Honeywell RTHL221 series - Quick reference to display screen; Setpoint indicator; Current day;time display; Current program period indication

5 69-2578ES—01
Mount the new wallplate using the included screws
and anchors.
5
Mount Wallplate
Drill 3/16-in. holes for drywall
Drill 3/32-in. holes for plaster
W/
Aux
Not
Used
M32714