External electrical connection for controlling the MLV duct radiator

No.NameNo.Name
1Internal connection of the ventilation unit5Ethernet connection on top of the unit
2External temperature sensor NTC 4K76RJ45 Female
324 VDC relay/contactor for controlling the pump and solenoid valve7MLV control
4Distribution board8Plug connection 1.2 m on top of the unit
MB_AExternal Modbus A signalD/I2Digital input 2
MB_BExternal Modbus B signal11V111.1 V operating voltage
+24V+24 V voltage (DC)AN/IAnalog input 0-10 VDC
GNDDigital and analog ground potentialRM/I24 V relay input
RS_ALocal hardware Modbus A signalRM/O24 V relay output
RS_BLocal hardware Modbus B signalPCirculation pump
NTCExternal temperature sensor connectorVSolenoid valve
D/I1Digital input 1