15
Maintenance of the ozone system is critical to its longevity and operating efficiency. While all system
components are built to provide years of reliable service with minimum maintenance, following the
procedures outlined below is strongly recommended.
All maintenance procedures have been segmented by interval: daily, monthly, semi-annual and annual.
Daily procedures involve quick, visual checks for changes in normal operating conditions. Monthly,
semi-annual and annual procedures include cleaning and/or replacement of certain critical parts.
NOTES:
• The ozone generator warranty states that it “does
not extend to any product or part which has been
damaged or rendered defective as a result of use
of parts not sold by ClearWater Tech, or service
or unit modification not authorized by
ClearWater Tech” Please contact your
ClearWater Tech dealer if you have any
questions about any maintenance procedure
before you begin that procedure.
• CAUTION: Observe all common safety practices
and review the “Safety Warnings and Instructions”
in Chapter 2 before attempting any maintenance
procedure that requires the use of tools and/or
shutting down the ozone system.
Daily Procedures
Air Preparation System
• Power Switch: Check the power switch on the air preparation system (see Figure 6-1), if so equipped.
• Indicator Cartridge: Inspect the air preparation system indicator cartridge. A change in the blue crystals to a light
pink or white color indicates the presence of moisture in the feed gas coming from the air preparation system. If
such a change is observed, refer to the Troubleshooting Guide.
• Air Flow: Check the air flow gauge on the air preparation system (see Figure 6-1). Make sure the air flow is
within the SCFH range shown on the “Air prep System Air Flow” line of the “Pneumatic Operating Parameters”
chart (Figure 7-1). Adjust if necessary by following the steps outlined in the “Start-Up & Calibration” section.
Ozone Generator
• Indicator Lights: Check the Main Power indicator light at the bottom of the ozone generator and Ozone LED(s) at
the cover of the ozone generator (see Appendix, Section A). The Main Power light should be illuminated when
main power to the ozone generator is present and the main power switch is “On.” The Ozone Output LED(s)
should be illuminated when the External Loop has continuity, the Manual Ozone Output Adjustment Knob is at a
desired setting (other than 0%) or a Remote 4-20mA Control Signal is sensed. See Troubleshooting Guide.
• Air Flow: Check the air flow gauge at the ozone generator cover. Make sure air flow is within the CFH (cubic feet
per hour) range shown on the “Ozone generator air flow” line of the “Pneumatic Operating Parameters” (see
Figure 7-1). Adjust if necessary by following steps outlined in the “Start-Up & Calibration” section.
• Pressure: Check the PSI gauge located on the ozone generator cabinet door. Make sure pressure is within the
range shown on the “PSI Gauge” line of the “Pneumatic Operating Parameters” chart (see Figure 7-1). Adjust if
necessary by following steps outlined in the “Start-Up & Calibration” section.
Vacuum Break
• Water Level: Check the water level in the vacuum break. Make sure it is above the flapper valve in the overflow
tube. Fill as required by removing the threaded fitting on top of the riser tube until water is up to the ‘Fill Level’
in the overflow tube (see Figure 6-3).
Injection Manifold
• Check Valve: Inspect the Teflon ozone delivery line that runs between the vacuum break and the check valve
assembly on the suction port of the ozone injector manifold. If water is observed in the delivery line near the
check valve assembly, the check valve has failed. See Troubleshooting Guide.
Monthly Procedures
Air Preparation System
• Cooling Fan Operation: Check to make sure the cooling fan mounted on the side panel of the air preparation
system is operating. If not, refer to the Troubleshooting Guide.
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