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433mhz wireless thermostat
Product description
433mhz Wireless Thermostat
The A3900 wireless thermostat allows homeowners to automate theirhome's temperature controls through the use of bi-directional controls.
Attractive, ultra-slim, ultra-modern styling: Heat pump, gas, oil and electric boiler heat compatible for up to 2 heat, 2 cool systems.
7days /5+2 programmable. Rechargeable Li-battery and recharged byuniversal USB bring the convenience. Large, backlit display LCD is easy to read. Optional Horizontal or Vertical mounting are easy to install.Reliable RF communication. Armchair programmable design is more convenient to operate.
Communicates at 433 MHz for interference free operation
Works with single or dual stage gas/electric systems, heat pumps, or hydronic systems
Programmable up to 4 time periods daily, which can be customized for each day of the week
Auto changeover from heating to cooling, with adjustable "deadband"
Backlit display for easy nighttime viewing (automatically turns off after 8 seconds of non-use)
Displays either Fahrenheit or Centigrade
Wireless thermostat uses rechargeable Li-battery 24VAC power supplied Controller
Install yourself if you are familiar with installing a standard HVAC thermostat
Designed for use with 24VAC heating/cooling systems
Thermostat is completely wireless, receiver can be mounted at unit or at old thermostat's location
Transmits at 433MHz using pulse code modulation-won't interfere with other wireless systems
Rechargeable Li-battery
7 Day Programmable with 4 time periods per day and holiday mode
Dual-setpoint with deadband and temperature sensor
All programming stored in nonvolatile memory
Display shows heat or cool setpoints, mode, and room temperature simultaneously
4 minute compressor time guard and adjustable cycle limit, both overrideable for servicing equipment
Setpoint adjustment range from 40°F to 99°F
Complicated address mode based on automatic Recognition
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