-
119
-
1.2.6 Piping
system
(1) Single
type
Models 152, 202, 252
Indoor unit
Outdoor unit
Thermistor
(Th
I
-R2)
Thermistor
(Th
I
-R1)
Thermistor
(Th
O
-D)
Thermistor
(Th
O
-A)
Receiver
(Cooling)
Receiver
(Heating)
Service valve
(Flare connecting)
Thermistor
(Th
O
-R)
Electronic expansion valve
(EEV)
Thermistor
(Th
I
-A)
Heat exchanger
Heat exchanger
Strainer
Strainer
Liquid line
(
φ
6.35)
Gas line
15, 20:
φ
12.7
25:
φ
15.88
Service valve
(Flare connecting)
Cooling cycle
Heating cycle
4way valve
Suction
Muffler
Muffler
Discharge
Compressor
Check joint
Check joint
(
(
Model 302
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)
(SM2)
Thermistor
(Th
I
-A)
Heat exchanger
Heat
exchanger
Solenoid
valve
Strainer
Strainer
Strainer
Strainer
Liquid line
(
φ
9.52)
Gas line
(
φ
15.88)
4way valve
Muffler
Muffler
Compressor
Compressor
accumlator
Check joint
Check joint
Check valve
Indoor unit
Outdoor unit
Electronic
expansion valve
Electronic
expansion valve
(SM1)
Strainer
Strainer
Receiver