11
Care and maintenance
1. Close the shut off valve(s)
of the gas supply system and
allow the gas flame to burn out.
2. Move the operating
switch to the "0"
(off) position.
3. If the units are
inactive for longer
periods, disconnect
them from the mains
power supply.
Shutdown
In accordance with the operating
conditions, the units must be
checked as and when required,
but at least every
two years
, by
a specialist to ensure that they
are in a condition that is safe
to use.
The results of this test must be
recorded in a test certificate.
The test certificate must be stored
until the next test and presented
for inspection by authorised
persons on request.
■
Keep the units free of dust and
other deposits
■
Only clean the units with a dry
or moistened cloth
■
Never use direct jets of water.
such as high-pressure cleaners
etc.
■
Never use abrasive or solvent-
based cleaners
■
Use only suitable cleaners, even
for heavy contamination
■
Check the inlet and outlet grille
for contamination on a regular
basis
■
Check hoses and seals for
damage on a regular basis
■
Replace damaged hoses, seals,
etc. immediately
■
Clean the gas burner, gas
nozzle and the combustion air
openings regularly
■
Check ignition and ionisation
electrodes regularly and adjust
and clean if necessary
NOTE
Regular care and maintenance,
at the latest after every
heating period, is the basic
requirement for a long service
life and malfunction-free
operation of the units.
NOTE
Adjustment and maintenance
work may only be carried out
by authorised and qualified
technicians.
CAUTION
Before undertaking any work
on the unit, the gas supply
must be shut off and the power
plug must be removed from
the mains socket.
CAUTION
An electrical safety check must
be carried out in accordance
with VDE 0701 after any work
on the units.
NOTE
Replace defective or damaged
parts immediately and
exclusively with original spare
parts.
