Honeywell T827 Series Programmable Thermostat Owner’s Manual

Honeywell T827 Series Programmable Thermostat

Specifications

• System Types: T822/T827 Series Thermostat
• System Settings: Base installation, Wiring, Terminal Designations
• Fan Settings: Thermostat mounting, Fan switch (select models), System switch (select models)

Electrical Ratings

This manual covers the following models*:

T822K,L • T827K
Images are for reference only and may not represent the actual thermostat.

Pre-installation checklist

Check package contents

• Thermostat
• Wall anchors & screws (2 each)

Before you begin, make sure you have:

• No. Phillips & small pocket screwdrivers
• Hammer
• Level (optional) Pencil
• Drill and bit (3/16″ for drywall, 7/32″ for plaster)

Must be installed by a trained, experienced technician
Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazardous condition.

CAUTION : ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.

MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.

Product application

This thermostat provides control of:

• 24 Vac heating systems (T82 2K)
• 750 mV or 12 Vdc heating systems (T827K)
• 24 Vac cooling systems (T822L)

System Types

• Gas or oil
• Warm air, hot water, high-efficiency furnaces, heat pumps, steam, gravity
• Normally closed hot water valves (T822K)
• 2-wire cooling systems (T822L)
• Normally open hot water valves (T822L)

System Settings
Heat, Off (select models only)

Fan Settings
Auto, On (select models only)

Specifications

Tempera ture Control Range

• 45° to 95°F (7° to 35°C)
• 35° to 85°F (2° to 29°C)*

Operating Ambient Temperature

• 0° to 120°F (-18° to 49°C)

Operating Relative Humidity

• 5% to 90% (non-condensing)

Dimensions (vertical model)

• 2.88W x 4.75H x 1.5D (inches)
• 73W x 121H x 38D (mm)

Dimensions (horizontal model)

• 4.75W x 2.88H x 1.5D (inches)
• 121W x73H x 38D (mm)

CAUTION : Do not use a product with this temperature control range in a home. Temperatures at or below freezing can occur. A product with this temperature range is for use in areas where temperatures below freezing can occur, such as a garage.

Electrical Ratings

Base installation

Wiring

1. Loosen screw terminals, insert bare wires beneath screws, then re-tighten screws.
2. Push any excess wire back into the wall opening
3. Plug the wall opening with nonflammable insulation to prevent drafts from affecting thermostat operation.

Terminal Designations

• R Heating power. Connect to the secondary side of the heating system transformer.
• W1 Heat relay.
• Y2 Cool relay, or normally open hot water valve.
• G Fan relay (select models only)
  • 1: T822K and T827K
  • 2: T822L

Wire specifications

Use an 18-gauge thermostat wire. Shielded cable is not required.

Set heat anticipator (model T822K only)

Thermostat mounting

Align the slots on the cover with tabs on the sides of the base, then push gently until the cover snaps into place.

Operation

warranty

5-year 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 five (5) years 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,

• return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or

• 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 CONSEQUENTIAL 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 FIVE-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 warranty questions, 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, Toronto, Ontario M1V4Z9

Need Help?
For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502

Automation and Control Solutions

• Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422
• Honeywell Limited-Honeywell Limitée 35 Dynamic Drive
• Toronto, Ontario M1V 4Z9

FAQ

• Q: Can this thermostat be used in areas with freezing temperatures?
  • A: No, this thermostat should not be used in homes where temperatures at or below freezing can occur. It is suitable for use in areas such as a garage where freezing temperatures can occur.
• Q: What is the warranty for this product?
  • A: Honeywell offers a 5-year limited warranty for this product, covering defects in materials and workmanship.

http://yourhome.honeywell.com

Printed in the U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.
® U.S. Registered Trademark.
© 2008 Honeywell International Inc. 69-2251EFS—01 M.S. 07-08

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