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Troubleshooting an ozone system is no different than troubleshooting any other water treatment system. The main principles apply; only the specifics change slightly.
Your job is to find out as much information over the phone prior to dispatching your service technician. Certain questions must be asked. It is best to ask direct questions that require an exact answer.
Our technicians are trained to follow a set protocol from the time the customer calls until the service call is finished. Everything that has been discussed, checked and discovered is recorded on a service form. There is no such thing as having too much information.
The tools you will need are a clean, white five-gallon bucket, appropriate test kits, 200 psi gauge and a short hose to adapt to the backwash outlet fitting.
Equipment checks--ozonator. Most manufacturers will have set guidelines and troubleshooting procedures to follow. Generally, there is an indicator light that is on when the ozonator operates. Check the inlet and outlet tubing and be sure they are securely fastened to the appropriate fittings. Loose fittings are air leaks. (Air is a very weak oxidizer compared to ozone.)
Testing for ozone residual. Unfortunately, this is not a practical method of troubleshooting for two reasons.
Principle: It is not necessary to have detectable ozone residual to oxidize iron, sulfur and manganese as it is with chlorine. While this is a benefit of ozone it makes troubleshooting slightly more difficult.
Checking for ozone injection. Once you have established that you are producing ozone, you must be sure that the ozone is getting into the water. There are two methods of injecting ozone.
Off gas tank (OGT). This device is either water logged and venting properly or air logged and letting air/ozone carryover. Complaints of continuous air spitting from the faucets, indicates air/ozone carryover.
Filtration. Use a five-gallon bucket and catch the first 5?30 gallons of backwash water. Let the bubbles rise. Can you see the bottom? If the media are fouled, you most likely will not be able to see below the surface. The water might be discolored and dirty, but never so bad that you cannot read a quarter on the bottom. Problems associated with filtration occur from the following.
In closing, treat service calls as a new opportunity to make money and inform your customer of your potential. Plumbers never run away from service calls. They have set charges and everyone expects to pay for their time and material. Water treatment customers are no different as long as they have not been promised something that you, the dealer, cannot keep. Proper troubleshooting techniques will save time, increase profit and the professional impression left on the customer will be invaluable.