Watts Pure Water PWDWUV3 User Manual
Installation, Operation
and Maintenance Manual
3-Stage Ultraviolet Systems
Model PWDWUV3
PURE WATER
Important
Please read the entire manual before proceeding with the
installation and startup. Your failure to follow any attached
instructions or operating parameters may lead to the product’s
failure.
Save manual for future reference.
This system has been designed to fit under most kitchen sinks.
DO NOT TOUCH THE UV LAMP OR QUARTZ TUBE AT ANY
TIME WITH BARE HANDS OR FINGERS.
Fingerprints or skin oils on the lamp and tube assembly may reduce
UV functionality.
This system requires a GFCI electrical outlet at point of
installation.
IOM-WQ-PWDWUV3
PWDWUV3
Table of Contents Pages
Mounting System Under Sink ..............................2
Installation of Faucet .....................................3
Adapt-A-Valve™ Installation ...............................4
Start up Instructions .....................................4
Recommended Replacement Schedule....................... 5
Filter Element Cartridges ..................................5
Filter Change ...........................................5
UV Lamp, Cap and Quartz Tube ............................5
Parts List ..............................................6
Limited Warranty ........................................8
Note: 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 waters that may contain filterable cysts.
Introduction
Thank you for your purchase of a Watts Pure Water under counter filtration system with UV. With proper installation and mainte-
nance, this system will provide you with high-quality water for years
to come. All of Watts Pure Water water enhancement products are
rigorously tested by independent laboratories for safety and reliability.
STEP 2
Drill a Hole for the Faucet in a Porcelain Sink
Note: Most sinks are predrilled with 1½" or 1¼" diameter hole
that you can use for your RO faucet. (If you are already using it
for a sprayer or soap dispenser, see Step 2).
Caution: Porcelain sinks are extremely hard and can crack or
chip easily.
Use extreme caution when drilling. Watts accepts no responsibility for damage resulting from the installation of faucet.
Counter
Top
Sink
Green Tubing
Hot
Cold
Blue Tubing
STEP 1
Mounting System Under Sink
Step A Locate a space under the sink that allows the unit to be
Step B Using the mounting hole on the bracket, mark the loca-
Step C Screw the (2) screws into the wall at the marked locations.
Step D The UV modules bracket is designed to be mounted
mounted close to the cold water supply and allows for
easy access during maintenance and filter changes. Allow
2" (50mm) clearance between the bottom of the filter
housing and the floor of the sink cabinet.
tion for the mounting screws on the cabinet wall under the
sink.
without removing the screws. Hang the UV module on the
screws using the mounting holes in the bracket.
Step A – Determine desired location for
Step B – Using a variable speed drill
Step C – Using a 1¼" hole saw, pro-
Step D – Make sure the surroundings
the RO faucet on your sink
and place a piece of masking
tape on over where the hole is
to be drilled. Mark the center
of the hole on the tape.
set on the slowest speed, drill
1
⁄8" pilot hole through both
a
porcelain and metal casing
of sink at the marked center
of the desired location. Use
lubricating oil or liquid soap to
keep the drill bit cool. (If drill
bit gets hot, it may cause the
porcelain to crack or chip).
ceed to drill the large hole.
Keep drill speed on the slowest speed and use lubricating
oil or liquid soap to keep the
hole saw cool during cutting.
of the sink are cooled before
mounting the faucet to the
sink after drilling and remove
all sharp edges.
OR
Punch a Hole for the Faucet in a Stainless
Steel Sink
Note: If mounting faucet to a Stainless
Steel Sink, you will need a 1¼" Hole
Punch. The faucet opening should be
centered between the back splash
and the edge of the sink, ideally on the
same side as the vertical drain pipe.
1
Step A – Drill a ¼" pilot hole. Use a
Hole Punch and an adjustable
wrench to punch the hole in the
sink. Change to the 1¼" Hole
Punch to enlarge the hole
The faucet can now be installed.
2
⁄2"
STEP 3
Non-Airgap Faucet Installation
Standard Faucet Installation
1
2
3
4
5
6
7
8
9
10
1. Long Reach Spout
2. Handle
3. Faucet Body
4. Escutcheon Plate
5. Black Rubber Washer
6. Stem Bolt
7. Black Locating Washer
8. Small Black Washer
9. Star Washer
10. Lock Nut
11. Tube Insert
12. Delrin Sleeve
13. Compression Nut
11
12
13
Figure A: List of Parts and Assembly in Exploded View
Gather and identify the faucet pieces.
Step A - Place the escutcheon chrome plate and the black rubber
washer on the faucet shank . (Parts found in faucet parts
bag) .
Step B - Insert the faucet shank through the hole in sink and let it
rest on the sink top .
Step C - From the underside of the sink, slide on the location wash-
er, star washer and Lock nut onto the stem bolt . Check for
orientation the tighten lock nut securely .
Step D - Locate the Blue tube from the Filters . Measure the tube
from the unit over to the faucet and cut it to the desired
length . Remove a the compression nut, plastic sleeve and
tube insert from the parts bag . To assemble, place the
compression nut on the tube first, then the sleeve (small
tapered end of the sleeve must point to the end of tube)
and then insert the tube insert all the way into the end of
the tube .
Figure B: Complete Assembly
Step E - Push the assembled blue tube into the faucet until it stops
. Slide compression nut and plastic sleeve down until you
can thread nut onto the faucet . Use a wrench to securely
tighten the compression nut while continuing to push the
tube into the faucet
3
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