External electrical connection

1MyVallox VOC sensor8Digital input 2
2MyVallox %RH sensor9Potential-free contact data 24VDC. Can be programmed to display, for example, error notifications or the HR cell’s bypass status.
3MyVallox CO2 sensor10Ethernet connection on top of the unit
4Remote monitoring Modbus RTU11RJ45 female
5External temperature sensor NTC 47K12Internal connection of the ventilation unit
6Analog input. Two separate functions.13Plug connection Plug connection 1.2 m on top of the unit
7Digital input 114MyVallox control panel
MB_AExternal Modbus A signalD/l1Digital input 1
MB_BExternal Modbus B signalD/l2Digital input 2
+24V+24 V voltage (DC)11V111.1 V operating voltage
GNDDigital and analog ground potentialAN/IAnalog input 0-10 VDC
RS_ALocal hardware Modbus A signalRM/I24 V relay input
RS_BLocal hardware Modbus B signalRM/O24 V relay output
NTCExternal temperature sensor connector
Table 1. Power supply
ObjectFeed
Maximum≤6W
MyVallox Control1 W
MyVallox Touch0.5 W
%RH sensor0.3 W
CO2 sensor1.2 W
VOC sensor2 W
Voltage24 VDC