6 security inputs, 7 fans in probe error – EVCO c-pro kilo AHU User Manual

Page 56

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C-PRO KILO AHU APPLICATION MANUAL

Pag. 56

A fan operating manually is nevertheless sensitive to eventual alarms, in this case the status
will be that of Alarm.

6.5.6 Security inputs

You must manage the security of the “thermal fan” for both fans that have been configured.
In order to enable the alarm you must set from the constructor Menu the positions in which
the digital inputs will be connected for the security evaluations (Hd05, Hd07).
In cases where the fans are at the inverter, it is possible to also manage the security settings
for the “alarm inverter” in the same way as was done for the thermal configuration by
configuring the positions in parameters Hd06 and Hd08.
In order to prevent activating the security and related alarm, you will need to set the
parameter of the position at the value 0.

6.5.7 Fans in probe error

In cases where an error is verfied by the ambient regulation probe it is possible to decide the
behavior to attribute to the two fans utilizing the paramater PF10.
In cases where the fans are in modulating regulation, and therefore are at the inverter using
the parameter PF10, it is possible to decide the speed they must maintain during the alarm
phase.
In cases where the fans are the On/Off type and need to be forced on you must set a value
(any value that is higher than 0.0%) at the parameter PF10.
In each case where PF10=0.0% in probe error, the two fans are turned off.























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