Mitsubishi Electric EHST20C-VM6HB Service Manual page 20

PUHZ-SW100VHAR4.UK
PUHZ-SW100VHAR4-BS.UK
SYMBOL NAME
Terminal Block <Power
TB1
Supply, Indoor/Outdoor>
MC Motor for Compressor
MF1, MF2 Fan Motor
21S4 Solenoid Valve (4-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>
C. B.
MF1
1 CNF1
(WH)
7
MS
3~
MF2
1 CNF2
7 (WH)
MS
3~
1
2
3
CNDC
(PK)
CNS
(WH)
3 1
W
V
W
MS
3~
MC
OCH533D
PUHZ-SW120VHAR4.UK
PUHZ-SW120VHAR4-BS.UK
SYMBOL NAME
TH7 Thermistor <Ambient>
TH8 Thermistor internal <Heat Sink>
TH34 Thermistor <Comp. Surface>
Linear Expansion Valve
LEV-A, LEV-B
DCL Reactor
CY1, CY2 Capacitor
P. B. Power Circuit Board
C. B. Controller Circuit Board
Switch <Manual Defrost, Defect History
SW1
Record Reset, Refrigerant Address >
Switch <Function Switch >
SW4
63H 63L
TH7 TH6 TH3 TH4
t° t° t° t°
1 4 1 2 2 1
TH7/6 TH3 TH4
(RD) (WH) (WH)
1 3
63L
1 3
(RD)
63H
(YE)
TRANS
CN2
(RD)
1 7
7
F2 F3
CNAC
(WH)
1 2
F1 F4
3 4
2 7
1 2
CN4
1
CN2
(WH)
(RD)
-
t°
TH8
+
V U DCL2 DCL1
BK WH
DCL
U
SYMBOL NAME
Switch <Function Switch, Model Select >
SW5
SW6 Switch <Model Select >
Switch <Function Switch >
SW7
SW8 Switch <Function Switch >
SW9 Switch <Function Switch >
Switch <Pump Down >
SWP
CNDM Connector <Connection for Option >
Connector <Connection for Option >
SV1/CH
SV3/SS Connector <Connection for Option >
CNM Connector <Connection for Option >
F1, F2, F3, F4 Fuse <T6.3AL250V >
LEV-A LEV-B
63HS
M M
TH34
t°
1 3 2 1 1 5 1 5
63HS TH34 LEV-A LEV-B
(WH) (RD) (WH) (RD)
1
CNM
(WH)
CN52C
(RD)
CN4
1 3
(WH)
1 2
3
2
1 3 1 3 1 3
21S4 SV1/CH SV3/SS
(GN) (GY) (WH)
21S4
7
2
CNDC
(PK)
3 1
IGBT
~
~
E4
EI
NI
BK BK
S1 S2 S3 TB1
L N
TO
INDOOR
UNIT
POWER SUPPLY
~/N 230V 50Hz
20
*1 MODEL SELECT
The black square ( ) indicates a switch position.
MODEL SW6
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
*1 *1
14
1 3
CNDM
(WH)
3
P. B.
CN52C
(RD)
1 3
BK
E3
1
3
BK
E2
1
3
LI
CY1
CY2
SW5-6 *2
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6