Honeywell CT31 User manual

CT31

Low-voltage Thermostat

Owner’s

Manual

Getting started

Before you begin, make sure you have:

• Screwdriver

• Hammer

• Level (optional)

• Pencil

• Drill bit (3/16” for drywall, 7/32” for plaster)

® U.S. Registered Trademark. Patents pending.

Caution cardWire labels

Wall anchors and

mounting screws

(2 each)

CT31 thermostat Cover plate

Check to make sure your package includes the following items:

Owner’s Manual

Remove your old thermostat

1TTuurrnnooffffppoowweerrat heating/cooling system (or fuse/circuit-breaker panel).

2 Remove cover and thermostat, but leave wallplate with wires attached.

Old thermostat

Leave wallplate in place Is there a sealed tube containing mercury?

If so, see mercury notice below.

Cover

MERCURY NOTICE: Do not place your old thermostat in the trash if it contains

mercury in a sealed tube. Contact your local waste management authority for

instructions regarding recycling and proper disposal.

Did you purchase right thermostat? Count wires to check.

Count the number of wires coming out of the wall and attached to terminals in

your old thermostat. If any of them are attached to a terminal marked “C”or “C1”

do not count that wirein your total.

If the total (not counting C or C1) is 4 wires or less, proceed to the next page. If

you have 5 or more wires, your new thermostat may not be compatible with your

system. Stop installation and call 1-800-468-1502 for advice.

Do you have 5 or more wires? If so, stop now.

You may have purchased the wrong replace-

ment thermostat.

CT31 Low-voltage Thermostat

Label wires and remove old wallplate

Use a screwdriver to disconnect wires one by one.As you disconnect each wire,

wrap it with the label matching the letter on your old thermostat. (Adhesive labels

are supplied in your thermostat package.)

Remove the old wallplate only after all wires are labeled. Be careful not to let

loose wires fall into the wall opening.

Wrap supplied labels securely around each wire

Do not let wires fall into wall opening!

IGNORE WIRE COLORS: Use only letter designations

to identify wire types.

Mark mounting position

1Pull wires through base (and

cover plate if desired).

2Level base or cover plate

if desired.

3Mark positions of

both screw holes.

Owner’s Manual

Connect wires

1Match each labeled wire

with same letter on terminal.

2Use a screwdriver to loosen

screw terminals, wrap bare

wire securely around termi-

nals, then tighten screws.

3Push any excess wire back

into the wall opening.

Labels don’t match?

If labels do not match letters on

thermostat, see table below.

Existing wires Connect to:

R•RH •4•VTerminal “R”

W•W1 •HTerminal “W”

Y•Y1 •MTerminal “Y”

G•FTerminal “G”

Rc Stop! See note

Mount thermostat base

1Drill holes at pencil-marked locations (3/16” holes for drywall, 7/32” holes for plaster).

2Use hammer to

tap anchors into

holes until flush

with wall.

3[Optional] Pull

wires through

cover plate (if

needed to cover

marks left by your

old thermostat).

4Pull wires through

thermostat base

and insert screws.

Check level if

desired, then

tighten screws.

Thermostat base

Optional cover plate

If this wire is present, you cannot use

this thermostat with your system. See

page 2.

CT31 Low-voltage Thermostat

Set adjustment lever

1 Separate cover from thermostat,

and remove the plastic insert.

2 Use a pencil to move the adjust-

ment lever to the proper setting for

your system (see table below).

Finish installation

1Mount thermostat

on base and tighten

three mounting

screws.

2Align the 3 tabs on

the cover with slots

on the thermostat,

then push gently

until the cover

snaps into place.

3Restore electrical

power at the heat-

ing/cooling system,

or at the fuse/

circuit-breaker

panel.

Thermostat

Cover

Base

(shown with

optional

cover plate)

Your system Setting

Gas or oil furnace

(less than 90% efficiency) 0.4

Electric furnace (any type) 0.3

High efficiency furnace

(more than 90% efficiency) 0.8

Hot water system 0.8

Gas/oil steam or gravity system 1.2

Owner’s Manual

Operation

Fan switch

•On: Fan runs continuously.

•Auto: Fan runs only when heating

or cooling system is on.

System switch

•Cool: Thermostat controls only

the cooling system.

•Heat: Thermostat controls only

the heating system.

•Off: Heating and cooling

systems are off.

Temperature setting

Move lever to adjust desired indoor

temperature.

CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage,

do not operate cooling system when outdoor temperature is below 50°F (10°C).

CT31 Low-voltage Thermostat

Limited Warranty

Honeywell warrants this product to be free from defects in the workmanship or

materials, under normal use and service, for a period of one (1) year from the date

of purchase by the consumer. If at any time during the warranty period the prod-

uct is determined to be defective or malfunctions, Honeywell shall repair or

replace it (at Honeywell's option).

If the product is defective,

(i) return it, with a bill of sale or other dated proof of purchase, to the place from

which you purchased it; or

(ii) call Honeywell Customer Care at 1-800-468-1502. Customer Care will make the

determination whether the product should be returned to the following address:

Honeywell Return Goods, Dock 4 MN10-3860, 1885 Douglas Dr. N., Golden Valley,

MN 55422, or whether a replacement product can be sent to you.

This warranty does not cover removal or reinstallation costs.This warranty shall

not apply if it is shown by Honeywell that the defect or malfunction was caused

by damage which occurred while the product was in the possession of a

consumer.

Honeywell's sole responsibility shall be to repair or replace the product

within the terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY

LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSE-

QUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY

BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF

THIS PRODUCT. Some states do not allow the exclusion or limitation of incidental

or consequential damages, so this limitation may not apply to you.

THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON

THIS PRODUCT.THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING

THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

PURPOSE, IS HEREBY LIMITED TO THE ONE-YEAR DURATION OF THIS

WARRANTY. Some states do not allow limitations on how long an implied

warranty lasts, so the above limitation may not apply to you.

This warranty gives you specific legal rights, and you may have other rights which

vary from state to state.

If you have any questions concerning this warranty, please write Honeywell

Customer Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-

1502. In Canada, write Retail Products ON15-02H, Honeywell Limited/

Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V4Z9.

Need Help?

For assistance with this product please visit www.honeywell.com/yourhome

or call Honeywell Customer Care toll-free at 1-800-468-1502

Honeywell International Inc.

1985 Douglas Drive North

Golden Valley, MN 55422

www.honeywell.com/yourhome

Automation and Control Solutions

Printed in U.S.A. on recycled

paper containing at least 10%

post-consumer paper fibers.

® U.S. Registered Trademark.

69-1809EF Rev. 03-2005

Honeywell Limited-Honeywell Limitée

35 Dynamic Drive

Scarborough, Ontario M1V 4Z9

CT31

Thermostat basse tension

Guide

d’utilisation

Éléments nécessaires à l’installation

Outillage et matériel nécessaires :

• Tournevis

• Marteau

• Niveau (facultatif)

•Crayon

• Mèche (3/16” pour cloisons sèches, 7/32” pour cloisons plâtre)

® U.S. Marque déposée. Brevets en instance.

Carte de mise

en garde

Etiquettes de fils

Chevilles et vis de

montage (2 de chaque)

Thermostat CT31 Plaque cache-trous

Assurez-vous que le paquet contient les éléments suivants :

Guide d’utilisation

Retirez l’ancien thermostat

1CCoouuppeezzlleeccoouurraannttau niveau de l’installation de chauffage/de climatisation

(ou du panneau de fusibles ou de disjoncteurs).

2. Retirez le boîtier et le thermostat. Laissez la plaque murale et les fils qui y

sont fixés.

Ancien thermostat

Laissez la plaque de montage en place Le thermostat comporte-t-il un tube scellé

contenant du mercure ? Si c’est le cas,

reportez-vous à l’avis concernant le mercure

ci-dessous.

Couvercle

AVIS CONCERNANT LE MERCURE: Ne placez pas votre vieux thermostat dans les

ordures s’il contient une ampoule de mercure. Contactez l'agence de gestion des

déchets de la localité pour connaître les règlements concernant le recyclage et

la mise au rebut.

Avez-vous acheté le bon thermostat? Comptez les fils.

Comptez le nombre de fils sortant du mur et fixés aux bornes de votre ancien

thermostat. Si aucun d’entre eux n’est fixé à la borne marquée « C » ou « C1 »,

ne comptez pas ce fil dans le total.

Si le total (sans compter C ou C1) est de 4 fils ou moins, passez à la page suivante.

Si le total de fils est égal ou supérieur à 5, votre nouveau thermostat risque de ne

pas être compatible avec votre installation.Arrêtez la pose et demandez conseil au

1-800-468-1502.

Comptez-vous 5 fils ou plus? Dans ce cas,

arrêtez-vous de suite. Vous avez peut-être

acheté le mauvais thermostat de rechange.

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