58
APPENDIX
Sensor characteristic
Temp. sensor characteristic
No. Sensor type Characteristic
1
Indoor coil/outdoor suction/oil temp./defrost/ambient
temp. sensor
R (25°C)=10KΩ B (25°C/50°C)=3700K
2
Wired controller ambient temp./indoor ambient temp.
sensor
R (25°C)=23KΩ B (25°C/50°C)=4200K
3 Outdoor discharging temp. sensor R (80°C)=50KΩ B (25°C/80°C)=4450K
Herein, the sensor typical resistor is as follows:
(1) R (25°C)=10KΩ B (25°C/50°C)=3700K
R25=10KΩ±3% B25/50=3700K±3%
Temp Resistance (KΩ) % (Resist. tol)
(°C) Rmax R (t) Normal Rmin MAX (+) MIN (-)
-30 145.82 135.02 124.22 7.00 7.00
-29 138.07 129.13 120.18 6.93 6.93
-28 131.79 123.34 114.89 6.85 6.85
-27 125.67 117.68 109.70 6.78 6.78
-26 119.71 112.18 104.65 6.71 6.71
-25 113.93 106.84 99.75 6.64 6.64
-24 108.36 101.69 95.01 6.56 6.56
-23 103.00 96.72 90.44 6.49 6.49
-22 97.85 91.95 86.05 6.42 6.42
-21 92.92 87.37 81.83 6.35 6.35
-20 88.20 82.99 77.79 6.27 6.27
-19 83.70 78.82 73.93 6.20 6.20
-18 79.42 74.83 70.25 6.13 6.13
-17 75.34 71.04 66.74 6.05 6.05
-16 71.47 67.44 63.40 5.98 5.98
-15 67.80 64.02 60.23 5.91 5.91
-14 64.32 60.77 57.22 5.84 5.84
-13 61.02 57.69 54.37 5.76 5.76
-12 57.90 54.78 51.66 5.69 5.69
-11 54.94 52.02 49.10 5.62 5.62
-10 52.15 49.41 46.67 5.55 5.55
-9 49.51 46.94 44.37 5.47 5.47
-8 47.02 44.61 42.20 5.40 5.40
-7 44.66 42.40 40.14 5.33 5.33
-6 42.43 40.32 38.20 5.25 5.25
-5 40.33 38.35 36.36 5.18 5.18
-4 38.35 36.48 34.62 5.11 5.11
-3 36.47 34.72 32.97 5.04 5.04
-2 34.70 33.06 31.42 4.96 4.96
-1 33.03 31.49 29.95 4.89 4.89
0 31.45 30.00 28.56 4.82 4.82
1 29.95 28.59 27.24 4.75 4.75
2 28.54 27.26 25.99 4.67 4.67
3 27.20 26.01 24.81 4.60 4.60
4 25.94 24.82 23.69 4.53 4.53
5 24.74 23.69 22.63 4.45 4.45
6 23.61 22.62 21.63 4.38 4.38
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