Wiring Diagram - Mitsubishi Electric PUHZ-SHW230YKA2 Service Manual

5

WIRING DIAGRAM

PUHZ-SHW230YKA2
SYMBOL
TB1 Terminal Block<Power Supply>
TB2 Terminal Block<Indoor/Outdoor>
MC Motor for Compressor
MF1,MF2 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>
TH32 Thermistor<Suction>
TH34 Thermistor<Comp. Surface>
*
1 MODEL SELECT
The black square ( ) indicates
a switch position.
MODEL SW6
ON
OFF
1 2 3 4 5 6 7 8
230Y
*
SW5-6 2
ON
OFF
1 2 3 4 5 6
*
2 SW5 -1 to 5 : Function Switch.
C. B.
MF1
CNF1
1
7
(WH)
MS
3~
MF2
1 CNF2
7
MS (WH)
3~
3
2
1
CNDC
(PK)
CNS
(WH)
3 1
TB2
S1
S2
TO
INDOOR
S3
UNIT
TB1
L1
POWER
L2
SUPPLY
3N
~
L3
400V 50Hz
N
OCH594B
PUHZ-SHW230YKA2R1
NAME SYMBOL
LEV-A, LEV-B, LEV-C Linear Expansion Valve
ACL4 Reactor
DCL Reactor
CB1, CB2
Main Smoothing Capacitor
RS
Rush Current Protect Resistor
FUSE1, FUSE2
Fuse <T15AL250V >
CY1, CY2 Capacitor
Power Circuit Board
P. B.
N. F. Noise Filter Circuit Board
C. B. Controller Circuit Board
SW1 Switch<Manual Defrost, Defect History Record
SW4 Switch<Test Operation>
SW5 Switch<Function Switch, Model Select>
*
3 Ambient temp. of ZUBADAN Flash Injection becomes effective.
The black square ( ) indicates a switch position.
*
Ambient temp. Ambient temp.
SW9-3, 9-4 4
3ºC or less ON
0ºC or less
OFF
(Default setting)
1 2 3 4
*
4 SW9-1 to 2 : Function Switch
63H 63L
63HS
TH32 TH7 TH6 TH3 TH4 TH34
t˚ t˚ t˚ t˚ t˚
t˚
1 2 1 4 1 2 2 1 1 3 2 1
TH32 TH7/6 TH3 TH4 63HS TH34
(BK) (RD) (WH) (WH) (WH) (RD)
1 3
63L
(RD)
1 3
63H
(YE)
CN2
TRANS
(WH)
1 7
7
F3
CNAC
(WH)
1 2
F4 1
21S4
(GN)
3 4
21S4
P. B.
7
7
CN2
(WH)
1
2
2 CN4
(WH)
1
2
2
CN5
1 (RD)
X52A
BK
BK
TB-P1
RD
DCL
N. F.
CNAC1
(WH) 1 3
LI1
RD
LI2
WH
LI3
BK
NI
BU
GNYE
GD1 GD2
NAME SYMBOL
Reset, Refrigerant Address>
* *
Ambient temp.
SW9-3, 9-4 4 SW9-3, 9-4 4
ON ON
−3ºC or less
OFF OFF
1 2 3 4 1 2 3 4
LEV-C
M
LEV-A LEV-B
M M
3
5
5
* *
1
1 3 1 5
1 5 1 5
CNVMNT CNMNT
LEV-A LEV-B
(WH) (WH)
(WH) (RD)
1 14
CNM
(WH)
CN31
5
CN4
(WH)
1 2
1
5
LEV-C
2
(BU)
SV3
SV1
3 1 3 1 3
/SS
/CH
(WH)
(GY)
SC-W BK
SC-V WH
SC-U RD
BK
TB-L3
TB-L2 WH
TB-L1 RD
TB-P2 TB-C1 TB-N1
CB1 CB2
2
CNCT CNAC2
(RD) 1 2 1 3 (RD)
LO1
RD
LO2
WH
LO3
BK
1 3 3 1
CNDC CNL
(PK) (BU)
ACL4
2
10
NAME
SW6 Switch<Model Select>
SW7 Switch<Function Switch>
SW8 Switch<Function Switch>
SW9 Switch<Function Switch>
SWP Switch<Pump Down>
CN31 Connector<Emergency Operation>
F3, F4 Fuse<T6.3AL250V >
SV1/CH Connector<Connection for Option>
SV3/SS Connector<Connection for Option>
CNM Connector<Connection for Option>
CNMNT Connector<Connection for Option>
CNVMNT Connector<Connection for Option>
CNDM
Connector<Connection for Option>
*
Ambient temp.
SW9-3, 9-4 4
ON
−6ºC or less
OFF
1 2 3 4
When M-NET Adapter is connected
5
CN5
(WH)
5
1
1
M-NET ADAPTER
2
CN2M
CND
(WH)
*
3 (WH)
1
3 1
3
A B S
TB7
M-NET
1
3
MC
W
V
MS
~
3
U