Appendix
SiEN34-705
178
General Information
7.12.2 Indoor Unit
FXCQ, FXFQ, FXKQ, FXSQ, FXMQ, FXHQ, FXAQ, FXLQ, FXNQ
4D040157
(4)
(1)
Fan
(2)
(3)
Flare connection :
φ
15.9 or less
Attached piping : Above
φ
19.1
Gas piping connection port
Liquid piping connection port
(Flare connection)
Electronic
expansion valve
Heat exchanger
Filter
Filter
Cod
e
Name
Code
Main function
Cod
e
(1) Electronic expansion
valve
Y1E
Used for gas superheated degree control
while in cooling operation or subcooled
degree control while in heating operation.
(1)
(2) Suction air temperature
thermistor
R1T
Used for thermostat control.
(2)
(3) Liquid pipe
R2T
Used for gas superheated degree control
while in cooling operation or subcooled
degree control while in heating operation.
(3)
(4) Gas pipe
R3T
Used for gas superheated degree control
while in cooling operation.
(4)
(mm)
Capacity
GAS
Liquid
20 / 25 / 32 / 40 / 50M(A)
φ
12.7
φ
6.4
63 / 80 / 100 / 125M(A)
φ
15.9
φ
9.5
200M(A)
φ
19.1
φ
9.5
250M(A)
φ
22.2
φ
9.5
