BARTEC BENKE HYGROPHIL H 4230-12 Ex Zone II, Operating Instructions Manual, Page: 48 / 112

Installation
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Operating Instructions HYGROPHIL® H 4230-12 BA 060207
3.6.2 Settings
Configuration
For operating with over-pressure you must deactivate ejector operating.

Start programming mode (see section 5.1.2).

Open the menu EQUIP. CONF. (see section 5.2.4).
 Open the submenu FLOW-CONTR (see section 5.2.4.5) and switch off
the compressed air control.

Then open the submenu SET FLOW (see section 5.2.4.6). Set the nomi-
nal value for DP to 700 hPa and the tolerance for the proportional valve
DP RANGE to 200 hPa.
Thermostat
When delivered the thermostat is set to a temperature that prevents the
pressure-reduction controller from occurring condensation. Set the thermo-
stat to a control temperature of at least 110 °C (maximum temperature:
140 °C).
In the supply pipe of the pressure-reduction controller condensation has to
be avoided too. If necessary the pipe must be heated.
Pressure regulation
Regulate the pressure to a value that effects a displayed differential pres-
sure

P of 700 ±30hPa at the measuring device.
Increase pressure Decrease pressure