4
P Z 1 , P Z 3 , P Z 6 V
Operation & Troubleshooting
TROUBLESHOOTING GUIDE
PROBLEM PROBABLE CAUSE REMEDY
Power not connected Check all wiring connections, voltage compatibility
No power to unit
Check power source
No light from Prozone unit
Defective lamp or other internal component Return unit to dealer
Air control leaks Tighten air control
No suction to unit Size jet orifices properly
No bubbles from injector or
no evidence of ozone in spa
Filter not working Clean or replace filter
Ozone Generator operation time too short Increase operation time
Water chemistry out of balance Check readings and balance accordingly
Total Dissolved Solids (TDS) level too high Refer to dealer for proper water testing
Cloudy water; foamy water; scum
Filter not working Clean or replace filter
NOTE: Cloudy water may occur when the ozone generator is started. Filter and backwash as necessary.
OPERATION
The Prozone system produces ozone when air is drawn across a special high-energy vacuum ultraviolet (VUV) lamp, converting
some air to ozone. The ozone is introduced into the water either by direct diffusion (sparging) or with a bypass venturi system. With
direct diffusion, air/ozone is forced through a porous metal disk which creates extremely fine bubbles. As the bubbles rise, the
ozone is absorbed into the water where it reacts. The ozone is introduced via the "ozone-ready" air venturi inherent in virtually all
spas manufactured today. The ozonation process will occur only when the spa pump is running. This is the only time that suction is
created to draw the ozone from the ozone generator into the spa water. The longer the spa pump runs in filtration cycle, the more
ozone the spa water receives.
The bypass venturi system takes water directly after the circulation pump (highest pressure point), bypasses part of the water flow
past filters, heater, etc. through a venturi injector, through contact tubing and then returns the water back to the pool return line.
A check valve is employed to prevent water backup in the event of system failure.
Ideal daily operating time will vary between spas because of variables such as bather load, spa size, and application. As a
minimum, the ozone generator should be run at least 6 hours per day.
•
pH - 7.2 to 7.6. Ozone is pH neutral and will not cause the pH value of the water to fluctuate.
•
Sanitizers - A chlorine level of .5 ppm to 1 ppm is recommended.
•
Shock - Non-lithium -based material such as Calcium Hypoclorite or Sodium Hypochlorite, etc.
The use of other chemicals is not usually required and they could cloud the spa water.
WATER CHEMISTRY
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