Toshiba RAV-SM560XT-E Service Manual page 12

4-2. Outdoor Unit (RAV-SM560AT-E)
Q200
IGBT MODULE
BLU
P17 P18
P.C. BOARD
(MCC-813)
3 2 1
4
3 2 1
CM
COMPRESSOR
5 4 3
CN301
5 4 3
SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS
Check
items
TERMINAL BLOCK
There is no supply voltage
1
(AC220 to 240V) between L - N , 1 - 2
There is no voltage (DC15 to 25V) 2 - 3
FUSE
T25A 250V to fuse (F01) blown
2
T3.15A 250V to fuse (F04) blown
ELECTROLYTIC CAPACITOR VOLTAGE (C12, C13, C14)
DC320V not available between
3
+ – terminal of electrolytic capacitor
INVERTER OUTPUT (Inverter and compressor connector out of position)
(Please confirm within six minutes after instructing in the drive.)
4
Voltage between each line of inverter side
conector pins are not equal.
BRW
P20
Q300
P14
2 1 3 2 1
CN300
2 1 3 2 1
FM
FAN MOTOR
Diagnosis result
Power supply and connecting
cable check
Converter module (DB01) and
electrolytic capacitor (C12 to C14) check
IGBT module (Q200) check
Fan motor check
T25A fuse (F01) check
P.C. board and converter
module (DB01) check
IGBT module and
P.C. board check
DB01
CONVERTER
MODULE
+ ~ ~
– A E G P10
P19
ELECTRONIC
STARTER
POWER
RELAY
–
C12
3
–
C13
–
C14
F04
FUSE
2
T3. 15A
250V~
P13 P02
P12
P11
2 1
PUR
2 1
1
REACTOR
TO
INDOOR
UNIT
– 10 –
REACTOR
THERMOSTAT
FOR
COMPRESSOR
ORN 2 1
2 1 CN500
2 1
2 1
P09
P08 P07
CN600
CN601
CT
CN602
CN603
RELAY
CN701
P06
SURGE
ABSORBER
VARISTOR
FUSE
2
T25A
F01
250V~
P03 P01
WHITE (S)
1
2 3
L N
POWER
The sign in ( ) is displayed
SUPPLY
in the terminalcover
220 to 240
50Hz
Color Identification
BLK : BLACK
BLU : BLUE
RED : RED
GRY : GRAY
PNK : PINK
GRN : GREEN
CM : Compressor
PMV : Pulse modulating valve
FM : Fan motor
TE : Heat exchanger Temp. Sensor
TD : Discharge Temp. Sensor
TO : Outdoor Temp. Sensor
TS : Suction Temp. Sensor
IGBT : Insulated Gate Bipolar Transistor
DB01 : Converter module
CT : Curreut Transformer
Q300 : Fan motor driver module
TE
1 1
2 2
TD
1 1
2 2
3 3
TO
1 1
2 2
TS
1 1
2 2
3 3
1 1
2 2
3 3
COIL FOR
4-WAY VALVE
BLK
BLK
1 1
YEL
2 2
RED
3 3
PMV
ORN
4 4
RED
5 5
GRY
PULSE
6 6
MODULATING
CN703
VALVE
TERMINAL OF COMPRESSOR
BLACK (C)
RED (R)
WHI : WHITE
BRW : BROWN
ORN : ORANGE
YEL : YELLOW
PUR : PURPLE
NOTE