Product Application; Electrical Ratings; System Settings; Specifications - Honeywell T822K Owner's Manual

T822 Series • Owner's Manual

Product application

This thermostat provides control of:
• 24 Vac heating systems (T822)
• 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 opened hot water valves (T822K)
• 2-wire cooling systems (T822L)
• Normally closed hot water valves (T822L)

System Settings

• Heat, Off (select models only)

Specifications

Temperature Range
• 50° to 90°F (10° to 32°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)

Electrical Ratings

Terminal Voltage (50/60Hz)
W Heating
(Powerpile)
(DC Powered)
Y Cooling
Running Current
20-30 Vac
750 mVdc
12 Vdc
20-30 Vac
0.02-1.2 A
100 mAdc
.55 A
0.02-1.2 A
2