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Table 29 - Motor Temperature Sensor Resistance (check At The Motor) - Quantech QTC4 STYLE A Series Installation Operation & Maintenance

Air-cooled screw liquid chillers with variable speed drive, 150 - 500 tons, 525 - 1750 kw, 2 compressor, 60 hz.
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FORM QTC4-NM1
ISSUE DATE: 4/2/2018

TABLE 29 - MOTOR TEMPERATURE SENSOR RESISTANCE (CHECK AT THE MOTOR)

TEMP.
ºF (ºC)
-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)
185 (85)
194 (90)
203 (95)
212 (100)
221 (105)
230 (110)
239 (115)
248 (120)
257 (125)
266 (130)
275 (135)
284 (140)
293 (145)
302 (150)
QUANTECH
R NOMINAL
R TOL
(OHMS)
(± %)
97,062
77,941
55,391
42,324
32,654
25,396
19,903
15,713
12,493
10,000
8,056
6,531
5,326
4,368
3,602
2,986
2,488
2,083
1,753
1,481
1,257
1,071
916.9
787.7
679.3
587.9
510.6
445.0
389.0
341.2
300.2
264.9
234.4
208.0
185.0
RMIN
(OHMS)
5.00
92,209
4.60
69,586
4.20
52,996
3.85
40,695
3.50
31,511
3.15
24,596
2.80
19,346
2.50
15,321
2.20
12,218
2.00
9,800
2.40
7,863
2.70
6,354
3.00
5,166
3.25
4,226
3.50
3,476
3.75
2,874
4.00
2,389
4.25
1,995
4.50
1,674
4.75
1,411
5.00
1,194
5.20
1,016
5.40
867.4
5.60
743.6
5.80
639.9
6.00
552.6
6.20
479.9
6.40
416.5
6.60
363.4
6.70
318.4
6.90
279.5
7.10
246.1
7.30
217.3
7.40
192.6
7.50
171.1
SECTION 9 - MAINTENANCE
RMAX
(OHMS)
101,915
76,296
57,643
43,954
33,797
26,196
20,461
16,106
12,768
10,200
8,250
6,707
5,485
4,510
3,728
3,098
2,588
2,172
1,832
1,551
1,321
1,127
966.4
831.9
718.7
623.2
542.3
473.5
414.7
364.1
320.9
283.7
251.5
223.3
198.9
159
9

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