Toshiba MMU-P0121H Service Manual page 128

3Ø lightning
surge
P.C. board
MCC-1357
L1
L2
3Ø 4 wires
AC 380/400/415V,
50Hz
L3
AC 380V, 60Hz
N
MG-SW1
Fixed-speed
compressor1
Fixed-speed
high pressure
SW1
Fixed-speed
I.O.L1
Fixed-speed MG-SW1
MG-SW2
Fixed-speed
compressor2
Fixed-speed
high pressure
SW2
Fixed-speed
I.O.L2
Fixed-speed MG-SW2
This is not provided to 6HP fixed- speed model. ( Dotted Line)
Power transformer
CN402 CN403
CN100
6.3A
L1
Phase order
6.3A
CN400
L2
6.3A
L3
synchronization
CN401
N
Fixed-speed
compressor1
1
CN305
Fixed-speed
compressor2
1
CN307
CN306
1
3
CN306
RY301
5
CN306 Self-hold
relay1
CN305
3
RY302
CN305
5
CN308
1
3
CN308
RY301
5
Self-hold
CN308
relay2
CN307
3
RY303
CN307
5
RY309
RY310
RY311
RY316
RY304 RY314 RY312
CN311 CN311 CN312 CN316 CN317 CN314 CN312
Heater
SV41 SV42 SV2 4WV SV3C SV3A
12V
Power
5V
circuit
detection
AC
alarm
communication1
alarm
MCU
TMP88PS49N
Relay
driver
TD62C852P
PMV driver
TD62064AP
Fan
RY313 RY315
TLP666JF
CN313 CN315 CN312 CN302 CN301 CN300
Heater
SV3B PMV3 PMV2 PMV1
FAN
This is not provided to 6HP fixed- speed model. (PMV 2, TD 2)
Interface P.C. board
MCC-1343
P
BUS
Q
CN601
EEPROM(SWRT)
Set up SW
7 segment LED
7 segment
display circuit
Model/
function set up
Multiplexer
TC4051BP (N)
TD1TD2 TS TE1TK1TK2TK3 Pd Ps