Honeywell RTHL3550 Thermostat User Manual


 
Advanced Installation Guide
69-2584ES—01 12
SETUPWIRINGASSISTANCETROUBLESHOOTING
MCR32600
Done Next
MCR32601
Press and hold the s and FAN buttons until the screen
changes (approximately 5 seconds).
System setup
SettingFunction
Press s or t to change settings.
Press NEXT to advance
to next function.
Press DONE to exit
and save settings.