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Using your thermostat.
Fan Control
If FAN AUTO is selected, the fan will cycle On/Off with the system. If FAN ON is selected, the Fan will be
on all the time.
Auto Changeover
The auto changeover feature is a special operation of the thermostat that does not require the user to
change the system mode from heating to cooling. Once the programs are set and the thermostat is put in
the AUTO mode, the switching from heating to cooling is accomplished completely by the thermostat.
LCD Backlight
Figure 18: Blank Display
Verification
10
LCD backlight is activated when any key is pressed. Any
subsequent key press or switch change will extend the period.
When there is no key pressed for five seconds, the backlight
will automatically turn off.
The LCD backlight will not operate when there is no external
24 VAC or 24 VDC power supplied.
To verify that the thermostat is operating correctly:
Press the MODE button to select the heat or cool system.
Press the
or below the current ambient temperature. The thermostat
should call for either heating or cooling and the fan should
turn on.
Press the FAN button to change from FAN AUTO to FAN ON .
The fan should come on automatically.
If the thermostat does not operate correctly, proceed to the
Troubleshooting section.
Get other manuals https://www.bkmanuals.com
or
to adjust the setpoint temperature above
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