Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 74

Power source line
between indoor units
Connector for branching
controller of heat recovery
3-pipe systems
Power source CNU
BL
(Single-phase)
220-240V~50Hz
220V~60Hz TB1
RD
3
L
Power
RD
source F(3.15A)
WH 1
line
N
CNW0
WH
F(3.15A)
RD
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)
Louver motor
LM
LS Louver switch
Tr I
LS
220-240V
CNS2
WH
19V
CNS CNW1
BL WH
LED • 2 LED • 3
X6 X2 X4
X1 X3 X5
CNJ2
CNR
1 3 5 7 9
WH BL
1 3 1 3
C UH H M L
CNJ
F(0.16A)
WH
M
1~
CNR2
LM
BL
FS
Y/GN
M
M
FM I
1~
1~
DM
CFI
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
Outdoor unit address : ones place
SW4
SW5-1
Automatic adjustment/Fixed previous
version of Superlink protocol
SW5-2 Indoor unit address : hundreds place
Model capacity setting
SW6
SW7-1 Operation check, Drain motor test run
ThI-R1
SM
.
t
M
CNA2 CNN2
WH BK
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
(20S)
(SVH)
TB2 X Y A B
(SVG)
(SVE)
Signal line
Thc
X Y
(Shielded cord)
.
t
Signal line
Remote controller
between indoor units
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
X1~3,6 Relay for FM
X4 Relay for DM
X5 Relay for LM
mark Closed-end connector
ThI-R2 ThI-R3 ThI-A
. . .
t t t
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
+12 2 XR1
1
3
XB1 2 XR2
CNT
CNT2
BL
3 4 XR3
XB2
RD
4 5 XR4
XB3
XB4 6
5
XR5 (Remote operation input:
volt-free contact)
Control PCB
Color marks
Mark Color Mark
BK Black RD
BL Blue WH
BR Brown Y
GR Gray Y/GN
OR Orange
(Operation)
(Heating)
(Thermo ON)
(Inspection)
Color
Red
White
Yellow
Yellow/Green