10
Maintenance
10.1
General
General safety notes
DANGER!
Danger of electric shock! Do not touch any live com-
ponents! Electrical equipment carries a dangerous
electrical voltage.
– Only skilled qualified electricians are allowed to
work on the electrical system.
– Switch off the power supply before working on
any electrical equipment.
CAUTION!
Danger due to inadvertently actuating the fire
damper. Inadvertent actuation of the damper blade
or other parts can lead to injuries.
Make sure that the damper blade cannot be
released inadvertently.
Regular care and maintenance ensure operational read-
iness, functional reliability, and long service life of the
fire damper.
The owner or operator of the system is responsible for
the maintenance of the fire damper. The operator is
responsible for creating a maintenance plan, for defining
the maintenance objectives, and for the functional relia-
bility of the fire damper.
Functional test
The functional reliability of the fire damper must be
tested at least every six months; this has to be arranged
by the owner or operator. If two consecutive tests, one
6 months after the other, are successful, the next test
can be conducted one year later.
The functional test must be carried out in compliance
with the basic maintenance principles of the following
standards:
EN 13306
DIN 31051
EN 15423
The function of fire dampers with a spring return
actuator can also be tested with an automatic control
unit
Ä
‘Functional test with automatic control unit’
on page 54.
Maintenance
The fire damper and the spring return actuator are
maintenance-free with regard to wear but fire dampers
must still be included in the regular cleaning of the venti-
lation system.
Cleaning
The fire damper may be cleaned with a dry or damp
cloth. Sticky dirt or contamination may be removed with
a commercial, non-aggressive cleaning agent. Do not
use abrasive cleaners or tools (e.g. brushes).
Inspection
The fire damper must be inspected before commis-
sioning. After commissioning, the function has to be
tested in regular intervals. Local requirements and
building regulations must be complied with. The inspec-
tion measures to be taken are listed under
Ä
on page 59. The test of each fire damper must be
documented and evaluated. If the requirements are not
fully met, suitable remedial action must be taken.
Repair
For safety reasons, repair work must only be carried out
by expert qualified personnel or the manufacturer. Only
original replacement parts are to be used. A functional
test
Ä
52 is required after any repair work.
10.2
Lubricating points
Lubricating points
Fig. 48: Lubricating points
①
Push rod bearings
②
Damper blade bearings (both sides)
Only lubricate the lubricating points if the damper blade
cannot be opened or closed easily. Use only oil or
grease that is free of resins or acids.
Maintenance
Lubricating points
Fire damper Type FKRS-EU 57
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