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 the 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
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SD566252 ISSUE 51
