Mitsubishi Electric EHST20C-VM6HB Service Manual page 22

PUHZ-SW100/120YHA WIRING DIAGRAM
PUHZ-SW100YHAR1.UK
PUHZ-SW100YHAR1-BS.UK
PUHZ-SW120YHAR1.UK
PUHZ-SW120YHAR1-BS.UK
SYMBOL
TB1 Terminal Block <Power Supply>
TB2 Terminal Block <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 <Heat Sink>
TH34 Thermistor <Comp. Surface>
LEV-A, LEV-B Linear Expansion Valve
ACL1, ACL2, ACL3, ACL4 Reactor
CY1, CY2 Capacitor
CK Capacitor
RS Rush Current Protect Resistor
C. B.
1 CNF1
MF1
7 (WHT)
MS
3~
1
MF2 CNF2
7 (WHT)
MS
3~
3
2
1
CNDC
(PNK)
CNS
(WHT)
3 1
TB2
S1
S2
INDOOR
UNIT
S3
TB1
L1
L2
POWER
SUPPLY
3N~
400V 50Hz L3
N
OCH533D
PUHZ-SW100YHAR3.UK
PUHZ-SW100YHAR3-BS.UK
PUHZ-SW120YHAR3.UK
PUHZ-SW120YHAR3-BS.UK
NAME SYMBOL
P. B. Power Circuit Board
TB-U/V/W
Connection Terminal <U/V/W-Phase>
TB-L1/L2/L3
Connection Terminal <L1/L2/L3-Power Supply>
TB-N Connection Terminal
X52CA/B
52C Relay
N. F.
Noise Filter Circuit Board
LI1/LI2/LI3/NI
Connection Terminal <L1/L2/L3/N-Power Supply>
LO1/LO2/LO3/NO Connection Terminal <L1/L2/L3/N-Power Supply>
GD1, GD3 Connection Terminal <Ground>
CONV. B. Converter Circuit Board
L1-A1/IN Connection Terminal <L1-Power Supply>
L1-A2/OU Connection Terminal <L1-Power Supply>
L2-A2/OU Connection Terminal <L2-Power Supply>
L3-A2/OU Connection Terminal <L3-Power Supply>
N-IN Connection Terminal
CK-OU Connection Terminal
63H 63L
63HS
TH7 TH6 TH3 TH4 TH34
t° t° t° t° t°
1 4 1 2 2 1 1 3 2 1
TH7/6 TH3 TH4 63HS TH34
(RED) (WHT) (WHT) (WHT) (RED)
1 3
63L
(RED)
1 3
63H
(YLW)
CN2
TRANS
(WHT)
1 7
7
F2 F3
CNAC
(WHT)
1 2
F4
F1
21S4
(GRN)
3 4
3
P. B.
V W
U
MS
3~
MC
N. F.
CNAC1
(WHT)
1 3
LI1
RED
LI2
WHT
LI3
BLK
NI
BLU
GD1 GD3
NAME
C. B.
LEV-A LEV-B
M M
* 1 * 1
1 5 1 5 1 3 1 5
LEV-A LEV-B CNVMNT CNMNT
(WHT) (RED) (WHT) (WHT)
1 14
CNM
(WHT)
CN31
CN4
(WHT)
1 2
CN52C
1 3
(RED)
2
SV1
1 3 1 3 1 3 SS
/CH
(WHT)
(GRY)
21S4
TH8
7
2 2
t°
1 3 1 2 1 2 1 7 1 2
CN2
CN7 CN6 CN4
CN5
(WHT)
(WHT) (WHT) (RED) (WHT)
L3OUT TB-L3
BLK BLK
X52CB
WHT
RED
X52CA
RS
RED
RED
TB-L1
TB-N
CK
2
CNCT CNAC2
(RED) 1 2 (RED)
1 3
LO1
LO2
LO3
NO
+
+
-
1 3 3 1
CNDC CNL
(PNK) (BLU)
2
22
SYMBOL NAME
Controller Circuit Board
Switch <Manual Defrost, Defect History,
SW1
Record Reset, Refrigerant Address>
SW4 Switch <Test Operation>
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>
Connector <Connection for Option>
CNM
LED1, LED2 LED <Operation Inspection Indicators>
FUSE <T6.3AL250V>
F1, F2, F3, F4
X51, X52, X54 Relay
1
3
1
3
1
* 1 MODEL SELECT
The black square ( ) indicates a switch position.
5
MODEL SW6 SW5-6
ON ON
100Y
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
120Y
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
* 2 SW5 -1 to 5 : Function Switch
3
3
CONV. B.
1
ACL1
RED
ACL2
WHT
ACL3
BLK
BLU
ACL4
* 2