Honeywell RTH3100C User manual

RTH3100C

Honeywell

Operating

Manual

69-1892ES-1

Non-Programmable Digital Thermostat

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RTH3100C

Table of ontents

About your new thermostat

Thermostat features

...................................

Qui k referen e to ontrols

.......................

Qui k referen e to display

........................

Thermostat Operation

System swit h (Heat/Cool)

........................

Fan swit h (Auto/On)

.................................

Temperature ontrols

.................................

Compressor prote tion

..............................

Appendi es

Battery repla ement

..................................

In ase of diffi ulty

...................................

Customer assistan e

...............................

A essories

..............................................

1-year limited warranty

............................

Operating Manual

About your new thermostat

Congratulations on the pur hase of your new Honeyw ell therm ostat. It has been

designed to give you m any years of reliable servi e and easy-to-use, push-button

lim ate ontrol.

Features

• O ne-tou h tem perature ontrols

• Large, lear ba klit display is easy to read, even in the dark

• S w it hable fan ontrol (auto or ontinuous fan)

• Displays both room tem perature and tem perature setting

• Built-in om pressor prote tion

RTH3100C

Qui k referen e to ontrols

On: Fan runs ontinuously.

Auto: Fan runs only when

heating or ooling system is on.

Temperature adjustment

Press to adjust tem perature

settings.

System swit h (see page 5)

• Cool: Cooling system ontrol.

• Off: All system s off.

• Heat: Heating system ontrol.

• Em Heat: Em ergen y & Auxiliary

Heat ontrol. Com pressor is

lo ked out.

Operating Manual

Qui k referen e to display s reen

Current inside temperature

Low battery warning

Temperature setting

System Status

• Cool On: Cooling system is on.

• Heat On: Heating system is on.

• Em: Emergen y heat is on.

If flashing, ompressor

prote tion is engaged

(see page 8). •

• Aux: Auxiliary heat is on.

System swit h

heating or ooling system.

RTH3100C

The SYSTEM swit h an be set to ontrol

your heating or ooling system , depending

on the season.

• Cool: Cooling system ontrol.

• Off: All system s are off.

• H eat: Heating system ontrol.

• E m H eat: Em ergen y & Auxiliary Heat

ontrol. Com pressor is lo ked out.

CAUTION: EQUIPMENT DAMAGE

HAZARD. Do not operate ooling

system when outdoor temperature

is below 50°F (10°C).

Operating Manual

Fan swit h

Set FAN swit h to hoose whether the fan

runs ontinuously or only as needed.

Set the FAN sw it h to Auto or On.

In “Auto ” m ode (the m ost om m only used

setting), the fan runs only w hen the heat

ing or ooling system is on.

If set to “O n,” the fan runs ontinuously.

Use this setting for im proved air ir ula

tion, or for more effi ient air leaning.

RTH3100C

Temperature ontrols

Press the tem perature adjustm ent

buttons until the tem perature you w ant

is displayed in the upper right portion of

the s reen.

Note: M ake sure the SYSTEM swit h is set

to the system you w ant to ontrol (H eat or

Cool).

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