Specifications


Aprilaire8870CommunicatingThermostat
• Compatiblewithvirtuallyallmajorhomecontrolsystems
• Messagecenterallowsyoutoreceivemessagesfromyour
homecontrolsystem
• Easy‐to‐read,backlitdisplays
• Poweredbythermostatwiringlinecurrent,nobatteries
required
• Price:$244
Specifications
Manufacturer: Aprilaire
Manufacturer Product
No.:

8870
UPC: 686720887000
Dimensions: 5.01" H x 5.52" W x 1.15" D
Power:
Control Voltage: 24 VAC +/- 20%;
Switched Voltage: 18- 30 VAC;
Maximum Operating Current: 2.0A total at rated voltage,
through all outputs/1.0A through any one output;
Maximum Surge Current: 2.0A

Temperature:
Control Accuracy: +/- 1.0 F;
Control Range: 40 to 90 F;
Operating Range: 32 to 99 F

Humidity:
Control Range: 10- 90% ± 5% (with optional sensor);
comfort range: 10- 45% ± 3%;
HVAC terminals: RH, RC, W1, W2, Y1, Y2, G, O, B

Communication
Terminals:

Transit terminals: A+, A-; Receive terminals: B+, B-
Warranty: 2 years, limited

Source:http://www.smarthome.com/3020T.html



‐43‐