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Maintenance
Page 32
DANGER
•
The UVC lamp must be replaced before it exceeds its maximum life time. If it is not,
reliable operation of the UV disinfection system is no longer ensured.
•
Switch off at the mains before commencing any maintenance work.
•
Depressurise the radiation chamber before commencing any maintenance work.
•
UVC radiation is damaging to the eyes and skin.
The lamp must be installed before it can be commissioned.
The UV disinfection system must be installed as instructed before the lamp can be
commissioned.
•
If the fan filter mats or the air exit filter become clogged, the control cabinet may
overheat and be destroyed.
7.1
Replacing the Lamp
DANGER
UV lamps should be replaced if
•
the sensor signal approaches the safety threshold and possible causes, e.g. a coating
has formed on the protection tube or the UV transmission has deteriorated considerably,
have been ruled out.
•
their operating life approaches or exceeds the maximum life time.
•
Switch off at the mains before installing and connecting the lamp.
•
UVC radiation is damaging to the eyes and skin.
The lamp must be installed before it can be commissioned.
The UV disinfection system must be installed as instructed before the lamp can be
commissioned.
•
Do not make any unauthorized changes to the lamp connection cable already installed.
IMPORTANT
Do not touch the glass of the lamp with your bare hands. Fingerprints become etched in
the glass and may lead to premature failure. Remove any fingerprints prior to installation
using a cloth that has been soaked in alcohol.
NOTE
Clean the protective tube each time the lamp is changed.
Press the START/STOP key to switch off the UV disinfection system.
Switch off at the mains and unplug the system.
Close the stop valves before and after the radiation chamber.
Pull the wiper motor safety shield apart at the split carefully and remove it.
Loosen and remove the screws on the motor side of the lamp cover.
Remove the lamp cover carefully until the connection terminal is exposed. If necessary, hold
the spacer (glass tube) with one hand.
Loosen the lamp cable on the connection terminal and remove the lamp cover with the lamp
connection cable.
Remove the spacer.
Loosen and remove the screws on the lid side of the lamp cover.
Remove the lamp cover carefully until the connection terminal is exposed. If necessary, hold
the spacer (glass tube) with one hand.
Loosen the lamp cable on the connection terminal and remove the lamp cover with the lamp
connection cable.
Remove the spacer.
Remove the lamp.
®
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