11
❸ Use
3.1 I Prepare the pool
•
For opti mal operati on, the pool water must comply with the following conditi ons:
Water temperature
Between 15°C and 35°C
pH
Between 6.8 and 7.6
Chlorine
< 3 mg/ l
•
Stop the fi lter pump.
•
Clean the skimmer basket, the fi lter pump pre-fi lter and the fi lter where necessary.
•
Start the fi lter pump.
•
Start the booster pump. Bleed the water circuit for 2-3 minutes.
•
Stop the fi lter pump and booster pump.
•
Place the hose beside the pool in the sun for 2-3 minutes to unwind it. This will reduce tangling of the hose during
cleaning.
•
When the pool is dirty, especially when fi rst installing the cleaner, remove the largest debris using a manual brush
and a net.
•
Remove any thermometers, toys and other objects that might damage the appliance.
Tip : Preserve the cleaner
Aft er cleaning or backwashing, let the fi ltrati on system run for at least fi ve minutes before connecti ng the
cleaner.
3.2 I Checking the rotati onal speed of the wheel
• Do not place your hair, loose clothing, jewellery etc. in the vicinity of the open end of the hose.
• Do not handle the cleaner while it is operati ng (except when checking the wheel RPM).
•
Before starting the cleaner, check the rotational speed of the wheel (rpm). For maximum efficiency, the cleaner must
rotate and a speed of:
-
between 28 and 32 rpm
(P280-P380).
-
between 32 and 34 rpm
(P3900 Sport).
•
Place the cleaner on its side (2 wheels in contact with the ground) and make a marking on the wheel ( )
.
•
Install the quick disconnect on the sucti on port.
•
Turn on the filter pump and leave it to prime.
• Turn on the booster pump.
•
Immerse the cleaner and count the number of rotations completed in 1 minute ( )
.
1 minute
Number of rpm
P280-P380 P3900 Sport
< 28
< 32
28 < 32
32 < 34
> 32
> 34
Insuffi cient water fl ow
rate
Correct water fl ow
rate
Water fl ow rate too
high