Carel Hecu handleiding
Handleiding
Je bekijkt pagina 45 van 60
45
Hecu +0300023EN rel. 1.2 - 14.12.2021
8.4 MPX valve anti-liquid return alarm
For alarms that shut down the compressor, if the “MPX valve anti-liquid
return” function is enabled, the evaporator valves will be forced closed.
This function can be enabled on screen Cag65.
In the event of an alarm from low pressure switch, the valves will not be
forced closed to allow the system to restart.
Below is the list of alarms that deactivate the compressor and close the
valve:
• High pressure
• HP prevent lock (5 attempts)
• Low SH
• SSH-DSH
• High or low oil level
• Leak alarm
8.5 High pressure prevention
Hecu can manage the high discharge pressure prevention function,
which acts by:
• overriding the compressor and fans
Prevention by overriding compressors and fans
The parameters corresponding to this function can be set in branch
G.b.a/G.b.b of the main menu.
The eff ect is to activate all of the fans at maximum speed and the BLDC
compressor at minimum speed.
An absolute activation threshold and deactivation diff erential can be set.
Furthermore, the evaluation time and the number of activations allowed
in a set time period can be set. If the number of activations is higher than
the set value, reset becomes manual.
time
dierential
Pressure
HP by pressostat
HP by probe
Prevent
Fig. 8.e
8.6 MPXPRO/Ultracella alarms
The MPXPRO and/or Ultracella alarms are sent to the Hecu user interface
and from there in turn to the supervisor for management/logging.
Bekijk gratis de handleiding van Carel Hecu, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Carel |
| Model | Hecu |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 10743 MB |
