U-Line UONB115 User Manual & Service Manual page 52

USER GUIDE
Thermistor
Thermistors are used for various temperature readings.
Thermistors provide reliable temperature readings using a
resistance which varies based on surrounding temperatures.
If a faulty thermistor is suspected, it may be tested using
an accurate ohmmeter.
Thermistor connections must be kept clean. A thermistor
connection that has become corroded can cause resistance
values from the thermistor to change as they pass through
a dirty connection to the board.
It is for that reason that we apply dielectric grease to all of
our thermistor connections. Dielectric grease will help to
keep thermistor connections clean and dry.
If you change a thermistor in the unit, please re-apply
dielectric grease to the connection. If you encounter a dirty
thermistor connection, you should replace the thermistor
and the thermistor harness.
This unit has one thermistor located along the right hand
sidewall of the ice bin. It is used to maintain the ice level in
the bin.
Thermistor
Thermistor Resistance Data
Temp (F) Temp (C)
-40 -40
-31 -35
-22 -30
-13 -25
-4 -20
5 -15
14 -10
23 -5
32 0
41 5
50 10
59 15
68 20
77 25
86 30
95 35
104 40
113 45
122 50
131 55
140 60
149 65
158 70
167 75
176 80
-
* (+/ 5%)
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Nominal Resistance
(OHMS)*
169157
121795
88766
65333
48614
36503
27681
2116
16330
12696
9951
7855
6246
5000
4029
3266
2665
2186
1803
1495
1247
1044
879
743
631