Wiring Diagram; Indoor Unit - Toshiba RAS-10NKV-E Service Manual

4-1. Indoor Unit

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
Check Item
OPERATION
1
INDICATOR
2
3
4
5
6
(DC310~340V)
Refer to the service data for the detailed failure diagnosis.

4. WIRING DIAGRAM

TERMINAL
２
2 1
BLOCK
BLK
CN23
CN24
CN01
(BLU)
1 1
2 2
CN03 FUSE
(W HI)
F01
1 1 T3.15A
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
Table 4-1-1 Simple Check for Failure Diagnosis
Check if the OPERATION indicator goes on and off when the
main switch or breaker is turned on.
(Check the primary and secondary voltage of the transformer.)
Check the power supply voltage between 1 and 2.
TERMINAL (Refer to the name plate.)
BLOCK (Check the primary and secondary voltage of the transformer.)
Check the fluctuating voltage between 2 and 3. (15~60VDC)
Check if the fuse blows out.
FUSE
(Check the R04 of the varistor.)
3.15A
Check the voltage at the No. 4 pin on CN13 connector 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 motor.
DC12V (Check the transformer and the power supply circuit of the
rated voltage.)
Check the voltage at the No. 1 pin on CN10 connector.
DC325V
(Check the DB01, R05 and C03.)
３
W HI RED
CN21
LINE
FILTER
R04
3
Fan Motor
Drive circuit
1 2 3
CN11 CN10
1 2 3
1 2 3 4 5
1 2 3 4 5
CN08
1 2 3 4
HA
JEM-A
Diagnosis Result
– 15 –
FILE NO. SVM-05026
INDOOR OUTDOOR
UNIT UNIT
5
Power
CN07
supply circuit
(W HI)
W HI
1 1 1 1
+12 VDC
YEL
2 2 2 2
+5 VDC
3 3 YEL 3 3
YEL
4 4 4 4
YEL
5 5 5 5
LOUVER MOTOR
5 3 1
6
5 3 1
6
6
AC FAN MOTOR