Space Temperature Averaging; Temperature Vs. Resistance - Trane TC*150-301 Installation Operation & Maintenance

Packaged electric/electric 12 ½ - 25 ton
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Installation

Space Temperature Averaging

Space temperature averaging is accomplished by wiring a number of remote sensors in a series/
parallel circuit.
Using the BAYSENS016* or BAYSENS017*, at least four sensors are required to accomplish space
temperature averaging.
Example #1 illustrates two series circuits with two sensors in each circiut wired in parallel. The
square of any number of remote sensors required.
Example #2 illustrates three sensors squared in a series/parallel circuit. Using BAYSENS032*, two
sensors are required to accomplish space temperature averaging. Example #3 illustrates the circuit
required for this senor.
Table 5.
Degrees F° Degrees C°
32
Table 5

Temperature vs. resistance

Nominal Resistance
-20°
-28.9°
-15°
-26.1°
-10°
-23.3°
-5°
-20.6°
-17.8°
-15.0°
10°
-12.2°
15°
-9.4°
20°
-6.7°
25°
-3.8°
30°
-1.1°
35°
1.7°
40°
4.4°
45°
7.2°
50°
10.0°
55°
12.8°
60°
15.6°
65°
18.3°
70°
21.1°
75°
23.9°
80°
26.7°
85°
29.4°
90°
32.2°
95°
35.0°
100°
37.8°
lists the temperature versus resistance coefficient for all sensing.
170.1 K - Ohms
143.5 K - Ohms
121.4 K - Ohms
103.0 K - Ohms
87.56 K - Ohms
74.65 K - Ohms
63.80 K - Ohms
54.66 K - Ohms
46.94 K - Ohms
40.40 K - Ohms
34.85 K - Ohms
30.18 K - Ohms
26.22 K - Ohms
22.85 K - Ohms
19.96 K - Ohms
17.47 K - Ohms
15.33 K - Ohms
13.49 K - Ohms
11.89 K - Ohms
10.50 K - Ohms
9.297 K - Ohms
8.247 K - Ohms
7.330 K - Ohms
6.528 K - Ohms
5.824 K - Ohms
RT-SVX25C-EN

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