29
MU-GA80VB -
Outdoor deicer P.C. board
E1
Varistor
(NR62)
Fuse
3.15A / 250V
}
12V DC
}
5V
DC
+
+
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
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
"
)
CN662
1
-
2
Discharge temper-
ature thermistor
(RT62)
(Refer to page 28.)
CN662
3
-
4
Ambient temperature
thermistor (RT63)
(Refer to page 28.)
LEV
connector
(CN724)
Fan motor
connector
(CN711)
Varistor
(NR61)
CN730
1
-
3
230V AC
}
(Refer to
page 26
or 27.)
}
R601 10V DC
(Refer to page 27.)
(Refer to
page 26 or
27.)
J101
J401
+
9-5. Test point diagram and voltage
OB370-1.qxp 04.10.14 1:45 PM Page 29
