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I pg 08

MULTICYCLONE PLUS FILTER MAINTENANCE

The MultiCyclone Plus filter maintenance is determined by the following conditions:

1.  The sediment chamber is half filled with sediment. This accumulation of sediment can be 

visibly monitored through the MultiCyclone Plus’s clear sediment chamber. The MultiCyclone 
Plus is cleaned by simply opening the purge valve. Only 15 litres (4 gallons) of water is 
discharged to clean the MultiCyclone of sediment.

2.  A pressure gauge reading of 50kPa (7.2psi) above the operating pressure may result in a 

reduced flow rate that is insufficient to meet the requirements of the pool. 

Example: Filter operates normally at 60kPa (8.2psi) needs to be cleaned at 110kPa (16psi).

Flush out the sediment chamber

With pump running:

Whilst the water pump is running simply open the sediment purge valve until the sediment has 
been flushed out. This is visible through the clear sediment chamber. Once the sediment has 
been flushed out, close the purge valve.

Without pump running:

Alternatively, switch the pump, off. Open the air release valve and then open the purge valve. 
The water will drop through the MultiCyclone Plus flushing out most of the debris from the 
sediment chamber. Then close the air release valve and turn on the pump and the turbulence 
of the water entering the sediment chamber will flush out the rest of the sediment. Once the 
sediment chamber has been cleansed, close the purge valve, start the pump and close the air 
release valve once water is flowing out through the air release valve.

INSUFFICIENT WATER PRESSURE

In situations where the water flow from the pump is not powerful enough purge the sediment 
out of the sediment chamber. Waterco recommends fitting a 2 way valve after the MultiCyclone 
Plus on the pool water return line. 

The 2 way valve is used to throttle the flow of water out of the MultiCyclone Plus, increasing 
water turbulence through the sediment chamber and improving its purging action.

Whilst the pump is operating, open the purge valve, and then partially close the 2 way valve, 
throttling the water flow sufficiently to purge the sediment chamber of trapped sediment. Once 
the sedimement chamber is clean, open the 2 way valve and then close the purge valve.

Do not close the 2 way valve prior to opening the purge valve and do not close the purge 
valve while the 2 way valve is closed or partially closed. Both valves should never be 
closed or partially closed at the same time.

FILTER CARTRIDGE MAINTENANCE

To ensure maximum life from your MultiCyclone Plus’s filter cartridge you need to maintain the 
filter cartridge regularly.

When the filter is first started and has been purged of air, note the pressure on the pressure 
gauge. This is what is known as the filter operating pressure and it is important that you be 
aware of this figure.

All filtration systems will operate at different pressures depending on the pool hydraulics.

You will need to clean the filter cartridge once the pressure gauge has reached 50kPa (7.2psi)  
above the operating pressure.
 

Example: Filter operates normally at  60kPa (8.2psi) needs to be cleaned at 
                 110kPa (16psi).

Cartridge Cleaning

Prior to removing the MultiCyclone Plus cartridge filter’s lid, you will need to release the pressure 
from the filter cartridge housing.  With the pump off, loosen the air release valve on top of the 
MultiCyclone Plus filter lid to release pressure from the filter housing.

1.  Undo and remove the clamp around the cartridge filter’s lid by unscrewing the tightening 

nuts, this can be either by hand or using a 25mm (1”) open end spanner/adjustable wrench 
on the moulded hexagon section and remove the lid off the filter tank.

2.  Remove the filter cartridge from the filter housing.

3.  Using a garden type hose clean the surface of the pleated element. Make sure to clean 

between the pleats.

4.  Place the filter cartridge back into the filter housing ensuring that it is seated correctly.

5.  Ensure the lid “o”-ring is clean of any debris and is correctly seated into filter body “o”-ring 

groove prior to lid being refitted.

6.  Place the lid onto the filter housing and refit retaining clamp band and tightening nuts using 

a 25mm (1”) open end spanner/adjustable wrench ensuring lid is correctly fitted.

7.  Refer to the start up procedure to recommence operation.

MultiCyclone Plus

Do not over tighten the lid tightening nuts.

Summary of Contents for MultiCyclone Plus

Page 1: ...eration will void the warranty Notice to Installer This manual contains important information about the installation operation safe use of this product Once the product has been installe this manual m...

Page 2: ...ad the following instructions 5 The operating safety of the filter is only guaranteed if the installation and operation instructions are correctly followed 6 In the event of defective operation or fau...

Page 3: ...built cartridge filter producing crystal clear water Simple maintenance MultiCyclone Plus s sediment chamber is easily cleaned by opening its purge valve Only 15 litres of water is discharged Ultra co...

Page 4: ...yclone16 Plus 50mm 63mm EU 2 50lpm 3 m3 hr 13gpm 152lpm 9 1 m3 hr 40gpm 3 7m2 40 ft2 350 kPa 50psi Air Release Valve Filter Cartridge Housing Lid Filter Housing Retaining Clamp Band Tightening Nut Fil...

Page 5: ...flow is less than the filter s minimum flow requirements the filter s filtration efficiency will be affected please consult Waterco 0 2 4 6 8 10 12 0 50 100 150 200 250 300 350 400 MultiCyclone Plus...

Page 6: ...is will prevent water flow during any routine maintenance 4 Minimise the length of pipe and the number of fittings to minimise restrictions to water flow 5 Ensure that all plumbing connections are glu...

Page 7: ...nced and highly efficient filter system that will provide years of trouble free service if the following maintenance procedures are maintained To start up the filtration system either from new or afte...

Page 8: ...iCyclone Plus flushing out most of the debris from the sediment chamber Then close the air release valve and turn on the pump and the turbulence of the water entering the sediment chamber will flush o...

Page 9: ...oosen the air release valve on top of the MultiCyclone Plus filter lid to release pressure from the filter housing 1 Undo and remove the clamp around the cartridge filter s lid by unscrewing the tight...

Page 10: ...pa water The chemical balance of water is a relationship between its pH total alkalinity calcium hardness and water temperature The water must be maintained at all times to the following PH LEVEL BETW...

Page 11: ...side Check for restrictions or blockage in either suction or return lines Filter needs to be cleaned or replaced Pool water level too low Pump not primed Pump impeller vanes blocked Strainer baskets n...

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