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T500 Series Programmable Thermostats Product/Technical Bulletin
I
nstalling the Thermostat Cover Lock
If desired, insert the plastic lock piece into the bottom
of the mounted base. The ends of the lock piece
should fit snugly under the lock pins extending from the
bottom of the mounted base. The tab in the middle of
the lock piece should extend downward from the
mounted base. (See Figure 5.)
To release the locking mechanism, press the lock
piece up and into the base while gently prying open the
thermostat at the same time. Use caution to avoid
cracking the thermostat base or cover.
Thermostat
Base
Plastic Lock Pin
Snap
plastic lock
into place.
Figure 5: Installing the Thermostat Lock
R
eattaching the Thermostat and Cover
to the Installed Base
1. Position the thermostat inside the cover, and
attach on the hinged tabs located at the top of the
base.
2. Swing the thermostat and cover down, and press
on the bottom center edge until they snap in place.
(See Figure 6.)
Hinged
Tabs
Figure 6: Installing the T500 Thermostat
