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INDICATORS AND ADJUSTMENTS, CONT.
1. Remove the top cover from the thermostat.
2. To make your system run LONGER, turn the
Span
Adjust clockwise.
3. To make your system run SHORTER, turn the Span
Adjust counter clockwise.
4. Reattach the top cover to the thermostat.
Note: The Span range is 0.6
o
F - 3
o
F.
The Span
setting
remains the same in both the Heat and Cool modes and
can be changed regardless of what position the System
Switch is in.
Your thermostat is preset to cycle your system off and
on at 1
o
F above and below the Set Temperature. For
maximum system efficiency and a sustained comfortable
temperature your system should cycle 3 - 5 times per
hour. If your system is cycling either too often or not often
enough, then use a small Phillips-head screwdriver and
the Span Adjust to change the cycle time.