China Hessway LED 220VAC 24VAC Heat Cool Temp Thermostat RS485 Modbus for Fan Coil Unit Nc No

HESSWAY led 220VAC 24VAC heat cool temp thermostat RS485/MODBUS for fan coil unit NC NO

BAC-002 series Touch Screen Room Thermostats are designed to on/off control the fans and valve in air conditioner applications via comparison of the room temperature and setting temp. as reaching the aim of comfort and saving energy.

Modern design of air conditioner temperature controller is similar as a cell phone. Beautiful frame chrome makes elegant life. Acrylic lenses to avoid the finger scratch. Touch button makes simple operation

Functions

1.RS485 interface, Modbus communication protocol, create a centralized control network
2. The device outputs ON/OFF
3. 0.5 degC Accuracy keeps temperature within the level you set.
4.Clock memory when power is off
5. 5+2 six periods programmable maximize comfort and economy.
6. Create thermostat group to centrally control.
Technical parameters

Power SupplyAC24V,95-240VAC 50~60HzRated current5A for fan and 3A for valveSet Point Range5~35degCAmbient temperature0degC~50degCExterior colorfull black and full whiteInstallation86MM Wall mounted or 60MM Embedded installationSensorNTCAccuracy/Differencenplusmn0.5degC/plusmn1degCProtection ClassIP30HousingPC (Fireproof)Storage temperature-5~ 55ºCApplicationCentral air conditioningFan coil unitsMode

2pipes (heating or cooling),4Pipes(heating and cooling)

Fan speedHigh,mid,low,autoProgrammable mode5+2 six periods programmableModbusGeneral standard communication protocolON/OFF switch100% switch

On Appearance
1. 86mm hidden box and european 60mm round box is suitable.
2. White, black or mix-color housing creates your colorful life.
3. White backlight protect your eyes
Fan Coil can be connected with 5, 6 and 7 terminals!
4pipes Valves can be connected with 3 and 4 terminals (cold valves),1 and 2 terminals( hot valves)
9(L)and 8( N ) is power connection terminals.
Installation wires should be choosed to be 1.5-2.5 mm2 hard wire. Please rightly connect the wires strict according to the connection diagram. Don't make water, mud and other debris into the thermostat, otherwise it will damage the thermostat.
RS485 communication command operation

Packing list

1* Thermostat(White and black optional)

2* Mounting screws
1* User guide for thermostat (in English)
1* Modbus instruction manual
1* Screwdriver