Pentax T8401C1031, T8400C1099 Owner's Manual

Room

Set

FAN SYSTEM

Auto On

Cool Off Heat

Electronic

Thermostat

OWNER’S GUIDE

1

69-1491–1

69-1491-1

Congratulations on the purchase of your new thermostat!
Over 100 years of Honeywell engineering expertise went
into the making of this thermostat in an effort to provide
you with a more comfortable and convenient living
environment.

• Simple and easy to use

. The ▲ and ▼ keys make it

easy for you to change your temperature setting.

• Large digital display.

You can easily read the current

room temperature at a glance.

• No need for batteries.

Batteries are not required
because your temperature settings are held perma­nently in memory.

2

69-1491–1

Settings

Setting FAN and SYSTEM Switches

Fan and system settings are controlled by using FAN and
SYSTEM switches located on the bottom of the thermostat
case.

First set the FAN switch:
Auto: Normal setting for most homes. In cooling, the

On: The fan runs continuously. Use for improved air

fan goes off and on with the cooling equipment.
In heating, the fan may start a few minutes after
the heating equipment comes on.

circulation and air quality.

FAN

Auto On

FAN
SWITCH

M10273

3

69-1491–1