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the pump.  Check the suction by holding a small piece of paper (about 1" square) to the air inlet port of the 
generator. There should be enough suction to hold the paper in place. Don't forget to remove the paper!  The 
amount of Ozone introduced into the spa can be controlled by adjusting the air control valve.  The air control 
valves should normally be closed on low speed operation of the spa and open on high speed. 
 

3.  WATER VENTURI SYSTEM for POOLS and SOME LARGE SPAS

 

 
A venturi draws air by forcing a set amount (or flow rate) of water through a pipe that gradually reduces in 
size and at the smallest point in the pipe the venturi action (or air suction) is created. A venturi or venturi 
system (see diagrams) must be selected to match the pump flow. Install the venturi on the discharge side of 
the pump and after the filter.  On large systems, the venturi may create an unacceptable pressure drop, if so, a 
by-pass ball valve or spring loaded check valve can be installed.  To increase the draw with a venturi system 
that incorporates a ball valve, simply adjust, or slowly close the ball valve.  This will create a back pressure 
in the bottom pipe (see diagram) which will force water up to and through the venturi, thereby increasing 
draw (or suction). A spring loaded by-pass check valve is suggested for two speed pump systems (usually 
used on spas) to provide an automatic flow adjustment. The optional one inch venturi has a flow rating of 20 
gpm and the 1 

2

 inch venturi is rated for 60 gpm with a 5 psi pressure drop.  A ball valve by-pass is required 

for flows over the rated flow of the venturi. A ball valve by-pass venturi system (see diagram) is 
recommended for any pool installation, to offer a full range of adjustability. 
 

Summary of Contents for Ozone S2Q-OZ

Page 1: ...INSTALLATION INSTRUCTIONS AND OWNERS MANUAL P N 520025 ...

Page 2: ...l oxidizing abilities work in conjunction with your sanitizing agent to provide a healthier cleaner bathing experience As an oxidizer Ozone eliminates objectionable chemical by products such as chloramine or bromamine the result a totally environmentally safe product FEATURES All models include an audible alarm and an LED indicator light to indicate that the lamp is operating The audible alarm wil...

Page 3: ...e unit can be mounted vertically or horizontally with the connection ports facing down Mount the cabinet to the wall with the mounting holes in the back of the cabinet and three size 10 screws If mounting the unit to drywall use a plug or an expansion butterfly nut to secure the unit Some typical installation procedures are described in the following pages More detailed information is provided in ...

Page 4: ...nnections are sealed so no leaking will occur Air Line From Ozonator Check Valve CHK OZ1 Motor Pump Assembly Low Pressure Line High Pressure Line Power Drain Connection Venturi Tube Aspirator Retention Loop 1 4 Male Adaptor Air Inlet 6 Length of 3 8 I D PVC Tubing Adaptor Slip Fit Over Ozonator And Delivery Line After all the water connections have been made you must choose a location for your Ozo...

Page 5: ...These parts should be replaced with Kynar Viton or other material resistant to Ozone Air Line From Ozonator Check Valve CHK OZ1 1 4 Male Adaptor Drill Tap To Suit 1 4 NPT Air Inlet 6 Length of 3 8 I D PVC Tubing Adaptor Slip Fit Over Ozonator And Delivery Line ii Use 3 8 inside diameter tubing for connecting the Ozone Generator to the air induction lines This connection can be made by cutting the ...

Page 6: ...e venturi on the discharge side of the pump and after the filter On large systems the venturi may create an unacceptable pressure drop if so a by pass ball valve or spring loaded check valve can be installed To increase the draw with a venturi system that incorporates a ball valve simply adjust or slowly close the ball valve This will create a back pressure in the bottom pipe see diagram which wil...

Page 7: ... water in the spa The compressor is connected to the Ozone inlet port and the Ozone outlet is connected to the water distribution piping at the spa or pool In order to fit the tubing on the inlet port the protective shield may need to be removed Install a check valve between the Ozone Generator and pipe connections The Ozone is distributed into the pool or spa by the circulation of the water After...

Page 8: ...dy the organic load may be past the Ozonators threshold and you may need to shock after use with a concentrated chemical If a concentrated shock is even necessary one treatment will normally suffice D To remove or replace the UV lamp FIRST DISCONNECT THE OZONE GENERATOR FROM THE ELECTRICAL SUPPLY Remove the end cover screws and the cover Lift the stainless steel cell from the holder clip beside th...

Page 9: ...an the same system operating without an Ozone Generator It is a good idea to have an extra filter cartridge on hand so that one may thoroughly clean the dirty cartridge We recommend using TSP trisodium phosphate in conjunction with cold water and allowing the cartridge to soak overnight Thoroughly rinse the cartridge and reinstall so that all seals or gaskets are seated properly G To monitor the l...

Page 10: ...mp audible alarm units only 2 Improper lamp connections 2 Ensure proper power connection is made 3 Defective ballast or circuit board 3 Please contact authorized dealer WATER CHEMISTRY 5 Cloudy water 1 Total dissolved solids level is too 1 Clean or replace filter high cartridges 2 Incorrect pH levels 2 Adjust pH to between 7 4 7 6 6 Green water 1 Excessive algae build up 1 Shock water 2 High metal...

Page 11: ...nship and the consumer so notifies the warrantor in writing the warrantor will at its option and expense either repair or replace such units subject to the following conditions No warranties are or have been made by the warrantor with respect to the ozone generators other than those expressly included in this one year warranty 1 This warranty does not apply to any ozone generators which have been ...

Page 12: ...12 ENVIRONMENTAL INC 425 Clair Road West P O Box 1719 Guelph Ontario Canada N1H 7X4 Phone 519 763 1032 Fax 519 763 5069 E mail water r can com October 1999 ozman e doc ...

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