Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 84

Connector for branching
controller of heat recovery
3-pipe systems
Power source line
between indoor units
CNU
Power source
BL
(Single-phase)
220-240V~50Hz
TB1
L
Power source RD
F(3.15A)
line
N
WH
F(3.15A)
Y/GN
Earth
Meaning of marks
Capacitor for FMI
CFI
Connector
CNA~Z
F Fuse
Fan motor (with thermostat)
FMI
Live Superlink terminal setting (for spare)
JSL1
LED . 2
Indication lamp (Green-Normal operation)
LED . 3
Indication lamp (Red-Inspection)
SM
Stepping motor
(for electronic expansion valve)
SW1 Indoor unit address : tens place
Indoor unit address : ones place
SW2
Outdoor unit address : tens place
SW3
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
Operation check, Drain motor test run
SW7-1
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
mark Closed-end connector
220-240V
19V
CNW1
WH
RD 3
WH 1
CNW0
RD
X6 X2
X1 X3
CNM3
CNI
1 3 5 7 9
BL
WH
C UH H M L
TB2
CNF1
WH
4
FM I
M
1~
t .
CFI1
Color marks
Mark Color Mark
BK Black RD Red
BL RD/Y
Blue Red/Yellow
BR Brown WH White
GR
Gray Y Yellow
OR Orange Y/GN Yellow/Green
ThI-R1
SM
.
M
t
Tr I
BK
K
CNA2
CNN3
WH
RD
W O B B R
Y
24V H R L R D
1 2 3 4 5 6
CNW2
BK CNA RD
LED • 2
SW1 SW2
SW5
SW6
LED • 3
SW3 SW4
SW7
CNB CNK1
WH WH
1 3 1 2
For Heat recovery
3-pipe systems
(20S)
XB1
(SVH)
XB2
X Y A B
(SVG)
XB3
(SVE) XB4
X Y
Signal line (Shielded cord)
Remote
controller
Signal line
Thc
between indoor units
Notes
Color
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
BK
K
CNN4 CNN5 CNH2
Y BK WH
1 2 3 4 5 6 1 2
Y CNH
CNN
BK
JSL1
Superlink (spare)
CNK2
BK
Option
1 +12
+12 1
2
2 XR1 (Operation)
CNT2
3
3 XR2
RD CNT (Heating)
4
BL (Thermo ON)
4 XR3
5
(Inspection)
5 XR4
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