Wiring Diagram - Mitsubishi Electric PUHZ-SW40VHA Service Manual

7

WIRING DIAGRAM

PUHZ-SW40VHA
PUHZ-SW50VHA
SYMBOL
TB1 Terminal Block <Power Supply, Indoor/Outdoor>
Motor for Compressor
MC
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
1
MF1
(WHT)
7
MS
3~
3
TRANS
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
OCH525
PUHZ-SW40VHA-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
63HS
TH7 TH6 TH3 TH4 TH34
t° t° t° t° t°
1 4 1 2 2 1 1 3 2 1 1
TH7/6 TH3 TH4 63HS TH34 LEV-A
(RED) (WHT) (WHT) (WHT) (RED) (WHT)
3
1
63H
(YLW)
CN2
(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
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
(WHT) (RED)
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
t°
5
1
CN2
(WHT)
7
1
3
CY1
CY2
TB1
L N S1 S2 S3
INDOOR
UNIT
10
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