9.4 Replacing the lamp
WARNING!
Live parts!
Possible consequence: Fatal or very serious inju‐
ries
– Measure: Disconnect the device from the
power supply before opening it
– Disconnect damaged, defective devices or
devices that have been tampered with from the
power supply
WARNING!
UV-C radiation
Possible consequence: Serious injuries.
UV-C radiation is harmful to the eyes and skin
– Only start up the UV lamp
UV-C
when it is prop‐
erly installed
– Install the UV lamp into the UV system in
accordance with the regulations prior to com‐
missioning
WARNING!
Insufficient treatment efficiency
Possible consequence: Illness
Please read the Technical Data Sheet enclosed
with the respective UV system!
– Re[;ace the UV lamps with new lamps at the
very latest when:
– The UV sensor signal approaches the
safety threshold without this being due to
other causes, such as the formation of a
coating on the UV lamp protection tubes or
a serious deterioration of the UV-transmis‐
sion;
– The operating life of the UV lamp is
approaching the maximum service life of
the lamp or has exceeded it.
CAUTION!
Fingerprints on the UV lamp
Possible consequence: Premature failure of the
UV lamp
– Only touch the glass of the UV lamp with
cotton gloves
– Fingerprints or impurities burn into the glass
and can result in premature failure
– For this reason always clean the lamp thor‐
oughly with a cloth moistened with alcohol
before installing it
– Then wipe the UV lamp with a soft, dry cloth
– Also thoroughly clean the glass of the UV lamp
return cable
Maintenance
90
