Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 69

Power source line
Connector for branching
between indoor units
controller of heat recovery
3-pipe systems
Power source
CNU
Single-phase
BL
220-240V~50Hz
220V~60Hz
TB1
RD 3
L
Power
RD
F(3.15A)
source
1
WH
N
line
WH
F(3.15A)
Y/GN
Earth
FM 1
Meaning of marks
Capacitor for FMI
CFI1
Connector
CNA~Z
Drain motor
DM
F Fuse
Fan motor (with thermostat)
FMI1
Float switch
FS
Live Superlink terminal setting (for spare)
JSL1
LED . 2
Indication lamp (Green-Normal operation)
LED . 3
Indication lamp (Red-Inspection)
LM Louver motor
LS Louver switch
SM
Stepping motor
(for electronic expansion valve)
Indoor unit address : tens place
SW1
Indoor unit address : ones place
SW2
SW3 Outdoor unit address : tens place
LS
220-240V
CNS2
WH
CNS
CNW1
BL WH
X6 X2
X4
CNW0
X1 X3 X5
RD
CNR
CNM3
1 3 5 7 9
WH
WH
3 1
1
C UH H M L
F(0.16A)
M
1~
CNR2
CNF1
BL
LM
WH
5
Y/GN
M
M
1~
1~
I
DM
CF I1
Outdoor unit address : ones place
SW4
Automatic adjustment/Fixed previous
SW5-1
version of Superlink protocol
SW5-2 Indoor unit address : hundreds place
Model capacity setting
SW6
Operation check, Drain motor test run
SW7-1
TB1 Terminal block (Power source)(□ mark)
Terminal block (Signal line) (□ mark)
TB2
Thermistor (Remote controller)
Thc
Thermistor (Return air)
ThI-A
Thermistor (Heat exchanger)
ThI-R1,2,3
Thermistor
TrI
X1~3,6 Relay for FM
Relay for DM
X4
X5 Relay for LM
ThI-R1
SM
t .
Tr I
M
19V 24V
1 2 3 4 5 6 1 2
CNW2 CNA
BK RD
SW5
LED • 2 LED • 3 SW1
SW2 SW3 SW4
SW6
CNB CNK1
SW7
CNI
CNJ2 WH WH
BL 1 3 1 2
BL
3 For Heat recovery
3-pipe systems
(20S)
CNJ
(SVH)
WH
X Y A B
TB2
(SVG)
FS
(SVE)
X Y
Signal line (Shielded cord)
Remote
controller
t .
Signal line
Thc
between indoor units
Color marks
Mark Color
BK Black
BL Blue
BR Brown
GR Gray
OR Orange
RD Red
WH White
Y Yellow
Y/GN Yellow/Green
Notes
1. indicates wiring on site.
2.Use twin core cord (0.75~1.25mm
outdoor unit, and signal line between indoor units.
3.Use twin core cord (0.3mm
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.
ThI-R2 ThI-R3 ThI-A
t . t . t .
3 4 5 6 1 2
Y
CNN
CNH
BK
JSL1
Superlink (spare)
CNK2
BK
Option
+12 1
1 +12
2 XR1
2
XB1
CNT2
CNT
3 XR2
3
XB2
RD
BL
4 XR3
4
XB3
5 XR4
5
XB4
6
XR5 (Remote operation input:
Control PCB
volt-free contact)
2
) at signal line between indoor unit and
2
) at remote controller line. See spec sheet of remote
(Operation)
(Heating)
(Thermo ON)
(Inspection)