Honeywell T822 User Manual

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3 69-2251EFS—01
M27305
M27306
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plas-
ter),thentapinsuppliedwall
anchors.
3. Pullwiresthroughbase,posi-
tion over anchors, and insert
screws. Check level if desired,
then tighten screws.
Base installation
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.
W
1
Heat relay.
Y
2
Cool relay, or
normally open hot water valve.
G Fanrelay(selectmodelsonly)
1
 T822KandT827K
2
 T822L
Wire specifications
Use18-gaugethermostatwire.Shielded
cable is not required.
Wiring

Honeywell T822 Specifications

General

Brand	Honeywell
Model	T822
Category	Thermostat
Language	English