Honeywell T822; T822K; T822L; T827; T827K Owner's Manual - Page 2
System Types, System Settings, Fan Settings, Specifications, Electrical Ratings
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T822/T827 Series • Owner's Manual Product application This thermostat provides control of: • 24 Vac heating systems (T822K) • 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 Temperature 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) * 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. 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) W1 Heating 20-30 Vac (Powerpile) 750 mVdc (DC Powered) 12 Vdc Y2 Cooling 20-30 Vac G Fan 20-30 Vac (Normally open hot water valve.) 20-30 Vac 1 T822K and T827K 2 T822L Running Current 0.02-1.2 A 100 mAdc .55 A 0.02-1.2 A 0.02-0.6 A 0.02-1.2 A 69-2251EFS-01 2