Installation Guide
Wallplate installation
1. Separate wallplate from thermostat.
2. Mount wallplate as shown below.
Remove battery holder.
Pull here to remove wallplate
from new thermostat.
Drill 3/16" holes for drywall. Drill 7/32" holes for plaster.
Wall anchors
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before
beginning installation.
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 proper disposal.
69-1920EFS—01
Insert reference card after wallplate is
mounted (see instructions, below).
M29433
Wire hole
Wallplate
2
It's easier to grasp the wallplate
and remove it after completely
removing the battery holder.
Mounting screws
MCR29434
MCR29435