page 26 of 91 USB-QFLCII-14804/0
• Provide an adequate extinguishing agent.
• In hazardous areas, no tools can be used which may create
showers of sparks.
• If you work in the vicinity of the inlet isolation device, you should
expect dust deposits. Please provide adequate measures against
spreading of the hazards.
• If ground cables must be removed to perform maintenance work, the
cables must be properly reconnected after work has been completed.
• Dispose of waste or dirty filter elements in sturdy bags or in closed
containers.
• Do not make any changes without prior consultation with the
manufacturer.
• Use original manufacturer's spare parts only
• Ensure that supplies as well as replacement parts are disposed of safely in an
environmentally-friendly manner. Oils, cleaning agents and other polluting
substances are to be disposed of in compliance with local laws and regulations
NOTICE
If components wear out, the inlet isolation device should be replaced!
In the event that components wear out, the inlet isolation device should be replaced
by authorized, skilled personnel only. Otherwise, parts replacement should be
performed by authorized, skilled personnel only. Unless the inlet isolation device
is repaired/replaced by authorized professionals, we cannot guarantee its orderly
function.
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3.11 Monitoring function
To increase safety and enhance your monitoring capability, all Q-
FlapCompact II models have the closed-position sensor (formerly known as
the deposit sensor) to confirm the flap blade is closed properly. This sensor
also triggers an immediate shutdown of the fan, a requirement of NFPA 69.
Wear and tear may also cause impairment of function and may be a safety risk.
In order to monitor the inlet isolation device for wear and tear, we suggest
ordering the Q-FlapCompact II Plus, which includes the wear and tear sensor.
(see Section 4.2 Additional monitoring: Q-FlapCompact ll Plus).
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