Manual Wellis Sand Filter (page 9 of 76) (English, German, French)

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7. Connecting the appliance to the pool – see FIG. 7.1. and 7.2.

Use suitable pool hoses and hose clamps to connect the appliance to the pool.

Product operation

1. Pump Watering/venting

Remove the lid off the “ODPAD/WASTE” port (FIG. 8.1), turn the lever of the valve to the VENTING position

and wait until water starts pouring out of the port (FIG. 8.2). Afterwards, switch the valve lever to the CLOSED

position and screw the lid back on. Finally, switch the lever to the FILTERING position. You can now run the

filtering.

Prior to the first use or after a sand filling replacement, you first need to rinse the sand.

2. Start-up

Use the switch at the rear of the filtering equipment to activate the device.

ON – FIG. 9.1

OFF – FIG. 9.2

Prior to plugging the appliance into the mains, check the valve position!

Never turn the appliance on if the six-way valve is in the CLOSED position or if the

circulation pipeline is impassable.

2.A Azuro equipment with the “T” marking features an adjustable timer (FIG. 9.3):

Use the moving switch to select the required functionality. The timer can be set by 20-minute steps in a 24-

hour cycle. One step corresponds to 20 minutes, which makes 3 steps equal to 1 hour. The LED indicator indicates

the device is running.

3. Operation

Set the valve to the FILTERING position and turn the appliance on. Regularly check the filtering flow-through

(pressure on the pressure gauge) and rinse the sand based on the measured values.

It is advisable to set a filtering schedule corresponding to the size and usage of the pool. Proper filtering is

contingent upon having the water filtered at least once a day. Therefore, the minimum operation time of the

filtering equipment is the volume of the pool divided by the flow-through of the filtering equipment.

Example: When using AZURO 2m3/hr to filter a 10m3 pool, the minimum time would be 5 hours.

4. Prefilter Cleaning

If the prefilter is visibly dirty or the functionality of the filtering equipment is diminished, clean the prefilter

with a stream of water (FIG. 10.1). AZURO 6m³/h + Timer (FIG. 10.2).

5. Backwash Sand

It is possible to tell by the vessel pressure when it’s necessary to rinse the filtering medium. After the first

running with clean filtering sand, make note of the pressure value; if the pressure later rises by more than one

unit on the scale, you need to BACKWASH (2–3 minutes) + RINSE (about 30 seconds) – see “Valve Positions”. If

filtering is performed every day, it is recommended to rinse the sand at least once per week.

For the filtering functions such as BACKWASH, RINSE and WASTE, you can use the waste set – screw the arbour

(or an elbow with the waste hose arbour) directly onto the “ODPAD/WASTE” port instead of a cap.

WHEN DRAINING WATER FROM THE “ODPAD/WASTE” PORT, MAKE SURE YOU COMPLY WITH ALL LEGAL

REQUIREMENTS FOR WASTE WATER HANDLING. DO NOT LET THE WATER INTO PLACES WHERE IT COULD CAUSE

DAMAGE BY FLOODING. THE “ODPAD/WASTE” PORT CAN BE FITTED WITH WASTE HOSE CONNECTION

THREADING. WHEN FILTERING, THE “ODPAD/WASTE” PORT SHOULD BE CLOSED BY A CAP.

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Wellis Sand Filter Manual

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