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4.8 Switch test menu
Note…
This Switch test function is for B versions only.
Switch test automatically locates the switch temperatures of a
thermostat.
Three parameters are required:
Start temperature (T
1
)
End temperature (T
2
)
Rate of change in temperature (slope rate).
Hysteresis of a thermostat can also be determined here. Where the
hysteresis determines the tolerence between the upper switch
temperature and the lower switch temperature of the thermostat.
Fig. 12
Calibrator stable
Shifting temperature
Calibrator stable
Heating with Slope Rate
T
Cooling with Slope Rate
T
T
Expected switch range
for thermostat
Calibrator stable
t
[min]
T [°C/°F]
T
T
T
T
T
2
Open
Close
1
Start
Open
Close
Hyste
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