Four Pipe Wifi Voice Intelligent Room Thermostat Digital Programmable Temperature Controller for BAC-002EL

BAC-002 series modern round touch screen room thermostats are designed to on/off control the fans and valves in air conditioner applications via comparison of the room temperature and setting temp. as reaching the aim of comfort and saving energy. Features: Powerful functions are available such as Modbus/WIFI etc. 0.5 degrees C Accuracy keeps temperature within the level you set. Clock memory when power is off. 5+2 six periods programmable maximize comfort and economy. Create thermostat group to centrally control. Support Device Sharing to your family or friends. All setting languages synchronize your time zone, address and language. No limit to add thermostats in App. Support intelligent scene.? Specifications: Shell Material: PC +ABS ( Fireproof) Model: BAC-002AL, BAC-002ALW, BAC-002EL, BAC-002ELW (optional) Color: White, Black, White & Black, Black & White (optional) Power Supply: 95 ~ 240 VAC, 50 ~ 60HZ Fan Relay Amps Resistance: 5A; Inductive: 3A Valve Relay Amps Resistance: 3A; Inductive: 1A Sensor: NTC3950, 10K Accuracy: +/-0.5 celsius Set Temp. Range: 5 -35 celsius Dispaly Temp. Range: 5 ~ 99 celsius Ambient Temp.: 0 ~ 45 celsius Ambient Humidity: 5 ~ 95 % RH (Non Condensing) Storage Temp.: -5 ~ 45 celsius Power Consumption: less than 1.5W Timing Error: less than 1% Installation Box: 86 * 86mm Square or European 60mm Round Box Wire Terminals: Wire 2 x 1.5 mm2 or 1 x 2.5 mm2 Protection Class: IP20 Buttons: Capactive Touch Buttons Cell: CR1220 button cell (not included) Item Size: 86 * 86mm / 3.39 * 3.39in Package Weight:? ? ?BAC-002AL/BAC-002ALW: 221g / 7.8ounces ? ?BAC-002EL/BAC-002ELW: 225g / 7.94ounces Package Size: 108 * 90 * 60mm / 4.25 * 3.54 * 2.36in Model Definition: A : Two pipe; Control Fan Coil Unit and Two Wired Motorized Valve L: Backlight W: Wifi connection E : Four pipe; Control Fan Coil Unit and Two Wired Heat Valve and Two Wired Cool Valve Note: The thermostat only can be used for central air conditioning system and control fan coil. Two pipe valve: hot water supply in winter for heating, and cold water supply in summer for cooling. Four pipe valve: cold and hot water supply at the same time, heating and cooling at any time. Packing List: 1 * Thermostat? 2 * Screws 1 * Wall Plate 1 * User Guide? ?