Specifications

888
FDC-HKX
PCB power supply
connector (Secondary side)
LED (red)
LED (green)
7-segement indicator
PCB power supply
connector (Secondary side)
Selector switch (SW4) OF
7-segement indicator
Signal line
(Indoor unit)
Outdoor temp.
Under-domo
Heat exchanger
thermistor
Discharge
gas thermistor
Failure
Operation
output
Outdoor unit
number address
setting switch
(SW:Order of 1)
Outdoor unit
number address
setting switch
(SW:Order or 10)
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Inspection LED reset
Normal
Backup operation - With
Backup operation - None
Service
Normal
Unmatch check
Nromal
Test run operation
Normal
Test run operation - Cooling
Test run operation - Heating
Forced cooling/heating
Normal
Test mode
None
SW
3-1
SW 3-2
SW 3-3
SW 3-4
SW 3-5
SW 3-6
SW 3-7
SW 3-8
Name Function
• Function of DIP switch
FunctionName
External input level
External input pulse
Defrosting - Normal
Defrosting - Cold weather region
Snow protection control - None
Snow protection control - With
With
None
(1)
With
None
(1)
With
None
(1)
J1
J5
J6
Note (1) "None" means that jumper wire is not provided on the PCB
or the connection is cut.
None
(1)
None
(1)
With
None
(1)
None
(1)
With
None
(1)
With
With
None
(1)
With
With
Model
FDCJ140HKXE 2
FDCJ224HKXE 2
FDCJ280HKXE 2
FDCP140HKXE 2
FDCP224HKXE 2
FDCP280HKXE 2
With
None
(1)
Jumper
wire
J2 J3 J4
Parts No.
PCB505A026BF
Model
All models
(ii) Parts layout on the outdoor unit PCB
● Replacement procedure of outdoor unit microcomputer printed circuit board.
Microcomputer printed circuit board can replaced with following procedure.
1) Confirm the parts numbers. (Refer to the following parts layout drawing for the location of pats number.)