5-Stage Reverse Osmosis System
WM5-50
41840 McAlby Court, Suite A
Murrieta, CA 92562
800-451-9343, FAX 951-894-2801
10/10
Warranty
The Limited Warranty extends to the original purchaser of the system. This warranty covers all parts and factory labor needed to repair any
Manufacturer-supplied item that proves to be defecꢀve in material, workmanship or factory preparaꢀon. The above-menꢀoned warranty applies
for the first full calender year from date of purchase. These defecꢀve items are subject to the following exclusions: membranes, filters, O-rings,
and all other parts or components that require regular replacement as a result of ordinary usage.
Disclaimers This Warranty applies only if the system is installed and used in compliance with the instrucꢀons enclosed with the system.
This Warranty does not cover the costs of repairs or adjustments to the unit that may be needed because of the use of improper parts, equip-
ment or materials. This Warranty does not cover repairs required due to unauthorized alteraꢀons of the unit, or failure of a unit caused by such
alteraꢀons or by unauthorized repairs.
The Warranty does not cover malfuncꢀons of the unit due to tampering, misuse, alteraꢀon, lack of regular maintenance, misapplicaꢀon, fouling
due to hydrogen sulfide or iron, scaling from excessive hardness, turbidity greater than 1.0 NTU, Silt Density Index (SDI) greater than 5.0 SDI, or
excessive membrane hydrolysis due to chlorine levels in excess of 0.5 ppm. In addiꢀon, damage to the unit due to fire, accident, negligence, act
of God, or events beyond the control of the Manufacturer are not covered by this warranty.
Incidental and Consequenꢀal Damages The Manufacturer does not assume responsibility for payment of incidental and consequenꢀal damages
as a result of the failure of this unit to comply with express or implied warranꢀes, such as lost ꢀme, inconvenience, damage to personal property,
loss of revenue, commercial losses, postage, travel, telephone expenditures, or other losses of this nature. Some states do not allow the exclusion
or limitaꢀon of incidental or consequenꢀal damages, so this exclusion may not apply to you.
Owner’s Warranty Responsibiliꢀes Under the provisions of the Warranty, the owner is expected to schedule maintenance, as described in this
Manual. Neglect, improper maintenance, abuse, or unapproved modificaꢀons may invalidate the Warranty. Should your unit develop a defect
or otherwise fail to perform in accordance with this warranty, you should contact the dealer from whom the product was originally purchased.
Implied Warranꢀes The implied at-law warranꢀes of merchantability and fitness for a parꢀcular purpose shall terminate on the date one year
aſter the date of purchase. Note: some states do not allow limitaꢀons on how long an implied warranty lasts, so the above limitaꢀons may not
apply to you.
Other Rights This Warranty gives you specific legal rights and you may also have other rights which vary from state to state.
Please fill out the form below and retain for future reference.
WaterMaker Five
Model:
Date Code:
Install Date:
Sold by:
Installed By:
Service Center
Phone Number:
41840-A McAlby Court, Murrieta, CA 92562
(800) 451-9343, email: sales@nimbuswater.com
3
System Specificaꢀons
Performance Specificaꢀons
Feed Water Requirements
Membrane
50 GPD
(189 LPD)
95%
System w/Tank
Pressure
Temp
TDS
Chlorine
Turbidity
SDI
40-80 psi (275 kPa - 552 kPa)
40°F - 100°F (4°C - 38°C)
<2000 mg/L
<1.0 mg/L
<1 NTU
<5
Producꢀon
27 GPD
(102 LPD)
95%
22.8%
3.4:1
TDS Rejecꢀon
Recovery1
Brine to Product
35.4%
1.8:1
pH
4-8
1 The percentage of the feed water available as reverse osmosis treated
water under normal operaꢀng condiꢀons.
Feed water must be potable, municipal water. Must
be free of potenꢀal membrane foulants such as Iron,
Hydrogen Sulfide and Manganese.
Tested at 60 psig (4 bar), 500ppm TDS municipal water, 77°F (25°C)
Dimensions and Weight
System - 9.72” W x 13.75” D x 15.38” H ( 24.7 x 34.9 x 39.1 cm), 11 lbs. (5 kg.)
Shipping Box - 14.5"L x 11.25"W x 20"H (36.8 x 28.6 x 50.8 cm), 13.7 lbs. (6.2 kg.)
A. Product water storage tank
B. Tank valve
C. Tank tubing (3/8” white)
D. Air-gap faucet
E. Drain connecꢀon assembly
F. Drain tubing (3/8” white)
G. Quick connect fiꢂng
H. Drain tubing (1/4” black)
I. Faucet tubing (3/8” blue)
J. Four-stage desalinator
K. Feed water tubing (1/4” green)
L. Inlet fiꢂng with shut-off
M. Carbon post-filter
D
H
G
I
F
E
L
M
K
B
C (not shown)
J )
A
(behind cover)
This system has been designed for installaꢀon by a licensed professional such as a contractor or plumber. Proper compleꢀon of this
installaꢀon will require basic familiarity with standard sink plumbing and proper use of common hand and power tools. Improperly
installed systems could result in water damage due to leaks or flooding. Do not use with water that is microbiologically unsafe.
41840-A McAlby Court, Murrieta, CA 92562
(800) 451-9343, email: sales@nimbuswater.com
4
Push Handle Airgap Faucet
1. Insert polished faucet base and rubber seal onto base of faucet
and insert base assembly down through the sink hole.
2. From underneath the sink, push the 1/4” black drain tubing
aꢃached to the system onto the 1/4” fiꢂng located on the faucet
base.
3. Locate the extra piece of 3/8” white tubing and push one end
onto the larger 3/8” fiꢂng located on the faucet base.
4. Slide white plasꢀc spacer open-end-up onto the threaded fau-
cet stem (2).
Airgap to system drain
(1/4" black tubing)
5. Loosely thread the 3/8" washer (3) and mounꢀng lock nut (4)
onto the threaded stem.
Faucet to drain saddle
(3/8" white tubing)
Metal base plate
6. Thread faucet quick-connect adapter (5) on to threads of faucet
stem. NOTE: This connecꢀon should be hand-ꢀghtened only. Push
one end of 3/8" blue tubing into 3/8" connecꢀon.
Rubber seal
Product water
(1/4" blue tubing)
1
2
8. Posiꢀon the faucet to the desired handle orientaꢀon. Slip the
sloꢃed washer (1) between the white plasꢀc spacer and the sink.
Securely hand ꢀghten the mounꢀng nut.
3
4
5
9. Firmly insert spout assembly into the top hole of faucet body
(approximately 1/4"). You may swivel the faucet leſt or right.
41840-A McAlby Court, Murrieta, CA 92562
(800) 451-9343, email: sales@nimbuswater.com
5
Feed and Drain Connecꢀon
Feed Connecꢀon
1. Locate and turn off the angle stop valve on the cold water line feeding the sink. This
valve will usually be located under the sink on the pipe coming out of the wall.
2. When the angle stop valve is closed, relieve pressure in the line by opening the cold
water tap on the sink.
3. Disconnect the cold water faucet feed line at the angle stop valve.
4. Install the feed adapter into the angle stop. (Fig. 1)
5. Firmly press the green 1/4” tubing into the 1/4" connector on the feed adapter.
6. Connect the cold water faucet feed line into the feed adapter.
7. Aꢃach the small feed valve warning tag from the parts bag to the feed valve.
8. Aꢃach the Shutoff Warning label to the system so that it is directly visible. Fill out the
Date of Installaꢀon label and aꢃach to the side of the system.
Fig. 1
Drain Connecꢀon
Note: The drain saddle assembly must be installed before the 'P' trap. Do not install the
drain saddle assembly between the 'P' trap and the wall.
1. Posiꢀon drain saddle assembly (Fig. 2) on drain pipe under sink between the P trap
and the sink connecꢀon.
2. Orient the drain saddle so that the connector opening points in the general direcꢀon
of the planned locaꢀon for the R.O. dispensing faucet.
Fig. 2
3. Using the connector opening in the side of the drain saddle as a guide, drill a 3/8"
hole through the wall of the drain pipe. (Fig. 3)
4. Remove drain saddle assembly. Place the adhesive foam pad over the 3/8" hole in the
drain pipe. Replace the assembly onto the drain pipe, aligning the hole in the drain with
the hole in the drain assembly.
5. Tighten the saddle bolts evenly on both sides unꢀl the saddle grips the pipe snugly -
do not overꢀghten. (Fig. 3)
Fig. 3
6. Insert the drain tube from the R.O. dispensing faucet through the drain saddle connec-
tor nut. Tighten the connector nut onto the drain saddle.
41840-A McAlby Court, Murrieta, CA 92562
(800) 451-9343, email: sales@nimbuswater.com
6
System Acꢀvaꢀon and Flushing
System Acꢀvaꢀon and Inspecꢀon
1. Check all tubing connecꢀons to ensure they are firmly seated. CHECK TO SEE THAT THE CARTRIDGE RETAINER CLIP IS
PROPERLY ENGAGED AND LOCKED. Failure to keep the retaining clip in place will result in accidental leaks and flooding.
2. Open the dispensing faucet at the sink. Close the tank shut-off valve.
3. Open the feed water valve to the system. Observe all tubing and connecꢀons for several minutes to detect any leaks.
In approximately 5 minutes, (assuming normal feed water pressure) the dispensing faucet should begin dripping.
4. Place a pan or other temporary water basin near the drain 'P' trap. Loosen the connector nut holding the 3/8" tube
in the drain saddle connector. Pull the tube out of the connector and use the pan to catch any water that may spill. Brine
water should be flowing from the tube. Reconnect the tube to the drain saddle and hand-ꢀghten the connector nut.
5. Allow the faucet the run for up to 15 minutes, then close the faucet.
6. Check for leaks at all connecꢀons.
7. Open the tank shut-off valve.
Iniꢀal Flushing Procedure
1. Before the system can be used for drinking water producꢀon it must be adequately flushed. Each reservoir tank is
dosed with a small amount of powdered saniꢀzer before shipment, typically a chlorinaꢀng agent, in order to ensure tank
internal cleanliness. Also, the carbon filter cartridge will release a small amount of carbon fines during the first tankful of
flow. This flushing procedure will allow any saniꢀzer or carbon fines to pass from the system.
2. Iniꢀal 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 automaꢀc shut-off valve inside the system will stop the feed flow through
the system. Actuaꢀon of the automaꢀc shut-off valve can be determined by either checking for a lack of brine flow to the
drain saddle, or by listening very closely near the dispensing faucet for absence of water flow sound though the air gap.
When the tank has filled for the first ꢀme, it should be leſt undisturbed for at least 8 hours to ensure proper saniꢀzaꢀon.
3. Aſter 8 hours has elapsed, open the dispensing faucet fully and allow the product water to run out to drain at maximum
flow. The iniꢀal discharge will be dark with the bulk of the carbon parꢀcle wash out. There may also be the scent of chlo-
rinated water from the saniꢀzing agent. When the flow has diminished to a fast drip or small stream, close the dispensing
faucet.
4. Fill and flush the tank at least three ꢀmes prior to use. If necessary, repeat unꢀl the chlorinaꢀon scent has disappeared.
It is important that the flush be done at maximum flow (e.g. the tank must be full) to assist in rapid wash out. Aſter this
flushing procedure the system is ready for normal use.
41840-A McAlby Court, Murrieta, CA 92562
7
(800) 451-9343, email: sales@nimbuswater.com
Installaꢀon Checklist
1. System is located where it will not be subject to physical impacts or rough contact by heavy objects.
2. Feed water pressure to the unit is no less than 40 psi and no greater than 80 PSI.
3. Ensure the plasꢀc retainer clip that holds the desalinator cartridge in place is fully engaged and locked in place. The slide
locks must snap into place in the slots. If the clip does not snap easily into place through the slots it means the cartridge is not
fully inserted into the connectors. Press top or boꢃom of cartridge to engage connectors unꢀl it snaps into place properly.
4. All tubing connecꢀons, especially push-in quick connecꢀons, are fully inserted.
5. Tubing connected between the faucet and the drain saddle fiꢂng (the fiꢂng aꢃached 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. Feed water valve is open.
7. Within one to two hours aſter iniꢀal applicaꢀon of water pressure, check again for leaks especially at the tank, faucet tub-
ing and connectors. These parts will not see full pressure unꢀl approximately 2 hours aſter the system is acꢀvated.
8. Flush three tankfuls of product water to drain. If a chlorine scent persists, repeat flushing procedure.
41840-A McAlby Court, Murrieta, CA 92562
(800) 451-9343, email: sales@nimbuswater.com
8
Maintenance
Cartridge Replacement
1. Close the feed water shut-off valve.
2. Close the tank shut-off valve.
3. Open the dispensing faucet to relieve system pressure. Close dispensing faucet when flow has stopped.
4. Remove the cover from the front of the system. Remove the retaining clip. Pull the cartridge off the system evenly at
top and boꢃom. Dispose of used cartridge.
6. Install the new cartridge, rocking gently from side to side as necessary unꢀl the cartridge tubes are properly engaged in
the unit connectors. Install the retaining clip, ensuring the slide locks snap into place in the slots. If the clip does not snap
easily into place through the slots it means the cartridge is not fully inserted into the connectors. Press the top or boꢃom of
the cartridge to engage the connector so that it snaps fully into place. Failure to properly install the retaining clip will result
in accidental leaks and flooding.
7. Turn on feed water shut-off valve and open dispensing faucet.
8. Close dispensing faucet aſter water starts running.
9. Observe system for any leaks, especially at newly replaced cartridge.
10. Open the tank shut-off valve.
11. The system should be flushed at least once as described above under Secꢀon 8.
Post Filter Replacement
1. Close the feed water shut-off valve.
2. Close the tank shut-off valve.
3. Open the dispensing faucet.
4. Close the dispensing faucet when the water stops flowing.
5. Locate the inline filter on the faucet line.
6. Remove the red locks from the collets.
7. Remove the tubing by depressing the collet in a downward direcꢀon and pulling the blue tubing from the filter.
8. Remove the other side of the feed tubing as described above.
9. Reverse the above steps to install the new inline filter, making sure that the tubing is pressed in as far as possible.
10. Turn on the feed water valve. Observe system for any leaks, especially at newly replaced cartridge.
11. Open the tank shut-off valve.
12. The system should be flushed at least once as described in System Acꢀvaꢀon and Flushing.
41840-A McAlby Court, Murrieta, CA 92562
9
(800) 451-9343, email: sales@nimbuswater.com
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