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2. Install the T2500 Thermostat backplate
The T2500 Thermostat is intended for indoor installation only. It should be mounted on
an inner wall, in a location with freely circulating air, where it will be responsive to
changes in room temperature. Avoid mounting the thermostat near heat-generating
appliances (i.e., TV, heater, refrigerator), or in direct sunlight. This instruction assumes
that the installer will use pre-existing wires found at the location of the previously-installed
thermostat.
Power Options
The T2500 will operate on 24 VAC power and/or two AA alkaline batteries. Where
possible, the thermostat should be operated on 24 VAC power with battery backup.
▲
MERCURY NOTICE: If this product is replacing a control that contains mercury in
!
a sealed tube, do not place the old control in the trash. Contact your local waste
management authority for instructions regarding recycling and/or proper disposal.
Remove the old thermostat
1. Turn off all power for heating/cooling system (or for fuse/circuit breaker panel)
before installing thermostat to avoid electrical shock or damage to equipment.
2. Remove the cover of old thermostat (see Fig.6).
3. Label each wire with the terminal to which it was attached before removing
wires from the old thermostat (see Fig.7).
4. Disconnect wires. Do not let wires fall back into the wall.
5. Remove backplate from the wall after all wires are labeled. If old thermostat has
a wall mounting plate, remove both of these as an assembly.
© COPYRIGHT 2010 PECO, INC. ALL RIGHTS RESERVED. P/N 70161 3220-2216 Rev 0
9
Figure 6.
Remove the old
thermostat.
Figure 7.
Label exposed wires.
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