CAUTION
Follow
Installation Instructions
carefully.
DISCONNECT POWER TO THE HEATER -
AIR CONDITIONER BEFORE REMOVING
THE OLD THERMOSTAT AND INSTALLING
THE NEW THERMOSTAT.
WARNING
P/N P474-0140
Page 3
CAUTION
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including
interference that may cause undesired operation.
FIG. 1
The two AA alkaline 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.
OWNER'S MANUAL
MODEL P474-0140
Safety Warnings
Replacement Components Division Carrier Corporation 03/07
