Honeywell PRO 1000 User Manual download pdf (Page 12)

Operating Manual

ENGLISH

NOTE: Batteries are optional (and serve as backup power) only if your

thermostat is connected to 24 VAC.

Install two fresh AAA batteries when Lo Batt (low batteries) flashes on

the screen. The message appears for 60 days before the batteries are

depleted.

Replace batteries once a year, or when you will be away for more than

a month.

The settings are stored in non-volatile (permanent) memory and are

thus preserved when the thermostat is without AC power or batteries.

NOTE: The low-battery icon will not appear when the batteries are depleted

if the thermostat is connected to 24 VAC.

Battery replacement

Set the System switch to Off before removing the batteries.

Otherwise, the heating/cooling system could remain activated

even when batteries are removed.

400-626-002-D (69-1971EFS-03 non-prog TH1110D_TH1210D user manual).book Page 8 Thursday, April 16, 2009 3:29 PM

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Honeywell PRO 1000 User Manual Page 12