Operating manual for the VISATRON VN2020
V2.0 12/2021 EN
Page
45
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106
SCHALLER AUTOMATION
66440 Blieskastel / Saarland / Germany / Industriering 14 / P.O. Box 1280
Industrielle Automationstechnik GmbH & Co. KG
T
el. +49(0)6842-508
-
0
/ Fax -260 / Email: [email protected] /
www.schaller-automation.com
7.10.
Starting up for the first time
WARNING!
Engine protection not guaranteed
Risk of oil mist explosion
➔
The oil mist detector may only be started up after all the components have been
completely installed.
7.10.1. Setting the negative pressure at the measuring head
Figure 53: Front view of measuring head
(1) Measuring head
(2) Inspection cover
(3) Screw plug
(4) U-tube manometer/digital differential pressure gauge
(5) Quick-release coupling
(6) Water for U-tube manometer
To establish protection of the engine, start up the oil mist detector for the first time with the
engine stopped.
ATTENTION!
Suction power is not reached
Premature error message
➔
Set a negative pressure of 60 mmH2O ± 5 mmH2O.
Required tools:
Allen key size 6
U-tube manometer 270532/differential pressure gauge 151800
Torque wrench for torque of 15 Nm
CAUTION!
The suction pressure of the oil mist detection system is adjusted by adjusting the filter control
valve when the engine is at a standstill. Make sure that at least one crankcase cover of the
engine is open to prevent any influence of crankcase pressure on suction pressure.
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2
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