Honeywell T822 - Product Application and Specifications; Product Application Details; System Type and Settings; Temperature Control Range

T822/T827 Series • Owner's Manual
69-2251EFS—01 2
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)
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)
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)
Electrical Ratings
Terminal Voltage(50/60Hz) RunningCurrent
W
1
 Heating 20-30Vac 0.02-1.2A
 (Powerpile) 750mVdc 100mAdc
 (DCPowered) 12Vdc .55A
Y
2
 Cooling 20-30Vac 0.02-1.2A
G Fan 20-30Vac 0.02-0.6A
 (Normallyopenhotwatervalve.) 20-30Vac 0.02-1.2A
1
 T822KandT827K
2
 T822L
* 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.