Honeywell T822; T822K; T822L; T827; T827K Owner's Manual - Page 3

English: Page 1 • Français : Page 6 • Español: Página 11 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, position over anchors, and insert 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. G Fan relay (select models only) 1 T822K and T827K 2 T822L Wire specifications Use 18-gauge thermostat wire. Shielded cable is not required. M27305 M27306 3 69-2251EFS-01