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9-5. Sensor Characteristics
Indoor Unit
Temperature sensor characteristics
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)
33.9
26.1
20.3
15.9
12.6
10.0
8.0
6.4
5.2
4.2
3.5
2.8
2.4
Temperature
[˚F (˚C)]
Resistance
[k
Ω
]
Resistance
[k
Ω
]
Temperature [˚F (˚C)]
140
(60)
50
(10)
68
(20)
86
(30)
104
(40)
122
(50)
20
30
10
0
185 (85)
194 (90)
203 (95)
212 (100)
99.9
74.1
55.6
42.2
32.8
25.4
19.8
15.6
12.4
10.0
8.1
6.5
5.3
4.4
3.6
3.0
2.5
2.1
1.8
1.5
1.3
1.1
1.0
0.8
0.7
115.2
84.2
62.3
46.6
35.2
26.9
20.7
16.1
12.6
10.0
8.0
6.4
5.2
4.2
3.5
2.8
2.4
2.0
1.6
1.4
1.2
Temperature
[˚F (˚C)]
-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)
Resistance
[k
Ω
]
Temperature
[˚F (˚C)]
-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)
Resistance
[k
Ω
]
10
15
5
20
0
100
150
50
200
0
10
15
5
20
0
100
150
50
200
Resistance
[k
Ω
]
(55 ˚F (10 ˚C)
or below)
Resistance
[k
Ω
]
(55 ˚F (10 ˚C)
or above)
Temperature [˚F (˚C)]
Resistance
[k
Ω
]
(55 ˚F (10 ˚C)
or below)
Resistance
[k
Ω
]
(55 ˚F (10 ˚C)
or below)
Temperature [˚F (˚C)]
Indoor TC1 sensor
Indoor TC2 and TCJ sensors
50
(10)
68
(20)
86
(30)
104
(40)
122
(50)
140
(60)
158
(70)
14
(-10)
32
(0)
176
(80)
194
(90)
212
(100)
-4
(-20)
-22
(-30)
50
(10)
68
(20)
86
(30)
104
(40)
122
(50)
140
(60)
158
(70)
14
(-10)
32
(0)
176
(80)
194
(90)
212
(100)
-4
(-20)
-22
(-30)
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