Manual 2100-614K
Page 61 of 61
TABLE 2
Temperature Sensor Table
Value measured at sensor connections to the main controller board with controller powered up
F Kelvin VDC
60 288.7056 2.887
61 289.2611 2.893
62 289.8167 2.898
63 290.3722 2.904
64 290.9277 2.909
65 291.4832 2.915
66 292.0387 2.920
67 292.5942 2.926
68 293.1497 2.931
69 293.7052 2.937
70 294.2607 2.943
71 294.8162 2.948
72 295.3717 2.954
73 295.9272 2.959
74 296.4827 2.965
75 297.0382 2.970
76 297.5937 2.976
77 298.1492 2.981
78 298.7047 2.987
79 299.2602 2.993
80 299.8157 2.998
81 300.3712 3.004
82 300.9267 3.009
F Kelvin VDC
83 301.4822 3.015
84 302.0377 3.020
85 302.5932 3.026
86 303.1487 3.031
87 303.7042 3.037
88 304.2597 3.043
89 304.8152 3.048
90 305.3707 3.054
91 305.9262 3.059
92 306.4817 3.065
93 307.0372 3.070
94 307.5927 3.076
95 308.1482 3.081
96 308.7037 3.087
97 309.2592 3.093
98 309.8147 3.098
99 310.3702 3.104
100 310.9257 3.109
101 311.4812 3.115
102 312.0367 3.120
103 312.5922 3.126
104 313.1477 3.131
105 313.7032 3.137
NOTES
1. If sensor is connected in reverse (copper wire to AG terminal and silver wire to CU terminal), the voltage across the two
terminals will measure approximately .7vDC. Controller must be "On".
2. If sensor connected with reverse polarity, the display should read 00.
3. Cannot check sensor by disconnecting leads and measuring ohms, but ohmmeter can be used to check for bad sensor
(innity would = open and continuity = shorted).
4. If sensor is open or lead broken/disconnected, the display will show the setpoint.
5. If sensor appears to be OK, try reconnecting to either R1 or R2 input terminals. If controller now works OK, something
wrong with "Loc" input circuit. OK to leave this way.
6. If more than one sensor is connected and one fails, the controller will operate OK from the functional sensor.
7. If only one sensor and it fails or is disconnected, 1st stage cooling will default "On" if it was calling for cooling when
sensor went out. If additional stages were on at the time, they will turn off.
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