Replacing The Batteries; Power Outages - Honeywell T8611M7065 Owner's Manual

REPLACING THE BATTERIES

Your thermostat uses three AAA alkaline batteries. We
®
recommend Energizer
"REPL BAT" when the batteries get low. Unless the
display is blank (indicating the batteries are dead) when
you start, you won't have to reprogram the thermostat if
you can insert the new batteries within 20 to 30 seconds of
taking out the old ones.
To replace:
Set the system switch to OFF.
Remove the thermostat from the wall. See page 17.
Lift the batteries out of the holder.
Insert the new batteries, making sure the positive (+)
terminals all face toward the right.
Replace the thermostat on the wall. See page 18.
Reprogram, if necessary.

POWER OUTAGES

Backup batteries will hold the programming and keep
the display on during most power outages. Once the
power is restored, the system will resume normal
operation.
batteries. The display will flash
If the display goes off when power is lost, either the
backup batteries need to be replaced or are not installed.
When power is restored, the display will flash 1:00 p.m. to
remind you to reprogram.
19
BATTERY PLACEMENT
(NOTE CORRECT PLUS
M372A
AND MINUS DIRECTION)
69-0819