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Maintenance
IMPORTANT!
With the system shut down, plug the connector together with the lamp cover onto the lamp
before inserting the lamp in the protective tube.
➤ Insert the lamp in the protective tube and leave protruding by approx. 100 mm
➤ Connect plug together with lamp cover to the lamp
➤ Completely insert the lamp in the protective tube.
➤ Place the lamp cover on the retaining fixture for the protective tube and fit the mounting
screws using the Allen key provided and firmly tighten.
➤ Connect the circular plug with the lamp connection cable to the socket on the lamp cover and
secure with the knurled nut.
➤ Switch on the master switch or connect the power plug
➤ Switch off the UV disinfection system with the START/STOP key;
➤ Slowly open the shut-off valve upstream of radiation chamber
➤ Open the shut-off valve downstream of the radiation chamber (required only for manual
shut-off valve)
WARNING!
After changing a UV lamp, check the safety and warning threshold and readjust if
necessary!
Adequate disinfection is ensured only when the safety threshold is set correctly.
Reset lamp operating hours ➤ With the system switched off press the CHANGE key to display the lamp operating hours
and switching operations and switching operations
➤ Confirm by pressing the ENTER key – “Enable Code Query” appears in the display
➤ Enter the enable code and confirm by pressing the ENTER key – “Reset” appears in the
display
➤ Confirm by pressing the ENTER key – the display is now reset
7.5 Calibrating UV-C Sensor
The UV-C sensor is calibrated at the factory and does not need recalibration.
IMPORTANT!
• Observe the supplementary instructions for special applications, in which the sensor
signal is displayed in %.
• All new UV lamps require a burn-in period of 100 to 200 hours. Therefore, check the
safety threshold and the warning threshold approximately 200 operating hours after
replacing the UV lamps.
7.6 Replacing Filter Mats
Replacing the filter mats of the fan and air outlet filter
WARNING!
Soiled filter mats of the fan and of the air outlet filter can cause overheating and irreparable
damage to the control cabinet.
The filter mats of the fan and of the air outlet filter should be replaced at least once per year.
The filter mats should be replaced at shorter intervals under unfavourable ambient conditions.
➤ Switch off UV system with the START/STOP key
➤ Switch off master switch
➤ Remove fan cover. For this purpose, grab the cover with the fingers in the bottom grip
recesses and pull off the cover.
➤ Remove soiled filter mat and fit new filter mat with the white side facing inward (control
cabinet side).
➤ Replace filter mat of the air outlet filter as described above.
➤ Switch on master switch
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