AprilAire®

8400 Series 2 Heat/2 Cool Programmable Thermostat

Description

Specifications

Description

The Aprilaire® 8400 Series IAQ Controls are easy to install and convenient to use.

Features

  • 2 Heat/2 Cool for conventional systems or 4Heat/2 Cool for heat pumps
  • Easy to use temperature control to override program schedule at anytime
  • Progressive recovery
  • Permanent program retention during power loss
  • 5/1/1 day programmable, 5/2 day
  • Large 4.5 square inch LCD with high contrast, bright, white backlit displayfor easier readin
  • Dual Powered (choice of battery powered or hardwired)
  • Easy-to-wire terminal block
  • Water panel, air filter, dehumidifier and HVAC service indicators
  • Adjustable differential for 1st, 2nd, 3rd and 4th stage
  • Millivolt compatible
  • High and low balance point
  • Compressor lockout protection
  • 5-year warranty

California residents: see Proposition 65 Warning

Documents

picture_as_pdf consumer literature

picture_as_pdf installation instructions

picture_as_pdf specification sheet

picture_as_pdf use & care instructions

Specifications

Weight 0.75
Height 5.75
Length 4.75
Width 1.75
750mV Compatible Yes
Accuracy ± 1°F
Ambient Temperature Range 32°F to 120°F (0°C to 48.89°C)
Auto Changeover Yes
Backlit Yes
Batteries Included Yes
Battery Backup Yes
Brand AprilAire®
Built In Wi-Fi No
Change/Check Reminders Yes
Country of Origin USA
Cubic Measurement 0.0277
Daylight Savings Time Ready No
Differential Temperature 1°F per stage
Digital-Non Programmable No
Digital-Programmable Yes
Dimensional Weight 1
Display Yes
Display Options LCD
Display Size 4.5 sq inch
Displays Outdoor Temperature Yes
Dual Transformer Compatible Yes
EAN 0686720846601
Electrical Connection Type Screw Terminals
Electrical Rating 24v AC ± 6v or 2 AA Batteries
Energy Star Rated No
Fan Switching Yes
GTIN 00686720846601
Heat Pump Compatible Yes
Hinged No
Humidification No
Indoor Remote Sensor No
Language English
Low Battery Indicator Yes
Manual Yes
Mounting Included Wall Plate
Operating Temperature Range 32°F to 120°F (0°C to 48.8°C)
Package Height 6
Package Length 5
Package Weight 1
Package Width 2
Power Method Dual Powered: Battery or Hardwired
Programmable Fan No
Prop 65 No
Removable Interface Yes
Sensing Element Yes
Stages Cool 2
Stages Heat 2
Switch Action Definite Purpose Relay
System Switching Yes
Temperature Range 45°F to 99°F (7.22°C to 37.22°C)
Terminal Designations RC, R, W, Y, G, C, S1, S2, O/B, L, W2, Y2
Touchscreen No
UOM EA
UPC 686720846601
Vacation Mode No
Voltage 24 VAC
Works with Google Assistant No
Works with Rheem EcoNet No