Wiring Specifications - Carrier SPS Installation Manual

Supply Air Temperature sensor
Thermistor Resistance vs. Temperature Values for Supply-air-
Temp (F)
-40
-31
-22
-13
-4
5
14
23
32
41
50
59
68
77
86
95
104
113
122
131
140
149
158

Wiring specifications

The sensor includes a 114-inch, plenum-rated cable. To extend the length, use the cable specified below.
Cable from sensor to controller:
Maximum length:
18
Temperature Sensor
10K Type II (CP/MCI)
Temp (C) Resistance (Ohms)
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
If <100 ft (30.5 meters)
If >100 ft (30.5 meters)
500 feet (152 meters)
335,651
242,195
176,683
130,243
96,974
72,895
55,298
42,315
32,651
25,395
19.903
15,714
12,494
10,000
8,056
6,530
5,325
4,367
3,601
2,985
2,487
2,082
1,752
22 AWG, unshielded
22 AWG, shielded
Carrier Sensors