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Flushing Schedule & Installation Instructions
Flushing Schedule
The FreshPoint™ is flushed on a schedule dependent on the quality of water being treated.
Default Factory Settings
Flush Frequency:
Flush Duration:
Day Override:
These settings may need to be adjusted based on the analysis for the water treated and practical experience
with fouling. The FreshPoint™ will automatically initiate a flush if 24 hours (for each 1 day of the Day Override
setting) has elapsed since the last flow initiated flush. This setting is adjusted in the day override setting in master
programming.
A post-ultrafilter pressure tank is recommended to ensure sufficient flow and pressure to the home during a flush
cycle. The backflush surge tank (where installed) will perform the same function.
Refer to Table 1 below for initial set up.
Table 1: Initial Recommended Flushing Parameters by Water Source and Treatment
Water Source
(with recommended pretreatment)
Surface Water
• Chlorine < 4.0 mg/l
(Municipally Treated)
• Turbidity < 1.0 NTU
• TOC < 2.0 mg/L
• SDI15 < 6.67
• Metals (Fe, Mn, Cu, etc.) < 1 mg/l
Surface Water (Private
• Chlorine > 2mg/l, < 4.0 mg/l
Multi Barrier Treatment)
• Turbidity < 5.0 NTU
• TOC < 10.0 mg/L
• SDI5 < 20
• Metals (Fe, Mn, Cu, etc.) < 1 mg/l
Well (Municipally
• Chlorine < 4.0 mg/l
Treated)
• Turbidity < 1.0 NTU
2
• TOC < 2.0 mg/L
• SDI15 < 6.67
• Metals (Fe, Mn, Cu, etc.) < 1 mg/l
Well (Private)
• Chlorine < 4.0 mg/l
2
• Turbidity < 1.0 NTU
• TOC < 2.0 mg/L
• SDI15 < 6.67
• Metals (Fe, Mn, Cu, etc.) < 1 mg/l
In all cases, a disposable pre-filter cartridge is recommended to protect the FreshPoint™ from large particles,
1
plumbing debris, etc.
Some shallow wells may have serious contamination problems, hazy water, high TOC, color and high bacterial
2
loads. The backflush kit is recommended to avoid fouling in these installations.
NOTE: It is important to understand the water quality and fouling potential to determine the type of
flushing required when installing the FreshPoint™.
Flow Capacity
•
Assess the household water use, especially peak water draw. The standard single-element FreshPoint™ is
sized for 10 gpm peak capacity flow. Water draw in the house that exceeds peak capacity will have the effect
of reduced pressure and volume delivery at the open taps.
•
Maximum recommended continuous flow for the FreshPoint™ system is 1.2 gpm for surface water, and 2.9
gpm for well water.
Page 6
100 gallons
0.5 minutes
1 Day
Typical Water Quality to Filter
Recommended
Pretreatment
1
• 200 micron prefilter
Recommended
• In-Line coagulation and
Recommended
filtration with multimedia
filter
• Disinfection with chlorine
• 200 micron prefilter
• Iron removal filtration
Recommended with
(if iron over 1 mg/l)
high turbidity,
• 200 micron prefilter
suspended solids,
colloids, or ferric iron
• Iron removal filtration
Recommended with
(if iron over 1 mg/l)
high turbidity,
• Disinfection – optional
suspended solids,
• 200 micron prefilter
colloids, or ferric iron
Backflush Kit
Flush Frequency
(Gallons
Throughput)
100
50
200
100
Flush
Duration
(Seconds)
30
60
30
30
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