Commissioning; Pump Priming - Kripsol KA Serie Manual De Instrucciones

All pipe systems containing water must be equipped with valves to prevent flooding during pump
maintenance.
Never use a pipe with a diameter of less than ø90 (ø3").
User larger pipes whenever needed to maintain the water speed below 1.2 m/s (4 feet per second).
The intake pipe must be one continuous run from its starting point to the pump. In order to prevent
air pockets, the intake pipe must never be positioned higher than the water level or the level of
the pump. Whenever reducers are required to connect the pump, we recommend the use of
concentric reducers.
DISCHARGE
In order to reduce load losses, we recommend the use of pipes of a larger diameter than the pump
discharge and the use of as few connection elements as possible. Connection elements that may
cause air pockets should not be used under any circumstances.
The diameter of the pipes used must be such that it ensures that the water speed remains below
2 m/s (7 feet per second).

7. COMMISSIONING

Before turning on the mains power to the pump unit, ensure that the electrical conditions are
correct and manually check that the pump has not seized.

7.1 PUMP PRIMING

Ensure that there is no pressure in the filter, pump or pipe system.
Never run the pump when dry. The water acts as a coolant for the mechanical seal. If the
pump is operated when dry, the mechanical seal may be damaged, causing leaks, flooding and
rendering the guarantee null and void.
●
Re-filter to close the manual air output valve when the water flow is constant (there is no air)
on the valve discharge. Failure to carry out this task may result in injury.
●
If the water level is above the level of the pump, ensure the cover is hermetically sealed and fill the
pump by slowly opening the stop valve on the intake whilst keeping the discharge valve open.
●
If the water level is below the level of the pump, remove the pre-filter cover and fill with
water up to the intake point. Replace the cover,ensuring it is sealed correctly.
●
Check that there are no leaks on the pump or the filter. If there are signs of leaks,
DO NOT START THE PUMP.
●
Ensure that the motor turns freely. Never start the pump if the motor is blocked. The
motors have a ridge at the end of the shaft in the fan area that allows users to manually
check the motor rotation using a screwdriver.
●
Start the motor for a few seconds, no more than 3, and check that the rotation direction
matches the direction of the arrow shown on the fan cover. If this is not the case, advise
an authorised service technician. To change the rotation direction on three-phase
motors, swap the position of two of the motor's power supply cables.
●
Check that the motor does not exceed the consumption level indicated on the motor rating
plate. If it does, adjust using the valve located on the pump discharge.
(FIGURE 1).
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