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68-0148—1
B.M. • Rev. 6-94 • ©Honeywell Inc. 1994 • Form Number 68-0148—1
T8131A,B,C; T8132A,B,C
Programmable Thermostats
The T8131 and T8132 Thermostats provide
energy savings for single-stage heating and cool-
ing applications while providing reliable, precise
temperature control.
T8131/T8132 Models
■
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.
■
Available in taupe and Premier White
™
.
■
Compatible with most 24 Vac standing pilot, gas
electronic ignition, oil or central electric systems.
T8131 Models Only
■
Powered directly from 24 Vac system transformer.
■
Green light emitting diode (LED) lights when prop-
erly connected.
■
Two AA alkaline batteries for backup power
recommended.
T8132 Models Only
■
Requires two AA alkaline batteries.
■
LCD flashes “bAt Lo” indicating low battery power.
■
Isolated heating/cooling circuits.
T8131C
T8132C
CONTENTS
Specifications ................................................ 2
Ordering Information .................................... 2
Installation .................................................... 3
Programming the Thermostat ....................... 8
Checkout and Settings ................................. 10
Troubleshooting .......................................... 11
Cross Reference .......................................... 12
