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GRE AR-1500 Manual De Instalación Y Mantenimiento página 5

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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:
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).
5.3.1 To perform filter backwash, proceed as follows:
? 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.
? Turn the control gently until the front rib is aligned with the housing of the backwash operation.
? Connect the ø38 mm x 1.5 m hose using the 1 ½" 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. This can
be observed through the transparent viewing window on the side.
? Stop the filter.
? Place the valve in the rinsing position and connect the filter for a few seconds.
? Stop the filter, go to the required filter position and remove the hose from the waste position if required.
5.4 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. Before plugging in the filter, connect the
and point the other end of the hose towards a drain or sewer. Then, depending on the skimmer model, proceed as
follows:
THE HOSE SHOULD NOT CONTINUE SUCTIONING THE BOTTOM OF THE POOL LINER. THE PUMP MAY BE
SERIOUSLY DAMAGED IF IT OPERATES WITHOUT WATER CIRCULATION. THE LINER MAY ALSO BE
5.5 Cleaning the bottom of the pool
In order to clean the bottom of the pool, use the pump filter with one of the following accessories:
"Kidney-shaped" bottom cleaner/ AR-206, "Oval" bottom cleaner / AR-207 (you will also need a ø38 mm hose / AR-210
and the pole / AR-102). To purchase these items, consult your establishment or ask the After-Sales Service provided by
the pool manufacturer. Always use original replacement parts.
A hose which extends beyond the length required to reach all points of the pool is more difficult to use. Cut off the section
of the hose which is not needed. Check that the rubber terminals are sealed.
5.5.1 Priming the bottom cleaner hose:
Slowly insert the bottom cleaner into the pool vertically, with the pole and the hose connected. Let it fill with water and
keep the rest of the hose outside of the water. Continue to insert the hose in the water slowly in 50 cm sections which
should be submerged at the same time as they are completely filled with water. Proceed up until the end, when the entire
All manuals and user guides at all-guides.com
NEVER HANDLE THE VALVE
WHILE THE MOTOR IS RUNNING
Volume of the pool in m
3
Filter flow in m
/hr.
3
42 m
2 cycles of 4 hours with an intermediary
=7.63 hours
3
cycle of 2 hours rest
5.5 m
/h
DAMAGED BECAUSE OF SUCTION.
3
=hours required
ø38 mm x 1.5 m
5
m3
in comparison to
hose to the valve waste outlet

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