Mitsubishi Electric EHST20C-VM6HB Service Manual page 21

PUHZ-SW100/120YHA WIRING DIAGRAM
PUHZ-SW100YHA.UK
PUHZ-SW100YHA-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.
MF1 1
MS
3~
1
MF2
MS
3~
2
CNDC
(PNK)
CNS
(WHT)
3
TB2
S1
S2
INDOOR
UNIT
S3
POWER
SUPPLY
3N~
400V 50Hz
OCH533D
PUHZ-SW120YHA.UK
PUHZ-SW120YHA-BS.UK
NAME SYMBOL
P. B.
TB-U/V/W
TB-L1/L2/L3
TB-N
X52CA
N. F.
LI1/LI2/LI3/NI
LO1/LO2/LO3/NO
GD1, GD3
CONV. B.
L1-A1/IN
L1-A2/OU
L2-A2/OU
L3-A2/OU
N-IN
CK-OU
63H 63L
63HS
TH7 TH6 TH3 TH4 TH34
t° t° t° t° t°
CNF1
1 4 1 2 2 1 1 3 2 1
7 (WHT)
TH7/6 TH3 TH4 63HS TH34
(RED) (WHT) (WHT) (WHT) (RED)
CNF2
7 (WHT)
1 3
63L
(RED)
1 3
63H
(YLW)
3
CN2
TRANS
(WHT)
1 7
1
7
F2 F3
CNAC
(WHT)
1 2
F4
F1
1 3 4
P. B.
V W
U
MS
3~
MC
N. F.
CNAC1
(WHT)
1 3
TB1
LI1
RED
L1
LI2
WHT
L2
LI3
BLK
L3
NI
BLU
N
GD1
BH79B654H01
NAME
Power Circuit Board
Connection Terminal <U/V/W-Phase>
Connection Terminal <L1/L2/L3-Power Supply>
Connection Terminal
52C Relay
Noise Filter Circuit Board
Connection Terminal <L1/L2/L3/N-Power Supply>
Connection Terminal <L1/L2/L3/N-Power Supply>
Connection Terminal <Ground>
Converter Circuit Board
Connection Terminal <L1-Power Supply>
Connection Terminal <L1-Power Supply>
Connection Terminal <L2-Power Supply>
Connection Terminal <L3-Power Supply>
Connection Terminal
Connection Terminal
LEV-A LEV-B
M M
*
1
1 5 1 5 1 3 1 5
LEV-A LEV-B CNVMNT CNMNT
(WHT) (RED) (WHT) (WHT)
1 14
CNM
(WHT)
CN4
(WHT)
1 2
1 3 CN52C
(RED)
2
SV1
1 3 1 3 1 3 SS
21S4
/CH
(WHT)
(GRN)
(GRY)
21S4
TH8
3 7
2 2
t°
1 3 1 2 1 2 1 7 1 2
CN2
CN7 CN6 CN5 CN4
(WHT)
(WHT) (WHT) (WHT)
(RED)
BLK
WHT
RED
RED
RED
RS
X52CA
TB-N
CK
2
CNCT CNAC2
(RED) 1 2 (RED)
1 3
+
+
-
1 3
3 1
CNDC CNL
GD3
(PNK) (BLU)
2
21
SYMBOL NAME
C. B. 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>
CNM Connector <Connection for Option>
LED1, LED2 LED <Operation Inspection Indicators>
F1, F2, F3, F4 FUSE <T6.3AL250V>
X51, X52, X54 Relay
*
1
CN31
1
3
1
3
* 1 MODEL SELECT
1
The black square ( ) indicates a switch position.
5
MODEL SW6
ON ON
100Y
OFF OFF
1 2 3 4 5 6 7 8
ON ON
120Y
OFF OFF
1 2 3 4 5 6 7 8
* 2 SW5 -1 to 5 : Function Switch
3
3
CONV. B.
1
ACL1
LO1
RED
ACL2
LO2
WHT
ACL3
LO3
BLK
NO
BLU
ACL4
SW5-6 2
*
1 2 3 4 5 6
1 2 3 4 5 6