Honeywell T8131C Owner's Manual - Page 8

T8131C Programming Guide - installation instructions

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T8131C Programming Guide NOTE: Batteries are required only for armchair programming, and to retain your personal temperature schedule in memory if ac power is lost. When replacing batteries, set the system switch to OFF. Remove the battery door (on the thermostat left side) using a coin at the bottom. Follow instructions in Installing Batteries section. Set Current Time/Day Ahead To set time, press and release Set Clock/Day once, and press Back until current time shows; to set day, press and release Set Clock/Day again, and press Ahead until current day shows; then press Run Program . Back Heating Program With system switch at HEAT, press and release Weekday Schedule once. WAKE, MON-FRI and SET appear on display. 8 69-0812-2

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69-0812—2
T8131C Programming Guide
NOTE:
Batteries are required only for armchair programming, and to retain your personal tem-
perature schedule in memory if ac power is lost. When replacing batteries, set the system
switch to OFF. Remove the battery door (on the thermostat left side) using a coin at the
bottom. Follow instructions in Installing Batteries section.
Set Current Time/Day
To set time, press and release
once, and press
until current time shows; to set
day, press and release
again, and press
until current day shows; then press
.
Heating Program
With system switch at HEAT, press and release
once. WAKE, MON-FRI and SET appear
on display.
Ahead
Back
Set
Clock/Day
Set
Clock/Day
Ahead
Back
Weekday
Schedule
Run
Program