Shandong Chenxuan Valve Manufacturing Co., Ltd.  

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Product Name: Rdf302 Flush-Mount Room Thermostat for Rectangular Conduit Box with Modbus Communications, 2-/4-Pipe Fan Coils or Dx Type Equipment Siemens Rdf302 Model NO.: RDF302 Trademark: SIEMENS Specification: RDF302 Origin: China Product Description Room thermostats for fan coilsRDF302 Flush-mount room thermostat for rectangular conduit box with Modbus communications, 2-/4-pipe fan coils or DX type equipmentModbus communicationsFor heating and/or cooling applications2 or 3-position control outputsOutput for 1-speed or 3-speed fan2 multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contactOperating modes: Comfort, Economy and ProtectionAutomatic or manual heating/cooling changeoverAdjustable commissioning and control parametersMinimum and maximum setpoint limitationColor of housing: signal white (RAL 9003)Backlit displayApplication selectable:2-pipe system2-pipe system with electrical heater4-pipe system Operating voltage AC 230 VPower consumption 7 VASetpoint setting range 5...40 °CSwitching differential 0.5…6 KCommunication Bus: Modbus RTU (RS 485)Analog inputs, number 2Relay outputs Fan: N.O. contacts, non-floating , Valve: N.O. contacts, non-floatingRelay outputs, number 5Relay output, switching voltage A C 230 VRelay output, switching current 5 (2) AType of fixing Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mmDegree of protection IP30Dimensions (W x H x D) 86 x 86 x 57 mm