Honeywell T822 Series Owners Manual

Owner’s Manual

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Mode d’emploi

Français : Page 6

Manual de Uso

Español: Página 11

T822 Series

Thermostat

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:	Before you begin, make sure you have:
• Thermostat	•	No. 2 Phillips & small pocket screwdrivers
• Wall anchors & screws (2 each)	•	Hammer
	•	Level (optional)
	•	Pencil
	• Drill and bit (3/16” for drywall, 7/32” for

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

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.

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T822 Series • Owner's Manual

Product application

This thermostat provides control of:

•24 Vac heating systems (T822)

•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)

Specifications

Temperature Control Range

•50° to 90°F (10° to 32°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)

Electrical Ratings

Terminal		Voltage (50/60Hz)	Running Current
W1	Heating	20-30 Vac	0.02-1.2 A
	(Powerpile)	750 mVdc	100 mAdc
	(DC Powered)	12 Vdc	.55 A
Y2	Cooling	20-30 Vac	0.02-1.2 A
	(Normally open hot water valve.) 20-30 Vac		0.02-1.2 A

1T822K and T827K

2T822L

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Base installation

1. Pull wires through wire hole. Position base on wall, level and mark hole positions.

2. Drill holes (3/16” holes for drywall, 7/32” holes for plaster), then tap in supplied wall anchors.

3. Pull wires through base, posi-
	tion over anchors, and insert	M23791
	screws. Check level if desired,
	then tighten screws.
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 secondary
	side of heating system transformer.
W1	Heat relay.
Y2	Cool relay, or
	normally open hot water valve.
1	T822K and T827K
	T822K and T827K
2	T822L
	T822L
Wire specifications
Use 18-gauge thermostat wire. Shielded
cable is not required.
		M24695
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T822 Series • Owner's Manual

Set heat anticipator (model T822K only)

Move the adjustment arrow to the proper setting for your system (see table below).

Your system	Setting
Steam	1.2
Hot water heat	0.8
Warm air (high efficiency)	0.8
Warm air (standard)	0.4
Electric heat	0.3

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.

Tab

M23795

M23796

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Operation
Temperature setting	System switch (select models)

Adjust to set desired indoor temperature.

•Heat: Controls the heating system.

•Off: All systems are off.

M24696

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 product 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 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 FIVEYEAR 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.

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