thuba PS 850 S Manuel page 53

Appendix C
Press the enter-key to confirm the change
Category 'Structure' appears
Press the Enter-key to configure the Ex p-system structure.
The first item of the structure menu is the choice of the solenoid valve.
Press the Enter-key to change state.
The present state is digital solenoid valve.
Change the state by pressing Up-key
The new state is now 'Proportional solenoid valve'.
Confirm the change by pressing Enter-key
This item is the operational mode 'continuos flow' or 'leakage compensation'. The
ex works state is already 'leakage compensation' therefore:
skip this item by pressing the Up-key.
The structure menu is now finished. The main menu continues automatically with
the preselected parameters.
Start the parameter category by pressing the Enter-key.
The first menu item 'Purging volume' appears.
Enter the desired purge quantity of 2500l as follows:
Starting from the factory setting of 500l, use the following key sequence to reach
2500 l
Confirm the input by pressing the Enter-key
Edition January 2016
Copyright
C-5
thuba Ltd., CH-4015 Basel
Switzerland
Appendix C
The minimum flow while purging can be increased for special applications.
In this case leave the default
The desired minimum pressure of 0.8 mbar is already adjusted ex works.
Continue skipping this menu item by pressing the Up-key or view by pressing the
Enter-key.
Now enter the desired value of the maximum pressure. Modify the present param-
eter as shown above.
The desired maximum pressure is 12.0 mbar.
The desired set-point pressure during the purging process of 10.0 mbar is already
adjusted ex works. Continue passing this menu item by pressing the up-key.
The desired set-point pressure during normal operation must be adjusted. Mod-
ify the present parameter to 1.5 mbar as shown above..
The parameter category is now finished. The main menu continuous automati-
cally with the sub menu codes
Modify M-Code to '0001' as shown above. Please note: the M-Code cannot be
set to '0000'.
Modify By-Code to '0002' as shown above.
Set the On/Off-Code to switch the ignition-capable apparatus on or off to '0000'.
This code word is from now on disabled.
The main menu settings are now complete.
After pressing the Enter-key, the purging system is in operation state.
Edition January 2016
Copyright
C-6
thuba Ltd., CH-4015 Basel
Switzerland