Page 1
Installation, Operation and
Maintenance Manual
254 Nanometer Germicidal
UV Disinfection Systems
Models
WA002 WA006 WA008 WA012
SmartStream™ UV
Chemical Free Disinfection of Water
!
WARNING
Read this Manual BEFORE using this
equipment. Failure to read and follow
all safety and user information can
result in death, serious personal injury,
property damage, or damage to the equipment.
Keep this Manual for future reference.
IOM-WQ-SmartStream-A
NOTICE
This system should only be installed and maintained by a qualified professional. The system
MUST be installed in accordance with all applicable national, state and local codes.
Introduction
The Watts SmartStream™ line of ultraviolet disinfection systems
provide protection against microbiological contamination in water for
residential and commercial applications.
Disinfection of water with SmartStream
process. When contaminated water is exposed to SmartStream's
254 nanometer UV light, the UV light penetrates the cell walls of microorganisms and disrupts their genetic deoxyribonucleic acid (DNA)
material. This quickly inactivates microorganisms by destroying their
ability to replicate and infect.
!
WARNING
DO NOT rely solely on this system to make
water safe to drink. SmartStream
tion systems are intended to be used as part of
a well designed water treatment system. Water
that contains microbiological contamination
should be tested regularly to ensure its quality
and safety at the point of use.
!
WARNING
DO NOT look directly at the UV lamp while it is
ON. Permanent serious eye injury could occur.
™
is a simple, rapid physical
™
UV disinfec-
™
SmartStream UV is certified by the Water Quality
Association (WQA) to NSF/ANSI Standard 372
for lead free.
™
Table of Contents
Installation Precautions ...................................2
System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Product Specification Tables ...............................4
Dimensions ............................................4
Feed Water Requirements .................................5
Installation Procedure ....................................5
Installation Diagram ......................................6
Maintenance ...........................................7
Parts List ..............................................7
Lamp and Quartz Sleeve Replacement ....................... 8
Disinfection Procedure....................................9
Troubleshooting.........................................9
Warranty and Conditions .................................10
Page 2
NOTICE
• DO NOT let the system freeze. System dam-
age may result.
• Install the system on a flat, and level surface.
• The quality of the water to be treated must
meet the feed water guidelines within this
manual. Failure to ensure proper pretreatment
will result in inadequate disinfection. Watts
™
SmartStream
UV systems are engineered
with the highest quality components. If at
anytime a component needs to be replaced,
use only parts recommended and supplied
by Watts. DO NOT add components to or
remove components from this system.
The UV lamp is rated for 9000 hours under
normal operating conditions and should be
replaced annually to keep the UV intensity at
the highest possible output. Quartz sleeves
should be cleaned as needed or replaced as
needed to guarantee the highest possible UV
transmittance into the water.
Use only Watts supplied UV lamps and quartz
sleeves for your specific model. Failure to do so
may result in system failure, injury, death, property damage and will void all warranty.
DO NOT use this system in a manner that it
is not intended for. This purifier is only for use
in water applications where the feed water,
installation environment and installation method
meets the requirements within this manual.
The system must be properly sized. DO NOT
exceed the rated flow rate capacity of the system. Flow controllers are available from Watts
to ensure system's rated flow is not exceeded.
Failure to comply with any and all written
instructions for this product may result in system failure, injury, death, property damage and
will void all warranty.
Follow all product safety labeling.
!
WARNING
Using SmartStream
™
with other water treat-
ment equipment.
™
SmartStream
UV units can be installed as a
final disinfection method within a water treatment
system train or as pretreatment to protect sensitive components, such as reverse osmosis membranes, from bio-films.
The injection of chemicals into the water should be
™
done on the outlet of the SmartStream
system to
ensure UV light degradation of the chemical or the
introduction of turbidity within the UV feedstream
does not occur.
A 5 micron particle filter should always be installed
™
immediately before the SmartStream
system.
Be certain that the feed water meets all criteria
within the Feed Water Specifications section of
this manual.
!
WARNING
Installation Guidelines
• DO NOT allow this system to remain ON with-
out water in it for extended periods of time.
• DO NOT install the system near any source
of heat. Also, DO NOT install the system near
any device or break out area that would be
adversely effected by water.
• DO NOT install this system higher in elevation
than 10,000 feet above sea level.
• DO NOT install the system backwards with the
feed water line connected to the outlet.
• DO NOT install where system is exposed to
harsh chemicals or may be subjected to being
struck by moving equipment, carts, mops or
any other item that may cause damage.
• DO NOT install the system outdoors. Keep
system away from moisture, rain, and direct
sunlight. Ambient air temperature must remain
below 122°F and relative humidity must remain
below 90%.
• DO NOT allow the system to freeze.
• The system MUST be mounted on a surface
and with mounting hardware that is sturdy
enough to support the weight of the wetted
system.
• The system MUST be plugged into an uninterrupted power supply that matches the rated
power requirement of the system.
• The system MUST be installed in accordance
with all applicable national, state and local
codes.
• A prefilter with a 5 micron minimum particle size
reduction must be installed on the inlet line to
the system. Additional pretreatment may be
necessary so that the feedwater conforms to
the Feed Water Specifications section on page
5.
• Plumbing materials sensitive to UV light, typically plastic materials, should not be connected
directly to the system. To prevent UV degradation at the plumbing connection points on the
system, use one foot minimum of copper or
stainless steel plumbing material to connect to
the inlet and to the outlet of the system.
• IF water hammer is evident, install water hammer arrestors before the system.
• Always back-up valves and fittings with a
wrench when constructing plumbing to reduce
unnecessary stress on the system and its
plumbing.
Position the system in a suitable location. Make
sure there is enough clearance between the end
of UV chamber and any obstructions, to allow for
the removal of the lamp and quartz sleeve.
SmartStream
installed as close as possible to the treated water's point of use.
2
™
UV disinfection systems should be
Page 3
System Specifications
SmartStream™ UV System Part Number Identification Key
Prefix "W" "Controller Series" "GPM" "Connection Type" "Pipe Size" "Plug" "Accessories"
Watts Controller Type
A: Controller A
GPM of System
(3-Digits)
Connection Port
Types:
A: NPT
B: BSP-Tapered
Pipe Size
B: 3/8"
C: 1/2"
D: 3/4"
E: 1"
A: North American
120V
B: European 220V
Accessories
X: No Accessories
Controller Features
SmartStream™ A series UV Controllers are designed with simplicity
in mind. Input power is converted to the correct voltage required by
the lamp for the production of UV light. During normal operation, the
LED indicator will be illuminated green. If the lamp burns out then
an audible alarm will sound and the Green/Red LED Indicator will
change from Green to Red. This informs the user that the system
requires servicing.
Series A Controller
System Features
304 SS Chamber
Lamp Out Audible Alarm
Lamp On Indicator (Green LED)
Lamp Out Indicator (Red LED)
Wall Mounting Clips for Chamber
Green/Red LED Indicator
A Series Controller With Lamp Out Alarm
GPM Rating 2 6 8 12
Model # WA002 WA006 WA008 WA012
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
3
Page 4
Product Specifications Table
MODEL WA002
FLOW RATE @ 30mJ/cm2 (at 1 year)
STANDARD NPT INLET / OUTLET PORTS 3/8" NPT-M 3/4" NPT-M 3/4" NPT-M 1" NPT-M
CHAMBER MATERIAL 304 SS
INPUT VOLTAGE 120 VAC 60 Hz or 230 VAC 50 Hz
SYSTEM MAX INPUT POWER (Watts) 18.6 26 32 45
LAMP MAX ELECTRICAL POWER (Watts) 14 21 29 40
VISUAL ALARM Green/Red LED
AUDIBLE ALARM Yes
AUDIBLE ALARM MUTE No
MIN/MAX AMBIENT AIR TEMPERATURE /
MAX HUMIDITY
INLET WATER TEMPERATURE RANGE 36°F ( 2°C) to 104°F ( 40°C)
MAX WATER PRESSURE 100 psi (689 kPa)
SHIPPING WEIGHT 4.6 lbs (2.1 Kg) 6.4 lbs (2.9 Kg) 8 lbs (3.7 Kg) 11 lbs (5 Kg)
usgpm
liters/min
2 gpm
7.6 lpm
32°F (0°C) to 122°F (50°C) / 90% RH (non-condensing)
WA006 WA008 WA012
6 gpm
22.7 lpm
8 gpm
30.3 lpm
Dimensions
12 gpm
45.4 lpm
A Series UV Systems
Model GPM A B C D E F
WA002 2 1.1 14.17 17.65 3.83 3.09 14
WA006 6 1.2 22.14 25.62 3.99 3.09 22
WA008 8 1.2 28.06 31.54 3.99 3.09 28
WA012 12 1.35 37.07 40.54 4.01 3.09 39
All dimensions are in inches.
NOTICE
* Allow this end clearance (F*) for the removal of
lamp and quartz sleeve.
FRONT SIDE
4
Page 5
Feed Water Requirements
Installation
Please review operating pressures, temperatures and water
chemistry limitations to ensure compatibility.
Max Water Pressure 100 psi (6.9 bar)
pH 6.5-8.5
Water Temperature 36°F to 104°F (2°C to 40°C)
Turbidity <5 Nephelometric Turbidity Units (NTU)
Iron (maximum) 0.3 mg/l
Manganese (maximum) 0.05 mg/l
Maximum Ambient
Atmospheric
Conditions
Oil & H2S None allowed
!
WARNING
Temperature 122°F / 50°C
90% Relative Humidity
Support the Piping
The full weight of the piping and valves must be
supported by uni-strut, pipe hangers or other
means.
!
WARNING
Inspect wall for hidden wiring before drilling any holes or
installing screws.
1. Remove all system components from packaging and
inspect for any damage. Confirm that the system being
installed matches the flow rate for the application.
2. Turn off water heater(s).
3. Turn off the main water supply valve to the pipe the system
will be installed in.
4. Relieve pressure within plumbing system by opening then
closing both the hot and cold sides of a faucet until water
ceases to dispense from faucet.
5. If equipped with isolation valves, isolate the water heater(s)
by closing its inlet and outlet valves.
6. Mount the UV system mounting clips on the installation surface using appropriate hardware for your mounting surface
type. Mounting screws have been provided for mounting
the system to wood. The mounting surface and hardware
must be sturdy enough to support the weight of the wetted
system.
7. Insert UV chamber through the mounting clips.
8. Connect the water supply pipe to the inlet of the UV system.
9. Install a supply valve in this supply line.
10. Install an adequately sized 5 micron cartridge filter in this
supply line after the supply valve. The cartridge filter must
have a higher flow rate rating than the UV system.
11. Connect the outlet of the system to the outlet plumbing.
12. Install a flow controller in this outlet plumbing (optional).
13. Install an outlet valve in this outlet plumbing line.
14*. Install the quartz sleeve into the UV chamber closed end first.
DO NOT touch the quartz sleeve with your fingers. Hold it with
a paper towel.
15*. Loosen the Phillips set screw on the side of the quartz
sleeve nut and separate the nut from the power cord.
16*. Install the quartz sleeve nut o-ring onto the visible end of
the quartz sleeve. Screw the quartz sleeve nut onto the
quartz sleeve port thread and tighten hand tight.
17*. Install the ultraviolet lamp into the quartz sleeve. DO NOT
touch the lamp with your fingers. Hold it with a paper towel.
Note: Only the 120 volt system uses the strainrelief and grounding set screw. The 230 volt systems has only the 4 pin plug and
rubber cap. See page 8.
18*. Insert the lamp power lead wire into the receptacle on the
lamp and rejoin the two halves of the quartz sleeve nut.
Tighten the Phillips set screw on the side of the quartz
sleeve nut.
19. Open water supply valve.
20. Check for leaks and repair as needed.
21. Plug power cord into an outlet that is protected by a ground
fault interrupt.
22. Open outlet valve.
23. Purge air from plumbing system out of the nearest cold
water faucet to the UV system.
24. Open inlet and outlet isolation valves on water heaters(s)
and turn water heaters back on.
25. Perform the sterilization procedure within this manual.
* For assistance with installation steps 14-18 see replace-
ment procedures for lamp and quartz sleeve within this
5
manual.
Page 6
Typical Installation Diagram
6
Page 7
Parts List
ITEM QTY. ORDERING CODE DESCRIPTION
1a 1 - UV CHAMBER 2.5" OD 2 GPM 3/8" MNPT FOR A SERIES
1b 1 - UV CHAMBER 2.5" OD 6 GPM 3/4" MNPT FOR A SERIES
1c 1 - UV CHAMBER 2.5" OD 8 GPM 3/4" MNPT FOR A SERIES
1d 1 - UV CHAMBER 2.5" OD 12 GPM 1" MNPT FOR A SERIES
2a 1 WUVQS2 UV QUARTZ SLEEVE FOR 2 GPM 330MM X 24.5MM A SERIES
2b 1 WUVQS6 UV QUARTZ SLEEVE FOR 6 GPM 530MM X 24.5MM A SERIES
2c 1 WUVQS8 UV QUARTZ SLEEVE FOR 8 GPM 680MM X 24.5MM A SERIES
2d 1 WUVQS12 UV QUARTZ SLEEVE FOR 12 GPM 910MM X 24.5MM A
3 1 HSFSUVOR UV QUARTZ SLEEVE O-RING FOR A SERIES
4a 1 WUVLAMP2 UV LAMP FOR 2 GPM A SERIES
4b 1 WUVLAMP6 UV LAMP FOR 6 GPM A SERIES
4c 1 WUVLAMP8 UV LAMP FOR 8 GPM A SERIES
4d 1 WUVLAMP12 UV LAMP FOR 12 GPM A SERIES
5a 1 T7402000 UV CONTROLLER ASSEMBLY FOR 2 GPM A SERIES USA
5b 1 T7402003 UV CONTROLLER ASSEMBLY FOR 6-12 GPM A SERIES USA
5c 1 T7402001 UV CONTROLLER ASSEMBLY FOR 2 GPM A SERIES EURO-
5d 1 T7402004 UV CONTROLLER ASSEMBLY FOR 6-12 GPM A SERIES
6 2 - UV MOUNTING CLIPS FOR 2.5" CHAMBER
7 1 T7402006 QUARTS SLEEVE NUT 2 PIECE WITH GROUND ADAPTOR
SERIES
120V PLUG WITH STRAIN RELIEF FOR QUARTZ SLEEVE NUT
120V PLUG WITH STRAIN RELIEF FOR QUARTZ SLEEVE NUT
PEAN 220V PLUG WITH STRAIN RELIEF FOR QUARTZ SLEEVE
NUT
EUROPEAN 220V PLUG WITH STRAIN RELIEF FOR QUARTZ
SLEEVE NUT
AND TEFLON WASHER
NOTICE
Maintenance
UV Lamps have a 1 year (9000 Hour) life span under normal operating conditions.
Quartz sleeves should be cleaned with vinegar, citric acid, or a lime
scale removing chemical annually, and replaced no less than once
every 3 years. If the quartz sleeve can not be cleaned, or if it is discolored, is must be replaced.
Pre filters should be maintained according to the manufacturer's
instructions to ensure feed water requirements within this manual are
met.
7
Page 8
Lamp and Quartz Sleeve Replacement Procedure
!
WARNING
If any water comes in contact with any electrical components, dry the components immediately. DO NOT energize a system with damp
or wet electrical components.
1. Disconnect the power supply from the wall outlet.
2. Turn off the inlet valve and outlet isolation valves.
3. Loosen the Phillips set screw on the quartz sleeve nut and
separate the nut into its two halves by pulling on the back
half of the nut.
4. Carefully withdraw lamp approximately 2 inches from chamber and disconnect the lamp lead wire from lamp. Remove
the lamp from the UV chamber. If not replacing the quartz
sleeve proceed to step 11.
5. De-pressurize the system.
6. Grip the quartz sleeve nut with your hand and unscrew counter clockwise until it can be disconnected from the reactor
chamber's threaded port.
120 Volt Lamp Connection
7. Remove the quartz sleeve from the reactor chamber.
8. Fully insert a new quartz sleeve into the reactor chamber. Be
careful not to force the quartz sleeve, breakage may occur.
Then install the o-ring over the quartz sleeve.
9. Install the quartz sleeve nut onto the threaded port of the
reactor chamber. Screw the quartz sleeve nut on clockwise
and tighten hand tight.
10. Turn on the inlet valve and check for leaks. Repair leaks as
needed.
11. Insert a new lamp into the quartz sleeve.
12. Reconnect the lamp lead wire to the new lamp and press
the chamber nut’s two halves back together. Then tighten
the Phillips set screw.
13. Restore power to the system.
14. Verify LED Indicator is green.
Immediately after replacement of the UV lamp, and/or quartz
sleeve, follow the disinfection procedure within this manual.
230 volt Lamp Connection
8
Page 9
Disinfection Procedure
NOTICE
DO NOT unplug the system.
1. Shut off the isolation valves on the cartridge prefilter.
2. De-pressurize the cartridge prefilter and unscrew the
housing.
3. Install a new prefilter cartridge and pour 1 cup of 6% bleach
into the housing. If an activated carbon cartridge is part of
the prefiltration system it must be removed during the disinfection procedure.
4. Reinstall the filter housing and open up the prefilter isolation
valves.
5. Flush 2 reactor chamber volumes of water through the UV
system then stop and let the solution remain in the UV system for 30 minutes.
6. After 30 minutes, flow enough water through the system to
flush all of the residual chlorine from the system. During this
time DO NOT exceed the rated flow rate of the UV system.
If applicable install a new activated carbon cartridge into the
prefilter housing at this time.
Troubleshooting
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Bacteria in outlet water Low or no UV transmittance into the water Replace lamp
Clean or replace quartz sleeve
Replace prefilter
Confirm the pretreatment is adequate
Confirm the feed water meets the feed water requirements within this manual
Biofilm in outlet plumbing Plumbing needs to be sterilized
System not on Confirm continuous power supply
Low power to lamp Replace controller
Low UV intensity Lamp over 1 year old Replace lamp
Fouled quartz sleeve Clean or replace quartz sleeve
Fouled prefilter Replace prefilter
High turbidity in feed water Confirm the pretreatment is adequate
Confirm the feed water meets the feed water requirements within this manual
Low power to lamp Replace controller
White or milky colored water Air in water from new prefilter or quartz
sleeve replacement
Lamp out alarm ON Filaments broken in lamp Replace lamp
Lamp power wire not fully connected to
lamp
Low pressure after system Clogged prefilter Replace prefilter
Quartz sleeve nut leaks Quartz sleeve nut loose Tighten quartz sleeve nut
O-ring is defective Replace o-ring
Flow water through the system until water runs clear
Ensure proper connection
NOTICE
All problem conditions called out within this troubleshooting chart require the disinfection procedure to be conducted after the
corrective action has been completed.
9
Page 10
Limited Warranty
Watts Regulator Co. (the “Company”) warrants its SmartStream™ ultraviolet disinfection product to be free from defects in material and
workmanship under normal usage for the following periods beginning on the date of original shipment:
• Stainless steel reactor chamber – 10 years
• Flow Switch – 3 years
• Electronics and ballast – 5 years prorated
• UV lamp, quartz sleeve, UV sensor and all other components - 1 year
In the event of such defects within the applicable warranty period, the Company will, at its option, repair or replace the product without charge. Defective components are subject to inspection by the Company before any warranty remedy is provided. The Company
will cover the cost of shipping any repaired or replaced product to you in the event the original product was found by the Company
to be defective. The Company reserves the right to make changes or substitutions in defective parts or components with material of
equal quality or value.
A return authorization number, issued by the Company, is required before returning any product to the Company for warranty claim
evaluation. You must provide the product model number, serial number, and invoice number when making a warranty claim within
the applicable warranty period. The original serial number and model number labeling must be intact on any product at the time any
warranty claim is made in order for it to be eligible for a warranty remedy. You are responsible for the cost of shipping any defective
product to the Company for inspection. Damage caused by improper handling while the product is in transit is not covered by this
limited warranty. This limited warranty is provided by the Company to the original purchaser and is non-transferable.
Conditions
The SmartStream™ product must be installed in applications with water quality adhering to the Feed Water Quality Guidelines set forth
in the Company’s most recently published installation and operation manual or other published product specification sheet. The product must be installed and operated in compliance with the Company’s published installation and operation manual, product specification sheet, and local plumbing codes. This product must be installed in connection with an approved water supply. This product
must be operated at water pressures and temperatures that do not exceed the Company’s published specifications. This product
is limited to use within atmospheric environments indoors that are within ambient temperature limitations, free from external water
contact, where relative humidity is below 95% non-condensing, and that are noncorrosive to the product’s materials of construction,
including its electronic components.
The use of any unauthorized or inappropriate replacement parts will void this limited warranty.
THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY WITH
RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED. THE COMPANY
HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
The remedy described above in this Limited Warranty shall constitute the sole and exclusive remedy for breach of warranty, and the
Company shall not be responsible for any incidental, special or consequential damages, including without limitation, lost profits or the
cost of repairing or replacing other property which is damaged if this product does not work properly, other costs resulting from labor
charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemical, or any
other circumstances over which the Company has no control. This warranty shall be invalidated by any abuse, misuse, misapplication,
improper installation or improper maintenance or alteration of the product.
Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion or limitation
of incidental or consequential damages. Therefore the above limitations may not apply to you. This Limited Warranty gives you specific
legal rights, and you may have other rights that vary from State to State. You should consult applicable state laws to determine your
rights. SO FAR AS IS CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIED WARRANTIES THAT MAY NOT BE DISCLAIMED,
INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN
DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT.
IOM-WQ-SmartStream-A 1909 EDP#2915189 © 2019 Watts
USA: Tel: (800) 659-8400 • Fax: (800) 659-8402 • Watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • Watts.ca
Latin America: Tel: (52) 81-1001-8600 • Watts.com
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