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Section 6. Maintenance Instructions
Before servicing the Zodiac AquaPure Ei Series APURE35PLGC chlorine generating device please ensure you have read
and understood the Important Safety Instructions section.
IMPORTANT
Always test the chlorine levels of your pool before each use.
6.1 Daily
1.
Chlorine Test.
Test pool water chlorine level with a reliable test kit. Check the expiry date of the test kit as test
results may be inaccurate if used after that date. Maintain ideal range by adjusting the chlorine output level on the
power pack (see Section 5.3). Recommended free chlorine level is 1 - 3 ppm.
NOTE
It is recommended that chlorine test samples be taken from two (2) places, one (1) at the pool return line,
the other well away from the pool return line. Compare the two (2) samples. A higher level should be found
at the pool return line. The higher level at the pool return line indicates the system is producing
chlorine.
2.
pH Level Test.
Test the pH level of your pool with a test kit. If necessary, adjust to maintain a pH level of
7.4 - 7.6 (see Section 4.3).
CAUTION
Never use dry acid to adjust pH in arid geographic areas with excessive evaporation and minimal dilution of pool water
with fresh water. A build up of by products can damage the electrolytic cell.
3.
Total Alkalinity Test.
Test pool water for total alkalinity with a test kit. Take steps necessary to maintain an
alkalinity of 100 - 120 ppm (see Section 4.3).
4.
Calcium Hardness.
Test pool water for calcium hardness level using test kit or by having a water sample tested
by a pool professional. Adjust as necessary to maintain a calcium hardness of 200 - 300 ppm (see Section 4.3).
6.2 Monthly
1.
Check the cell.
It is recommended that every month the cell be removed and inspected for scale formation and/or
debris. If cell needs to be cleaned, see Section 6.3 for instructions.
2.
Salt Level Test.
Use salinity test strips, a TDS/salinity meter, or another reliable method to test the salinity of the
pool water. Once the existing salinity has been established, use Table 1 to determine the amount of salt to add to
reach the desired level. Be conservative when adding salt as it is easier to add more if needed than it is to dilute if
there is too much salt. If the salinity level in the pool is correct and the salt LED does not go out, see Section 7:
Troubleshooting.
3.
Pool Water Sample.
Take water sample to local pool store for testing.
4.
Stabilizer (Cyanuric Acid).
Test pool water stabilizer (cyanuric acid) level using a test kit or by having a water
sample tested by a pool professional. Maintain ideal range of 10 - 50 ppm. Follow your pool professional’s
recommendations. For indoor pools, it is not necessary to add chlorine stabilizer to the swimming pool water.
5.
Metals Test.
It is recommended that the pool water be tested periodically for the presence of metals such as iron,
and manganese. These metals should not be present in the pool water. If those metals are present, contact your
local pool professional.
NOTE
DO NOT add pool or spa chemicals directly to the skimmer. This may damage the cell.
