Honeywell RTH8500D Benutzerhandbuch

69-1725-1

22

1. Install three fresh AAA alkaline batteries on the back of the 

thermostat as marked on the thermostat.

2. Remove the tab labeled “Remove during installation” in the 

lower right corner of the thermostat back.

BACK OF THERMOSTAT

M22212

BATTERIES

(3)

+

+

+

+

+

M19920

REMOVE  
TAB