![background image](http://html.mh-extra.com/html/carrier/5-2-day-programmabledigital-thermostat/5-2-day-programmabledigital-thermostat_owners-manual_2564010019.webp)
Page 18
Battery Replacement
REPLACE WITH ALKALINE BATTERIES AT LEAST ONCE
EVERY YEAR, OR WHEN THE “LOW BATTERY” ICON
APPEARS (pages 2,17).
USE “AA” SIZE
ALKALINE BATTERIES
USE “AA” SIZE
ALKALINE BATTERIES
POSITION BATTERIES AS SHOWN
E
L
E
C
G
A
S
H
P
G
A
S
IF THE THERMOSTAT IS CONNECTED TO 24V POWER,
THE BATTERIES MAY STILL BE INSTALLED. INSTALLING
THE BATTERIES WHEN SYSTEM POWERED (24VAC) WILL
KEEP THE CLOCK RUNNING IN THE EVENT OF LINE POWER
INTERRUPTION.