5
If the power cable becomes damaged, IT MUST BE REPLACED, DO NOT REPAIR.
Return the pump to your Clarke dealer, or contact Clarke Service Department on:
020 8988 7400
IMPORTANT:
If you are in any doubt regarding electrical installation, you should consult a
qualified electrician. DO NOT attempt any electrical repairs yourself.
PUMP FEATURES
The pump is of rugged and durable construction, designed for long lasting
continuous operation and its’ stainless steel body provides good anticorrosive
properties. The motor is provided with built in overload protection.
For your information, the chart on page 9 shows the flow rate for the pump at
various heads. (HEAD is the distance, or height, from the surface of the water to
the point of discharge)
The pump is designed to pump water containing solids in suspension with a
maximum diameter of 50mm .
It is NOT designed for permanent installation in fish ponds or any water containing
chemicals or other acidic contaminants including salt water.
Whenever the pump is used to pump contaminated water, e.g. to drain septic
tanks, fish ponds etc., you must ALWAYS immerse the pump in clean water and run
it for a few minutes on completion to ensure it is completely cleansed of all
contaminants.
The maximum depth to which the pump should be submerged is 10 metres and it
will deliver water to a max. head of 11.8 metres
The pump is fitted with a Float Switch and is suitable for permanent or semi-
permanent installations, e.g. installations where it is necessary to maintain a water
at a particular level.
As the water level rises, so will the float. At a certain point the switch will operate
and start the pump. As the water level falls, so will the float until the switch operates
again and stops the pump.
Float switches are adjusted at the factory to provide the correct ON-OFF switching
mode, however, you can adjust the level at which the pump cuts in and out by
sliding the float switch cable through the clip attached to the main body. Shorten
or lengthen it as the case may be. The shorter it is, the earlier the pump will cut out,
and the water therefore will be deeper at this point. Similarly, it will cut in earlier
and the water will therefore be shallower when it does so.
It should not normally be necessary to change the length of cable (from the clamp
to the float switch), but should you do so, remember that the cable length should
NEVER be so long that the float switch fails to operate and switch the pump OFF.
ALWAYS check its operation before use.
Similarly, the cable length must not be so long so as to allow the water level to
drop below the level of the outlet pipe.
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