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VDL (E3.1) 10/2020 Page 27/196
Personnel Requirements
Only trained personnel with knowledge of explosion protection and knowledge of the Operating Manual can
set up and install the chamber, start it up, operate, clean, and take it out of operation. Service and repairs
call for further technical requirements (e.g. electrical know-how), as well as knowledge of the service man-
ual. Follow the requirements for PPE (ESD protection).
Installation site requirements
The chambers are designed for setting up inside a building (indoor use).
Provide active extraction (technical ventilation according to country-specific regulations – TRBS 2152 Part
2 for Germany) on the installation site. It must cover the entire installation area of the VDL and the vacuum
pump stand. Observe the area classification in the surroundings of the chamber (chap. 3.5.3). Suction must
be active during the entire operation of the chamber and when handling the condensate catchpot of the
pump. Suction must be conducted into an explosion-proof area.
Provide compressed air supply on the installation site. There must be at least 1.5 bar overpressure in the
supply line. The operator's compressed air supply line must be equipped with active monitoring of the min-
imum supply pressure (1.5 bar), which shall clearly indicate any drop in pressure below the minimum pres-
sure.
If the technical ventilation fails, automatically switch off power to the device.
VDL vacuum drying chambers are not intended for installation in a Zone 0 or 1. Measures must be taken
to prevent the spread of explosive atmospheres to unprotected areas. It must be possible to turn off the
device immediately in the event of a fault: Pull the power plug or operate e.g. a customer's explosion-
protected emergency stop switch.
The requirements described in the Operating Manual for installation site and ambient conditions (Chap. 5)
must be met.
In case of foreseeable use of the chamber there is no risk for the user through the integration of the chamber
into systems or by special environmental or operating conditions in the sense of EN 61010-1:2010. For this,
the intended use of the chamber and all its connections must be observed.
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