Water Quality - LG THERMA V HN1639 Installation Manual

Installation of Indoor Unit

Water Quality

Water quality should be complied with EN 98/83 EC Directives. Requirement for resolved chemical
ingredients is following table. Detailed water quality condition can be found in EN 98/83 EC
Directives.
Parameter
Acrylamide
Antimony
Arsenic
Benzene
Benzo(a)pyrene
Boron
Bromate
Cadmium
Chromium
Copper
Cyanide
1.2-dichloroethane
Epichlorohydrin
• If the product is installed at existing hydraulic water loop, it is important to clean hydraulic pipes to
remove sludge and scale.
• Installing sludge strainer in the water loop is very important to prevent performance degrade.
• Chemical treatment to prevent rust should be performed by installer.
36 Air-to-Water Heat Pump
Value Parameter
0.10 μg/ Fluoride
5.0 μg/ Lead
10 μg/ Mercury
1.0 μg/ Nickel
0.010 μg/ Nitrate
1.0 mg/ Nitrite
10 μg/ Pesticides
5.0 μg/ Pesticides — Total
50 μg/ Polycyclic aromatic hydrocarbons
2.0 mg/ Selenium
50 μg/ Tetrachloroethene and Trichloroethene
3.0 μg/ Trihalomethanes — Total
0.10 μg/ Vinyl chloride
Value
1.5 mg/
10 μg/
1.0 μg/
20 μg/
50 mg/
0.50 mg/
0.10 μg/
0.50 μg/
0.10 μg/
10 μg/
10 μg/
100 μg/
0.50 μg/