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VDL (E3.1) 06/2020
Page 92/206
9.4
Sweeping the area for electrical equipment and controller housing (trian-
gular instrument box)
To sweep the area for electrical equipment and controller housing, activate the customer's compressed
air or inert gas supply.
9.4.1
Sweeping before starting up the chamber
Before turning on the VDL it is mandatory to sweep the area for electrical equipment and controller hous-
ing with compressed air or inert gas for at maximum overpressure for at least 10 minutes.
•
Open the USB cover on the controller housing
•
Turn the pressure regulator until the end stop to the lock nuts (turn clockwise).
•
Recommended time for sweeping 15min. This flushes 5 times the volume of the electrical installation
area and controller housing
•
Close the USB cover on the controller housing.
•
Now the pressure regulator can be turned back (turn counterclockwise) until there is an overpressure
of at least 25 Pa (recommendation: 40 Pa).
9.4.2
Sweeping during chamber operation
Sweeping the area for electrical equipment and controller housing must take place with an overpressure
of at least 25 Pa (recommendation: 40 Pa) during the entire operation of the vacuum drying oven. Also
after termination or cancellation of the drying process continued sweeping for at least 10 minutes is rec-
ommended.
DANGER
Explosion hazard by solvent-containing air penetrating and concentration in the
electrical area of the chamber.
Serious injury or death from burns and / or explosion pressure.
Before turning on the chamber sweep the area for electrical equipment and controller
housing with compressed air or inert gas at maximum overpressure for at least 10
minutes.
Make sure that sweeping the area for electrical equipment and controller housing with
an overpressure of at least 25 Pa (recommendation: 40 Pa) takes place during the en-
tire operation.
9.5
Condition after establishing the power connection
Only trained personnel with key-authorization may work on the VDL vacuum drying oven.
Prior to establishing the power connection, the following points must certainly be met:
•
Installation of the chamber (chap. 6) performed in compliance with the installation guidelines and am-
bient conditions (chap. 5)
•
Vacuum supply connected (chap. 6.5)
•
If required: Inert gas connection established (chap. 6.6)
•
Equipotential bonding established (Chap. 6.8)
Содержание vdl 115
Страница 192: ...VDL E3 1 06 2020 Page 192 206 28 6 Dimensions 28 6 1 VDL 23 Dimensions in mm ...
Страница 193: ...VDL E3 1 06 2020 Page 193 206 28 6 2 VDL 56 Dimensions in mm ...
Страница 194: ...VDL E3 1 06 2020 Page 194 206 28 6 3 VDL 115 Dimensions in mm ...
Страница 197: ...VDL E3 1 06 2020 Page 197 206 30 Certificates and declarations of conformity 30 1 EU Declaration of Conformity ...
Страница 198: ...VDL E3 1 06 2020 Page 198 206 ...
Страница 199: ...VDL E3 1 06 2020 Page 199 206 ...
Страница 200: ...VDL E3 1 06 2020 Page 200 206 31 Product registration ...
Страница 207: ......