Installation Manual
15
ENGLISH
Installation
14.5 Heat source water quality management table
Water with a lot of alien particles can cause corrosion or create scales in the condenser and pipe to
affect the performance and life of the product. Use coolant water in accordance with [Environment
standard of Enforcement Decree of the Framework Act on Environmental Policy].
When using water other than tap water for the supplementary water in the cooling tower, you must
do a water quality test.
• The water quality management must be done for the closed water cooling type heat source water
in accordance with the following table.
• TDS (Total Dissolved Solids) among the water quality properties during the summer must be
managed to maximum of 1000mg/L and less.
If the water quality of the heat source water is not managed in accordance with the above table,
it can deteriorate the air conditioner performance and cause serious problems to the product.
Item
Unit
Coolant criteria
PH
(25°C)
6.0 ~ 8.0
Conduction rate (25°C)
(AµV/cm)
200 or less
Chlorine ion
(ppm)
50 or less
Sulfuric acid ion
(ppm)
50 or less
Iron
(ppm)
0.3 or less
M alkalinity
(ppm)
50 or less
Total hardness
(ppm)
50 or less
Sulfur ion
(ppm)
Must not be detected
Ammonium ion
(ppm)
Must not be detected
Silica
(ppm)
30 or less
Acetic acid ion
(ppm)
Not regulated
Summary of Contents for AKWW0363UA0
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