Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 79

Power source line
between indoor units
Connector for branching
controller of heat recovery
3-pipe systems
Power source
CNU
(Single-phase) BL
220-240V~50Hz
TB1
RD 3
L
RD
Power source line
F(3.15A)
WH 1
N
WH
CNW0
F(3.15A)
Y/GN
Earth
CNM3
WH
CNF1
WH
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
CFI Capacitor for FMI
Connector
CNA~Z
DM Drain motor
F Fuse
FMI Fan motor (with thermostat)
FS Float switch
JSL1 Live Superlink terminal setting (for spare)
LED . 2
Indication lamp
(Green-Normal operation)
LED . 3
Indication lamp (Red-Inspection)
Tr I
220-240V
19V
CNW1
WH
LED • 2 LED • 3
X6 X2 X4
RD X1 X3
CNR
1 3 5 7 9
WH
1 3
C H M L UL
F(0.16A)
CNR2
BL
Y/GN
M
M
FM I
1~ 1~
DM
CFI1
SM Stepping motor
(for electronic expansion valve)
Indoor unit address : tens place
SW1
SW2 Indoor unit address : ones place
SW3 Outdoor unit address : tens place
Outdoor unit address : ones place
SW4
SW5-1
Automatic adjustment/Fixed previous
version of Superlink protocol
SW5-2 Indoor unit address : hundreds place
SW6 Model capacity setting
ThI-R1
SM
t .
M
CNA2 CNN3
WH RD
24V
1 2 3 4 5 6 1
CNW2
BK CNA
RD
SW5
SW1 SW2 SW3 SW4
SW6
CNB CNK1
SW7
WH WH
CNI
BL 1 3 1 2
CNI2
WH
X Y A B
TB2
FS
Signal line
Thc (Shielded cord)
X Y
t .
Remote controller Signal line
between indoor units
Operation check, Drain motor test run
SW7-1
TB1
Terminal block (Power source)
(□ mark)
TB2 Terminal block (Signal line) (□ mark)
Thc Thermistor (Remote controller)
Thermistor (Return air)
ThI-A
Thermistor (Heat exchanger)
ThI-R1,2,3
TrI Thermistor
Relay for FM
X1~3,6
X4 Relay for DM
ThI-R2 ThI-R3 ThI-A
t . t . t .
CNN4 CNN5
Y BK
2 3 4 5 6 1 2
CNN CNH
Y BK
JSL1
Superlink (spare)
CNK2
BK
Option
For Heat recovery
+12 1
3-pipe systems
1 +12 2 XR1
3
(20S) XB1 2
CNT
CNT2
BL
4 XR3
(SVH) XB2 3
RD
(SVG)
4 5
XB3
(SVE)
XB4 5 6
XR5 (Remote operation input
Control PCB
Color marks
Mark Color Mark
BK Black RD
BL WH
Blue
BR Brown Y
GR Gray Y/GN
OR Orange
(Operation)
(Heating)
XR2
(Thermo ON)
(Inspection)
XR4
:volt-free contact)
Color
Red
White
Yellow
Yellow/Green