Honeywell PRO TH4110D Manuel d'utilisateur télécharger pdf (Page 9)

PRO TH4110D Programmable Thermostat

7

AC Power

The thermostat can be powered by 24

VAC power, or by batteries.

To wire the thermostat for AC power,

connect the common side of the

cooling transformer to the “C” terminal

as shown at left.

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Remove R/Rc jumper for

2-transformer systems only. (See wiring

diagram on page 5.)

Connect common

side of transformer

to “C” terminal

Install batteries in back of thermostat

(optional if AC powered).

Battery Power

The thermostat can be powered by

batteries alone or, if used with AC

power, can provide backup power.

During power interruptions the

batteries will save time/day settings

and power the display.

To Mount Thermostat

Align the 4 tabs on the wallplate with

corresponding slots on the back of the

thermostat, then push gently until the

thermostat snaps in place.

Power options & mounting

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