8
Care and maintenance
8.1 General
Regular care and observation of some basic points
will ensure trouble-free operation and a long
service life.
DANGER!
Before undertaking any work on the units, the
mains plug must be removed from the mains
socket.
NOTICE!
Adjustment and maintenance work may only be
carried out by authorised qualified technicians.
n
Observe the regular care and maintenance
intervals
n
In accordance with the operating conditions,
the units must, if necessary, be checked at
least yearly by a specialist to ensure that they
are in a condition that is safe to use
n
Keep the units free of dust and other debris
n
Only clean the units with a dry or moistened
cloth
n
Never subject to direct jets of water.
such as
high-pressure cleaners etc.
n
Never use abrasive or solvent-based cleaners
n
Even with heavy contamination, use only suit-
able cleaners
n
Check the inlet and outlet grille for contamina-
tion on a regular basis
n
Check the units for mechanical damage and
have defective parts properly replaced
n
Check that the safety devices and the protec-
tive devices are operating correctly at regular
intervals
n
Keep the probe for the safety devices free of
dust and dirt
n
Be careful not to damage the temperature limit-
er’s probe or capillary tube when removing or
mounting the protective outlet grille
n
Observe maintenance and care intervals
WARNING!
An electrical safety check must be carried out in
accordance with VDE 0701 after any work on
the units.
NOTICE!
Replace defective or damaged parts immedi-
ately and only with original spare parts.
Testing
The strapping plug enclosed with the unit is for
maintenance or testing purposes according to VDE
0701. To test, perform the following steps:
1.
Connect the strapping plug supplied [2] to the
thermostat socket [1] on the unit
2
1
2.
Perform the test on the unit
3.
Remove the strapping plug again
13
Summary of Contents for ELT 40
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