EVCO S.p.A.
EV3 HRV & EVD HRV
| Application manual ver. 1.0a | Code 1443DHRVE104
page 8 of 74
2.2
Description of EVD HRV
The diagram below shows the layout of the EVD HRV for installation in an electrical panel on a DIN rail in standard 4 DIN-module
format.
The table below describes each part of the EVD HRV.
Part
Description
1
male Micro-Fit connector for cabling for analogue inputs, digital inputs, analogue outputs and the open collector digital
output (for future reference, the digital output OC1)
2
micro-switch for the termination resistor for the RS-485 MODBUS line
3
plug-in screw terminal block, male only, for cabling for the RS-485 MODBUS port
4
plug-in screw terminal block, male only, for cabling for the INTRABUS port
5
plug-in screw terminal block, male only, for cabling for the digital outputs with electro-mechanical relay (for future
reference, the digital outputs DO1 and DO2)
6
plug-in screw terminal block, male only, for cabling for the power supply, electrical-mechanical relay digital outputs (for
future reference, the digital outputs DO3 and DO4)