page 40 of 91 USB-QFLCII-14804/0
WARNING
If the wear and tear sensor signals, the inlet isolation device must be
inspected for wear and tear. The flap blade, wear and tear sensor and all
other worn parts must be replaced or the entire inlet isolation device
should be replaced, depending on condition. Repairs or replacement
should only be completed by authorized professionals
If the flap blade is not replaced by authorized professionals, we cannot
guarantee the orderly operation of the inlet isolation device.
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4.4.4 Optional level sensor requirements
The monitoring panel must be designed such that a level sensor malfunction
message is displayed at the monitoring panel as soon as the level sensor
signals a deposit accumulation. The system can continue operation until the
next scheduled shutdown and an emergency shutdown is not necessary.
When the system is shut down after a malfunction is indicated, the monitoring
panel must be configured such that the system cannot be started-up again until
the reason for the signal is investigated and cleared for start-up.
WARNING
If the level sensor signals a deposit accumulation, the entire inlet
isolation device must be inspected for material accumulations!
Orderly functioning
of the inlet isolation device cannot be guaranteed unless
it has been inspected for deposits.
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