China Room Thermostat Thermostat Temperature Controller

Room thermostats for fan coilsRDFSignal Filter 302 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: signPower Transmission Parts al white (RAL 9003)Backlit display
Application selectable:2-pipe system2-pipe system with electrical heater4-pipe system
Operating voltage AC 230 V
Power consumption 7 VA
Setpoint setting range 5...40 °C
Switching differential 0.5…6 K
CommunicationNon Woven Bag Bus: Modbus RTU (RS 485)
Analog inputs, number 2
Relay outputs Fan: N.O. contacts, non-floating , Valve: N.O. contacts, non-floating
Relay outputs, number 5Detector
Relay output, switching voltage A C 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