VDL (E3.1) 06/2020
Page 47/206
3.5.1
Area classification inside the chamber
Figure 7: Area classification of the closed chamber
(view without housing, insulation, heater and outer chamber)
(A)
Controller housing (swept with compressed air)
(D)
Electrical installation area (swept with compressed air)
(H)
Inner chamber (usable volume)
(7)
Plug “Manual ventilation” for emergency ventilation
(4)
Universal connection for inert gas / ambient air “GAS/AIR”
(5)
Additional universal connection for inert gas / ambient air “GAS/AIR 2” (option)
(6)
Vacuum connection
(12) Measuring connection
Occurrence of an explosive atmosphere:
occasionally: Inner chamber with tubing / line to the vacuum pump, and connections
(A)
(D)
(5)
(4)
(7)
(6)
(H)
(12)
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Страница 192: ...VDL E3 1 06 2020 Page 192 206 28 6 Dimensions 28 6 1 VDL 23 Dimensions in mm ...
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Страница 197: ...VDL E3 1 06 2020 Page 197 206 30 Certificates and declarations of conformity 30 1 EU Declaration of Conformity ...
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