Honeywell T8112D Owner's Manual

Honeywell Thermostats Owner's Manual - T8112D.
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PRODUCT DATA

® U.S. Registered Trademark
Copyright © 1998 Honeywell Inc.   •   All Rights Reserved

T8112D

Programmable Thermostat

GENERAL

The T8112D Programmable Thermostat provides energy
savings for single-stage heating and cooling applications
while providing reliable, precise temperature control.

FEATURES

HEAT-OFF-COOL System switch.

AUTO-ON Fan switch.

Separate programs for weekdays and weekends
(5 day/2 day).

Digital LCD display.

Easy to program and install.

Precise temperature control.

Four daily energy saving programs.

Compatible with most 24 Vac standing pilot, gas
electronic ignition, oil or central electric systems.

Requires two AA alkaline batteries.

LCD flashes 

bAt Lo indicating low battery power.

Isolated heating/cooling circuits.

Contents

General ............................................................................... 1
Features ..............................................................................

1

Specifications ......................................................................

2

Ordering Information ...........................................................

2

Installation ........................................................................... 3
Programming the Thermostat .............................................

6

Checkout and Settings ........................................................

7

Troubleshooting ................................................................... 8

68-0206