10
1Visual inspection of housing and cover to ensure they are
not damaged. Cover can only be inserted in one position (lok-
king arms / twist protection recesses have different width).
Move the cover to the appropriate position.
2Fasten the cover with the narrower locking arm (without a
headless screw), close the cover and…
3Use the pliers to lock the cover
CLOSE THE JUNCTION BOX CHECK AFTER INSTALLATION
ATTENTION
After completing the installation, the following steps must
be taken:
• Visual inspection of the junction boxes for possible me-
chanical damage.
• Damaged junction boxes must not be put into operation
and must be replaced.
• Check the cover of the plenum box and its attachments
(cable entries) for tight fit.
• All threaded openings must be fitted with cable entries
or blind plugs, which must be firmly tightened and tight.
OPERATION & MAINTENANCE
DANGER
• The junction boxes may only be opened (this also in-
cludes loosening cable entries!) in a de-energised state.
disconnected from the power supply.
• Damaged junction boxes must not be put into opera-
tion.
ATTENTION
When operating the junction boxes, the permissible ambi-
ent temperature must be observed.
• The locally applicable safety regulations must be obser-
ved.
• The permissible operating conditions according to
„Technical data“ or labelling (voltage, current, operating
temperature, maximum ambient temperature, IP protec-
tion class) must be observed.
• It is recommended to visually check the integrity and
tight fit of the cable gland and the connected cable at
suitable intervals depending on the installation location
and application.
• If necessary, the cable entries must be retightened, da-
maged junction boxes or cable entries must be replaced
by qualified personnel.
• If repair work is to be carried out on heated system parts,
the junction boxes must be protected against damage.
• After completion of the repair work, the plenum box
must be checked again.
