Honeywell RTHL3550D User Manual

RTHL3550
5 69-2583ES—01
MCR32587
Inside
Heat
System
Fan
Auto
Setting
Replace
Battery
Heat
Heat On
Quick reference to display screen
Current inside temperature
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)
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)
Fan setting
Auto/On (see page 6)

Honeywell RTHL3550D Specifications

General

Brand	Honeywell
Model	RTHL3550D
Category	Thermostat
Language	English