6
EC–AG
Installation & Operations Manual
4B-3. Ozone Module performance will degrade over time. Replace
the Ozone Module after 15,000 hours of operation. (15,000 hours
equals approximately 5 years for a pool system that operates 8
hours/day, every day.) See Section 4C for module replacement
instructions.
4B-4. While operating, check regularly to see if bubbles are
entering the pool. (If you have installed an MDV, check the MDV for
bubbles.)
4B-5. Regularly inspect Ozone Supply Tubing for cracks or wear.
Also check to make sure no water is present between the Check
Valve and the Ozone Generator. This indicates Check Valve failure
and the Check Valve and Ozone Supply Tubing Assembly should be
replaced. (replacement part number 9-0777-01) immediately.**
**WARNING: Trace amounts of nitric acid may be present in
the check valve or tubing and could be mildly corrosive. If
condensation is present, shut off Ozone Generator and allow
the moisture to be drawn out or dried up prior to servicing.
4C. Ozone Generator Servicing
4C-1. The Ozone Generator must be removed from the wall before
servicing. To remove the Ozone Generator:
a. Disconnect service to Ozone Generator.
b. Disconnect the power cord from the pool timer circuit.
c. Disconnect the Ozone Supply Tubing from the bottom of the
Ozone Generator.
d. Remove the two wall mounting screws.
4C-2. Opening the Ozone Generator
The Ozone Generator enclosure consists of two plastic parts that
clip together. They are held in place by one screw. To open the
enclosure:
a. Remove the Cover Screw on the back side of the base of the
EC–AG (Figure 3).
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