39
16. CHLORINE PRODUCTION
The ChloroMatic Nipper must be run daily to generate sufficient chlorine to sanitise the pool. During summer a
typical installation would require eight hours per day of chlorination. Depending on when you choose to run the
ChloroMatic Nipper, it is best to test the residual Chlorine in the pool at the point where you would anticipate
the levels be at their lowest. At that chosen time of the day, if the residual Chlorine level from your test is
reading too high, reduce the ChloroMatic Nipper CHLORINE OUTPUT. Alternatively, if the residual Chlorine
level from your test is reading too low, increase the ChloroMatic Nipper CHLORINE OUTPUT (refer to page
16). Correct chemical balances (see page 39) are critical to ensure the ChloroMatic Nipper performs correctly.
In cooler times of the year, it’s typically possible to reduce running hours of the ChloroMatic Nipper. Follow
instruction from your pool professional. Chlorine output can also be reduced throughout this time by entering
WINTER MODE, (see page 26).
16.1 “SHOCK” TREATMENT
Periodically, especially during extremely hot conditions, it may be necessary to boost the chlorine level in the
pool. This can be achieved by selecting BOOST MODE, which will run the system on full for 24 hours, (see
page 22). Alternatively, add either liquid, or granulated chlorine. If granulated chlorine is added, the cell must
be checked regularly, since the additives from this product can clog the electrodes.
16.2 CHLORINE TYPES AND COMPARISONS / MAX POOL SIZE
Many chlorinator manufacturers calibrate their units to compare with 65% granulated chlorine, making it
necessary to adjust their readings to a lower level in order to determine true chlorine production. Below is a
comparison table of the available types of chlorine used to sanitise pools.
ChloroMatic
Nipper
Model
Production
Maximum
(g/hr 100%)
Production
(g/hr 65%
equivalent)
Chlorine
produced
over 8 hours
(grams 100%)
Maximum Pool Size
Cool Climates
<25ºC
Temperate
Climates
25ºC to 30ºC
Hot & Tropical
Climates
>30ºC
DNP15C(LS) 15 23 120 75m
3
58m
3
46m
3
DNP25C(LS) 25 38 200 125m
3
96m
3
80m
3
DNP35C 35 53 280 175m
3
134m
3
112m
3
NOTE: The appropriate ChloroMatic Nipper for your pool is dependent on the local
climate, bather load of the pool and running times. Please note that the ChloroMatic
Nipper cell life can be increased with shorter running times during winter and lower
output settings. Davey recommends the ChloroMatic Nipper be run for between 6 - 8
hours a day during summer, and 4 hours during winter.
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