2-4
CONTROLS
Model C152 & C161
Controls
2
2. Press the Standby button.
3. When the main refrigeration system cycles off, draw
a sample portion and check the product’s
temperature.
4. To get the desired standby temperature, make a
slight clockwise adjustment and wait until the main
refrigeration cycles off.
Thermistor Curve
When checking a thermistor probe, first determine the
present temperature at the probe and find it on this table,
along with the approximate correct ohmmeter reading.
The ohmmeter reading may vary from the correct one.
Determine whether the difference is acceptable. If a
probe is faulty, the difference will be great.
Table 2-1
ºF ºC
Kilo Ohm
-10 -23.3 118.201
-9 -22.7 114.394
-8 -22.2 110.709
-7 -21.6 107.143
-6 -21.1 103.692
-5 -20.5 100.352
-4 -20.0 97.120
-3 -19.4 94.085
-2 -18.8 91.144
-1 -18.3 88.296
0 -17.7 85.536
1 -17.2 82.863
2 -16.6 80.273
3 -16.1 77.765
4 -15.5 75.334
5 -15.0 72.980
6 -14.4 70.627
7 -13.8 68.350
8 -13.3 66.147
9 -12.7 64.014
10 -12.2 61.951
11 -11.6 59.953
12 -11.1 58.021
13 -10.5 56.150
14 -10.0 54.340
15 -9.4 52.854
16 -8.8 51.409
17 -8.3 50.003
18 -7.7 48.636
19 -7.2 47.306
20 -6.6 46.012
21 -6.1 44.754
22 -5.5 43.530
23 -5.0 42.340
24 -4.4 41.136
25 -3.8 39.967
26 -3.3 38.830
27 -2.7 37.727
28 -2.2 36.654
29 -1.6 35.612
30 -1.1 34.599
31 -0.5 33.616
32 0 32.660
33 0.5 31.760
34 1.1 30.885
35 1.6 30.035
36 2.2 29.207
37 2.7 28.403
38 3.3 27.620
39 3.8 26.859
40 4.4 26.120
41 5.0 25.400
42 5.5 24.721
43 6.1 24.059
44 6.6 23.416
ºF ºC
Kilo Ohm
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