-
149
-
Printed circuit
board
UH
Option
8
52FH
7
C
CnM3
13
8
52FL
7
HM
L
57
9
XR2
Option
6
5
4
XR4
XR5
XR3
CnT
3
2
1
XR1
12V
12V
1
2
3
4
1
3
5
3
3
5
5
4
4
6
6
I2
I1
ThC
RD
Remote controller
BK
WH
CnB
1
23
TB
I1
I2
CnFX
CnH2
CnI2
CnN3
CnN2
CnF2
RD
WH
BK
BK
RD
RD
RD
RD
BK
RD
BK
WH
RD
BK
RD
BK
RD
BK
BK
BK
RD
RD
WH
WH
WH
WH
WH
P
P
P
P
Y/GN
33
TB
WH
2/N2/
N
RD
1
CnF4
LH
CnW1
CnW0
WH
220V /240V
CnW2
TrI
15V
CnF4
OR/WH
Y/WH
CF
CnF2
CnF4
CnF2
CnI
CnO
H
52
CnN1
BK
CnH
FS
ThI-R2
ThI-R1
ThI-A
L
CnF3
CnF5
CnF5
CnF5
H
CnF3
CF
CnF3
BK
RD
RD
RD
RD
RD
RD
Signal line
Power line
3
2/N
1
to outdoor unit
FC
FS
CFI1,2
FMI1,2
Mark
Meaning of marks
Parts name
ThI-R1,2
52HO
ThI-A
WH
OR
OR
Y
Y
OR
OR
Y
Y
0
52FL
52FH
RD
52FL
52FH
52FL,FH
X6
F (3.15A)
F1
(6.3A)
F2 (6.3A)
X2
X1
X3
OR
Y
BL
Fan controller (Option)
Float switch
Capacitor for FMI
Fan motor
Thermistor
Auxiliary relay
Thermistor
FHI condenser
Mark
Parts name
TrI
LED · 1
SW9-3
SW2
CnB~Z
LED · 2
F, F1, F2
ThC
Transformer
Indication lanp(Red)
Emergency operation
Remote controller communication address
Connector( mark)
Indication lanp(Green)
Fuse
Thermistor
X1~3,6
Mark
Parts name
TB
XR3
XR5
XR4
XR2
XR1
mark
Auxiliary relay (For FMI)
Terminal block ( mark)
Themo ON output (DC12V output)
Remote operation (volt-free contact)
Closed-end connector
Inspection output (DC12V output)
Heating output (DC12V output)
Operation output (DC12V output)
X
Y
Z
X
Y
Z
SW2
LED · 2
LED · 1
SW9
SW5
FM
3
3
5
5
I1
I1
WH
WH
CnF2
RD
CnF
BK
BK
BK
F C
RD
RD
BK
BK
BK
RD
RD
WH
WH
WH
P
P
CnF4
L
H
CnF4
OR/WH
Y/WH
CF
CnF2
CnF4
CnF2
OR
OR
Y
Y
52FL
52FH
FM
FM
RD
WH
BK
WH
WH
WH
BR
BR
BK
BL
RD/Y
RD/Y
Pink
Color
RD
Red
WH
Y
RD/Y
P
White
Yellow
Red/Yellow
Mark
Color marks
BR
OR
OR/WH
BK
BL
Orange/White
Orange
Brown
Blue
Black
Yellow/White
Y/GN
Y/WH
Yellow/Green
1 Circuit diagram (within [ ]) when some
fan controllers (option) are installed
Y/GN
Y/GN
Y/GN
(e) High static pressure ducted type (FDU)
Models All models
