Mitsubishi Electric PUHZ-W50VHA Service Manual page 45

Split-type, air to water heat pump r410a
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PUHZ-HW112YHA2R5(-BS)
PUHZ-HW112YHA2R6(-BS)
PUHZ-HW112YHA2R7(-BS)
SYMBOL
NAME
TB1
Terminal Block<Power Supply>
TB2
Terminal Block<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<Plate HEX Liquid>
TH7
Thermistor<Ambient>
TH8
Thermistor<Heat Sink>
TH32
Thermistor<Inlet Water>
TH33
Thermistor<Suction>
TH34
Thermistor<Comp. Surface>
LEV-A, LEV-B, LEV-C
Linear Expansion Valve
ACL1, ACL2, ACL3, ACL4
Reactor
CY1, CY2
Capacitor
CK
Capacitor
TH33
TH32
C. B.
1
3
1
MF1
1
7
TH33
TH32
MS
CNF1
(YE)
(BK)
3~
(WH)
MF2
1
7
MS
CNF2
3~
(WH)
1
TRANS
3
CNDC
2
(PK)
F2
CNAC
CNS
(WH)
(WH)
1
F1
3
1
3
TB2
S1
S2
TO
INDOOR
S3
UNIT
TB1
RD
L1
WH
POWER
L2
SUPPLY
3N ~
BK
L3
400V 50Hz
BU
N
OCH439M
PUHZ-HW140YHA2R5(-BS)
PUHZ-HW140YHA2R6(-BS)
PUHZ-HW140YHA2R7(-BS)
SYMBOL
RS
Rush Current Protect Resistor
P. B.
Power Circuit Board
N. F.
Noise Filter Circuit Board
CONV. B.
Converter Circuit Board
C. B.
Controller Circuit Board
Switch<Manual Defrost, Defect History
SW1
Record Reset, Function Switch>
SW2
Switch<Function Switch>
SW4
Switch<Function Switch>
SW5
Switch<Function Switch, Model Select>
SW6
Switch<Model Select>
SW7
Switch<Function Switch>
SW8
Switch<Function Switch>
SW9
Switch<Function Switch>
CNDM
Connector<Connection for Option>
SV1/CH
Connector<Connection for Option>
SV3/SS
Connector<Connection for Option>
F1, F2
Fuse<T10AL250V>
F3, F4
Fuse<T6.3AL250V>
63H
63L
63HS
TH7 TH6 TH3 TH4
TH34
2
1
4
1 2
2
1
1
3
2
1
1
3
63HS
TH34
TH7/6
TH3
TH4
(WH)
(RD)
(RD)
(WH)
(WH)
63L
(RD)
1
3
CN4
63H
(WH)
(YE)
1 2
CN2
(RD)
1
7
2
7
F3
2
1
3
F4
4
TH8
3
7
2
P. B.
1
2
1
2
1
1
3
CN7
CN6
CN5
(WH)
(WH)
(RD)
BK
L3OUT
X52CB
WH
--
+
TB-N
+
+
V
U
MS
W
3 ~
MC
N. F.
CNAC1
(WH)
1
3
LI1
LI2
LI3
NI
GD1
GD3
NAME
SW7-3 to 6 : Function Switch
The black square ( ) indicates a switch position.
LEV-C
M
LEV-A
LEV-B
M
M
5
1
5
1
5
LEV-A
LEV-B
(WH)
(RD)
5
1
5
LEV-C
LED3
(BU)
1
3
1
3
21S4
SV1/CH
SV3/SS
(GN)
(WH)
(GY)
21S4
2
7
1
2
CN2
CN4
(RD)
(WH)
TB-L3
RD
RS
RD
RD
TB-L1
X52CA
3
3
CK
1
2
CNCT
CNAC2
(RD)
(RD)
1
2
1
3
LO1
RD
LO2
WH
LO3
BK
NO
BU
+
+
--
1
3
3
CNDC
1
CNL
(PK)
(BU)
ACL4
2
45
MODEL
SW6
ON
ON
112Y
OFF
OFF
1 2 3 4 5 6 7 8
1 2 3 4 5 6
ON
ON
140Y
OFF
OFF
1 2 3 4 5 6 7 8
1 2 3 4 5 6
SW7-1, 7-2
Ambient temp.
SW7-1, 7-2
ON
3ºC or less
ON
OFF
OFF
(Default setting)
1 2 3 4 5 6
1 2 3 4 5 6
ON
ON
0ºC or less
OFF
OFF
1 2 3 4 5 6
1 2 3 4 5 6
CNDM
(WH)
1
3
CONV. B.
ACL1
ACL2
ACL3
Ambient temp.
−3ºC or less
−6ºC or less

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