Heiko 2P Series, Service Manual

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Functions and control
20
Domestic air conditioner
decreases to the lowest frequency. When the temperatures are lower than 68
℃
and higher than 62
℃
,
keep the frequency of the compressor. When the temperatures are lower than 62
℃
, relieve the
defrosting temperature protection.
7.2 Value of Thermistor
Ambient Sensor, Defrosting Sensor, Pipe sensor
R25
℃
=10K
Ω±
3% B25
℃
/50
℃
=3700K
±
3%
Temp.(
℃
) Max.(KΩ) Normal(KΩ) Min.(KΩ) Tolerance(
℃
)
-30 165.2170 147.9497 132.3678 -1.94 1.75
-29 155.5754 139.5600 125.0806 -1.93 1.74
-28 146.5609 131.7022 118.2434 -1.91 1.73
-27 138.1285 124.3392 111.8256 -1.89 1.71
-26 130.2371 117.4366 105.7989 -1.87 1.70
-25 122.8484 110.9627 100.1367 -1.85 1.69
-24 115.9272
●
104.8882 94.8149 -1.83 1.67
-23 109.4410 99.1858 89.8106 -1.81 1.66
-22 103.3598 93.8305 85.1031 -1.80 1.64
-21 97.6556 88.7989 80.6728 -1.78 1.63
-20 92.3028 84.0695 76.5017 -1.76 1.62
-19 87.2775 79.6222 72.5729 -1.74 1.60
-18 82.5577 75.4384 68.8710 -1.72 1.59
-17 78.1230 71.5010 65.3815 -1.70 1.57
-16 73.9543 67.7939 62.0907 -1.68 1.55
-15 70.0342 64.3023 58.9863 -1.66 1.54
-14 66.3463 61.0123 56.0565 -1.64 1.52
-13 62.8755 57.9110 53.2905 -1.62 1.51
-12 59.6076 54.9866 50.6781 -1.60 1.49
-11 56.5296
●
52.2278 48.2099 -1.58 1.47
-10 53.6294
●
49.6244 45.8771 -1.56 1.46
-
●
9 50.8956 47.1666 43.6714 -1.54 1.44
-8 48.3178 44.8454 41.5851 -1.51 1.42
-7 45.8860 42.6525 39.6112 -1.49 1.40
-6 43.5912 40.5800 37.7429 -1.47 1.39
-5 41.4249 38.6207 35.9739 -1.45 1.37
-4 39.3792 36.7676 34.2983 -1.43 1.35
-3 37.4465 35.0144 32.7108 -1.41 1.33
-2 35.6202
●
33.3552 31.2062 -1.38 1.31
-1 33.8936 31.7844 29.7796 -1.36 1.29
0 32.2608 30.2968 28.4267 -1.34 1.28
1 30.7162 28.8875 27.1431 -1.32 1.26
2 29.2545 27.5519 25.9250 -1.29 1.24
3 27.8708 26.2858 24.7686 -1.27 1.22
4 26.5605 25.0851 23.6704 -1.25 1.20