Wiring Diagram - Mitsubishi Electric PUHZ-SW75VHA Service Manual

7

WIRING DIAGRAM

PUHZ-SW75VHA.UK
PUHZ-SW75VHA-BS.UK
SYMBOL NAME
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
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 <L/N-Phase>
U, V, W
Connection Terminal <U/V/W-Phase>
IPM Power Module
PFC Converter
CB1, CB2, CB3 Main Smoothing Capacitor
N. F. Noise Filter Circuit Board
LI, LO Connection Terminal <L-Phase>
NI, NO Connection Terminal <N-Phase>
EI, E2, E3 Connection Terminal <Ground>
52C
52C Relay
C. B. Controller Circuit Board
Switch <Manual Defrost, Defect History,
SW1
Record Reset, Refrigerant Address>
SW4 Switch <Test Operation>
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 <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 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