38
MUH-A24WV -
MUH-A30WV -
Outdoor deicer P.C. board
E1
E1
Varistor
(NR62)
Fuse
3.15A / 250V
Defrost
interval
time short
pin(JPG1,
R871)
(Refer to
page 29.)
}
12V DC
Jumper wire for
change in defrost
setting (JRF, JRG)
(Refer to page 29.)
}
5V
DC
+
+
CN661
1
-
2
Defrost ther-
mistor (RT61)
(Refer to
page 36.)
Temperature(
:
)
Discharge temperature thermistor(RT62)
Resistance(k
"
)
0 10 20 30 40 50 60 70 80 90 100 110 120
0
100
200
300
400
500
600
700
800
900
Defrost thermistor (RT61)
Ambient temperature thermistor (RT63)
-20 -10
0
10
20
30
40
0
10
20
30
40
50
60
70
80
90
100
Temperature(
:
)
Resistance(k
"
)
<MUH-A30WV>
CN662
1
-
2
Discharge temper-
ature thermistor
(RT62)
(Refer to page 36.)
CN662
3
-
4
<MUH-A30WV>
Ambient temperature
thermistor (RT63)
(Refer to page 36.)
<MUH-A30WV>
LEV
connector
(CN724)
Fan motor
connector
(CN711)
Varistor
(NR61)
CN730
1
-
3
230V AC
}
(Refer to
page 33
or 35.)
}
R601 10V DC
(Refer to page 35.)
(Refer to
page 33 or
35.)
J101
J401
+
}
R.V. coil
(CN721)
OB322-2.qxp 03.11.13 4:08 PM Page 38
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