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DWS C Series
INSTALLATION & OPERATION MANUAL
This manual covers installation, operation and maintenance requirements
It is important that those responsible for the installation of this
equipment, as well as the owner / operator, read this manual
Installation of this system must comply with all applicable state and local regulations.
Revised: 12/08
for the WQA Tested and Certified Model:
DWS-8C Class A U.V. Disinfection Unit
and carefully follow the instructions and guidelines.
AQUA TREATMENT SERVICE, INC.
194 HEMPT ROAD
MECHANICSBURG, PA 17050
ph: (717) 697- 4998
fax: (717) 697-5035
System Tested and Certified by Water Quality Association against
NSF/ANSI Standard 55 for disinfection performance, Class A
NSF/ANSI Standard 55 Class A System
This Class A system conforms to NSF Standards 55 for the disinfection of microbiologically contaminated water
that meets all other public health standards. This system is not intended for treatment of water that has an
obvious contamination source, such as raw sewage; nor is this system intended to convert wastewater to
microbiologically safe drinking water. This system is intended to be installed on visually clear water. If this
system is used for treatment of untreated surface waters or ground waters under the direct influence of surface
waters, a device found to be in compliance for cyst reduction under the appropriate NSF/ANSI Standard shall be
installed upstream of this system.
U.V. Disinfection
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Table of Contents
Related Manuals for ATS DWS-8C
Summary of Contents for ATS DWS-8C
- Page 1 This manual covers installation, operation and maintenance requirements for the WQA Tested and Certified Model: DWS-8C Class A U.V. Disinfection Unit It is important that those responsible for the installation of this equipment, as well as the owner / operator, read this manual and carefully follow the instructions and guidelines.
- Page 2 Perfomance Data Sheet Model Number ....... DWS-8C Class A Rated Service Flow ......8 gallons / minute Maximum Working Pressure .
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Page 3: Safety Instructions
SAFETY INSTRUCTIONS WARNING - to guard against injury, basic safety precautions should be observed, including the following: READ AND FOLLOW ALL SAFETY INSTRUCTIONS. DANGER -To avoid possible electric shock, special care should be taken since water is present near electrical equipment. Unless a situation is encountered that is explicitly addressed by the provided maintenance and troubleshooting sections, do not attempt repairs yourself, refer to an authorized service facility. -
Page 4: Description Of Equipment
(blackwaste); and other waste materials deposited in plumbing fixtures (greywaste). The DWS-8C model has been tested by an independent 3rd party test organization for compliance with NSF 55 Class A microorganism log reduction requirements and to insure a UV dose applied of 40,000uws/cm2 (40mJ/cm2) at the maximum rated flow per the Model Flow Chart listed below. -
Page 5: Installation
GENERAL CONSIDERATIONS FOR ALL DISINFECTION UNITS: When installing the equipment, it is necessary that the unit be isolated from vibration, heavy equipment, and poorly connected piping. Incoming water temperature to the unit should not exceed 35 ° minimum to 110 ° maximum degrees Fahrenheit. -
Page 6: General Installation Diagram
Inlets and outlets on the DWS-5C are ¾'' MNPT. Inlets and outlets __on the DWS-8C, 15C are 1'' MNPT. Inlets and outlets on the DWS-30C are 1½'' FNPT. Inlets and outlets on the DWS-50C are 2½'' FNPT. Use Teflon tape on all threaded connec- tions and avoid over tightening. -
Page 7: Quartz Sleeve
QUARTZ SLEEVE: Note: Before start up, flush unit for 3 minutes with running water. After flush- ing, follow sanitation procedures. Installation of the Quartz Sleeve: Always handle quartz sleeves carefully to prevent breaking or chipping. The quartz sleeves are to be clean and free of fingerprints before installing. - Page 8 the quartz sleeve, a mild acid may be used (i.e. vinegar). Be certain to follow all recommended safety handling procedures acid container. important handle the quartz sleeve with care to prevent breakage. Make certain that all finger prints are wiped clean before reinstalling (see installation of the quartz sleeve).
- Page 9 SANITATION PROCEDURE FOR INSTALLATION AND BULB REPLACEMENT: HOW TO DISINFECT A WATER SYSTEM: Every new well, or existing water supply system that has been disrupted for service or repair, should be disinfected before it is returned to use. Water in the well and storage tank should be treated with a strong chlorine solution to destroy disease causing organisms.
- Page 10 Allow the chlorinated water to stand in the system for at least six (6) hour, and preferable overnight. After this, open an outside faucet system until water runs chlorine free. Repeat flush operation on each faucet in system. NOTE: A.Chlorine may break loose iron deposits, slime and organic material. This material will make the water run colored.
- Page 11 TABLE 1 ** Quantity of solution mixed - 5.25% available chlorine (laundry bleach) for disinfecting wells, or 52,500 P.P.M.. WQA recommends 50mg/l or ppm chlorine concentration. Formula - = Household Bleach (52,500 P.P.M.) = Chlorine Amount Needed = 50 mg/L = 80 gallons holding time I.E.
- Page 12 How to Sanitize a Water System Using Well Sanitizer Pellets Table 2 Well Diameter Inches Weight of Pellets lbs. - oz. Cups of Pellets Number of Pellets 0 - 1.5 0 - 3.0 0 - 6.0 0 - 8.0 0 - 12.0 1-1/2 1 - 5.0 2-1/2...
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Page 13: Troubleshooting Guide
TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION U.V. lamp will not light Check input voltage if below Install a voltage regulator or above 120 volts Line cord disconnected Check, replace or outlet defective Defective U.V. lamp Replace Defective lamp ballast Check output voltage Replace ballast Loose open-circuit wire Trace out and repair... - Page 14 Electronic Controls Setup Key-Pad 1. System Status Indicater Lamp 2. Alarm Status Indicater Lamp 3. System Display Screen 4. Curser Direction Keys 5. Escape / Back Key 6. Enter Key...
- Page 15 Monitor System Setup can be set from 75 to 100 in 3 increments...
- Page 16 TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION MEASURE Unit will not initially come on Electrical connection. Check line voltages 110-120V AC. Failure to meter safe initially or Air obstruction. Vertical mounting of the U.V.. during operation. O-Ring obstruction. Do not overtighten sight port nut- hand tighten only.
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Page 17: Limited Warranty
LIMITED WARRANTY All parts of the disinfection unit, with the exception of the U.V. lamp, are guaranteed for one (1) year against defective parts and workmanship. The stainless steel disinfection chamber on the DWS C Series is guaranteed for ten (10) years. component which fails to operate satisfactorily within their time period will be replaced free of charge under the following conditions: NOTIFY YOUR LOCAL DEALER OR DISTRIBUTOR OF ANY PARTS... - Page 18 SUGGESTED PROCEDURE FOR OBTAINING STERILE WATER SAMPLES: Prior to taking the water sample, be sure to have on hand an adequate supply of sterile bottles. These sterile bottles should be obtained from a reputable laboratory and should have been autoclaved and contained within a plastic outer wrapping.
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Page 19: Wiring Diagrams
WIRING DIAGRAMS... -
Page 21: Drawings And Part Numbers
DRAWINGS AND PART NUMBERS... - Page 22 DWS-8C Explosion...
- Page 23 DWS-8C Parts List CODE PART# DESCRIPTION QTY. ATS-5203 Chamber ATS-5173 Sight Port O-Ring ATS-5172 Sight Port Lens ATS-5171 Sight Port Nut ATS8-544 End Nut O-Ring (seal quartz sleeve) ATS5-411 Brass End Nut ATS8-546 O-Ring (for shroud on end nut) ATS-4010...
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