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Operating manual for the VISATRON VN2020
V2.0 12/2021 EN
Page
23
of
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
6. Installation
6.1. Safety precautions before use
DANGER!
Explosion of the crankcase
Serious injury, including death
➔
You may only install and remove the oil mist detection system
when the engine is switched off.
DANGER!
Explosion of the crankcase
Serious injury, including death
➔
The exhaust air from the venturi injector must be returned to the
crankcase and must not enter the engine room.
DANGER!
Explosion of the crankcase
Serious injury, including death
➔
Observe the permissible ambient temperature T
a
(during intended
use): +5°C ≤ T
a
≤ +70°C
DANGER!
Explosion of the crankcase
Serious injury, including death
➔
The oil mist detector with return of the crankcase atmosphere into
the crankcase is suitable for a crankcase pressure in the range of
±500 mmH2O under normal operating conditions.
DANGER!
Explosion of the crankcase
Serious injury, including death
➔
Typical gases of ignition protection category T4: T4 maximum
surface temperature must be ≤ 135°C.
DANGER!
Pumping action between zones/entrainment
Serious injury, including death
➔
The exhaust air pipe of the oil mist detector must always be connected to the crankcase
(closed circuit). The correct negative pressure in the measuring head should be
60 mmH2O.
DANGER!
Explosion of the crankcase
Serious injury, including death
➔
Only qualified personnel are allowed to assemble, install and start up the oil mist
detector. The qualified personnel must have knowledge of the type of protection,
instructions and regulations for the equipment in explosive atmospheres. Check
whether the classification (see type plate) is applicable for this application.