Pressure Surges; Blockages In The Pump; Drainage; Risk Of Frost - Speck Normblock Multi Serie Traducción De Las Instrucciones Para El Manejo Originales

Safety
 For pumps with a three-phase motor and no motor
protection, install an overload switch and set it correctly.
 Do not exceed the permitted ambient temperature of 40 °C.
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2.9.5

Pressure surges

The pressure in the filter housing or pump housing (BADU Block)
must not exceed 2.5 bar or 3.0 bar for the Normblock. Otherwise
damage may occur to the acrylic glass lid or other pump parts.
 Install a non-return valve.
 The use of a frequency converter or a smooth start is
recommended in order to rule out pressure surges on the unit
side.
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2.9.6

Blockages in the pump

Pieces of dirt in the suction line can clog and block the pump.
 Do not operate the pump without a strainer basket.
 Check how easily the pump rotates before starting it up and
after longer idle or storage periods.
 Remove any impuritites from the suction line.
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2.9.7

Drainage

An insufficient drain gap can damage the motor.
 Do not block or seal the drain gap between the pump
housing and the motor.
 Never assemble the unit with the motor positioned
underneath.
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2.9.8

Risk of frost

 Drain the pump/unit and pipes at risk of freezing in plenty of
time.
During the frosty period, the pump should be disassembled

and stored in a dry room.
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2.9.9

Water temperature

The water temperature must not exceed 40 °C.
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14 EN 04/2016