Heating thermostat RDF302/VB

roomelectronicanalog

Modbus communications For heating and/or cooling applications 2 or 3-position control outputs Output for 1-speed or 3-speed fan 2 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 contact Operating modes: Comfort, Economy and Protection Automatic or manual heating/cooling changeover Adjustable commissioning and control parameters Minimum and maximum setpoint limitation Color of housing: black (RAL 9004) Backlit display 2-pipe system 2-pipe system with electrical heater 4-pipe system Operating voltage AC 230 V Power consumption 7 VA Setpoint setting range 5…40 °C Switching differential 0.5…6 K Communication Bus: Modbus RTU (RS 485) Analog inputs, number 2 Relay outputs Fan: Normally open contact , Valve: Normally open contact , Non floating Relay outputs, number 5 Relay output, switching voltage 230 V Relay output, switching current 5 (2)A Type of fixing Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm Degree of protection IP30 Dimensions (W x H x D) 86 x 86 x 57 mm Color Black