Mitsubishi Electric EHST20C-VM6HB Service Manual page 19

PUHZ-SW100VHA.UK
PUHZ−SW100/120VHA WIRING DIAGRAM
PUHZ-SW100VHA-BS.UK
PUHZ-SW120VHA.UK
PUHZ-SW120VHA-BS.UK
SYMBOL
TB1 Terminal Block <Power Supply, Indoor/Outdoor>
MC Motor for Compressor
MF1, MF2 Fan Motor
21S4 Solenoid Valve (Four-Way Valve)
63H High Pressure Switch
63L Low Pressure Switch
63HS High Pressure Sensor
TH3 Thermistor <Liquid>
TH4 Thermistor <Discharge>
TH6 Thermistor <2-Phase Pipe>
TH7 Thermistor <Ambient>
TH8 Thermistor (internal) <Heat Sink>
TH34 Thermistor <Comp. Surface>
LEV-A, LEV-B Linear Expansion Valve
DCL Reactor
CB Main Smoothing Capacitor
CY1, CY2 Capacitor
63H
C. B.
CNF1
MF1 1
7 (WHT)
MS
3~
MF2 1 CNF2
7
(WHT)
MS
3~
3
TRANS
2
1
CNDC
(PNK)
F2
CNS
(WHT)
F1
3 1
WHT
C B
+
RED
1 MODEL SELECT
*
The black square ( )
MODEL
ON
100V
OFF
1 2 3 4 5 6 7 8
ON
120V
OFF
1 2 3 4 5 6 7 8
* 2 SW5 -1 to 5 : Function Switch
OCH533D
PUHZ-SW100VHAR3.UK
PUHZ-SW100VHAR3-BS.UK
PUHZ-SW120VHAR3.UK
PUHZ-SW120VHAR3-BS.UK
NAME SYMBOL
P. B. Power Circuit Board
U, V, W Connection Terminal <U/V/W-Phase>
LI Connection Terminal <L-Phase>
Connection Terminal <N-Phase>
NI
P2 Connection Terminal
N2 Connection Terminal
Connection Terminal <Reactor>
DCL1, DCL2
IGBT Power Module
EI, E2, E3, E4 Connection Terminal <Ground>
52C 52C Relay
C. B. Controller Circuit Board
Switch <Manual Defrost, Defect History,
SW1
Record Reset, Refrigerant Address>
Switch <Test Operation>
SW4
SW5 Switch <Function Switch, Model Select>
SW6 Switch <Model Select>
LEV-A
63L
63HS
M
TH7 TH6 TH3 TH4 TH34
t° t° t° t° t°
1 4 1 2 2 1 1 3 2 1 1 5
TH7/6 TH3 TH4 63HS TH34 LEV-A
(RED) (WHT) (WHT) (WHT) (RED) (WHT)
1 3
63L
(RED)
1 3
63H
(YLW)
CN2
(WHT)
1 7
7
F3
CNAC
(WHT)
1
2
F4 1
21S4
(GRN)
3 4
21S4
2 7
1 2 1 7
C N4 C N2
(WHT) (WHT)
N2
P2
-
t°
TH8
+
W V U DCL2 DCL1
DCL
V
W U
MS
3~
MC
indicates a switch position.
SW6 SW5-6 * 2
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
BH79B653H01
NAME SYMBOL
LEV-B
M
* 1 * 1
1 5 1 3 1 5
LEV-B CNVMNT CNMNT
(RED) (WHT) (WHT)
1 14
CNM
(WHT)
CN31
1
C N4
(WHT)
3
1 2 1 3 CN52C
1
(RED)
3
2
3
1
5
3 1 3 1 3
S V1
SS
/CH
(WHT)
(GRY)
3
CN52C
(RED)
1 3
52C
52C
2
CNDC
(PNK)
3 1
IGBT
~
~
E4
EI
NI
B LK B LK
S1 S2 S3 TB1
L N
INDOOR
UNIT
POWER SUPPLY
~/N 230V 50Hz
19
NAME
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
P. B.
B LK
1
3
B LK
1
RED
3 W H T
LI
CY1
CY2