Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 71

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
Power
L
RD
F(3.15A)
source
WH 1
line
N
WH
F(3.15A)
Y/GN
Earth
CNF1
Y/GN
FMI1
Meaning of marks
Capacitor for FMI
CFI1
Connector
CNA~Z
Drain motor
DM
Fuse
F
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
1
1 3
C UH H M L
F(0.16A)
5
5
CNR2
CNF2
BL
WH WH
5 5
Y/GN
M
M M
1~
1~ 1~
FMI2
DM
CF I1 CF I2
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
Terminal block (Power source)(□ mark)
TB1
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
Closed-end connector
mark
ThI-R1
SM
t .
Tr I
M
19V 24V
1 2 3 4 5 6 1
CNW2 CNA
BK RD
LED • 2 LED • 3 SW1
SW3 SW4
SW2
CNB CNK1
CNI
WH WH
CNJ2
BL 1 3 1 2
BL
3
(20S)
CNJ
(SVH)
WH
X Y A B
M TB2
(SVG)
1~
FS
(SVE)
LM
X Y
Remote
controller
.
t
Thc
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 .
2 3 4 5 6 1 2
CNN Y
CNH
BK
SW5
JSL1
SW6 Superlink (spare)
CNK2
SW7
BK
For Heat recovery
Option
+12 1
3-pipe systems
1 +12
2
XR1
XB1 2
CNT2
CNT 3
3
XB2
RD
BL
4
XR3
XB3 4
5
5
XB4
6
XR5 (Remote operation input:
Control PCB
volt-free contact)
Signal line (Shielded cord)
Signal line
between indoor units
2
) at signal line between indoor unit and
2
) at remote controller line. See spec sheet of remote
(Operation)
XR2 (Heating)
(Thermo ON)
(Inspection)
XR4