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3 69-2251EFS—01
M27305
M27306
1. Pullwiresthroughwirehole.
Position base on wall, level and
mark hole positions.
2. Drillholes(3/16”holesfor
drywall,7/32”holesforplas-
ter),thentapinsuppliedwall
anchors.
3. Pullwiresthroughbase,posi-
tion over anchors, and insert
screws. Check level if desired,
then tighten screws.
Base installation1. Loosenscrewterminals,insertbarewires
beneathscrews,thenre-tightenscrews.
2. Pushanyexcesswirebackintothewall
opening
3. Plugthewallopeningwithnonflammable
insulation to prevent drafts from affecting
thermostat operation.
Terminal DesignationsR Heating power. Connect to secondary
side of heating system transformer.
W1 Heat relay.
Y2 Cool relay, or
normally open hot water valve.
G Fanrelay(selectmodelsonly)
1 T822KandT827K
2 T822L
Wire specificationsUse18-gaugether mostatwire.Shi elded
cable is not req uired.
Wiring