Vello BLOCKS Series, Руководство пользователя, Страница: 25 / 44

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6. user instructions
6.3 Opening and closing the hinged window
• Open the lid by pulling the lips on the bottom of
the window.
• Make sure that the lids are always closed fully
by pressing on the points where the lips are
positioned. Press them firmly until a clear ‘‘CLICK’’
is noticed.
• When the box is executed with hinged windows
with a screwed closure, the screws must be
tightened hand-tight to secure the sealing.
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6.4 Controlling protection devices
• Call for a qualified electro technician in case of
malfunction or failure.
• Earth leakage and short circuit protection devices
are safety components in the first place. Using
them as a switch frequently wil affect the lifespan
of these components.
• If a circuit breaker detecs faults and switches
frequently, always check the circuit behind this
component for any faults.
• If the earth leakage protection switches off, then
the source of the leakage has to be found and
repaired before switching the device back in.
• Fuses have to be maintained and replaced (if
necessary) by a qualified electro technician.
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