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Installation, Operation and Maintenance Manual

4

1.  Determine System Location (see Figures 1 and 2)

The Drinking Water Filtration System can be located under a sink or in a basement depending on space avail-
ability and preference. If a basement installation is selected, additional tubing, hardware and fi ttings may be 
needed and a hole will have to be made from inside the cabinet, through the fl oor, to the basement.

Space Requirements

NOTE: Never install the fi ltration system in an area of the home 
where the temperature may drop to freezing as damage to the 
system will result.

The exact placement of the various components of the fi ltration 
system will vary from installation to installation. The installer must 
decide on where to place the faucet, tank and purifi cation assembly 
by balancing convenience with ease of installation and servicing.

Considerations for an icemaker or other remote hookup should be predetermined, including plumbing rout-
ing and any additional tools, fi ttings and tubing that may be required.

Feedwater Conditions 

Parameter

pH 4-11
Manganese 

< 0.05 ppm (mg/L)

Hardness 

< 350 ppm (mg/L)

Hydrogen Sulfi de 

None allowable

Iron (FE) 

< 0.3 ppm (mg/L)

Organics 

< 1 ppm (mg/L)

Free Chlorine 

Up to 3 ppm (mg/L)

Temperature 40-100°F 

(4-38°C)

Turbidity < 

NTU

TDS 

Up to 2,000 ppm

Min./Max. Feedwater pressure 40-100 psi (276-690 kPa)

2.  Prepare the Area for Installation

Determine where components will be located and how they will be mounted. Special mounting brackets 
and hardware may be necessary to secure the system to a wall or ceiling joists if a basement installation is 
called for. Inspect the cold water supply line and drain to determine if any additional fi ttings are required.

NOTE: It is a good idea at this time to check the condition of the undercounter plumbing for any existing or 
potential leaks.

3.  Prepare the Drinking Water Filtration System for Installation

Open the shipping carton and remove components. Check that all of the installation parts are present which 
include the reverse osmosis (RO) assembly, storage tank, faucet, installation hardware, and tubing located 
in box under storage tank.

If an optional percent rejection monitor is used, the probes should be installed at this time. Follow the in-
structions that come with the monitor.

14 5/8" NOM

6 1/2"

14 1/8" NOM

1 1/2"

Minimum Distance

Required To Remove

Cartridges 

To reduce the risk associated with property damage due to 
water leakage:

 • 

Protect from freezing

.  Drain fi lter when temperatures drop below 

40°F (4.4°C).

 • 

Do not

 install if water pressure exceeds 125 psi (862 kPa).  If 

your water pressure exceeds 125 psi, you 

must

 install a pres-

sure limiting valve.  Contact a plumbing professional if you are 
uncertain how to check your water pressure.

CAUTION

Summary of Contents for AP-RO5500

Page 1: ...ructions For Aqua Pure AP RO5500 Reverse Osmosis Drinking Water Filtration System Installer Please leave manual with homeowner Homeowner Please retain for operation and future maintenance instructions...

Page 2: ......

Page 3: ...during the installation of this product To reduce the risk associated with eye skin and respiratory and digestive tract burns from Calcium Hypochlorite during installation Calcium Hypochlorite CAS 777...

Page 4: ...plastic fittings Do not install in direct sunlight Do not install near water pipes which will be in path of a drilling tool when selecting the position to mount the bracket Mount filter in such a pos...

Page 5: ...first use NOTE Make sure that the Owners Warranty Record Card is filled out and mailed within 10 days of installation Installation Checklist and Table of Contents 1 Determine System Location 4 2 Prep...

Page 6: ...Up to 2 000 ppm Min Max Feedwater pressure 40 100 psi 276 690 kPa 2 Prepare the Area for Installation Determine where components will be located and how they will be mounted Special mounting brackets...

Page 7: ...wing the two halves together Use the V side of the bracket Tighten screws evenly and firmly keeping the two sides of the bracket parallel E Turn saddle valve handle to the right to close valve If valv...

Page 8: ...ugh the opening B Drill a 1 4 hole at the marked spot through one side of drain tailpiece C Position both halves of drain saddle on drain pipe so the threaded opening lines up with the hole in the dra...

Page 9: ...of porcelain must be penetrated through to the base metal Second a center disc of porcelain must be removed while protecting the surrounding porcelain against chipping or fracturing Third the base met...

Page 10: ...plastic sleeve B Connect the 3 8 x 1 4 adapter that was used to fill tank to the 1 4 blue faucet tube C Route black 3 8 tubing from faucet air gap module to drain saddle so that it slopes continuously...

Page 11: ...r sus pended from the ceiling supports using sturdy brackets An effort should be made to minimize the distance between the tank and RO assembly to help assure an adequate flow rate to the faucet 12 Ma...

Page 12: ...idge 1 4 turn to the right clockwise to lock into place 15 Start Up The System A Double check that all connections are secure B Turn on feedwater saddle valve and check for leaks If any leaks are note...

Page 13: ...ain saddle without loops or low spots B Angle drain piping so reject water runs down side of drainpipe C Change location of drain saddle to horizontal drain pipe or alternate vertical drain pipe farth...

Page 14: ...cessary to twist the cartridge slightly from side to side to help free it C Remove new filter cartridges and the sanitary sealed wrapper from the box Double check to see that it is the correct replace...

Page 15: ...ure RO storage tanks need a special sanitizing agent which is activated when the storage tank is initially filled See Section 5 in the Installation Manual B After any servicing or routine maintenance...

Page 16: ...ace cartridges in a plastic bag with air tight seal and store in refrigerator Cartridges must not be al lowed to freeze or permanent damabe may occur D When RO filtration system is ready to be put int...

Page 17: ...w 1 4 Green 3 8 Blue RO Assembly 1 4 Orange Air gap device eg Gap A Flow To laundry sink standpipe or floor drain Floor Undersink Area For best flow keep tubing from Tank to RO Assembly as short as po...

Page 18: ...NEVER mount here Mount drain saddle at either location Hole should be located on top of the pipe Drain saddle elbow Drain saddles Drain Connection horizontal example C L Base plate Rubber washer Slott...

Page 19: ...Installation Operation and Maintenance Manual NOTES 17...

Page 20: ...ally defective malfunctioning or otherwise in violation of this warranty If CUNO for any reason cannot repair a Product covered hereby within two 2 weeks after receipt of the original purchaser consum...

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