Toshiba MAR - M81HTM8 - E Service Manual page 9

TOSHIBA
Outdoor Unit
ℜ
3
Noise Filter
Capacitor
λ
1 F x 3
1
Reversing
2
Valve
20SF 3
1
Crankcase 2
Heater 3
Inverter HP
1
Sw
63H1
Inverter Klixon
2
49C1
DOL Klixon 2
49C2
1
DOL HP Sw
1
63H2
2
3
4
W
CM2
V
D.O.L.
Compressor
U
Contactor
52C3
Return
Lock
Fuses
2 x 7A
Surge
Absorber
Surge
Absorber
= 240 v ac Live (not permanent)
= Neutral (not permanent)
= Communication Signal
= Earth
= L1 phase 415ac
= L2 phase 415ac
= L3 phase 415ac
AUGUST 1997
4. Schematic Wiring Diagrams
Electric Starter
Contactor
Rectifier
52C1
(~)
(~)
Contactor
52C2
(~)
Fuses
20A x 3
Tr1
ℜ
1
Noise
Filter
Fuse 20A
ℜ
1
Noise
Filter
L1 L2 L3 N 1
POWER SUPPLY M/C (1)
ℜ
50Hz 3 380/415 v
= dc high voltage live
= dc high voltage neutral
= 3Ø for Inv Compressor
= dc low voltage
= ac low voltage
= ac low voltage
Reactor
Smoothing Circuit
λ
2200 F/400v x 2
47k Ω /20W x 2
1 2
ℜ
1
Noise
Filter
CD2
1 2 3 4
1 2 3 4 5 6 7
1 2 3 4
CN4
CN8
CD1
ThE
3
2 CN121
1
1
2
3
CN6
4
5
6
7
1
2 PJ5
3
Display LED x 8
P2
Display
P1
Switch
INTERFACE CONTROL
PJ10 PJ11
1 2 3 4 5 1 2 3 4 5
6
5
4
3
2
1
1 2
7 8 9 10
CAPACITORS
λ
2200 F x 2
2 3 1 2 3
M/C (2)
Note :The colours used in this diagram are not
representative of those on the actual producct,
they are intended to indicate the status of each
wire.
Page 9
Giant
Transistor
W
V U +
+
- -
CD2
1 2 3 4 5 6 7
1 2 3 1 2 3 1 2 3
CN24 CN23 CN22 CN25
3
P01
Gate Drive PCB
2
CN2
1
P02 MCC - 1252
CN21
1 2 3 4 5 6 7 8 9
Thermal Fuse
TRS
1 2 3 4 5 6 7 8 9
1 2 3
CN9 CN5
CN1
Tr2
INVERTER CONTROL
PCB
MCC - 1251
CN2
ThD1 ThD2 ThS
Pressure
Sensor
1 2 3 1 2 3 1 2 3
PJ6 PJ1 PJ2 PJ3
WHI BLK BLU
PCB
MCC - 1211
PJ12 PJ16 PJ15 PJ7 PJ8
1 2 3 4 5 6 7 8 9 1 2 3
1 2 3 4 5 1 2 5 4 3 2 1
R C 2 R C 1
11 12
1 2 3 4 5 6 7 8 9 1 2 3 4 1 2 3 4 1 2 3 4 5 6
1 2
SV1
SV2
FM2 FM1
SV3
PMV1
Fan Motors
Low Pressure
Solenoid Valves
Switch 63L
U V W
CM1
Inverter
Compressor
Pulsed
Modulating
Valve