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INSTALLATION OPERATIONS AND MAINTENANCE MANUAL - VORT NRG MEGA-R SERIES
14. RS485 SERIAL INTERFACE CARD
Serial line interface card to the supervision system (available only MODBUS-RS485). The installation of the card will allow the
unit to be connected to a system with MODBUS-RS485 protocol.
This system allows you to remotely monitor all the operating parameters of the unit and change their values. The serial inter-
face card is installed and wired exclusively in the factory.
The unit does not work in case of inversion of the polarity of the wiring. The unit is programmed with serial address 1. The list
of MODBUS variables is available by contacting the company.
15. CO
2
PROBE
The CO
2
air quality probe can only be available for ECO configuration units. It is installed inside the unit, on the return room
intake and wired at the factory. The probe measures the carbon dioxide amount present in the room, according to the value it
will increase (or decrease) the fresh air volume so that the presence of CO
2
will be diluted.
TECHNICAL DATA
Measuring range
ppm
0-2000
Grade of accuracy at 25°C
%
± 5
Interval of measure
sec.
about 15
Temperature operating range
°C
20 - 60
Humidity operating range
%
0 - 95
CO
2
PROBE
RETURN
SUPPLY
