the button. After six seconds, the digital display reverts back
to the pool reading. (The World Health Organization sug-
gests maintaining an ORP at or above 650mV. This is a
good starting point.)
2. Allow the system to operate for 24 hours. With the filtration
system running, retest the sanitizer level and adjust the ORP
set knob if necessary.
Please Note: The knob is very sensitive; an adjustment
from 700 to 750 mV could increase the sanitizer level by sev-
eral parts per million (ppm).
3. The feed rate of the sanitizer feeder should be adjusted in the
same manner as the pH feeder (see #4 on page 11).
4. The yellow ORP feed light will activate only when the controller
is operating the ORP feed system. In constant feed, the feed
light will flash while feeding. If using timed feed/delay (see
the Appendix on page 24), the feed light will flash during the
feed cycle and remain on constantly during the delay cycle.
13
Summary of Contents for Watermatic C-660
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