19
PEH-2.5EKHA
2
.TH/PUH-2.5 VKA
2
(.UK)
PEH-3EKHA
2
.TH/PUH-3 VKA
2
(.UK)
PUH-3 YKA
2
(.UK)
Outdoor unit
Outdoor unit
Outdoor unit
Indoor
heat
exchanger
Thermistor
TH2
Distributor
with strainer
Capillary
tube
Capillary
tube
Restrictor
valve
Restrictor
valve
Strainer
Strainer
Strainer
4-way valve
Oil separator
Flared
connection
Flexible tube
(option)
15.88mm( 5/8¨)
(With heat insulator)
Refrigerant pipe
(option)
9.52 mm( 3/8¨)
(With heat insulator)
Refrigerant pipe
Ball Valve
Service
port
Service
port
High pressure
control switch
Ball Valve
(with service port)
Accumulator
Outdoor heat exchanger
Bypass valve
Thermistor
RT
Compressor
PEH-2.5 (O.D. 3.2
✕
I.D. 1.8 -
R
430)
PEH-3 (O.D. 4.2
✕
I.D. 2.0 -
R
400)
PUH-2.5
(O.D. 4.0
✕
I.D.2.4 -
R
1550)
PUH-3
(O.D. 4.0
✕
I.D.2.4 -
R
1070)
Refrigerant flow in cooling
R.V.coil
Heating:ON
Cooling:OFF
Refrigerant flow in heating
PEH-4EKHSA
2
.TH/PUH-4YKSA
3
(
2
.UK)
Indoor
heat
exchanger
Thermistor
TH2
Distributor
with strainer
Capillary
tube
Capillary
tube
Restrictor
valve
Restrictor
valve
Strainer
Strainer
Strainer
4-way valve
Oil separator
Flared
connection
Flexible tube
Flexible tube
(option)
19.05mm( 3/4¨)
(With heat insulator)
Refrigerant pipe
(option)
9.52 mm( 3/8¨)
(With heat insulator)
Refrigerant pipe
Ball Valve
Service
port
Service
port
High pressure
control switch
Ball Valve
(with service port)
Accumulator
Outdoor heat exchanger
Bypass valve
Thermistor
RT
Compressor
PEH-4 (O.D. 4.0
✕
I.D. 2.4 -
R
550)
PUH-4
(O.D. 3.2
✕
I.D. 2.0
-
R
820)
✕
2pcs
PEH-5EKHSA
2
.TH/PUH-5YKSA
3
(
2
.UK)
Indoor unit
Indoor unit
Indoor unit
Indoor
heat
exchanger
Thermistor
TH2
Distributor
with strainer
Capillary
tube
Capillary
tube
Restrictor
valve
Restrictor
valve
Strainer
Strainer
Strainer
THERMAL
SWITCH
4-way valve
Oil separator
Flared
connection
Flexible tube
Flexible tube
(option)
19.05mm( 3/4¨)
(With heat insulator)
Refrigerant pipe
(option)
9.52 mm( 3/8¨)
(With heat insulator)
Refrigerant pipe
Ball Valve
Service
port
(check)
Service
port
High pressure
control switch
Ball Valve
(with service port)
Accumulator
Outdoor heat exchanger
Bypass valve
Capillary tube
Thermistor
RT
Compressor
PEH-5 (O.D. 4.0
✕
I.D. 3.0 -
R
330)
PUH-5
(O.D. 4.0
✕
I.D. 2.4
-
R
840)
✕
2pcs
7
REFRIGERANT SYSTEM DIAGRAM
Unit : mm