Wiring Diagram - Mitsubishi Electric PUHZ-SW75VAA-SC Service Manual

6

WIRING DIAGRAM

PUHZ-SHW80VAA.UK
PUHZ-SHW80VAA-BS.UK
SYMBOL
TB1 Terminal Block <Power Supply, Indoor/Outdoor>
MC Motor for Compressor
MF1 Fan Motor
21S4 Solenoid Valve (4-Way Valve)
63H High Pressure Switch
63L Low Pressure Switch
63HS High Pressure Sensor
TH3 Thermistor <Liquid>
TH4 Thermistor <Discharge>
TH6 Thermistor <2-Phase Pipe>
TH7 Thermistor <Ambient>
TH8 Thermistor <Heat Sink>
TH32 Thermistor <Suction>
TH33 Thermistor <Comp. Surface>
LEV-A, LEV-B, LEV-C Linear Expansion Valve
DCL1, DCL2, DCL3 Reactor
CY1, CY2 Capacitor
TH33
C. B.
MF1
CNF1(WH)
5
MS
3~
TH33
1 7
1
2
3
CNDC
(PK)
F2
CNS
(WH)
F1
1
3
MS
3~
MC
RD BU GNYE YE
L N S1 S2 S3
POWER SUPPLY
~/N
230V 50Hz
*3 Ambient temp. of ZUBADAN Flash Injection becomes effective.
The black square ( ) indicates a switch position.
Ambient temp.
SW9-3, 9-4 *4
3°C or less
ON
OFF
(Default setting)
1 2 3 4
*4 SW9-1 to 2 : Function Switch
OCH651A
PUHZ-SHW112VAA.UK
PUHZ-SHW112VAA-BS.UK
NAME SYMBOL
P. B. Power Circuit Board
C. B. Controller Circuit Board
Switch <Manual Defrost, Defect History Record Reset,
SW1
Refrigerant Address>
SW4 Switch <Function Switch>
SW5 Switch <Function Switch>
SW6 Switch <Function Switch, Model Select>
SW7 Switch <Function Switch>
SW8 Switch <Function Switch>
SW9 Switch <Function Switch>
SWP Switch <Pump Down>
Connector <Connection for Option>
CNDM
SV1/CH Connector <Connection for Option>
SV3/SS Connector <Connection for Option>
CNM Connector <Connection for Option>
F1, F2, F3, F4 Fuse <T6.3AL250V>
TH32 TH7 TH6 TH3 63 L 63H TH4
t° t° t° t° t°
t°
1 3
1 2 1 1 2 2 1
4
TH32
TH7/6 TH3 TH4
(YE) (BK)
(RD) (WH) (WH)
1 3 1 3
63L 63H
(RD) (YE)
CN2
TRANS
(RD)
1 7
7
F3
CNAC
(WH)
1 2
F4
3 4
TH8
P. B.
2
t°
1 2 1 2
CN6 CN4
(WH) (WH)
2
CNDC
1 3
(PK)
IC600
BK
W W
V WH V
U RD U
7
1 7
CN2
(RD)
CY1
OG BN
CY2
TB1
TO
INDOOR UNIT
Ambient temp. Ambient temp.
SW9-3, 9-4 *4 SW9-3, 9-4 *4
ON ON
0°C or less –3°C or less
OFF OFF
1 2 3 4
1 2 3 4
NAME
63HS LEV-A LEV-B LEV-C
M M M
5 5 5
1 5 1 5
1 3
LEV-A LEV-B
63HS
(WH) (RD)
(WH)
1 14
CNM
LED2 LED1
(WH)
CN4
1
(WH) LEV-C
1 2
(BU)
2
1 3 1 3
SV3/SS
SV1/CH
(GY) (WH)
1 3
CNAC2
(RD)
DS
- ~
IC500
+ ~
BK WH RD BK
RD WH
DCL1
DCL2
DCL3
Ambient temp.
SW9-3, 9-4 *4
ON
–6°C or less
OFF
1 2 3 4
13
* 1
* 3
5
1 3
CNDM
(WH)
1 3
21S4
(GN)
21S4
1 3
CNAC1
LI NI
(WH)
E2
BK
EI
BK
E3
BK
E4
BK
*1 MODEL SELECT
The black square ( ) indicates a switch position.
SW6 *2
MODEL
ON
80V
OFF
1 2 3 4 5 6 7 8
MODEL SW6 *2
ON
112V
OFF
1 2 3 4 5 6 7 8
*2 SW6 -1 to 3 : Function Switch