120
Indoor Unit
Wiring Diagrams
6. Wiring Diagrams
3854A20238A
MOTOR
AC PWB ASM
OR
BK
BK
BK
RD
BK
BK
BK
TRIAC
THERMISTOR
THERMISTOR
LEV
STEP
MOTOR
STEP
MOTOR
AIR
CLEAN
(PLASMA)
H.V.
ASM
YL
BR
SH-CAPA
ZNR
CN-
DISP2
DISPLAY PCB ASSY
CN-
DISP1
SW(FORCE)
FUSE
AC250V/T2A
POWER
INPUT
(OR TO OUTDOOR UNIT)
TO OUTDOOR UNIT
CN-PO
WER
CN-MO
T
O
R
CN-A
C/DC
CN-A
C/DC
CN-TH2
CN-TH1
CN-LEV
CN-U/D
CN-L/R
1(L)
2(N)
3
4
CONNECTOR NUMBER
SPEC
COLOR
DESCRIPTION
CN-POWER
AC POWER SUPPLY
BLACK
AC POWER LINE INPUT FOR INDOOR CONTROLLER
CN-MOTOR
AC FAN MOTOR OUTPUT
WHITE
MOTOR OUTPUT OF PHASE CONTROL
CN-AC/DC
AC/DC CONNECTION
GRAY
CONNECTION BETWEEN AC PCB AND DC PCB
CN-COMM
COMMUNICATION
BLACK
CONNECTION BETWEEN INDOOR AND OUTDOOR
CN-DISP1
DISPLAY
BLUE
DISPLAY OF INDOOR STATUS
CN-DISP2
DISPLAY
WHITE
DISPLAY OF INDOOR STATUS
CN-LEV
LEV OUTPUT
WHITE
LEV CONTROL OUTPUT
CN-UD
STEP MOTOR
WHITE
STEP MOTOR OUTPUT
CN-TH1
ROOM/PIPE SENSOR
WHITE
ROOM AND PIPE THERMISTOR
CN-PIPEOUT
DISCHARGE PIPE SENSOR
RED
DISCHARGE PIPE THERMISTOR
Summary of Contents for multi V PLUS
Page 21: ...Service Manual 21 Indoor Unit Indoor Units ...
Page 74: ...74 Indoor Unit ...
Page 86: ...86 Indoor Unit ...
Page 142: ...142 Indoor Unit ...
Page 160: ...160 Indoor Unit ...
Page 179: ...Service Manual 179 Outdoor unit ...
Page 239: ...Service Manual 239 Wiring Diagrams 5 8 60Hz 220V Main Outdoor Unit 8HP 10HP 12HP ...
Page 245: ...Service Manual 245 Trouble shooting guide ...
Page 296: ...296 Trouble Shooting Guide ...
Page 297: ...Service Manual 297 Appendix ...
Page 303: ...Service Manual 303 Exploded View Replacement Parts List ...