-
121
-
Models 402, 502, 602
(
(
Indoor unit
Indoor unit
Outdoor unit
Thermistor
(Th
I
-R2)
Flare connecting
Diameter joint
of different
(15~25 only)
Flare connecting
Thermistor
(Th
I
-R1)
Thermistor
(Th
O
-D)
Thermistor
(Th
O
-S)
Thermistor
(Th
O
-A)
Cooling cycle
Heating cycle
Thermistor
(Th
O
-R)
Receiver
Service valve
(Flare connecting)
Electronic
expansion
valve
(heating)(SM2)
Electronic
expansion
valve
(cooling)
(SM1)
Thermistor
(Th
I
-A)
Heat exchanger
Heat exchanger
High pressure
switch
63H1
Lower pressure sensor
(LPT)
Strainer
Strainer
Strainer
Strainer
Oil
separator
Capitaly
tube
Sub-cooling
coil
Strainer
Liquid line
(
φ
9.52)
Gas line
(
φ
15.88)
Gas branch pipe
Liquid
branch pipe
(
φ
9.52)
(
φ
6.35)
20:
φ
12.7
25, 30:
φ
15.88
Service valve
(Flare connecting)
4way valve
(Suction)
Muffler
(Discharge)
Compressor
Check joint
Check joint
Check joint
Accumlator
Check
valve
(2) Twin
type
Model 302
Indoor unit
Cooling cycle
Heating cycle
Thermistor
(Th
I
-R2)
Thermistor
(Th
I
-R1)
Thermistor
(Th
O
-D)
Thermistor
(Th
O
-S)
Thermistor
(Th
O
-A)
Service valve
(Flare connecting)
Service valve
(Flare connecting)
High pressure
switch
Low pressure
sensor
(63H1)
(PSL)
(SV1)
Thermistor
(Th
O
-R)
(EEVH)
Thermistor
(Th
I
-A)
Heat exchanger
Flare connecting
Flare connecting
Diameter joint
of different
Heat
exchanger
Solenoid
valve
Strainer
Strainer
Liquid line
(
φ
9.52)
(
φ
6.35)
Gas line
Gas branch
pipe
Liquid branch
pipe
(
φ
15.88)
(
φ
12.7)
4way valve
Muffler
Muffler
Compressor
Compressor
accumlator
Check joint
Check joint
Check valve
Indoor unit
Outdoor unit
Electronic
expansion valve
Electronic
expansion valve
(EEVC)
Strainer
Strainer
Receiver
