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B. Tools Recommended for Reverse Osmosis 
Installation 

 

 

 

 
C. Site Selection for Major System Reverse 
Osmosis Components 

The following tools will cover most of the 
Reverse Osmosis installation sites 
encountered: 

 

1.  3/8" variable speed electric drill. 

 

2.  Extension work light with outlet. 

 

3.  Safety glasses. 

 

4.  11/4" Greenlee hole punch and 1/8" and  

½"metal drill bits for pilot hole. 

 

6.  Center punch and hammer. 

 

7.  11/4" wood bit. 

 

8.  Concrete drill bits. 

 

The Reverse Osmosis  System was designed to fit 
under a sink, however, because of space limitations 
or other reasons, the Reverse Osmosis system's 
flexible design allows for other locations. When 
determining the location of your Reverse Osmosis 
system remember that access to a cold water tap 
line, the household drain, and ease of Reverse 
Osmosis filter replacement are important 
considerations. 
All Reverse Osmosis components and tubing 
should be located in an area not exposed to 
freezing temperatures. If winter temperatures are 
sever, the area should be above the minimum 
temperature listed in Table B, page 2 for proper 
performance. Do not expose Reverse Osmosis 
system or tubing to direct sunlight. 

9.  Assorted wood and metal drill bits including 

7/32" metal drill bit. 

 

10. Phillips head and flat blade screwdrivers. 

 

11. ½", 9/16" and 5/8" open end wrenches. 

 

12. 10" Crescent wrench with jaws taped to 

hold faucet. 

 

13. Basin wrench or 10" pipe wrench. 

 

14. Teflon tape. 

 

15. Wide masking tape or duct tape. 

 

16. Plastic tubing cutter. 

 

1.  Reverse Osmosis Drinking Faucet

 – The 

Reverse Osmosis faucet should be placed near 
the sink where drinking water is normally 
obtained. Convenience of use (filling of water 
pitchers and glasses), and an open area 
beneath the Reverse Osmosis faucet under the 
sink for attaching product and Reverse Osmosis 
drain tubing are considerations. A 2" diameter 
flat surface is required above and below the 
Reverse Osmosis installation site. The thickness 
of the mounting surface should not exceed 1 ¼”  

17. Extra plastic tubing. 

 

18. Low range air pressure gauge. 

 

19. Small bottle of liquid chlorine bleach. 

 

20. Paper towels, wisk broom and assorted 

clean up materials. 

 

 

 

 

 

2.  Reverse Osmosis Holding Tank

 – The 

Reverse Osmosis Holding Tank may be placed 
where it is convenient within 10 feet of the 
Reverse Osmosis faucet; under the sink, in an 
adjacent cabinet are the best choices or in a 
basement within 20 feet of the Reverse Osmosis 
faucet. If a longer run of Reverse Osmosis 
tubing is required, the tubing should be the 3/8" 
diameter OD size to prevent a high pressure 
drop within the Reverse Osmosis System. 

 

 

3.  Reverse Osmosis  Manifold Assembly

 – The 

Reverse Osmosis  manifold can be installed on 
either the right or left side of the under-sink area 
or a cabinet. The right side is recommended 
because all the Reverse Osmosis tubing will be 
to the back of the cabinet and out of the way. 
Reverse Osmosis Installation in the basement is 
also an option; one location is near the 
laundry/utility sink where cold potable water and 
rain access are handy. The mounting location 
should allow adequate clearance and 
accessibility for Reverse Osmosis cartridge 
changes. 

 

 

Summary of Contents for EWR 4050

Page 1: ...Model EWR 5100P Model EWR 5075 Model EWR 4050 INSTALLATION OPERATION SERVICE MANUAL Barrie Ontario Canada L4N 4Y8 www excaliburwater com REVERSE OSMOSIS DRINKING WATER SYSTEMS...

Page 2: ...ICRO COMPUTER INFORMATION 12 18 REVERSE OSMOSIS TROUBLESHOOTING GUIDE 19 20 REVERSE OSMOSIS DRAWINGS FILTER CHANGE 21 CAUTION The Centers for Disease Control and Prevention CDC and the Environmental P...

Page 3: ...and odours The Reverse Osmosis carbon block in the Pre filter will remove chlorine that may be present in the feed water This Reverse Osmosis pretreatment is necessary for membrane protection REVERSE...

Page 4: ...Osmosis Housings Housing O rings 3 Reverse Osmosis Drinking Water Holding Tank 4 Reverse Osmosis Dispensing Faucet 5 Reverse Osmosis Feed Water Ball Valve 6 Reverse Osmosis Drain Clamp 12 Other items...

Page 5: ...BALL...

Page 6: ...tter 1 Reverse Osmosis Drinking Faucet The Reverse Osmosis faucet should be placed near the sink where drinking water is normally obtained Convenience of use filling of water pitchers and glasses and...

Page 7: ...osis Faucet Installation 2a Drilling a stainless steel sink Center punch the hole to provide a starting point for the drill Start with a smaller drill as a pilot and then drill a diameter hole to acce...

Page 8: ...LONG REACH FAUCET Figure 2A 6...

Page 9: ...rew the pipe with the FIP fitting onto the opposite end of Reverse Osmosis feed water ball valve Remove nut from the Reverse Osmosis feed water ball valve Slide the nut onto the reverse osmosis tubing...

Page 10: ...le through the wall of the drain pipe 3 Locate the 3 8 Black Drain Tubing connected to the Reverse Osmosis System Route to the Reverse Osmosis tubing to the Drain Clamp and trim to length CAUTION The...

Page 11: ...everse Osmosis Housings add one capful of bleach in each Engage and firmly tighten the Housings hand tight only Slowly open the Reverse Osmosis Feed Water Ball Valve turning counter clockwise As soon...

Page 12: ...y turning fully clockwise and open the Re4verse Osmosis Dispensing Faucet by lifting the handle Allow the REverse Osmosis Holding Tank to empty 2 Loosen and remove the Reverse Osmosis Sediment Pre fil...

Page 13: ...st Filter Disconnect the used Reverse Osmosis Post Filter by pressing in the connector s collar and at the same time pulling the tube out of the fitting Unscrew the fittings on the In Line re Teflon t...

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Page 21: ...Filter is plugged Replace Post Filter Empty water from Reverse Osmosis Holding Tank and with the faucet open adjust air pressure to 5 7 psig 35 48 kPa range Air pre charge in the Reverse Osmosis Holdi...

Page 22: ...sis Feed Water Pre treat Reverse Osmosis Feed Water to remove dissolved gasses Tastes and odors in the Reverse Osmosis Product Water Increase in Product Water TDS See high TDS in the Reverse Osmosis P...

Page 23: ...21 Formatted Bottom 0 5...

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