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Orion RKS250F1-S User Manual

Orion RKS250F1-S
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27
Water Quality Management
CAUTION
1. Chilled water should be either clean water (tap water) or a 30 to 40% solution of industrial use
ethylene glycol in water. Use of non-approved water can result in damage to the product, leaking, and
possible electric shock or electrical shorts.
Refer to the following chart for information regarding the standard quality guidelines for clean (tap)
water.
Water Quality Control of Clean Water
Item Working water
Standard
components
pH
(25 6.88.0
Electrical conductivity
(25)(μS/cm 1400
Chloride ion (mgCl¯/L) Max. 50
Sulphate (mgSO²¯/L) Max. 50
Acid consumption (pH4.8)(mgCaCO/L) Max. 50
Total hardness (mgCaCO/L) Max. 70
Calcium hardness (mgCaCO/L) Max. 50
Silica ion (mgSiO/L) Max. 30
Reference
components
Iron (mgFe/L) Max. 1.0
Copper (mgCu/L) Max. 1.0
Sulfide ion (mgS²¯/L) Not detected
Ammonium ion (mgNH₄⁺/L) Max. 1.0
Residual chlorine (mgCl/L) Max 0.3
Free carbon dioxide (mgCO/L) Max. 4.0
Excerpt from JRA-GL-02-1994 guidelines from The Japan Refrigeration and Air Conditioning Industry Association.
2. If a problem is found after a regular inspection of the water circuit, clean the water tank and water
circuit and replace the water in the tank as necessary. Even if no abnormalities are noticed,
evaporation will occur and concentration of impurities will increase. Therefore the water in the water
tank should be replaced once every 3 months. For further information on regular inspections, see the
section on, "Regular Inspections and Maintenance".

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Orion RKS250F1-S Specifications

General IconGeneral
BrandOrion
ModelRKS250F1-S
CategoryAccessories
LanguageEnglish

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