Appendix

Hardwired Setpoint Adjustment

Table 35: Hardwired setpoint adjustment

Resistance (Ω) Setpoint (Deg F)

889.450

733.658

577.966

500

70

422.174

344.278

266.482

188.586

110.690

Fan Switch Resistance Values

Table 36: Resistance values

Resistance (Ω )

16,300

10,700

2,320

4,870

Switch Position

High

Low

Auto

Off

Hardwired Thermistor Values

Table 37: Hardwired 10k Ω thermistor values

Resistance

87.5k Ω

74.6k Ω

63.8k Ω

54.6k Ω

46.9k Ω

40.4k Ω

34.8k Ω

30.2k Ω

26.2k Ω

22.8k Ω

20.0k Ω

17.5k Ω

15.3k Ω

13.5k Ω

11.9k Ω

10.5k Ω

Temperature

0° F

5° F

10° F

15° F

20° F

25° F

30° F

35° F

40° F

45° F

50° F

55° F

60° F

65° F

70° F

75° F

Resistance

10.0k Ω

9.3kΩ

8.2kΩ

7.3kΩ

6.5kΩ

5.8kΩ

5.2kΩ

4.7kΩ

4.2kΩ

3.8kΩ

3.4kΩ

3.1kΩ

2.8kΩ

2.5kΩ

2.3kΩ

2.1kΩ

Temperature

77°F

80°F

85°F

90°F

95°F

100°F

105°F

110°F

115°F

120°F

125°F

130°F

135°F

140°F

145°F

150°F

60

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Trane ZN.520 manual Appendix, Hardwired Setpoint Adjustment, Fan Switch Resistance Values, Hardwired Thermistor Values