Wiring Diagram - Mitsubishi Electric PUHZ-SW75VHA Service Manual
Water heat pump
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Also See for PUHZ-SW75VHA:
- Installation manual (18 pages) ,
- Service manual (82 pages) ,
- Service manual (80 pages)
Table of Contents
7
WIRING DIAGRAM
PUHZ-SW75VHA.UK
PUHZ-SW75VHA-BS.UK
SYMBOL
NAME
TB1
Terminal Block
MC
Motor for Compressor
MF1
Fan Motor
21S4
Solenoid Valve (Four-Way Valve)
63H
High Pressure Switch
63HS
High Pressure Sensor
TH3
Thermistor
TH4
Thermistor
TH6
Thermistor <2-Phase Pipe>
TH7
Thermistor
TH8
Thermistor
TH34
Thermistor
LEV-A, LEV-B
Linear Expansion Valve
ACL
Reactor
CY1, CY2
Capacitor
63H
C. B.
CNF1
MF1
1
(WHT)
7
MS
3~
C N F2
1
7
(WHT)
3
TRAN S
1
CNDC
(PNK)
CNAC
F2
(WHT)
CNS
1
(WHT)
F1
3
1
3
P. B.
PFC
R
RED
W H T
S
CB1
+
1 MODEL SELECT
*
The black square ( )
indicates a switch position.
MODEL
SW6
ON
ON
75V
OFF
OFF
1 2 3 4 5 6 7 8
2
SW5 -1 to 5 : Function Switch
*
OCH533A
SYMBOL
P. B.
Power Circuit Board
R, S
Connection Terminal
U, V, W
Connection Terminal
IPM
Power Module
PFC
Converter
CB1, CB2, CB3
Main Smoothing Capacitor
N. F.
Noise Filter Circuit Board
LI, LO
Connection Terminal
NI, NO
Connection Terminal
EI, E2, E3
Connection Terminal
52C
52C Relay
C. B.
Controller Circuit Board
Switch
SW1
Record Reset, Refrigerant Address>
SW4
Switch
LEV-A
LEV-B
63HS
TH7
TH6
TH3
TH4
TH34
M
M
t°
t°
t°
t°
t°
1
4 1 2 2 1
1
3
2 1
1
5
1
TH7/6
TH3
TH4
63HS
TH34
LEV-A
LEV-B
(RED)
(WHT)
(WHT)
(WHT)
(RED)
(WHT)
(RED)
1
1 3
63L
1
3
(RED)
63H
(YLW)
CN4
(WHT)
CN2
1 2
(WHT)
1
7
2
5
F3
2
1
3
1
21S4
F4
(GRN)
4
21S4
RED
RED
W H T
W H T
AC L
M C
MS
3~
W
U
V
CN5
1
(RED)
2
IPM
CN4
1
(WHT)
2
U
1
CN3
V
(WHT)
2
W
1
CN2
(WHT)
CB2
CB3
7
+
+
L N
SW5-6
*
2
1 2 3 4 5 6
POWER SUPPLY
~/N 230V 50Hz
NAME
SYMBOL
SW5
Switch
SW6
Switch
SW7
Switch
SW8
Switch
SW9
Switch
SWP
Switch
CN31
Connector
CNDM
Connector
CN51
Connector
SV1/CH
Connector
SS
Connector
CNM
Connector
LED1, LED2
LED
F1, F2, F3, F4
Fuse
X51, X52, X54
Relay
*
*
1
1
5
1
3
1
5
C N VM N T
C N M N T
(WHT)
(WHT)
14
C N M
(WHT)
CN31
1
3
1
1
3
CN52C
3
(RED)
1
2
5
SV1
3
1
3
SS
/CH
(WHT)
(GRY)
RED
W H T
LO
N O
2
2
1
TH8
3
t°
5
1
3
LI
N I
CY1
CY2
S1 S2 S3
TB1
INDOOR
UNIT
15
NAME
N. F.
1
2
2
1
2
2
EI
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