Wiring Diagram; Indoor Unit (For 13Nkv) - Toshiba RAS-13NKV-E Service Manual

4-1. Indoor Unit (For 13NKV)

COLOR INDICATION
:
BRW BROWN
:
RED RED
:
WHI WHITE
:
YEL YELLOW
:
BLU BLUE
:
BLK BLACK
:
GRY GRAY
:
PNK PINK
:
ORN ORANGE
:
GRN&YEL GREEN & YELLOW
:
GRN GREEN
BLK
BLK
HEAT EXCHANGER
SENSOR
(TC)
BLK
BLK
THERMO SENSOR
(TA)
CN25
(W HI)
BLU
1 1
BLU
2 2
BLU
3 3
BLU
4
4
BLU
5 5
BLU
6
6
BLU
7 7
BLU
8 8
BLU
9 9
BLU
10
10
WHI
11 11
MCC-861
MCC-861
1
Refer to the service data for the detailed failure
diagnosis.

4. WIRING DIAGRAM

TERMINAL
2
1
２ ３
BLOCK
BLK W HI
CN24
CN23
CN01
(BLU)
1 1
2 2
CN03 FUSE
(W HI)
F01
T3.15A
1 1
3
2 2
250VAC
CN13
(W HI)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
MAIN P.C. BOARD
9 9
WP-004
10 10
11 11
4
Simple Check for Failure Diagnosis
Check Item Diagnosis Result
Check to see if the OPERATION indicator goes on
1
OPERATION and off when the main switch or breaker is turned on.
INDICATOR (Check the primary and secondary voltage of the
transformer.)
Check the power supply voltage between
(Refer to the name plate.)
2
TERMINAL (Check the primary and secondary voltage of the
BLOCK transformer.)
Check the fluctuating voltage between
(15~60VDC)
3
FUSE Check to see if the fuse blows out.
3.15A (Check the R04 of the varistor.)
Check the voltage at the No.4 pin on CN13 connector
4
of the infrared receiver.
DC5V
(Check the transformer and the power supply circuit
of the rated voltage.)
Check the voltage at the white lead of the louver
5
motor.
DC12V
(Check the transformer and the power supply circuit
of the rated voltage.)
6
Check the voltage at the No.1 pin on CN10
connector and CN24.
(Check the F01)
(AC 220~240V)
INDOOR
RED
CN21
LINE
FILTER
Power
supply circuit
R04 +12 VDC
+5 VDC
Fan Motor
Drive circuit
1 2 3 5
CN11 CN10
1 2 3 5
1 2 3 4 5
1 2 3 4 5
CN08
3 4
1 2
HA
JEM-A
and .
2
1
2 and 3 .
– 16 –
FILE NO. SVM-05027
OUTDOOR
UNIT UNIT
5
CN07
(W HI)
1 1 W HI 1 1
YEL
2 2 2 2
3 3 YEL 3 3
YEL
4 4 4 4
YEL
5 5 5 5
LOUVER MOTOR
3 1
6
3 1
6
6
AC FAN MOTOR