Aprilaire® Thermostat, Series: 8400, 24 VAC, 1 - 2.5 A, 5-1-1, 5-2 day Program Programmability, Dual Powered - Battery/Hardwired Power Source, 2 Heat/2 Cool, 4 Heat/2 Cool Heat Pump -Stage, 4.5 sq-in LCD, Universal Display, 32 - 120 deg F Ambient, -30 to 140 deg F Storage, 5 - 90% RH Humidity, +/-1 deg F Accuracy, Horizontal Mounting, RC, R, W, Y, G, C, S1, S2, 0/B, L, W2, Y2 Terminal Designation, 5-1/4 in W x 4-1/2 in H x 1 in D
Voltage Rating |
: |
24 V |
Amperage Rating |
: |
2.5 A |
Programmability |
: |
5-1-1|5-2 |
Power Source |
: |
Dual Powered - Battery/Hardwired |
Number of Stages |
: |
4-Heat/2-Cool |
Display Type |
: |
4.5 sq-in LCD, Universal |
Temperature Rating |
: |
32 - 120 deg F Ambient, -30 to 140 deg F Storage |
Humidity Rating |
: |
5 - 90% RH |
Accuracy |
: |
+/-1 deg F |
Mounting Type |
: |
Horizontal |
Terminal Designation |
: |
RC, R, W, Y, G, C, S1, S2, 0/B, L, W2, Y2 |
Dimensions |
: |
5-1/4 in W x 4-1/2 in H x 1 in D |
- Energy savings - set back the temperature overnight and when you're away
- Progressive recovery - this feature ensures your home is always at your desired temperature by activating the heating and cooling equipment prior to a scheduled setting
- 5-1-1 day - create a different program for weekdays, Saturday and Sunday, 5-2 day - create a different program for weekdays and weekends
- A large 4.5 sq-in LCD screen with a high-contrast, backlit display for easy reading
- It works with both standard and heat pump HVAC systems and is installed by a local HVAC professional
- Easy-to-use temperature control and the ability to override the program schedule at any time
- Simultaneous temperature display of room temperature, temperature setting and outdoor temperature, in fahrenheit or celsius
- Circulate fan mode helps you prevent hot and cold spots and maintain consistent temperature throughout your home, also keeps your air cleaner
- Service reminders for your HVAC system, humidifier, dehumidifier and air filter protect your equipment and ensure the longevity of your investment
- Permanent memory - maintains programming, time and date during a power outage
- Simple setup menu to activating optional features
- Quick reference instructions on board
- Soft-touch keys
- 32 - 99 deg F display range, 45 - 99 deg F control range
- Can control single or multi-stage standard or heat pump systems