Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 81

Power source
(Single-phase)
220-240V~50Hz
220V~60Hz
ThI-R1
Power source line
.
between indoor units t
Connector for branching
controller of heat recovery
3-pipe systems
CNU
BL
1
TB1
F(3.15A)
R
RD RD
L
Power source
line
S
WH WH
N
F(3.15A)
Y/GN
Earth
Y/GN G
TB1
BL
A
CNK1
Signal line RD
B
WH
(Shielded cord)
SW3
Signal line
between indoor units
SW5
SW4
CNL2 CNL1
WH WH
SW1
SW2
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.
220-240V
ThI-R2 ThI-R3 ThI-A
M
LM
. . .
t t t
C
2 3 4 5 6 1 2 1 2 3 4 5
CNN Y CNJ
CNH
BK
BK
Power
circuit
SW6
SW7
F202
(1A) Superlink (spare)
CNM WH CNA
1 2 3 4 5 6 1 2 3
M
FMI
M
SM
Tr I
16V
23V
19V
Control PCB
6 5 4 3 2 1
CNW1
CNW2
WH
+12 1
BK
2
3
CNT
BL
4
LED • 2 LED • 3
5
6
XR5 (Remote operation input:
For Heat recovery 3-pipe systems
JSL1
+12 1
2
CNT2
CNK2 3
RD
RD
4
5
CNB
RD
WH
1 3
4 5 6
TB2
X Y
CNA2
X Y
WH
Remote
controller
.
t Thc
Meaning of marks
Connector
CNA~Z
F,F202 Fuse
FMI Fan motor (with thermostat)
Live Superlink terminal setting (for spare)
JSL1
LED . 2
Indication lamp (Green-Normal operation)
LED . 3
Indication lamp (Red-Inspection)
Louver motor
LM
Stepping motor
SM
(for electronic expansion valve)
Option
Indoor unit address : tens place
SW1
SW2 Indoor unit address : ones place
(Operation)
XR1
Outdoor unit address : tens place
SW3
(Heating)
XR2
Outdoor unit address : ones place
SW4
(Thermo ON)
XR3
Automatic adjustment/Fixed previous
SW5-1
(Inspection)
XR4
version of Superlink protocol
Indoor unit address : hundreds place
SW5-2
volt-free contact)
Model capacity setting
SW6
Operation check, Drain motor test run
SW7-1
Terminal block (□ mark)
TB1
XB1 (20S)
Thermistor (Remote controller) (□ mark)
TB2
(SVH)
XB2
Thermistor (Remote controller)
Thc
(SVG)
XB3
ThI-A Thermistor (Return air)
(SVE)
XB4
Thermistor (Heat exchanger)
ThI-R1,2,3
Thermistor
TrI
Color marks
Mark Color
BK Black
BL Blue
Brown
BR
GN
Green
OR Orange
Mark Color
P Pink
RD Red
White
WH
Y Yellow
Y/GN Yellow/Green