3M 6239303 Installatie- en bedieningshandleiding - Pagina 6
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Feedwater Requirements
See safety information regarding reducing the risk associated with property damage due to water leakage or fl ooding on page 4 prior
to set-up and installation of the system.
• Be sure to confi rm that the feedwater falls within the limits shown below. If unsure of the feedwater quality, check with your 3M
Products distributor.
Challenge Water Recommendations
(Contact dealer/distributor for assistance in water testing)
If there is iron or manganese above recomended limits present in the incoming-water, it is recommended to install water softening system upstream
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of ScaleGard
HP System.
If incoming water hardness is greater than 10 grains (171 mg/l), it is recommended to install water softening system upstream and change the stan-
dard fl ow control on the drain-line to achieve recovery of the RO system at 33%. (HFRO 33% Recovery kit PN-50-93201)
If the particle count is >1000 counts/ml for particles less than 2 micron size or turbidity is greater than the recommended 5 ntu limit, then it may be
required to consider different prefi ltration options and change the standard fl ow control on the drain-line to achieve recovery of the RO system at
33%. (HFRO 33% Recovery kit PN-50-93201) . Contact your dealer/distributor for details.
It is recommended to install an SGHP RO-EXP and SGHP Pre-EXP under the following conditions:
1. If more production capacity is needed.
2. If installed in a location where water temperature drops below 50 °F (10 °C) during any part of the year.
3. If the particle count is >1000 counts/ml for particles less than 2 micron size or turbidity is greater than 5 NTU limit.
4. If the incoming water TDS is greater than 1000ppm limit.
Other Requirements
NOTICE
NOTICE
IMPORTANT NOTES
IMPORTANT NOTES
Inlet water pressure ............................30-125 psi (207-862 kPa)
Feed TDS .................................................. 1,000 ppm Maximum
Hardness ...................................................<10 grains (171 mg/l)
Iron (Fe) ...................................................................... <0.1 mg/l
Hydrogen Sulfi de ................................................... None Allowed
Feed pH ...............................................................................4-11
Free Chlorine ............................................................... <0.1 mg/l
Manganese (Mn) .......................................................<0.05 mg/l
Turbidity ..........................................................................<5 NTU
Temperature ...................................................................>50 °F*
*If at any time during the year water temperature falls below 50 °F, see
challenge water recommendations below.
Power......... 110V (PN-5629101, 6239301), 220V (PN-6239302)
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Water Filtration