IMPORTANT
1. All pool purifying devices and chemical injection systems to be fitted
down stream of heat pumps unless installation is as per filter dosing (see
figure 3).
This includes e practice of dosing chemicals direct into skimmer basket,
which results in concentrated corrosive liquids passing over vulnerable metal
components.
2. Water quality must be maintained as follows:
3. Maximum pressure of water in heat pump circuit should not exceed 3 kg/cm² (50 psi).
pH 7.2 - 7.8
Total Alkalinity 80 - 120 ppm as CaCO3
Total Hardness 150 - 250 ppm as CaCO3
Total dissolved solids 1000 Max ppm
Saline Water (Titanium Condenser) 35,000 Max ppm
Saline Water (Cupro Nickel Condenser) 8,000 Max ppm
Chlorine - free Cl Range 1.0 - 2.0 ppm Domestic
Chlorine - free Cl Range 3.0 - 6.0 ppm Commercial
Ozone 0.9 Max ppm
Bromine 2 - 5 ppm
Baquacil 25 - 50 ppm
Aquamatic Ionic Purifier Max 2 ppm Copper
9
SD566252 ISSUE 51
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