SM Split CS Series Heat Pump
SM Split CS Series Heat Pump8733825873 (2020/05)
14 | Water Quality Table
Subject to change without prior notice
WATER QUALITY TABLE
Table 9 Water Quality
Water Quality
POTENTIAL
PROBLEM
Water Characteristic Acceptable Value
Copper Cupro-Nickel
pH (Acidity/Alkalinity) 7–9 7–9
SCALING
Hardness (CaCO
3
, MgCO
3
)
< 350 ppm < 350 ppm
Ryznar Stability Index
6.0–7.5 6.0–7.5
Langelier Saturation Index
-0.5 – +0.5 -0.5 – +0.5
CORROSION
Hydrogen Sulfide (H
2
S)
< 0.5 ppm* 10–50 ppm
Sulfates
< 125 ppm < 125 ppm
Chlorine
< 0.5 ppm < 0.5 ppm
Chlorides
< 20 ppm < 150 ppm
Carbon Dioxide
< 50 ppm < 50 ppm
Ammonia
< 2 ppm < 2 ppm
Ammonia Chloride
< 0.5 ppm < 0.5 ppm
Ammonia Nitrate
< 0.5 ppm < 0.5 ppm
Ammonia Hydroxide
< 0.5 ppm < 0.5 ppm
Ammonia Sulfate
< 0.5 ppm < 0.5 ppm
Dissolved Solids
< 1,000 ppm < 1,500 ppm
IRON FOULING
Iron (Fe
2
+ Iron Bacteria
Potential)
< 0.2 ppm < 0.2 ppm
Iron Oxide
< 1 ppm < 1 ppm
EROSION
Suspended Solids < 10 ppm, < 600 µm size** < 10 ppm, < 600 µm size**
Maximum Water Velocity
6 ft/sec 6 ft/sec
* No "rotten egg" smell present at < 0.5 ppm H
2
S.
** Equivalent to 30 mesh strainer