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SiUS28-902_B
Thermistor Resistance / Temperature Characteristics
Appendix
161
3. Thermistor Resistance / Temperature Characteristics
Indoor unit
FCQ, FHQ, FAQ
FTQ
For suction air
R1T
—
For liquid pipe
R2T
R1T
For gas pipe
R3T
R2T
Outdoor unit For outdoor air
R1T
For heat exchanger
deicer
R4T
For suction air
R3T, R5T
T°F
T°C
k
T°F
T°C
k
-4.0
-20
197.81
86.0
30
16.10
-2.2
-19
186.53
87.8
31
15.43
-0.4
-18
175.97
89.6
32
14.79
1.4
-17
166.07
91.4
33
14.18
3.2
-16
156.80
93.2
34
13.59
5.0
-15
148.10
95.0
35
13.04
6.8
-14
139.94
96.8
36
12.51
8.6
-13
132.28
98.6
37
12.01
10.4
-12
125.09
100.4
38
11.52
12.2
-11
118.34
102.2
39
11.06
14.0
-10
111.99
104.0
40
10.63
15.8
-9
106.03
105.8
41
10.21
17.6
-8
100.41
107.6
42
9.81
19.4
-7
95.14
109.4
43
9.42
21.2
-6
90.17
111.2
44
9.06
23.0
-5
85.49
113.0
45
8.71
24.8
-4
81.08
114.8
46
8.37
26.6
-3
76.93
116.6
47
8.05
28.4
-2
73.01
118.4
48
7.75
30.2
-1
69.32
120.2
49
7.46
32.0
0
65.84
122.0
50
7.18
33.8
1
62.54
123.8
51
6.91
35.6
2
59.43
125.6
52
6.65
37.4
3
56.49
127.4
53
6.41
39.2
4
53.71
129.2
54
6.65
41.0
5
51.09
131.0
55
6.41
42.8
6
48.61
132.8
56
6.18
44.6
7
46.26
134.6
57
5.95
46.4
8
44.05
136.4
58
5.74
48.2
9
41.95
138.2
59
5.14
50.0
10
39.96
140.0
60
4.96
51.8
11
38.08
141.8
61
4.79
53.6
12
36.30
143.6
62
4.62
55.4
13
34.62
145.4
63
4.46
57.2
14
33.02
147.2
64
4.30
59.0
15
31.50
149.0
65
4.16
60.8
16
30.06
150.8
66
4.01
62.6
17
28.70
152.6
67
3.88
64.4
18
27.41
154.4
68
3.75
66.2
19
26.18
156.2
69
3.62
68.0
20
25.01
158.0
70
3.50
69.8
21
23.91
159.8
71
3.38
71.6
22
22.85
161.6
72
3.27
73.4
23
21.85
163.4
73
3.16
75.2
24
20.90
165.2
74
3.06
77.0
25
20.00
167.0
75
2.96
78.8
26
19.14
168.8
76
2.86
80.6
27
18.32
170.6
77
2.77
82.4
28
17.54
172.4
78
2.68
84.2
29
16.80
174.2
79
2.60
86.0
30
16.10
176.0
80
2.51
Outdoor unit radiation fin thermistor R10T
T°F
T°C
k
14
-10
—
18
-8
—
21
-6
88.0
25
-4
79.1
28
-2
71.1
32
0
64.1
35
2
57.8
39
4
52.3
43
6
47.3
46
8
42.9
50
10
38.9
54
12
35.3
57
14
32.1
61
16
29.2
64
18
26.6
68
20
24.3
72
22
22.2
75
24
20.3
79
26
18.5
82
28
17.0
86
30
15.6
90
32
14.2
93
34
13.1
97
36
12.0
100
38
11.1
104
40
10.3
108
42
9.5
111
44
8.8
115
46
8.2
118
48
7.6
122
50
7.0
126
52
6.7
129
54
6.0
133
56
5.5
136
58
5.2
140
60
4.79
144
62
4.46
147
64
4.15
151
66
3.87
154
68
3.61
158
70
3.37
162
72
3.15
165
74
2.94
169
76
2.75
172
78
2.51
176
80
2.41
180
82
2.26
183
84
2.12
187
86
1.99
190
88
1.87
194
90
1.76
198
92
1.65
201
94
1.55
205
96
1.46
208
98
1.38