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42
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2.6 Piping system
(1)
Twin type
Models FDCA301HEN, 301HES, 401HEN, 401HES, 501HES, 601HES
Note (1) A FDEN type strainer only should be used for the indoor unit.
(2) If used in combination with 151~251 Series indoor units, make the fluid pipe size on the branch piping (branch to indoor unit) ø 9.52.
Models FDCA801HES, 1001HES
Note (1) A FDEN type strainer only should be used for the indoor unit.
Strainer
Strainer
Strainer
Strainer
Thermistor
Thermistor
Thermistor
(ThI-A)
(ThI-R2)
(ThI-R1)
Heat exchanger
Gas line
(ø15.88)
Gas branch
pipe
(ø15.88)
(ø9.52)
Branch pipe
(Brazing)
Branch pipe
(Brazing)
Flarc connecting
Flarc connecting
151,201:ø12.7
251~401:ø15.88
Indoor unit
Outdoor unit
Indoor unit
151,201:ø12.7
251~401:ø15.88
151~251:ø6.35
301,401:ø9.52
151~251:ø6.35
301,401:ø9.52
Liquid line
Check joint
Check joint
Service valve
(Flare connecting)
Service valve
(Flare connecting)
4way valve
High pressure switch
(63H1)
Muffler
Muffler
Thermistor
Thermistor
Thermistor
Thermistor
(Tho-D)
(Tho-A)
(Tho-R2)
(Tho-R1)
Discharge
Compressor
Suction
Accumlator
Hea exchanger
Sub-cooling
coil
Electronic
expansion valve
(EEV)
Heating cycle
Cooling cycle
(
(
(
(
(
(
(
(
Liquid branch pipe
(ø9.52)
Strainer
Service valve
Indoor unit
Indoor unit
Outdoor unit
Discharge
Suction
Service valve
(Flare connecting)
Sub-cooling
coil
Sub-cooling
coil
Heating cycle
Cooling cycle
(ø25.4)
(ø15.88)
(ø15.88)
801:ø9.52
1001:ø12.7
Check joint
Check joint
Check valve
Check valve
(With charge port)
(With charge port)
(Tho-A)
(Tho-S)
(Tho-D)
(Tho-R1)
(Tho-R4)
(Tho-R3)
(Tho-R2)
(Tho-C)
(PSL)
Low pressure
sensor
(63H1)
Accumlator
Oil separator
Receiver
(SV6)
Solenoid valve
Capillary tube
(For cooling)(EEVC)
Electronic expansion valve
(For heating)(EEVH1)
Electronic expansion
valve
Solenoid valve
Electronic
expansion valve
(For heating)
(EEVH2)
Compressor
4way valve
(SV7) FDCA1001 only
(63H2)
High pressure
switch
High pressure
switch
(Thi-A)
(Thi-R2)
(Thi-R1)
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Heat exchanger
Branch pipe
(Brazing)
Brazing
Branch pipe
(Brazing)
Flarc connecting
Flarc connecting
(ø9.52)
(ø9.52)
Liquid line
Gas line
Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Heat
exchanger
Heat
exchanger
(
(
Gas branch pipe
(ø15.88)
Liquid branch
pipe
(ø9.52)