Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 77

Connector for branching
controller of heat recovery
3-pipe systems
Power source line
between indoor units
CNU
BL
Power source
(Single-phase)
220-240V~50Hz
TB1
220V~60Hz
RD
L
RD
Power source
F(3.15A)
WH
line
N
WH
F(3.15A)
Y/GN
Earth
Meaning of marks
Capacitor for FMI
CFI1
CNA~Z Connector
Drain motor
DM
Fuse
F
Fan motor (with thermostat)
FMI1
FS Float switch
Live Superlink terminal setting
JSL1
(for spare)
LED . 2
Indication lamp
(Green-Normal operation)
LED . 3
Indication lamp (Red-Inspection)
SM
Stepping motor
(for electronic expansion valve)
Indoor unit address : tens place
SW1
Indoor unit address : ones place
SW2
Outdoor unit address : tens place
SW3
Outdoor unit address : ones place
SW4
ThI-R1 ThI-R2 ThI-R3
t . t . t .
Control PCB 1 2 3 4 5 6
CNN
Y
3
1
CNW0
X6 X2
RD
X1
X3
1 3 5 7 9
C UH H M L
F(0.16A)
CNF3
WH
5
Y/GN CNRI
M WH
FM
1~
I 1
CFI1
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
SW7-1
test run
TB1 Terminal block (Power source)
(□ mark)
Terminal block (Signal line) (□ mark)
TB2
Thc Thermistor (Remote controller)
Thermistor (Return air)
ThI-A
Thermistor (Heat exchanger)
ThI-R1,2,3
Thermistor
TrI
X1~3,6 Relay for FM
Relay for DM
X4
mark Closed-end connector
ThI-A
Tr I
t .
220-240V
19V 24V
1 2
CNW1 CNW2
CNH
WH BK
BK
LED • 2
SW1 SW2
SW5
X4
SW6
LED • 3
SW3 SW4
SW7
CNA
CNI RD
CNR
1 3 BL
1 2 3 4 5 6
WH
M
SM
M
1~
FS
DM
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.
Option
+12 1
2 XR1
3 XR2
CNT
BL
4 XR3
JSL1
5 XR4
Superlink (spare)
6
XR5 (Remote operation input:
CNK2
volt-free contact)
BK
+12 1
2 XB1
CNT2
3 XB2
RD
CNB CNK1
4 XB3
WH WH
5 XB4
1 3 1 2
For Heat recovery
3-pipe systems
X Y A B
TB2
X X Y Y
Signal line (Shielded cord)
Remote
Signal line
controller
t .
between indoor units
Thc
2
) at signal line between indoor unit and
2
) at remote controller line. See spec sheet of remote
(Operation)
(Heating)
(Thermo ON)
(Inspection)
(20S)
(SVH)
(SVG)
(SVE)