Honeywell RTH7400 - Manuel (Page 15)

RTH7400/RTH7500 Series
13 69-2487EF—01
About your new thermostat
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
System & Fan Schedule Clock & More
20
0120
M27459
System Fan Done
20
0120
M28069
Step 1
Press and release the left button.
Step 2
Press and hold the center button until the screen
changes (approximately 5 seconds).
System setup