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8-5. Sensor Characteristics
Indoor Unit
Temperature sensor characteristics
30
Resistance
[kΩ]
20
10
0
Indoor TC1 sensor
200
150
Resistance
[kΩ]
(55 ˚F (10 ˚C)
or below)
100
50
0
-22
-4
(-30)
(-20)
(-10)
Indoor TC2 and TCJ sensors
200
150
Resistance
[kΩ]
(55 ˚F (10 ˚C)
or below)
100
50
-22
-4
(-30)
(-20)
(-10)
50
68
86
(10)
(20)
(30)
Temperature [˚F (˚C)]
14
32
50
68
86
104
122
(0)
(10)
(20)
(30)
(40)
(50)
Temperature [˚F (˚C)]
14
32
50
68
86
104
122
(10)
(20)
(30)
(40)
(0)
(50)
Temperature [˚F (˚C)]
104
122
140
(40)
(50)
(60)
20
15
Resistance
[kΩ]
(55 ˚F (10 ˚C)
or above)
10
5
0
140
158
176
194
212
(60)
(70)
(80)
(90)
(100)
20
15
Resistance
[kΩ]
(55 ˚F (10 ˚C)
or below)
10
5
0
140
158
176
194
212
(60)
(70)
(80)
(90)
(100)
– 71 –
Temperature
Resistance
[˚F (˚C)]
[kΩ]
32 (0)
33.9
41 (5)
26.1
50 (10)
20.3
59 (15)
15.9
68 (20)
12.6
77 (25)
10.0
86 (30)
8.0
95 (35)
6.4
104 (40)
5.2
113 (45)
4.2
122 (50)
3.5
131 (55)
2.8
140 (60)
2.4
Temperature
Resistance
[˚F (˚C)]
[kΩ]
-4 (-20)
99.9
5 (-15)
74.1
14 (-10)
55.6
23 (-5)
42.2
32 (0)
32.8
41 (5)
25.4
50 (10)
19.8
59 (15)
15.6
68 (20)
12.4
77 (25)
10.0
86 (30)
8.1
95 (35)
6.5
104 (40)
5.3
113 (45)
4.4
122 (50)
3.6
131 (55)
3.0
140 (60)
2.5
149 (65)
2.1
158 (70)
1.8
167 (75)
1.5
176 (80)
1.3
185 (85)
1.1
194 (90)
1.0
203 (95)
0.8
212 (100)
0.7
Temperature
Resistance
[˚F (˚C)]
[kΩ]
-4 (-20)
115.2
5 (-15)
84.2
14 (-10)
62.3
23 (-5)
46.6
32 (0)
35.2
41 (5)
26.9
50 (10)
20.7
59 (15)
16.1
68 (20)
12.6
77 (25)
10.0
86 (30)
8.0
95 (35)
6.4
104 (40)
5.2
113 (45)
4.2
122 (50)
3.5
131 (55)
2.8
140 (60)
2.4
149 (65)
2.0
158 (70)
1.6
167 (75)
1.4
176 (80)
1.2
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