Honeywell 5-2-Day Programmable Thermostat (RTHL2310B) Installation Guide

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Advanced Installation Guide
69-2578ES—01 18
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
System setup
Function 20: Clock Display
0  12-hour display
1  24-hour display
Press the s or t button to select clock display.
Press to 
change 
setting.
When finished, 
press s and t 
to advance to 
the next function.
M32719
AND
OR
20
0
M32724