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Section 6. Maintenance Instructions
Before servicing the Zodiac AquaPure Ei Series APURE35C 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 an ideal range by adjusting the chlorine output level on
the power pack (see Section 5.4). The 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)
WARNING
Disconnect power to the system at the main circuit breaker before performing this procedure to avoid risk of electric
shock which can result in property damage, severe injury or death.
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.
WARNING
Always turn pump off prior to attempting service or repair. Your pump and filter system is operated under pressure and
pressure must be released before you begin to avoid system damage or personal injury. Open the air relief valve on your
pool filter to release the pressure in the system.
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 of the pool is correct and the salt LED does not go out, see Section 7.
Troubleshooting.
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