Orbit Clear Comfort Pro 83521 - Replacing the Batteries

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It is recommended that the baeries
in the thermostat be replaced once
a year or before leaving the home for
a prolonged period of time.
1. Switch the system MODE to off before
changing the baeries.
2. Remove the thermostat body from its
base by gently pulling them apart.
3. Turn the thermostat over and remove
old baeries.
4. Replace them with fresh Energizer
®
or Duracell
®
alkaline AAA baeries,
carefully observing the required
polarities.
5. Reinstall the thermostat body onto its
base by gently pushing it until it “clicks”
into place.
Note: If the batteries are not changed within 7
days after the Low Battery Indicator appears
on the display, the set temperature will
increase by 10°F in cool mode, or decrease by
10°F in heat mode as a further reminder. After
90 days, or less, depending on the condition of
the batteries, the system will turn off and the
Low Battery Indicator will flash on the display.
WARNING: Failure to change batteries in
a timely fashion can lead to uncontrolled
heating and cooling.
REPLACINGTHEBATTERIES