2 - REGULATING CONTROLLER
2.1 - Introduction
The control PLC is used to control and monitor the operating status of the various components of the air handling unit. Depending
on the options, it controls the temperature, manages the fans, monitors filter fouling and the air quality level. It can be connected
to a CMS so that it can be controlled remotely.
2.2 - Inputs/outputs
The PLC has analogue and on/off inputs/outputs. The list of inputs/outputs is described below (depending on the options installed).
The controller is installed in the electrics box.
Input designation
Type
U
Universal input (analogue or on/off)
GND, C
Shared
DI
Dry contact On/Off input
Y
0-10V analogue output
Out
Polarised 24 VAC On/Off output
NO
Normally open potential-free on/off output
NC
Normally closed potential-free on/off output
EN-5
FLOWAY