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The filter may become unprimed for several reasons:
• Starting up a new unit.
• Starting up a unit after an extended period of inactivity.
• Following use of a suction bottom cleaner.
• Air absorbed by the skimmer due to the low level of water in the pool.
• Due to incorrect use of the unit, suction cover or skimmer plug.
When is the filter unprimed?
The filter is unprimed when:
• The water entering the filter sounds like it is falling freely. This fact indicates that an air chamber has been created
between the water inlet and the silica sand.
• An excess of air bubbles are released through the feedback nozzle.
How can we prime the filter?
• Verify that the suction hose is connected to the skimmer and the passage is clear (the plug is not in place).
• Disconnect the filter from the power point.
• With the valve on the filtration setting, slightly loosen the drain nut which is next to the pressure gauge so that the air
which has built up inside the filter will be released. If the drain T has not been set in place, the selector valve can be
placed in the drain position (waste), until water without bubbles is released through the drain outlet (waste).
• When you see that only water is released (for 1 to 2 minutes), retighten the nut.
• Connect the filter to the power point and check that the sound of falling water is no longer heard. Otherwise, repeat
the operation.
5.2 Filtration
Before the first filtration operation, perform a backwash of the sand. (Section 5.3)
The valve must be on the filtration setting. The service life of the filter will be longer if the periods of continuous operation
do not exceed 4 hours. The need for daily filtration is determined by the volume of water in the pool in
3
the m
/h filter flow rate for a water temperature of around 21ºC and placed at 3.5 m. from the pool. Leave the motor at off
for at least 2 h. between each 4 h period of operation.
Example: SAMOA 400
In the initial filtration treatment it is important to leave the filter off for the time indicated. It is recommended to increase
the filtration time the higher the water temperature of the pool.
5.3 Filter wasehd sand
The backwash process cleans the silica sand from inside the filter. This process should be done regularly. For this
purpose you should observe several factors which indicate the dirtiness of the sand:
• Decrease in the flow rate of feedback is detected, after checking that the pump is well primed.
• Pressure gauge indicates that there is excess pressure (needle pointing between yellow and red, or on red).
To perform filter backwash, proceed as follow:
• Disconnect the filter from the power outlet. Never move the selector valve when the motor is running.
• Press firmly on the upper valve control until the front rib is released from the housing and can turn on its own axis
Fig 11.
• Turn the control gently until the front rib is aligned with the housing of the backwash operation Fig 11.
• Connect the ø38 mm x 1.5 m hose sleeve to the valve waste outlet and point the other end of the hose to a drain or
sewer.
• Start up the filter and operate for approximately 2 min., until impurities are no longer released to the water.
• Stop the filter.
• Place the valve in the rinsing position and connect the filter for a few seconds Fig 11.
• Stop the filter, go to the required filter position and remove the hose from the waste position if required Fig 11.
Draining the swimming pool
The filter allows you to drain the pool almost completely after the bathing season has ended. To do so, place the upper
selector valve on the waste setting Fig 11. Before plugging in the filter, connect the
waste outlet and point the other end of the hose towards a drain or sewer. Then, depending on the skimmer model,
proceed as follows:
• Remove the inner basket from the skimmer and cover the suction inlet with the plug supplied for this purpose.
NEVER HANDLE THE VALVE
WHILE THE MOTOR IS RUNNING
Volume of the pool in m
3
Filter flow in m
3
45 m
=7.5 hours
3
6 m
/h
3
=hours required
/hr.
2 cycles of 4 hours with an intermediary
cycle of 2 hours rest
10
m3
in comparison to
hose to the valve
ø38 mm x 1.5 m
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