Honeywell RTH7500 Owner's Manual - Page 21

Battery replacement - wiring

Get Honeywell RTH7500 PDF manuals and user guides View all Honeywell RTH7500 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 21 highlights

Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to remove from wallplate M28103 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. Insert 2 fresh AA alkaline batteries M28101 19 69-2222EF-03

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
RTH7400/RTH7500 Series
19
69-2222EF—03
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