BL
3
1
WH
CNW3
WH
RD
RD
1
2
CNI
BL
FS
CNZ
CNC
For HA
WH
RD
RD
t°
Control PCB
Power PCB
RD
YE
t°
YE
BK
t°
BK
1
2
3
4
5
6
BK
t°
BK
1
2
XR1
XR2
XR3
XR4
XR5（Remote operation
1
2
3
4
5
6
+12
LED・2 LED・3
X
Y
1
3
X
Y
t°
TB2
WH
BK
WH8
9
10
11
12
CNW2
WH
CNW1
WH
CNB
WH
CNN
YE
CNH
BK
CNT
BL
1
2
WH
RD
YG
3
5
CNW0
WH
1
（Operation）
（Heating）
（Compressor ON）
（Inspection）
3
Thc
Thi
-R1
Thi -R2
Thi -R3
Thi -A
WH
WH
WH
WH
Remote control
input:volt-free contact）
WH
WH
WH
WH
WH
WH
WH
WH
5
6
7
2
3
4
1
YG
CNWR
WH
L
1 3
CNR
WH
1
2
DM
M
RD
WH
+12
1
2
CNTA
BL
（Remote operation
input:volt-free contact）
8
9
10
11
12
5
6
7
2
3
4
1
+12
1
PIS
CNG
BL
CNV2
BK
2
4
3
1
3
WH
BK
RD
WH
RD
BK
Prepare on site
Prepare on site
TB1
Option
※1
Earth
The line between
21
3
Power source line
Signal line
indoor unit and outdoor unit
1 4 5 6 7
RD BK WH YE BL
CNM2
BK
M
1 3 5
BK WH RD
CNFM
WH
FMi
1 4 5 6 7
CNM
WH
CNFM2
WH
Motor PCB
F4
（4A）
F1（6.3A）
BK WH RD
Power circuit
Zone control
Damper motor power source
SW2
SW6
SW5
SW7
CNJ
WH
11
12
6
7
2
1
20
16
17
Zone control
Damper motor output
For details,refer to
page 97.
FS Float switch
Indication lamp（Red-Inspection）
Indication lamp（Green-Normal operation）
LED・3
LED・2
ConnectorCNB-Z
Model capacity settingSW6
Operation check,Drain pump motor test runSW7-1
SW5
Temperature sensor（Remote control）
Temperature sensor（Heat exchanger）
Temperature sensor（Return air）
Thc
Thi-R1,2,3
Thi-A
TB2 Terminal block（Signal line）（□mark）
TB1 Terminal block（Power source）（□mark）
Remote control communication address
SW2
Plural units Master／Slave setting
L Reactor
F1,4 Fuse
FMi Fan motor
Drain pump motorDM
Motion sensorPIS
Closed-end connector■mark
Item Description
BK Black
Blue
Color marks
BL
RedRD
YE
WH
Yellow
White
YG Yellow Green
Mark Color
Notes 1. indicates wiring on site.
2. See the wiring diagram of outdoor unit about the line between
indoor unit and outdoor unit.
3. Use twin core cord（0.3mm
2
）at remote control line.
See spec sheet of remote control in case that the total length is more
than 100m.
4. Do not put remote control line alongside power source line.
5. Section 1（※1）shows
electric circuit of motion sensor（Option）.
Meaning of marks
'22 • PAC-SM-412
-
112
-
(c) Duct connected-High static pressure type (FDUA)
Model FDUA125VH
PJG000Z741
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