Simultaneous Mode; Set Point Reset - Carel pRack pR300T Manual Del Usuario

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3.2 Simultaneous mode

If simultaneous mode is selected, the action to increase the minimum HPV valve set point is performed in the
same way as in sequential mode, and is confi gured on screen Eeab28.
The action to increase the gas cooler fan set point, on the other hand, is calculated automatically based on
the following diagram:
Increase the minimum
set point for HPV
The largest value
Set-point HPV for
the COP maximum value

3.3 Set point reset

+030220595 - 1.0 - 27.01.2016
The new minimum
HPV valve set point
Direct formula to calculate COP maximum
Fig. 3.c
The new gas cooler set point will respect the limits defi ned
on screen Dab02.
To avoid abrupt variations to the set point, a maximum
decrease time can be specifi ed in relation to application of
the maximum allowed off set.
16
Inverse Formula for COP
Set-point value
of Gas Cooler