Feed Water Requirements - BWT ECOSOFT ROBUST 1000 Installation Und Betriebsanleitung

INSTALLATION AND OPERATION GUIDELINES FOR REVERSE OSMOSIS SYSTEMS ECOSOFT ROBUST1500 ECO,
ROBUST MINI,ROBUST 1000, ROBUST 1500 / 1500 ЕС, ROBUST PRO / PRO EC, ROBUST 3000 / 3000 EC

2.2 FEED WATER REQUIREMENTS

Parameter
pH
TDS, ppm
Total hardness
Alkalinity
Active chlorine, ppm
Total iron, ppm
Total manganese, ppm
Chemical oxygen demand,
ppm O
2
Total microbial count (TMC),
(CFU per 1 mL)
E. coli (CFU per 100 mL)
If feed water quality does not meet specified requirements, membrane and filter service life may decrease. If
1
aiming to purify raw water (well water/ground water etc.), it is recommended to carry out detailed water anal-
ysis. If any constituents exceed the above limitations, it is advisable to install a special filter upstream of your
reverse osmosis system. Consult professional water treatment specialist for proper selection of an appropriate
filter for your water.
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RObust Pro
250-500
100–400 ppm CaCO
3
100–200 ppm CaCO
3
Value
1
ROBust 1000, ROBust 1500, ROBust
3000, Robust Mini, Robust 1500ECO
6,5...8,5
< 1500
< 500 ppm CaCO
< 325 ppm CaCO
< 0,5
< 0,3
< 0,05
< 5
< 100
None
12
3
3