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Installation Instructions
The CT41A is for most gas or oil heat/electric
air conditioning systems.
Do-It-Yourself Models
Your Honeywell Thermostat
Your new Honeywell CT41A Heating/Cooling Thermostat
will replace most 15 to 30V, 4-wire, heating/cooling system
thermostats. The CT41A is suitable for gas or oil heat/
electric air conditioning systems (NOT for heat pumps).
Recycling Notice
This control contains mercury in a sealed tube. Do not
place control in the trash at the end of its useful life.
1
PREPARATION
Proper installation of your new thermostat will
occur if you follow instructions step-by-step. It is
recommended that as you read, understand and complete
each step, you check
are unsure about wiring procedures, please call a qualified
service technician for assistance.
Check thermostat suitability for your home's system
by reviewing Your Honeywell Thermostat section,
above.
Assemble tools required as shown below.
Make certain that your burner and air conditioner
(where applicable) are working, especially if they
FLAT BLADE
SCREWDRIVER
WIRE CUTTER/STRIPPER OR SHARP
KNIFE, IF NEEDED TO STRIP WIRES
SPIRIT LEVEL, IF NEEDED TO LEVEL
THERMOSTAT FOR APPEARANCE
M3375
if off with pencil or pen. If you
HAND OR POWER
DRILL WITH 3/16 INCH
DRILL BIT, IF NEEDED TO
DRILL HOLES IN WALL
MASKING TAPE, IF NEEDED
TO LABEL WIRES AS THEY
ARE DISCONNECTED FROM
OLD THERMOSTAT
M849
S.M. • 9-94 • ©Honeywell Inc. 1994 •
Heating/Air ConditioningThermostat
If this control is replacing a control that contains mercury in
a sealed tube, do not place your old control in the trash.
Contact your local waste management authority for
instructions regarding recycling and the proper disposal of
this control or of an old control containing merucry in a
sealed tube.
If you have questions, call Honeywell Inc. at
1-800-468-1502.
have been inoperative for a length of time. If either does
not work, contact your local heating/air conditioning dealer.
Do NOT operate the air conditioning system when outdoor
temperature is below 10° C [50° F].
Carefully unpack your new thermostat. Remove and
discard the packing insert under the cover.
Save package of screws and all instruction pages.
2
THERMOSTAT FEATURES
M3782
1
• Printed in U.S.A. • Form Number 69-0848B
M3375
CT41A
MOUNTING CLIPS
(FOR COVER)
TOP
MOUNTING HOLE
(THERMOSTAT
TO WALL OR
OUTLET BOX)
ADJUSTABLE
HEAT
ANTICIPATOR
SETTING LEVER
FAN SWITCH
SYSTEM SWITCH
BOTTOM
MOUNTING HOLE
MOUNTING CLIPS
(FOR COVER)
TEMPERATURE
SETTING LEVER
69-0848B
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Table des Matières
Manuels Connexes pour Honeywell CT41A
Sommaire des Matières pour Honeywell CT41A
- Page 1 15 to 30V, 4-wire, heating/cooling system thermostats. The CT41A is suitable for gas or oil heat/ Contact your local waste management authority for electric air conditioning systems (NOT for heat pumps).
-
Page 2: Remove Old Thermostat
REMOVE OLD THERMOSTAT Begin by turning off power to the heating/air Loosen screws holding thermostat base to subbase conditioning system at the main fuse panel. Most or wall, and lift away. residential systems have a separate switch box or circuit breaker for disconnecting power to the furnace. - Page 3 Make sure you have the current draw anticipator CAUTION setting for your system. This is the number you wrote in the box in step 3. If you were unable to find the 1. If your anticipator is set too low, it may burn out. current draw in step 3, this information can be found 2.
- Page 4 TROUBLESHOOTING Your Honeywell Thermostat requires little or no attention. Most problems can generally be traced to the following: NOTE: If your system is heating-only or air conditioning-only, disregard sections not applicable to your system. Symptom Problem Corrective Action No heat System switch at OFF or COOL Move switch to HEAT position.
- Page 5 Scarborough, Ontario M1P 2V9 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.
- Page 6 Helping You Control Your World 69-0848B 69-0846...
- Page 7 DOIGT DE RÉGLAGE NIVEAU À BULLE, S’IL FAUT METTRE LE THERMOSTAT DU POINT DE CONSIGNE MF3782 DE NIVEAU POUR DES FINS D’ESTHÉTIQUES MF849A 69-0848B S.M. • Rév. 9-94 • ©Honeywell Inc. 1994 • • Imprimé aux États-Unis • Publication N 69-0848B M3375...
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Page 8: Retrait De L'ancien Thermostat
RETRAIT DE L’ANCIEN THERMOSTAT Commencez par couper le courant du circuit de réglage va de 0,18 à 1,0. Si aucune indication n’est chauffage-refroidissement au panneau de service affichée, peu importe, passez à l’étape suivante. principal. La plupart des systèmes résidentiels sont munis d’un interrupteur ou d’un disjoncteur distinct pour couper Dévissez les vis qui retiennent la base du thermostat l’alimentation au brûleur. -
Page 9: Vérification Du Thermostat
Assurez-vous que la résistance anticipatrice de AVERTISSEMENT chaleur est réglée selon l’appel de courant de votre système. Il s’agit du chiffre pris en note à l’étape 3. Si vous 1. Un réglage trop bas de la résistance n’avez pas pu découvrir l’appel de courant à l’étape 3, anticipatrice de chaleur peut la faire griller. - Page 10 VÉRIFICATION Votre thermostat Honeywell exige peu ou pas d’attention. La plupart des problèmes relèvent de ce qui suit : REMARQUE : Si vous disposez d’un système de chauffage seulement ou de refroidissement seulement, ne tenez pas compte des sections qui ne s’appliquent pas à votre système.
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Page 11: Réétalonnage Du Thermostat
Garantie limitée d’un an Honeywell garantit ce produit contre tout vice de fabrication ou de matière dans la mesure où il en est fait une utilisation et un entretien convenables, et ce, pour une période d’un (1) an à compter de la date d’achat. En cas de défectuosité ou de mauvais fonctionnement pendant la période de garantie, Honeywell remplacera ou réparera le produit (au gré... - Page 12 Pour la Maîtrise de Votre Univers 69-0848B 69-0846...