Honeywell RTH7400 series User Manual

RTH7400/RTH7500 Series
19 69-2222ES—05
M28101
M28103
Battery replacement
Batteries are optional (to provide backup power) if
your thermostat was wired to run on AC power when
installed.
Install fresh batteries immediately when the LO BATT
warning begins flashing. The warning flashes about
30 days before batteries are depleted.
Evenifthewarningdoesnotappear,youshould
replace batteries once a year, or before leaving home
for more than a month.
Grasp thermostat and pull to
remove from wallplate
Insert 2 fresh AA alkaline batteries

Honeywell RTH7400 series Specifications

General

Display Type	Digital
Programmable	Yes
Program Periods Per Day	4
Wi-Fi Connectivity	No
Programmability	7-Day
Voltage	24V
Backlight	Yes
Power Source	Battery
Battery	AA
Temperature Range	40°F - 90°F