7
AC Power
The Comfort Control must be
powered by 24 VAC power.
To wire the Comfort Control for AC
power, connect the common side of
the cooling transformer to the “B”
terminal as shown at left.
Important: Remove R/Rc jumper for
2-transformer systems only. (See wiring
diagram on page 5.)
Connect common
side of transformer
to “B” terminal
Battery Backup Power
The Comfort Control can be powered
by backup batteries when used with
AC power. During power interruptions
the batteries will save time/day set-
tings and power the display.
After installation, batteries can be
changed without removing the
Comfort Control from the wall
(see page 12).
To Mount Comfort Control
Align the 4 tabs on the wallplate
with corresponding slots on the back
of the Comfort Control, then push
gently until the Comfort Control
snaps in place.
Jumper
Power options & mounting
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