Temperature Sensor Resistance Characteristics - Midea VRF Series Service Manual

V6R VRF 50/60Hz
4 Appendix to Part 6

4.1 Temperature Sensor Resistance Characteristics

Table 6-4.1: Temperature sensor resistance characteristics
Temp. Temp. Resistance
(°C) (°F) (KΩ)
-39 -38.2 387.13
-38 -36.4 360.98
-37 -34.6 336.73
-36 -32.8 314.24
-35 -31 293.38
-34 -29.2 274.01
-33 -27.4 256.05
-32 -25.6 239.36
-31 -23.8 223.87
-30 -22 209.48
-29 -20.2 196.11
-28 -18.4 183.68
-27 -16.6 172.12
-26 -14.8 161.36
-25 -13 151.344
-24 -11.2 142.02
-23 -9.4 133.32
-22 -7.6 125.22
-21 -5.8 117.66
-20 -4 110.6
-19 -2.2 104.02
-18 -0.4 97.861
-17 1.4 92.107
-16 3.2 86.727
-15 5 81.694
-14 6.8 76.982
-13 8.6 72.57
-12 10.4 68.437
-11 12.2 64.564
-10 14 60.932
-9 15.8 57.526
-8 17.6 54.33
-7 19.4 51.331
-6 21.2 48.514
-5 23 45.869
-4 24.8 43.383
-3 26.6 41.047
-2 28.4 38.85
-1 30.2 36.784
0 32 34.84
1 33.8 33.011
2 35.6 31.288
3 37.4 29.666
4 39.2 28.137
5 41 26.697
6 42.8 25.339
7 44.6 24.058
8 46.4 22.85
9 48.2 21.71
10 50 20.633
Notes:
1. Table 6-4.1 is suitable for the following sensors:
Outdoor unit: T3, T4, T5, T6A, T6B, T7, T8, T9, TL
MS: T1C1, T2C2
Indoor unit: T1, T2, T2A, T2B
2. The Resistance of 25C (77F) is 10 KΩ±1%. The relation between voltage and resistance is: V=
162
Voltage Temp. Temp.
(V) (°C) (°F)
0.1020 11 51.8
0.1092 12 53.6
0.1169 13 55.4
0.1250 14 57.2
0.1337 15 59
0.1429 16 60.8
0.1526 17 62.6
0.1629 18 64.4
0.1738 19 66.2
0.1853 20 68
0.1974 21 69.8
0.2102 22 71.6
0.2237 23 73.4
0.2379 24 75.2
0.2528 25 77
0.2685 26 78.8
0.2850 27 80.6
0.3024 28 82.4
0.3206 29 84.2
0.3396 30 86
0.3596 31 87.8
0.3805 32 89.6
0.4023 33 91.4
0.4252 34 93.2
0.4490 35 95
0.4739 36 96.8
0.4998 37 98.6
0.5268 38 100.4
0.5549 39 102.2
0.5841 40 104
0.6145 41 105.8
0.6459 42 107.6
0.6786 43 109.4
0.7123 44 111.2
0.7473 45 113
0.7834 46 114.8
0.8207 47 116.6
0.8591 48 118.4
0.8987 49 120.2
0.9394 50 122
0.9812 51 123.8
1.0242 52 125.6
1.0682 53 127.4
1.1134 54 129.2
1.1595 55 131
1.2066 56 132.8
1.2547 57 134.6
1.3038 58 136.4
1.3537 59 138.2
1.4045 60 140
Resistance Voltage Temp.
(KΩ) (V)
19.617 1.4561
18.656 1.5085
17.749 1.5615
16.891 1.6152
16.08 1.6694
15.313 1.7242
14.587 1.7795
13.899 1.8352
13.249 1.8912
12.632 1.9476
12.048 2.0042
11.495 2.0609
10.97 2.1177
10.472 2.1746
10 2.2315
9.5519 2.2882
9.1265 2.3449
8.7226 2.4013
8.3389 2.4575
7.9743 2.5134
7.6279 2.5689
7.2985 2.6240
6.9853 2.6786
6.6873 2.7327
6.4038 2.7863
6.134 2.8392
5.8772 2.8915
5.6326 2.9432
5.3996 2.9941
5.1776 3.0444
4.966 3.0938
4.7644 3.1424
4.5721 3.1903
4.3887 3.2373
4.2137 3.2834
4.0468 3.3287
3.8874 3.3731
3.7353 3.4166
3.59 3.4592
3.4512 3.5009
3.3186 3.5417
3.1919 3.5816
3.0708 3.6206
2.955 3.6586
2.8442 3.6958
2.7382 3.7321
2.6369 3.7674
2.5398 3.8020
2.4469 3.8356
2.358 3.8683
8.06
*5
8.06+R
Temp. Resistance
(°C) (°F) (KΩ)
61 141.8 2.2728
62 143.6 2.1912
63 145.4 2.113
64 147.2 2.0381
65 149 1.9662
66 150.8 1.8973
67 152.6 1.8312
68 154.4 1.7678
69 156.2 1.707
70 158 1.6486
71 159.8 1.5925
72 161.6 1.5387
73 163.4 1.487
74 165.2 1.4373
75 167 1.3896
76 168.8 1.3437
77 170.6 1.2996
78 172.4 1.2572
79 174.2 1.2164
80 176 1.1772
81 177.8 1.1394
82 179.6 1.103
83 181.4 1.0681
84 183.2 1.0344
85 185 1.0019
86 186.8 0.9707
87 188.6 0.94059
88 190.4 0.91158
89 192.2 0.88362
90 194 0.85667
91 195.8 0.83068
92 197.6 0.80561
93 199.4 0.78143
94 201.2 0.75811
95 203 0.7356
96 204.8 0.71387
97 206.6 0.6929
98 208.4 0.67266
99 210.2 0.6531
100 212 0.63422
101 213.8 0.61598
102 215.6 0.59836
103 217.4 0.58133
104 219.2 0.56487
105 221 0.54896
Voltage
(V)
3.9002
3.9312
3.9615
3.9908
4.0195
4.0473
4.0743
4.1006
4.1261
4.1510
4.1751
4.1985
4.2212
4.2433
4.2647
4.2855
4.3057
4.3253
4.3444
4.3628
4.3807
4.3981
4.4149
4.4313
4.4472
4.4626
4.4775
4.4920
4.5060
4.5196
4.5328
4.5457
4.5581
4.5701
4.5818
4.5932
4.6042
4.6149
4.6252
4.6353
4.6450
4.6545
4.6636
4.6725
4.6812