Schaller Automation VN 115/87 EMC, Manual, Page: 17 / 40

17
Procedure 1:
Procedure 2:
1. Close the air pressure 2. Hold the filter cage in one
hand and pull the blue tab
down horizontally with your
thumb.
3. Turn the filter cage
clockwise and pull out
downwards
4. Unscrew the black
plastic disc and remove the
dirty filter
5. Screw in the new filter
counter-clockwise and
make sure that it is
aligned for installation
6. Reinstall the filter cage 7. Install the quick
connection
8. Fill in slacked water in
the u-tube manometer
9. To the middle line 10. Install the u-tube
manometer
11. Adjust the air
pressure to 60.00
mmWC.
12. Disconnect the u-tube
manometer and install the
plug for inspection cover
1. Check the negative
pressure with a u-tube
manometer. Adjust if
necessary! Setting level is
60,00 mmWC!
2. replace the sintered
bronze air filter/fresh air
filter (part no.: 10042)
3. Clean the fresh air
bones in the measuring
head. Use the cleaning
needle (Part no.: 10135)
4. Clean the infrared
sensor glasses at the left
and the right side inside
the measuring head. Use
cotton sticks (Part no.:
10036) and technical
alcohol (Part no.: 10035)