Honeywell CT41A Owner's Manual
Honeywell CT41A Manual
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- Honeywell CT41A | Owner's Manual - Page 1
Congratulations on the purchase of your new thermostat! YOUR NEW CT41A THERMOSTAT If you are unsure about wiring procedures, please call a qualified service technician for assistance. ❑ To correctly install your new thermostat, follow these step-by-step instructions. It is recommended that, as you - Honeywell CT41A | Owner's Manual - Page 2
CT41A HEATING/COOLING THERMOSTAT 2 REMOVE OLD THERMOSTAT wires during installation can damage equipment. Disconnect power at furnace or main breaker/ fuse box before beginning installation. ❑ Carefully unpack your new thermostat and save the package of screws, the instructions the primary control of - Honeywell CT41A | Owner's Manual - Page 3
is usually a gas valve, zone valve, or a relay or burner control box with the thermostat wires connected to it. For electric heat, add the fan relay current, usually 0.2A to 0.4A.) CT41A HEATING/COOLING THERMOSTAT 8406 SHOWS VOLTAGE RATING SHOWS ANTICIPATOR SETTING V8043E 1004 4 24V 50/60CY - Honeywell CT41A | Owner's Manual - Page 4
controls as follows: Auto: fan operates when heating or air conditioning system operates. On: fan operates continuously. NOTE: In the following instructions for operation. 6 TROUBLESHOOTING (TABLE 2) Your Honeywell thermostat requires little or no attention. Most problems can be resolved according - Honeywell CT41A | Owner's Manual - Page 5
. Relight pilot flame according to furnace manufacturer instructions. Incorrect connections to thermostat. With power to furnace at Off, tighten all mounting and terminal screws. Repair frayed or broken wires. Other. Contact a qualified service technician for assistance. Burner On period is - Honeywell CT41A | Owner's Manual - Page 6
CT41A HEATING/COOLING THERMOSTAT 7 RECALIBRATE THERMOMETER If the thermostat setpoint and the thermometer reading do not agree, the thermometer may need recalibration. Follow this procedure: ❑ Remove thermostat cover. ❑ Set the cover on a table near an accurate thermometer. ❑ After allowing five or - Honeywell CT41A | Owner's Manual - Page 7
CT41A HEATING/COOLING THERMOSTAT Limited One-Year Warranty Honeywell warrants this product, excluding battery, 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 - Honeywell CT41A | Owner's Manual - Page 8
CT41A HEATING/COOLING THERMOSTAT Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 69-0788-2 G.H. Rev. 10-03 Printed in U.S.A. on recycled
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® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc •
• All Rights
INSTALLATION INSTRUCTIONS
69-0788-2
CT41A
Heating/Cooling Thermostat
Heating/Cooling
15 to 30 Vac Thermostat
Congratulations on the purchase of your new thermostat!
YOUR NEW CT41A THERMOSTAT
Your new CT41A Thermostat replaces most 15 to 30V,
4-wire, heating/cooling system thermostats. The CT41A
is suitable for gas or oil heat or electric air conditioning
systems.
Direct questions about this thermostat to our Web site at
www.honeywell.com/yourhome or call the customer
information line at 1-800-468-1502.
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of it properly.
Contact your local waste management authority
for instructions regarding recycling and the
proper disposal of an old control.
1 PREPARE FOR INSTALLATION
If you are unsure about wiring procedures, please call a
qualified service technician for assistance.
❑
To correctly install your new thermostat, follow these
step-by-step instructions. It is recommended that, as
you read, understand, and complete each step, you
place a check mark in each box provided.
❑
See Your New CT41A Thermostat section above to
determine the thermostat suitability for compatibility
with your home system. If not, return it to the retailer.
Acquire the required installation tools and supplies, as
needed. See Fig. 1.
Fig. 1. Required installation tools/supplies.
M10614
MERCURY
SWITCH
TYPICAL LOCATION OF A MERCURY
SWITCH IN A THERMOSTAT
M20551
SCREWDRIVER
HAND OR POWER
DRILL WITH 3/16 INCH
DRILL BIT, IF NEEDED TO
DRILL HOLES IN WALL
WIRE CUTTER/STRIPPER IF NEEDED TO STRIP WIRES
LEVEL, IF NEEDED TO LEVEL
THERMOSTAT FOR APPEARANCE