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The Constant Pressure function maintains a constant
pressure in the extract air chamber (only in the pressure
transmitter model Vallox Exxeo DPC). You can choose
two limit values for the extract air chamber pressure.
The Low value specifies the minimum extract air
chamber pressure, and the High value specifies the
maximum extract air chamber pressure. If analog control
is used (0–10 VDC), the minimum extract air chamber
pressure equals 0 VDC and the maximum extract air
chamber pressure equals 10 VDC. If digital control is
MANU
AL
1. Function menu
1.1
Constant Pressure menu
Menu
+/
–
+/
–
+/
–
+/
–
+/
–
Menu
Only DPC
Only DPC
NOTE
Before activating the Constant Pressure control,
remove the measuring tube of the + connector as
shown in the figure.
