Specifications

753
FDC-HKX
18.2.5 Piping system
Models FDCP140HKXE2
FDCJ140HKXE2
(2) Function of thermistor
Th
I-R
Th
O-A
Th
O-R
Th
O-D
Th
O-C
: Fan control in heating, or frost prevention in cooling. : For heating and cooling to low outdoor temp., for
control of defrosting.
: For control of defrosting. : For control of discharge gas temperature. : For control of temperature under the dome.
Notes (1) Preset point of protective devices
63H
1
63H
2
· OFF 2.94 Mpa (30kgf/cm
2
G), ON2.35Mpa (24kgf/cm
2
G)(For protection)
· OFF 2.5 Mpa (25.5kgf/cm
2
G), ON2.06Mpa (21kgf/cm
2
G)(For heating FMo and control
of high pressure)
63H
1
63H
2
· OFF 3.23 Mpa (33kgf/cm
2
G), ON2.65Mpa (27kgf/cm
2
G)(For protection)
· OFF 2.79 Mpa (28.5kgf/cm
2
G), ON2.26Mpa (23kgf/cm
2
G)(For heating FMo and control
of high pressure)
FDCJ type: FDCP type:
Outdoor unit
Heat exchanger
Compressor
Receiver
High pressure switch(63H
2
)
(For fan motor control)
High pressure switch(63H
1
)
(For protection)
4-way valve
Service valve (Flare connecting)
Expansion valve
Thermistor
(Th
O-A
)
(Th
O-R
)
Cooling cycle Heating cycle
Servicevalve
(Flare connecting)
Check Joint
Check valve
Sub-cooling coil
Thermistor
Thermistor
Strainer
Thermistor (Tho-c)
(SV1)
Suction
Strainer
Brazing
[To next units by turn]
(φ19.05)
Capillary tube
Liquid line (φ12.7)
Gas line
Brazing
Check Joint
Heat exchanger
Strainer
Indoor A unit
Thermistor
(Th
I-R
)
Check valve
Capillary tube
Electronic expansion valve
Indoor B unit
Thermistor (Th
I-A
)
Oil separator
Discharge
Solenoid valve
Accumlator