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5

42445 Avenida Alvarado, Temecula, CA  92590

 (800) 451-9343 · www.nimbuswater.com

Performance Data Sheet

System Performance

 

This system has been tested according to NSF/ANSI 58 for reduction of the substances listed below.  The concentration of 

the indicated substances in water leaving the system was reduced to a concentration less than or equal to the permissible 

limit for water leaving the system, as specified in NSF/ANSI 58.  Do not use with water that is microbiologically unsafe or of 

unknown quality without adequate disinfection before or after the system.  Systems certified for cyst reduction may be used 

on disinfected water that may contain filterable cysts.  

This system has been tested for the treatment of water containing pentavalent arsenic (also known as AS(V), As

+5 

, or ar-

senate) at concentrations of 50 ppb.  This system reduces pentavalent arsenic, but may not reduce other forms of arsenic.  

This system is to be used on water supplies containing a detectable free chlorine residual at the system outlet or on water 

supplies that have been demonstrated to contain only pentavalent arsenic.  Treatment with chloramine (combined chlorine) 

is not sufficient to ensure complete conversion of trivalent arsenic to pentavalent arsenic.  Please see the Arsenic Facts sec

-

tion of the Performance Data Sheet for further information.

Testing was performed under standard laboratory conditions, actual performance may vary.  Incoming water must be free of 

potential membrane foulants such as Iron, Hydrogen Sulfide and Manganese.  Efficiency rating means the percentage of the 

influent water to the system that is available to the user as reverse osmosis treated water under operating conditions that 

approximate typical daily usage.  Recovery rating means the percentage of the influent water that is available to the user as 

reverse osmosis treated water when the system is operated without a storage tank or when the storage tank is bypassed. 

 

Model Number: WM5-50 

Production Rate: 55.30 L/d (14.61 gpd) 

 

 

Recovery: 26.76% 

Efficiency: 15.82% 

 

Temperature: 4°C - 38°C (40°F - 100°F) 

Pressure: 2.81 - 5.62 kg/cm

2

 (40-80 psi)

Influent Challenge 

 

Concentration

Maximum Allowable 

 

Concentration

Average Percent  

Reduction

Arsenic (pentavalent)

50 ppb

10 ppb

97.8

Cysts

Minimum 50,000/mL

110 counts/mL

>99.99

Fluoride

8.0 mL ± 10%

1.5 mL

96.3

Lead

0.15 mL ± 25%

0.010 mL

98.0

TDS (Total Dissolved Solids)

740 mL

187 mL

96.5

System Maintenance

This reverse osmosis system contains a replaceable component critical to the efficiency of the system.  Replacement of the 

reverse osmosis component should be with one of identical specifications, as defined by the manufacturer, to ensure the 

same efficiency and contaminant reduction performance. See: http://nimbuswater.com/techinfo/wm5_manual.pdf.

Part Number 

Description 

Replacement Interval 

MSRP

104592 

TF50, 4 stage cartridge 

12 months 

$145

104803 

5th stage inline post filter 

6-12 months 

$25

Summary of Contents for Five Water Maker WM5-50

Page 1: ...0 5 Stage Reverse Osmosis System Rev 10 14 42445 Avenida Alvarado Temecula CA 92590 800 451 9343 FAX 951 894 2801 www nimbuswater com System tested and certified by NSF International against NSF ANSI Standard 58 for the reduction of substances specified on the performance data sheet ...

Page 2: ... Model Date Code Install Date Sold by Installed By Service Center Phone Number WaterMaker Five WM5 50 Please fill out the following information at the time of installation Save for future reference ...

Page 3: ... is functioning properly a water sample must be sent in to Nimbus every 6 months for a free diagnosis of your membrane performance To send a water sample use two clean containers and fill one with 1 2 cup of tap water and the other with 1 2 cup of RO water Clearly label each sample Send the samples to the address listed on the cover of this manual attention Water Sample Testing Nimbus will test th...

Page 4: ...umes no liability for the determination of the proper equipment necessary to meet your requirements and we do not authorize others to assume such obligation on our behalf This Limited Warranty does not cover any Manufacturer supplied items that are defective as a result of the use of improper parts equip ment or materials This warranty does not cover alterations or modifications of the unit or fai...

Page 5: ...performed under standard laboratory conditions actual performance may vary Incoming water must be free of potential membrane foulants such as Iron Hydrogen Sulfide and Manganese Efficiency rating means the percentage of the influent water to the system that is available to the user as reverse osmosis treated water under operating conditions that approximate typical daily usage Recovery rating mean...

Page 6: ...s type of service Reverse osmosis RO water treatment systems are very effective at removing pentavalent arsenic RO systems do not remove trivalent arsenic from water very well A free chlorine residual will rapidly convert trivalent arsenic to pentavalent arsenic Other water treatment chemicals such as ozone and potassium permanganate will also change trivalent arsenic to pentavalent arsenic A comb...

Page 7: ... health related contaminants Cysts protozoan Arsenic V Fluoride Lead Microbiological Contaminants and Turbidity Inorganic Radiological Contaminants Organic Contaminants Do not use where water is microbiologically unsafe or with water of unknown quality except that systems certified for cyst reduction may be used on disinfected waters that may contain filterable cysts 1 Claims for arsenic reduction...

Page 8: ... H Drain tubing 1 4 black I Faucet tubing 3 8 blue J Four stage desalinator K Feed water tubing 1 4 green L Feed valve assembly with adapter and shut off valve M Carbon post filter A B J E F G D K L M I H C not shown behind cover Pressure 40 80 psi 275 kPa 552 kPa Temp 40 F 100 F 4 C 38 C TDS 2000 mg L Chlorine 1 0 mg L Turbidity 1 NTU SDI 5 pH 4 8 Performance Specifications Feed water must be pot...

Page 9: ...ing located on the faucet base 7 Slide white plastic spacer open end up onto the threaded faucet stem 2 Note This spacer may be omitted if faucet is installed in a granite countertop or countertop with similar thickness 8 Loosely thread the 3 8 washer 3 the serrated washer 4 and mounting lock nut 5 onto the threaded stem Leave enough space for the slotted washer which will be used in step 11 9 Thr...

Page 10: ...small adhesive foam pad from the small parts bag Fig 2 3 Place the adhesive foam pad on the inside of the the drain saddle front aligning the holes 4 Position the drain saddle on the drain pipe under the sink between the P trap and the sink connection Orient the drain saddle so that the opening is on the side of the drain pipe 5 Using the bolts and hex nuts hand tighten the saddle bracket evenly u...

Page 11: ...e first tankful of flow This flushing procedure will allow any sanitizer or carbon fines to pass from the system 2 Initial tank filling will take approximately one hour based on average feed pressure When the tank is full the water pressure will have risen to the point where the automatic shut off valve inside the system will stop the feed flow through the system Actuation of the automatic shut of...

Page 12: ...e connectors until it snaps into place properly 4 All tubing connections especially push in quick connections are fully inserted 5 Tubing connected between the faucet and the drain saddle fitting the fitting attached to the sink drain pipe runs down hill to the drain There should be no loops or places where water would not flow out to the drain 6 Angle stop valve is open The small shut off valve o...

Page 13: ...p will result in accidental leaks and flooding 7 Open the small shut off valve on the feed valve assembly Open the dispensing faucet 8 Close dispensing faucet after water starts running 9 Observe system for any leaks especially at newly re placed cartridge 10 Open the tank shut off valve 11 The system should be flushed at least once as described above under Section 8 Post Filter Replacement 1 Clos...

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