19© Vallox Oy - All rights reservedTECHNICAL SPECIFICATIONSMB_A External Modbus A signalMB_B External Modbus B signal+24V +24V voltage (DC)GND Digital and analog ground potentialRS_A Local hardware Modbus A signalRS_B Local hardware Modbus B signalNTC External temperature sensor connectorD/I1 Digital input 1D/I2 Digital input 211V1 11.1 V operating voltageAN/I Analog input 0-10VDCRM/I 24V relay inputRM/O 24V relay outputP Circulation pumpV Solenoid valveEXTERNAL ELECTRICAL CONNECTION FORCONTROLLING THE MLV DUCT RADIATOR3x1,5S2x0,5L+24VDCCATGNDP VL N1 2N2x0,5Ethernet connectionon top of the unitRJ45 Female24 VDC relay/contactor forcontrolling the pumpand solenoid valveVENTILATION UNIT INTERNALELECTRICAL CONNECTIONDistributionboardMLV controlExternaltemperature sensorNTC 4K7Plug connection1.2 m on top of the unit