Honeywell RTHL3550 Quick Installation Guide

Advanced Installation Guide
69-2584ES— 01 20
About your new thermostat
SETUPWIRINGASSISTANCETROUBLESHOOTING
MCR32610
Done Next
Function 14: Temperature display
Press the s or t button to select Fahrenheit or Celsius
temperature display:
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
Press to change setting.
When correct setting is
selected, press NEXT to
display next function.
MCR32602

Honeywell RTHL3550 Specifications

General

Brand	Honeywell
Model	RTHL3550
Category	Thermostat
Language	English