Venstar T1045 - Manual (Page 3)

The two Alkaline “AA” batteries must be replaced at
least once every 12 months to ensure proper
operation. The Low Battery icon (fig. 1) will
appear on the display when it is time to replace
the batteries. If the thermostat is connected to
24v power, the batteries should still be installed, but
are not required.
When is displayed the batteries must be replaced
immediately. The manufacturer cannot be liable for
improper operation of the thermostat if the batteries are
not immediately replaced.
Annual battery replacement is especially critical in
locations subject to freezing temperatures. The
thermostat will be unable to turn on the heating system
if the batteries are exhausted.
CAUTION Follow Installation Instructions carefully.
DISCONNECT POWER TO THE HEATER -
AIR CONDITIONER BEFORE REMOVING
THE OLD THERMOSTAT AND INSTALLING
THE NEW THERMOSTAT.
WARNING
Page 3
Safety Warnings
CAUTION
FIG. 1
OWNER'S MANUAL T1045
P/N T1045