Table 1.
Resistance measurements for zone temperature and setpoints
Zone or setpoint temperature
Nominal zone temperature
output resistance
Nominal setpoint and heating
setpoint output resistance
**
NA
938
55°F (12.8°C)
17.47 k
792
60°F (15.6°C)
15.3 k
695
65°F (18.3°C)
13.5 k
597
70°F (21.1°C)
11.9 k
500
75°F (23.9°C)
10.5 k
403
80°F (26.7°C
9.3 k
305
85°F (29.4°C)
8.25 k
208
*
NA
49
Notes:
1.
Sensors are calibrated at 70°F (21.1ºC).
2.
Single setpoint systems: Varies ±28
at 70°F
(21.1ºC); varies ±128
at endpoints of scale 55ºF (12.8ºC) and 85ºF
(29.4ºC). Dual setpoint systems: Cooling setpoint varies ±10
at 70ºF (21.1ºC); varies at ±110
at endpoints of
scale. Heating setpoint varies ±20
at 70ºF (21.1ºC); varies at ±120
at endpoints of scale.
34
BAS-SVX10F-EN
Maintenance and Troubleshooting
Table 2.
Resistance measurements for fan and system modes
Fan mode
System mode
Nominal output resistance
Auto or invalid
Emergency heat
35,000
Auto or invalid
Heat
19,480
Auto or invalid
Auto
7680
Auto or invalid
Off
2320
Auto or invalid
Cool
4870
On
Emergency heat
43,450
On
Heat
27,930
On
Auto
16,130
On
Off
10,770
On
Cool
13,320
High
Invalid (fan control only)
16,130
Med
Invalid (fan control only)
13,320
Low
Invalid (fan control only)
10,770
Auto
Invalid (fan control only)
2320
Off
Invalid (fan control only)
4870
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