Honeywell Thermostat T822/T827 Series Owner's Manual

Honeywell Thermostat T822/T827 Series Owner's Manual
Honeywll T822 T827

This manual covers the following models*:
T822K,L and T827K
*Images are for reference only and may not represent the actual thermostat. Series Owner’s Manual

Check package contents:

  • Thermostat
  • Wall anchors & screws (2 each)

Before you begin, make sure you have:

  • No. 2 Phillips & small pocket screwdrivers
  • Hammer
  • Level (optional)
  • Pencil
  • Drill and bit (3/16” for drywall, 7/32” for plaster)

Must be installed by a trained, experienced technician Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazardous condition.

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)

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)