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If the water outlet of a venturi is blocked for any reason, water will run back up the ozone 
delivery tubing under pressure from the pool pump.   

 
When regular ozonating  is required, such as for maintenance dosing a water tank or swimming 
pool, a programmable time switch may be used to automate the system.   
 
Generators that use oxygen should be connected to a pressure-regulated supply adjusted to 
deliver no more than 3 psi and include an adjustable flow meter to control the oxygen flow rate 
before it enters the ozone generator.  The optimum flow rate should be between 1.0–4.0 liter’s 
per minute.  Your oxygen provider can normally supply suitable regulators and flow meters.  For 
automatic operation, a solenoid valve may be fitted to switch on the oxygen flow.  

 

The diagrams on the next page show how the HG-1500 generator may be set-up to ozonise a 
water tank and a swimming pool or spa. These diagrams are not to scale. 
 
Figure 1 shows a typical configuration for ozonising a water tank.  A wall-mounted diaphragm 
pump supplies air to a self-regenerative drying column to remove moisture from the air.  The dry 
air is then filtered to remove fine particulates before entering the HG-1500.  The ozonised air is 
discharged through a check-valve and diffuser submerged to a maximum depth of 2.0 meters 
(6.56ft).  Check all connections for leaks and make sure that there is sufficient airflow passing 
through the diffuser before switching on your ozone generator.     
 
A suitable tank vent must be fitted to release pressure and allow a free exchange of air between 
the tank contents and the atmosphere.  Vents also allow the tank water to continually adsorb 
oxygen from the air, which is essential for the maintenance of good water quality.   
 
 
 
 

 

 
 
 
 
 
 
 
 

 
 
 
 
 
 

Air Pump 

Air Drier 

Filter 

Check valve 

Vent 

HG-1500 

Water Level 

Diffuser 

Figure 1: Ozone system suitable for a water tank.  

2 m   
Max. 

Summary of Contents for HG-1500

Page 1: ...HG 1500 Ozone Generator Manual Ozone Solutions Thanks You For Purchasing Our Products Ozone Solutions Inc...

Page 2: ...ght 2 5 kilograms 5 51 lbs Max Ozone Output 1 Oxygen input 25 o C 77o F Oxygen flow L min Ozone output mg Hr 0 5 990 1 1100 1 5 1250 4 1500 2 Dry air input 25 o C 77o F with air dryer SAFETY INFORMATI...

Page 3: ...unit utilizes very high voltages that can result in injury Do not touch an opened or tempered unit while it is working 3 DO NOT operate the unit in humid conditions Humidity 95 4 The suggested minimu...

Page 4: ...harge The conversion of oxygen to ozone occurs in a reaction cell excited by a high voltage potential A control circuit allows the user to manually adjust the ozone output between 40 100 of its rated...

Page 5: ...te between 1 and 15 litres per minute at a maximum pressure of 3 psi which is equivalent to a 2 0 meter 6 56 ft head of water Suitable pumps are available from aquarium suppliers Ozone compatible 6mm...

Page 6: ...be set up to ozonise a water tank and a swimming pool or spa These diagrams are not to scale Figure 1 shows a typical configuration for ozonising a water tank A wall mounted diaphragm pump supplies ai...

Page 7: ...the ozone generator and the injection point GUIDANCE FOR APPLYING OZONE TREATMENT The concentration of ozone required for an antimicrobial treatment is dependent on the total quantity of oxidisable m...

Page 8: ...around the space This can be achieved with a suitable low speed oscillating fan Typically sterilising reasonably clean water requires a concentration of between 0 5 1 0 milligrams of ozone per litre o...

Page 9: ...ely Examine all tubing and connections for leaks or damage Check air pump flow rates Examine check valves for effectiveness Replace dirty particulate filters If you are using a regenerative adsorbent...

Page 10: ...your name model and serial number and the date of purchase 3 Explain your problem clearly You will be advised by Ozone Solutions if you need to return the unit for servicing Please note that the purc...

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