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Wiring Diagram - Mitsubishi Electric PUHZ-SW50VHA Service Manual

Split-type, air to water heat pump
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7

WIRING DIAGRAM

PUHZ-SW40VHA
PUHZ-SW40VHA-BS
SYMBOL
TB1
Terminal Block <Power Supply, Indoor/Outdoor>
MC
Motor for Compressor
MF1
Fan Motor
21S4
Solenoid Valve (Four-Way Valve)
63H
High Pressure Switch
63HS
High Pressure Sensor
TH3
Thermistor <Liquid>
TH4
Thermistor <Discharge>
TH6
Thermistor <2-Phase Pipe>
TH7
Thermistor <Ambient>
TH8
Thermistor <Heat Sink>
TH34
Thermistor <Comp. Surface>
LEV-A, LEV-B
Linear Expansion Valve
ACL
Reactor
CY1, CY2
Capacitor
C. B.
CNF1
1
MF1
(WHT)
7
MS
3~
3
1
CNDC
(PNK)
F2
CNS
(WHT)
F1
3
1
P. B.
PFC
*1 MODEL SELECT
The black square ( ) indicates a switch position.
MODEL
SW6
ON
40V
OFF
1 2 3 4 5 6 7 8
ON
50V
OFF
1 2 3 4 5 6 7 8
*2 SW5 -1 to 5 : Function Switch
OCH525C
PUHZ-SW40VHAR1
PUHZ-SW40VHAR1-BS PUHZ-SW50VHA-BS
NAME
SYMBOL
P. B.
R, S
U, V, W
IPM
PFC
CB1, CB2, CB3
N. F.
LI, LO
NI, NO
EI, E2, E3
52C
C. B.
SW1
SW4
LEV-A
63H
63HS
TH7
TH6
TH3
TH4
TH34
1
4 1 2 2 1
1
3
2 1
1
TH7/6
TH3
TH4
63HS
TH34
LEV-A
(WHT)
(RED)
(WHT)
(WHT)
(WHT)
(RED)
1
3
63H
(YLW)
CN2
TRANS
(WHT)
1
7
5
CNAC
F3
(WHT)
1
2
21S4
F4
(GRN)
3
4
RE D
W H T
AC L
M C
MS
3~
W
U
V
IPM
U
R
V
RE D
W
W H T
S
CB1
CB2
CB3
+
+
+
SW5-6 *2
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
POWER SUPPLY
~/N 230V 50Hz
PUHZ-SW50VHA
NAME
Power Circuit Board
Connection Terminal <L/N-Phase>
Connection Terminal <U/V/W-Phase>
Power Module
Converter
Main Smoothing Capacitor
Noise Filter Circuit Board
Connection Terminal <L-Phase>
Connection Terminal <N-Phase>
Connection Terminal <Ground>
52C Relay
Controller Circuit Board
Switch <Manual Defrost, Defect History,
Record Reset, Refrigerant Address>
Switch <Test Operation>
LEV-B
M
M
*1
*1
5
1
5
1
3
1
5
LEV-B
CNVMNT
CNMNT
(RED)
(WHT)
(WHT)
1
14
CNM
(WHT)
CN31
CN52C
CN4
(RED)
(WHT)
1 2
1 2
2
2
SV1
1
3
1
3
1
3
SS
/CH
(WHT)
(GRY)
21S4
RE D
RE D
W H T
2
CN5
1
(RED)
2
2
CN4
1
(WHT)
2
1
TH8
1
CN3
(WHT)
2
3
5
1
CN2
(WHT)
7
1
3
CY1
CY2
TB1
L N
S1 S2 S3
INDOOR
UNIT
14
PUHZ-SW50VHAR1
PUHZ-SW50VHAR1-BS
SYMBOL
NAME
SW5
Switch <Function Switch, Model Select>
SW6
Switch <Model Select>
SW7
Switch <Function Switch>
SW8
Switch <Function Switch>
SW9
Switch <Function Switch>
SWP
Switch <Pump Down>
CN31
Connector <Emergency Operation>
CNDM
Connector <Connection for Option>
CN51
Connector <Connection for Option>
SV1/CH
Connector <Connection for Option>
SS
Connector <Connection for Option>
CNM
Connector <Connection for Option>
LED1, LED2
LED<Operation Inspection Indicators>
F1, F2, F3, F4
Fuse <T6.3AL250V>
X51, X52, X54
Relay
1
3
1
3
1
5
W H T
N. F.
LO
N O
1
2
2
BLK
1
2
2
BLK
LI
N I
EI

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