Subject to change.
Roto NT
IMO_347_EN_v0
.
July 2014
.
95
Protection against corrosion
Specialist
company
End-users
Aggressive vapours (e.g. by means of formic
acid or acetic acid, ammonia, amine or
ammonia compounds, aldehydes, phenols,
chlorine, tannic acid etc.) in the vicinity of
the
windows must be absolutely avoided.
–
Never use acetic-acid or crosslinked acidic
sealing compounds or those with the above
mentioned contents, since both the direct
contact with the sealing compound and its
vaporisation can attack the hardware’s
surface .
–
Only electrogalvanised zinc plated and
passivated screws may be used for fixing
the
hardware components.
–
Do not use any stainless-steel screws!
–
= To be carried out only by a specialist company
–
=
Not
to be carried out by the end-user; the end-user may not carry out installation work!
= To be carried out either by a specialist company or by the end-user.
Protection against dirt
Specialist
company
End-users
Remove deposits and dirt from building
materials (building dust, plaster, cement,
etc.) or similar materials with water before
it
cures.
Keep the hardware free from deposits and
soiling.
Never use aggressive, acidiferous cleaners
or
abrasive cleaning agents.
Only use mild, pH-neutral cleaning agents in
diluted form.
Only use a soft, lint-free cloth for cleaning.
= To be carried out only by a specialist company
–
=
Not
to be carried out by the end-user; the end-user may not carry out installation work!
= To be carried out either by a specialist company or by the end-user.
Maintenance
Preservation of the surface finish
Summary of Contents for NT Designo
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