Kin Multirain Jet User Manual page 8

4. Recommendations
To ensure the proper operation of the pump, it is important to comply
with the following recommendations:
The pump should not operate with the delivery tap completely closed
(except for electronically controlled pumps)
• The pump must never be allowed to run dry.
• The suction line should be as short as possible.
• The diameter of the suction and delivery hoses must not be less
than the relative inlet or outlet (25 mm) of the pump. A hose with
a greater diameter should ideally be fitted to the suction inlet
when the suction height exceeds 4 meters. Do not use metal
connectors on the pump's threads.
• Connect the suction hose including a foot valve avoiding
counterslopes, traps, goosenecks and kinks in the hose.
• Place the pump in a level, stable and dry place, and away from
inflammable or explosive substances. Never expose the pump to
the rain of direct jets of water.
• Make sure that the mains power connections are not subjectable
to flooding, avoid that the pump is exposed to directs jets of water
and do not immerse the pump in water.
• When using a membrane tank: check whether the pre-pressure of
the membrane tank corresponds to the pressure required for your
application. This information can normally be found in the
membrane boiler manual. Take into account that the membrane
boiler must withstand the maximum system pressure (inlet
pressure + maximum pump pressure). Check the pre-pressure at
least 3 times a year.
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Self Priming Jet Pumps
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8