Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 68

CNU
BL
WH
Connector for branching controller
RD
of heat recovery 3-pipe systems
Power source
Power source line
Single-phase
220-240V~50Hz
220V~60Hz
Earth
Power source line
between indoor units
Notes
1. indicates wiring on site.
2
2.Use twin core cord (0.75~1.25mm ) at signal line between indoor unit
and outdoor unit, and signal line between indoor units.
2
3.Use twin core cord (0.3mm ) at remote controller line.
See spec sheet of remote controller in case that the total length is more
than 100m.
4.Do not put signal line and remote controller line alongside power
source line.
Meaning of marks
Connector
CNA~Z
Drain motor
DM
F200~203 Fuse
FMI Fan motor
Float switch
FS
JSL1 Live Superlink terminal setting (for spare)
LED . 2
Indication lamp
(Green-Normal operation)
LED . 3
Indication lamp (Red-Inspection)
Louver motor
LM1~4
Remote controller
X
t .
Thc
Y
Signal line
(Shielded cord)
Signal line
between indoor units
Power PCB
Y/GN
Y/GN
5
F200(3.15A)
RD 3
L
WH 1 Power Circuit
N
CNW0 F201(3.15A)
WH
X4
Y/GN
TB1
F202
F203
(0.16A) (1.0A)
1 3 1 4 5 6 7
CNR CNM
WH BR RD BL BR OR WH
WH WH
2 1
CNR2
5 6 4 3 2
CNM3
BL
Y Y
RD BL BR OR WH
M 5 6 4 3 2
CNM4
DM
1~
WH
RD BL BR OR WH
M
FMI
Stepping motor
SM
(for electronic expansion valve)
SW1 Indoor unit address : tens place
SW2 Indoor unit address : ones place
SW3 Outdoor unit address : tens place
SW4
Outdoor unit address : ones place
SW5-1 Automatic adjustment/Fixed previous
version of Superlink protocol
SW5-2 Indoor unit address : hundreds place
Model capacity setting
SW6
TB2
Control PCB
WH
CNB
1
X
BK WH
Y 3
BL
A
RD
CNK1
B 1
WH
2
SW5
RD
1
1
RD
2 2
CNW3
CNW2 RD
SW6
3 3
RD RD
RD
4 4
RD
5 5 SW7
CNW1
BL
1
2
BL
BL
2
1
BL CNW4
3
LED • 2 LED • 3
3
BL BL
4
4
BL
5
5
SW1 SW2 SW3 SW4
1 BL
1
LM1
2 P
2
3 BR
M
3
RD
4 OR
4
RD
5
LM2
5
6
CNJ2
M
7
WH
8
LM3
9
CNJ
10
M
WH
11
LM4 12
13
JSL1
M
14
15
Superlink (spare)
16
CNK2
17
BK
18
19
20
SW7-1 Operation check, Drain motor test run
Terminal block (Power source)
TB1
(□ mark)
Terminal block (Signal line) (□ mark)
TB2
Thc Thermistor (Remote controller)
ThI-A
Thermistor (Return air)
ThI-R1,2,3 Thermistor (Heat exchanger)
X4 Relay for DM
mark Closed-end connector
FS
WH 1 WH 1 RD
1
CNI
BL
WH 2 WH 2 RD
2
CNI2
WH
BL 3 BL 1 BK
CNH 1
t . ThI-A
BK
BL 4 BL 2 BK
2
CNH2
WH
RD 5 RD 1 BK
1
.
ThI-R1
t
RD 6 RD 2 BK
2
CNN3
RD
Y 7 Y 1 BK
3
CNN
t .
ThI-R2
Y Y Y BK
8 2
4
CNN4
Y
BK 10 BK 1 GR
5
t . ThI-R3
BK 11 BK 2 GR
6
CNN5
BK
WH 12 WH 1 WH
1
Y 13 Y 2 Y
2
OR 14 OR 3 OR
3
M
CNA
BL 15 BL 4 BL
4
RD
BR 16 BR 5 BR
5
RD 17 RD 6 RD
6
CNC CNA2
WH WH
Option
+12 1
2 XR1 (Operation)
CNT
3 XR2 (Heating)
BL
4 (Thermo ON)
XR3
5 (Operation)
XR4
6
XR5 (Remote operation input:volt-free contact)
For Heat recovery 3-pipe systems
+12 1
(20S)
2
CNT2 XB1
(SVH)
3
RD XB2
4 XB3 (SVG)
5 XB4
(SVE)
Color marks
Mark Color
BK Black
BL Blue
BR Brown
Gray
GR
OR Orange
P Pink
Red
RD
WH White
Y Yellow
Yellow/Green
Y/GN
SM