · PUH-3YKA
1
.TH-A
PLH-3AAK/PUH-3NKA.TH
PLH-4AAK(H)/PUH-4YKSA.TH · PUH-4YKSA
1
.TH-A
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
(check)
High pressure
control switch
Outdoor unit
Outdoor heat exchanger
Thermistor
RT
Capillary
tube
Restrictor
valve
Strainer
Capillary tube
Bypass
valve Muffler
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
Thermistor
TH2
Strainer
Flared
connection
O.D.4.0
✕
I.D.2.0 - L200
Service
port
(check)
O.D. 3.2
✕
I.D. 1.2 - L1250
O.D. 4.0
✕
I.D. 2.4
- L600
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
Outdoor unit
Outdoor heat exchanger
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
Thermistor
TH2
Strainer
Flared
connection
O.D. 4.0
o
I.D. 2.0 - L 250
(O.D. 3.2
o
I.D. 2.0 - L 820)
o
2
High pressure
switch
OC360--2.qxp 06.2.24 1:55 PM Page 32
