Specifications
1022
FDC-HKXR
20.3 ELECTRICAL DATA
20.3.1 Electrical wiring
(1) Indoor unit
(a) Ceiling recessed type (FDT)
Models All models
Meaning of marks
Mark Parts name Mark Parts name Mark Parts name
FM
I
49FI
CFI
DM
FS
LM
LS
SM
X1,2,3,6
X4
X5
Fan motor
Internal thermostat for FMI
Capacitor for FM
I
Drain motor
Float switch (For overflow prevention)
Louver motor
Limit switch
Stepping motor (For Exp.v)
Auxiliary relay (For FM
I
)
Auxiliary relay (For DM)
Auxiliary relay (For LM)
ThI-A
ThI-R
SW1
SW2
SW3
SW4
SW6
Trl
Val
LED
·
R
LED
·
G
Thermistor
Thermistor
Indoor unit address ten's place
Indoor unit address unit's place
Outdoor unit address ten's place
Outdoor unit address unit's place
Change of heat pume type
Transformer
Varistor
Indication lamp (Red)
Indication lamp (Green)
F
CnA-Z
TB
mark
mark
XR1
XR2
XR3
XR4
XR5
SK
Fuse
Connector ( mark)
Terminal block
Terminal (F)
Connector
Operation indication (DC12)
Heating indication (DC12)
ON indication for CM (DC12)
Check indication (DC12)
Distant operation
Spark killer
Function of switches
Mark Function
SW5-1 ON
OFF
ON
OFF
ON
OFF
Reverse Invalid
Run Stop
Input
signal
Heating temp. shift + 3°C
Normal
Test run of condensate pump motor
Normal
SW5-2
SW5-3
Mark Color
BK
BL
BR
GR
OR
Black
Blue
Brown
Gray
Orange
Mark Color
RD
WH
Y
Y/GN
Red
White
Yellow
Yellow/Green
Color mark
Printed circuit board
Power
source
Outdoor
unit
(Signal
line)
GR
10
LED
·G
Normal
Check
LED
·
R
Trl
8V
17V
CnW
2CnW1
CnE Checker
XR5
SM
Option
Thl-A
Thl-R
CnS
2
LS
CnA
2
XR1
XR2
XR3
XR4
X1
X6
X2
X3
X4
X5
SW1 SW2 SW3 SW4
220/240V
X
Y
Z
LM
CnO
CnK2
CnD
X4
X5
X2
X3
Val
CnI
CnR
CnR
DM
FMI
(49FI)
CnJ
CnJ
CnF
CF
I
L
M
H
CnF
FS
CnI
X1
X6
CnU
F(3.15A)
TB
TB
L
N
A
B
WH
RD
RD
WH
BL
RD
BL
Y/GN
WH
RD
RD
BL
BK
BRBK BRBK
Y/GN Y/GN
ORWH
WH
WH
OR
WH
OR
RD
BL
BK BK
RD
RD
WH WH
WH
WH
Y/GN
OR
BK
BK
BK
BK
BK
BK
BK
BK
RD
WH
BK
WH
WH
RD
RD
BL
BL
RD
OR
Y
BK
GR
RD
OR
BK
GR
Y
Thc
Remote
controller
XYZ
RD WH BK
1
2
CnK
3
1
2
3
5
1
2
2
13 12 11 4 9
11
2
CnB
CnS
CnH
CnN
CnT
CnA
CnZ HA
1
2
3
1234
SW5
ON
OFF
ON
OFF
J4J3J2
J7J6J5
SW6
SK