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4-Stage Reverse Osmosis Water Filtration System
Installation and Operating Instructions
Model WRO-2550
IMPORTANT: Before installing this reverse osmosis system, make
certain your water supply complies with the following operating
specifications. Failure to do so may reduce the effectiveness of the
system and will void the warranty.
Specifications
Thin Film Membrane: TFM-50
Feed Water Pressure: 40 to 100 psi (2.75–6.9 bar)
Temperature Range: 40–100°F (4.4–37.7°C)
TDS: 2000 ppm
Maximum Hardness
†
: 10 gpg (171 mg/L)
Sulfide, Iron and Manganese
‡
: 0 ppm <0.1 ppm
Chlorine in Water Supply: Less than 2 ppm
pH Limits: 3–11
Daily Product Water Rate: 15.04 gpd (56.93 Lpd)
TDS Rejection: 96.2%
Turbidity: 11 NTU Average
†
If the hardness of your water is above 10 gpg (171 mg/L), lime scale
will build up rapidly on the membrane. Scale buildup will plug the
membrane and make the system ineffective. We do not recommend
these reverse osmosis systems to be used with water in excess of
10 gpg (171 mg/L) hardness.
‡
A maximum total level of approximately 0.01 ppm sulfide, iron or
manganese is permissible. See your local dealer to reduce these
substances in your water.
Tested by NSF International according to NSF/ANSI Standard 58 has
given 15.04 gallons per day. Source water test parameters are 50 psig,
77°F, pH of 7.5 ± 0.5 and 750 ppm total dissolved solids.
Parts Included: (See back of manual for diagram)
Pre-assembled filter system (mounting bracket, membrane housing,
membrane, pre- and post-filter housings and pre- and post-filter
cartridges).
• Reverseosmosismembrane •Storagetank
• Inletsupplyadapter •Chromefaucet
• Drainclamp •Feedtubing
• 1/4-inchTubing •Sumpwrenches
• Tankvalve •3/8-inchTubing
System Dimensions:
Overall Dimensions: 13
1
⁄2-inch W x 5
1
⁄2-inch D x 17
1
⁄4-inch H
(34.29 cm W x 12.7 cm D x 43.8 cm H)
Weight: 17.3 lbs. (7.84 kg)
Tank Dimensions: 13
1
⁄2-inch W x 9 inch D x 9 inch H
(34.29 cm W x 22.86 cm D x 22.86 cm H)
Tank Capacity Max: 2.8 gal. (10.6 L)
Tank Air Pressure Empty: 5 to 7 psi (0.34 to 0.48 bar)
Tank Weight (Full): 28.5 lbs. (12.9 kg)
The WRO-2550 is Tested and Certied by NSF International against
NSF/ANSI Standard 58 for the reduction of Total Disolved Solids,
Fluoride, Turbidity, Lead, Selenium, and Copper.
Tools and Materials
Required
• Hand or electric drill
(cordless preferred)
• (2) Adjustable wrenches
• Slotted and Phillips
screwdrivers
• File
• Safety glasses
• Drill bits: 1/8", 3/16", 1/4", 3/8"
If sink does not have hole for
separate faucet:
• Center punch
• Cone-shaped grinding wheel
• 1-1⁄4" hole saw or drill bit
• Safety mask
NOTE: All tools may not be
necessary for installation. Read
installation procedures before
starting to determine what tools
are necessary.
SH247244 Rev A FE11
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