Owner manual
page 16 of 74
EN 61010-1 gives in detail the conditions under which the
equipment can be operated safely (see also IP degree of
protection, “Technical data”, pg. 21).
Operating conditions
➨ This device is not approved for operation in potentially
explosive atmospheres. Do not operate the device in
potentially explosive atmospheres.
➨ Controllers without the ”
`
” mark on the rating plate
are not approved for operation with dangerous or
explosive gases or with potentially explosive or
inammable substances. Do not operate the con-
troller with dangerous or explosive gases or with
potentially explosive or inammable substances.
➨ Controllers bearing the ”
`
” mark on their rating
plates are approved for operation with potentially
explosive atmospheres according to their classica-
tion II 3G IIC T3 X according to ATEX, but they are
not approved for operation in potentially explosive
atmospheres (see section “
`
Important information:
Equipment marking (ATEX)”, pg. 19).
• Ensure that the materials of the controller’s wetted
parts are compatible with the substances in the vacu-
um system, see section “Technical data”, pg. 21.
Safety during operation
➨ Adopt suitable measures to prevent the release of
dangerous, toxic, explosive, corrosive, noxious or pol-
luting uids, vapors and gases.
+ Never operate this controller if it has a damaged cord
or plug. If the controller is not working properly, has
been dropped or has fallen into water, contact your
service provider.