Filter
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TO BACKWASH THE FILTER.
It is a good idea to top the pool up by a couple of inches, as you will be loosing some to
backwash/rinse.
IF A ‘ROLL-OUT’ BACKWASH HOSE HAS BEEN SUPPLIED ENSURE IT IS ROLLED
OUT!
NEVER MOVE THE MULTIPORT VALVE WHEN THE PUMP IS ON
First switch heater off and allow to cool for 1 - 2 minutes.
With the filter pump switched off-
Depress the black multiport valve handle and turn to ‘Backwash’ position.
Switch the filter pump on and allow to run for 3 minutes or until the water runs clear.
Switch the pump off, depress the multiport valve handle and turn to ‘Rinse’ position.
Switch the pump on and allow to run for 15 - 20 seconds.
Switch the pump off, depress the multiport valve handle and return to ‘Filter’ position.
BACKWASH
CLOSED
RECIRCULATE
RINSE
WASTE
FILTER
Closed- Used for
winter closedown and
to stop back flow of
water from the filter if
required.
Rinse- Used after
every backwash to settle
the sand bed down and
clear the pipes of any
sediment.
Recirc- Circulates the
water and bypasses the
filter. Useful for checking
the pressure drop through
the sand.
Backwash- Reverses
the flow of water through
the sand thereby cleaning
it, water goes to waste.
Waste- Water bypasses
the filter and is pumped direct
to waste. Used for vacuuming
a very dirty pool, after the
pool has been ‘flocced’ or for
lowering the pool water level.
Filter- Water is
pumped through the
sand, filtered and
returned to the pool.
SIX POSITIONS OF A MULTIPORT VALVE (MPV)
REMEMBER!
Always backwash
your filter at least once a
week, regardless if it is
clean or dirty. It will remove
unnecessary chemical
residue and maintain a
healthy water balance.
14
CAUTION
Always ensure
filter pump is switched off
when moving the multiport
valve handle. Always ensure
filter pump is switched and
valved off and return inlet is
plugged before
working on multiport
valve.