Quick Reference To Display - Honeywell RTHL3550D1006 Operating Manual

Quick reference to display screen
Current inside temperature
Fan setting
Auto/On (see page 6)
Function buttons
Press the button beneath each function to view or change
settings (functions change depending on the task)
Low battery warning
(see page 12)
Inside
Replace
Battery
Heat On
Fan
Auto
5
Heat
System
Heat
MCR32587
RTHL3550
Temperature setting
(see page 8)
System status
On when "calling" for
heating or cooling;
flashes when waiting for
compressor restart (see
page 11)
System setting
Heat/Cool/Off
(see page 7)
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