Specification guidelines – GE PNRQ21LBN User Manual
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oubleshooting T
ips
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Specification guidelines.
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The system makes a good supply of drinking water each day.
How much it will make depends primarily on these things…
Product – height 11
″ width 10.5″ depth 4″
In
co
m
in
g
W
a
te
r p
H
WATER SOFTENER RECOMMENDED
INCOMING WATER HARDNESS (GPG)
60
50
40
30
20
10
8
6
7
7.5
6.5
Water Softener
not required
Maximum iron, manganese, hydrogen sulfide (ppm) . . . . . . . . . . . . . . . . . . . . . .<0.1
Chlorine in water supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.0 ppm Maximum Allowable
b
Feed water pH limits (pH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4–10
Storage tank capacity—gallons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
c
Automatic shutoff control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .yes
Prefilter and postfilter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(FQROPF) Carbon Block
Reverse Osmosis membrane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(FQROMF) Thin Film Polyamide
Storage Tank Dimension (inches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .height 15” diameter 11”
System Body Dimension (inches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .height 11” width 10.5” depth 4”
Feed water pressure limits—pounds per square inch (psi) . . . . . . . . . . . . . . . . . . . . . .40–120
a
Feed water temperature limits—minimum/maximum degrees F . . . . . . . . . . . . . . . . .40–100
Maximum Total Dissolved Solids (TDS)—parts per million (ppm) . . . . . . . . . . . . . . . .2000
Maximum water hardness @ 6.9 pH recommended to optimize membrane
life—grains per gallon (gpg) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
For water with hardness greater than 10 grains (at 6.9 pH), the use of a
softener is recommended. Failure to install a water softener will reduce
the life of the Reverse Osmosis membrane. See chart for additional
information on the possible need for a water softener.
a.
If house water pressure is over 120 psi, install a pressure reducing valve in the water supply line. If house water pressure
is under 40 psi, install a Reverse Osmosis booster pump (contact your local plumbing supply company).
b.
Removed (maximum of 2.0 ppm) by the Reverse Osmosis prefilter. REGULAR MAINTENANCE IS REQUIRED. Chlorine will
destroy the Reverse Osmosis membrane.
c.
Theoretical tank capacity. When tested according to NSF/ANSI Standard 58 at 50 psig inlet pressure, tank capacity is
2.3 gallons.
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