Mitsubishi Electric PUHZ-W50VHA Service Manual page 38

PUHZ-W50VHAR2(-BS)
SYMBOL
TB1
Terminal Block<Power Supply, Interface unit /
Flow temp. controller>
MC Motor for Compressor
MF1 Fan Motor
21S4
Solenoid Valve(Four-Way Valve)
SV Solenoid Valve<Bypass Valve>
63H High Pressure Switch
63HS High Pressure Sensor
TH3 Thermistor<Liquid>
TH4 Thermistor<Discharge>
TH6 Thermistor<Plate HEX Liquid>
TH7 Thermistor<Ambient>
TH8 Thermistor<Heat Sink>
TH32 Thermistor<Inlet Water>
TH33 Thermistor<Comp. Surface>
LEV-A, LEV-B Electronic Expansion Valve
ACL Reactor
CY1, CY2 Capacitor
P. B. Power Circuit Board
R/S Connection Terminal<L/N-Phase>
U/V/W
Connection Terminal<U/V/W-Phase>
C. B.
1 7
CNF1
MF1
(WHT)
MS
3~
3
1
CNDC
(PNK)
F2
CNS
F1
(WHT)
3 1
P. B.
PFC
OCH439M
PUHZ-W50VHAR3(-BS)
NAME SYMBOL
CB1, CB2, CB3
PFC/IPM
N. F.
LI, LO
NI, NO
EI, E2, E3
52C
C. B.
SW1
SW2
SW5
SW6
SW8
SW10
SV1
CNDM
LED3
F1, F2, F3, F4
X52, X54, X55
63H 63HS
TH33 TH32 TH7 TH6 TH3 TH4
t° t° t° t° t° t°
1 2 1 2 1 4 1 2 1 2 1
TH33 TH32 TH7/6 TH3 TH4 63HS
(YLW) (BLK) (RED) (WHT) (WHT) (WHT)
1 3
63H
(YLW)
TRANS
CN2
(WHT)
1 7
5
F3
CNAC
(WHT)
2
1
F4
21S4
(GRN)
3
4
RED
WHT
ACL
MC
MS
3~
W U
V
IPM
U
R
V
RED
W
WHT
S
CB1 CB2 CB3
NAME
Main Smocthing Capacitor
Power Module
Noise Filter Circuit Board
Connection Terminal<L-Phase>
Connection Terminal<N-Phase>
Connection Terminal<Ground>
52C Relay
Controller Circuit Board
Switch<Function Switch>
Switch<Function Switch>
Switch<Function Switch, Model Select>
Switch<Model Select>
Switch<Function Switch>
Switch<Function Switch, Model Select>
Connector<Connection for Option>
Connector<Connection for Option>
LED<Operation/Inspection Indicators>
Fuse<T6.3AL250V>
Relay
LEV-A LEV-B
M M
3 3 1 5
1 6 1 6 1
LEV-A LEV-B
CNVMNT CNMNT
(WHT) (RED)
(WHT) (WHT)
CN52C
CN4
(RED)
(WHT)
1 2
1 2
2
2
3 1 3 1 SV2 3 1 SV1
(BLU) (GRY)
21S4 SV
RED
WHT
2
1
CN5
(RED)
2
2
1
CN4
(WHT)
2
TH8
1
CN3
(WHT)
2
t°
5
1
CN2
(WHT)
7
CY1
CY2
L N S1 S2 S3
TB1
Interface unit /
Flow temp. controller
POWER SUPPLY
~ / N 230V 50Hz
38
*
1 MODEL SELECT
The black square ( ) indicates a switch position.
*
SW5-4 2 SW6
ON ON
OFF OFF
1 2 3 4 1 2 3 4 5 6
*
2 SW5 -1 to 3 : Function Switch
SW10 -1 : Function Switch
* *
1 1
*
1
1
LED3
3
1
3
1
5
RED
WHT
N. F.
LO NO
2
1
2
BLK
1
3
1
2
2
BLK
1
3
LI EI
NI
*
SW10-2 2
ON
OFF
1 2