Toshiba MMU-P0121H Service Manual page 129

Modular multi system, indoor unit, outdoor unit.
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3Ø noise filter
L1
P.C. bord
MCC-1366
L2
(Including
lightning surge
3Ø 4 wires
protective circuit)
AC 380/400/415V,
L3
50Hz
CN23
CN22
AC 380V, 60Hz
N
3
1
3
1
MG-SW
Fixed-speed
compressor
CN400
CN401
Fixed-speed
CN307
high pressure
SW
CN308
CN308
CN308
CN307
Fixed-speed
CN307
I.O.L
Fixed-speed
MG-SW
RY316
RY301
RY311
RY304
CN316
CN311
CN312
CN317
Header
SV42
SV2
4WV
Posister
MG-SW
20A,600V
20A,600V
20A,600V
T02
Power transformer
Inverter high pressure
SW + IOL
CN402
CN403
CN100
12V
L1
6.3A
1
6.3A
Power
3
Phase order
circuit
L2
detection
6.3A
L3
1
AC
synchronization
3
N
1
Fixed-speed
MCU (2)
1
compressor1
TMP87PS38N
alarm
3
RY301
5
Self-hold relay
EEPROM
3
(SWRT)
5
RY303
Set up SW
7 segment
MCU (1)
display circuit
TMP88PS49N
Relay
driver
TD62C852P
PMW driver
TD62064AP
Fan
RY314
RY312
RY313
TLP666JF
CN314
CN312
CN313
CN304
CN302
CN301
CN300
SV3C
SV3A
SV3B
PMV3
PMV2
PMV1
FAN
Reactor
CN08
*
1
CN01
L1
CN02
L2
CN03
L3
CN06
RY02
Relay driver
MG-SW
CN04
3.15A
L1
D
N
Switching
CN501
transfomer
Interface P.C.board
MCC-1343
5V
CN602
X
BUS
communication3
Y
BUS
P
communication3
Q
CN601
BUS
T02
communication3
current detection
7 segment LED
High pressure
Communication
circuit
Model/function set up
(J01~ J24)
Multiplexer
TC4051BP(N)
TD1TD2 TSTE1TK1TK2TK3
Pd Ps
Reactor
Inverter
compressor
T03
+
+
*
1 : Complex module
(united construction)
CN09
CN10
CN11
*
1
IGBT
CN14
U
CN15
V
CN16
W
Temp. sensor
U V W
XYZ
IGBT
Gate-Drive
power
Insufficient
Over-
voltage
current
detected
detected
AC input
MCU
T5K88N
AC interrupt
SW input
IPDU P.C. board
MCC-1342

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