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WTA Series Ultraviolet Water Disinfection System
Installation, Operation and Maintenance Manual
Models WTA-4, WTA-7, WTA-10 & WTA-15
KEEP THIS MANUAL ON HAND
IMPORTANT: Anyone responsible for the installa on, maintenance or opera on of this equipment must have a
thorough understanding of the instruc ons and safety requirements before a emp ng to install this system.
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Table of Contents
Summary of Contents for Neptune WTA Series
- Page 1 WTA Series Ultraviolet Water Disinfection System Installation, Operation and Maintenance Manual Models WTA-4, WTA-7, WTA-10 & WTA-15 KEEP THIS MANUAL ON HAND IMPORTANT: Anyone responsible for the installa on, maintenance or opera on of this equipment must have a thorough understanding of the instruc ons and safety requirements before a emp ng to install this system.
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Page 2: Table Of Contents
Table of Contents What’s In The Box (Component List) ............3 Safety Instructions ..................4 1) Information ....................5 2) About Ultraviolet (UV) Disinfection ............5 3) Safety Precautions ..................6 4) Preparation For Installing UV System ........... 7 a) System Inspection ......................7 b) Water Quality ........................ -
Page 3: What's In The Box (Component List)
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Page 4: Safety Instructions
SAFETY INSTRUCTIONS In order to protect end users and operators from injury, safety precautions must be followed. This Installation, Operation and Maintenance Manual (IOM) outlines important safety issues. The following WARNING SYMBOLS will be found throughout the manual to alert the end users to take important precautions: EYE PROTECTION This symbol indicates that eye protection must be worn to... -
Page 5: Information
1) Information Please read this manual prior to installing, starting up and operating the equipment. The equipment uses the latest in UV technology, and has been designed to make operation and maintenance easy. Your UV system needs to be maintained and does require annual replacement parts. We recommend that key spare and replacement parts be kept on hand. -
Page 6: Safety Precautions
Avoid exposure to UVC radiation. WTA Series UV System should only be used for its’ intended purposes as described in the IOM Manual. The use of attachments not recommended or sold by manufacturer may cause an unsafe condition. -
Page 7: Preparation For Installing Uv System
All WTA Series models are rated for a UV Transmission (UVT) rate of 95% or greater. If your UVT is less than 95%, contact your water professional. -
Page 8: D) Location Selection
d) Location Selection Select a location that meets the following guidelines: The unit must be installed between the cold water source and the water heater as inlet temperature must not exceed 100°F. (See Figure 1 for proper installation sequence.) The disinfection unit can be installed either horizontally or vertically. (See Figure1 for water flow direction.) The unit must be within 5’... -
Page 9: Installation Instructions
5) INSTALLATION INSTRUCTIONS Your WTA Series UV System can be mounted either horizontally or vertically. WATCH FOR CLEARANCE! Be sure to allow a minimum clearance of the length of the unit plus 4” from the unit to any obstruction on one end in order to be able to replace the lamp and quartz sleeve. -
Page 10: A) Quartz Sleeve Installation
a) Quartz Sleeve Installation The quartz sleeve surrounds the lamp and prevents water from contacting the lamp and electrical parts. The sleeve is made of pure fused quartz which allows 99% of the ultraviolet light to pass through. The quartz must be kept clean and free of organic buildup to ensure optimum ultraviolet transmission. - Page 11 Be very careful when installing the gland nuts over the quartz sleeve. Tighten each gland nut simultaneously by hand making sure that the sleeve protrudes from each nipple equally. ONLY TIGHEN BY HAND – NEVER USE PLIERS. Make sure as you tighten the gland nut that you maintain a clearance between the stop ridge machined in the gland nut and the edge of the quartz sleeve.
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Page 12: B) Lamp Installation
b) UV Lamp Installation The UV lamp is very fragile. Do not handle it with bare hands. Use clean cotton gloves or cloth when handling lamp to keep it free of dust or fingerprints. If dust or fingerprints get on the lamp, wipe it with a clean cloth and denatured alcohol. -
Page 13: C) Plumbing System Sanitization Procedure
c) Plumbing System Sanitization Procedure It is recommended before the initial use of your UV disinfection system and after routine maintenance procedures, to sanitize your water system to ensure that no organisms are present.. Water in the well and storage tank should be treated with a strong chlorine solution to destroy disease organisms. -
Page 14: Operation
6) OPERATION Your WTA Series ultraviolet disinfection system will provide years of safe, effective and reliable disinfection with minimal routine maintenance. Establish and implement a routine physical monitoring and maintenance schedule. Monitor the ultraviolet lamp display on the ballast. Immediately replace any failed lamp. -
Page 15: Maintenance
7) MAINTENANCE a) UV Lamp Maintenance Your WTA Series ultraviolet disinfection system will give many years of safe and effective disinfection service with minimal routine maintenance. Replace your UV lamp on an annual basis UV lamps lose intensity over the 9000 hours rated life, roughly one year of continuous use. -
Page 16: B) Quartz Sleeve Cleaning Procedure
b) Quartz Sleeve Cleaning Procedure Significant film or debris deposits formed on the quartz sleeves will impair the ability of the Ultraviolet rays to penetrate through the quartz and into the water. To a great extent, your frequency of cleaning will depend upon the water quality. -
Page 17: D) Replacement Parts List
WTA Series Replacement Parts List WTA-RB 100-240V 50/60Hz WTA-RB1 120V 60Hz WARNING: Ultraviolet rays are harmful to the eyes and skin. UV system must be unplugged before performing any maintenance. Item # Descrip on WTA-4 WTA-7 WTA-10 WTA-15 Power Supply WTA-RB1 WTA-RB1... -
Page 18: Technical Specifications
TECHNICAL SPECIFICATIONS Table 3 Dosage vs Flow Rate – WTA UV Series WTA-4 WTA-7 WTA-10 WTA-15 Flow rate for UV dosage of 40 mJ/cm² at end of 2 GPM 3.5 GPM 5 GPM 8 GPM lamp life (9,000 hours-1 year)* Flow rate for UV dosage of 30 mJ/cm²... -
Page 19: Troubleshooting
Troubleshoo ng Situa on Recommended Ac on Check to see that the compression nut is ght. Verify that inlet pressure does not exceed 100 PSI. Make sure the O-Ring is seated properly. Lubricate O-Ring with food grade silicone. Unit is leaking Check O-Ring for cracks or tears. -
Page 20: Warranty Information
Limited Warranty Quality industrial water treatment products are provided with a limited warranty. These units carry a warranty to be free from defects in materials and workmanship for one year from date of purchase under the condi ons of normal usage and service for the complete system and a four year warranty for the treatment chamber. -
Page 21: Mechanical Drawing
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Page 22: Maintenance Log
Maintenance Log You must perform routine maintenance in order to achieve optimum performance levels from your WTA Series water treatment system. As you perform routine maintenance or necessary service on your system, record the dates in the maintenance log. The maintenance section of the IOM Manual provides instructions for servicing and maintenance procedures. - Page 23 NOTES:...
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