Specifications

754
FDC-HKX
Models FDCP224HKXE2, 280HKXE2
Models FDCJ224HKXE2, 280HKXE2
(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.
Indoor A unit
Heat exchanger
Thermistor
(Th
I-R)
Thermistor (Th
I-A)
Capillary tube
Strainer
Brazing
Gas line
224:φ25.4 280:φ28.58
( )
Outdoor unit
Service valve
High pressure switch(63H
2)
(For fan motor control)
Check Joint
High pressure switch (63H
1-1)
(For protection)
High pressure switch(63H
1-2)
(For protection)
Oil saparator
Thermistor
(ThO-D2)
Thermistor
Thermistor
(Th
O-D1)
(Th
O-C)
Discharge
Suction
Compressor
Service valve
(Flare connecting)
Strainer
Receiver
(SV2)
Solenoid valve
Sub-cooling coil
Accumlator
(SV1)
Solenoid valve
Liquid line (φ12.7)
Brazing
[To next units by turn]
Indoor B unit
Electronic expansion valve
Check Joint
Cooling cycle Heating cycle
Thermistor
Thermistor
(Th
O-A)
(Th
O-R)
Heat exchanger
Expansion valve
Strainer
Capillary tube
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: