service manual - Water Chemistry, Inc.
Contents
1. cm mot l code tolerances unless otherwise specified XX 125 linear xxx 075 CUSTOMER AQUA TREATMENT SERVICE INC MTS 194 HEMPT ROAD que 1 MECHANICSBURG PA 17050 ID 697 FAX 800 787 0197 dr T GARLICK nor chi P N RWT 15E 15 GPM UV W MONITOR pppa Q Graphics folder Drawings Shop Drawings UV Drawings Bom Explosions 22 RWT 15E Parts List CODE PART DESCRIPTION QTY 1 RWT 5252 Chamber 1 2 RWT R02 34 Flo Et Retainer 12 15 gpm 1 E RWT F15 15 gpm Flo Et 1 4 RW1T 268 Mounting Bracket 1 a RWT5 410 Lock Nut 6 RWT8 544 End Nut O Ring seal quartz sleeve 1 7 RWT5 409 Brass End Nut 8 RWT8 546 O Ring for shroud on end nut 1 9 RWT 7091 Gaynor Connector 1 10 HS4 075 BK Shrink Tubing 167 11 RWT N1155 Brass Shroud 1 12 9600K19 Grommet 1 13 7080K72 Cable 2 167 14 RWT 270 Box Bottom 1 15 RWT A115 Stand offs 3 16 RWT 6L1 Strain Relief 2 17 RWT 4000 Power Cord 1 18 RWT 265 Ballast Plate 19 RWTI 421 Ballast 120V 60Hz 1 20 RWT 7600 Platstic Sight Lens for cover 2l RWT 266 Box Top 1 22 RWIT LED BRD Lamp Indicator Circuit Board 1 23 RW 11 2497 Double D Hole Plug 1 24 95495K11 Rubber Bumper 1 25 RWT 759D Quartz Sleeve 1 26 RWT4 739 Bulb 1 232. AOLINOWAAYT Oev TS1LV 1SY Tiva e2a H 3LIHA V vL N3349 OO NN MOVIE 3LIHA MOVE N3339 18 DRAWING AND PART NUMBERS RWT 8E Explosion 17 20 mat l code tolerances uniess otherwise specified 26 25 AQUA TREATMENT SERVICE INC MTS 194 HEMPT RUAD o MECHANICSBURG PA 17050 CREME IE XXX 4075 OOK 2 050 H ai aa ren CUSTOMER Tut A 800 2875 0197 CI 3 P N RWT 8E 8 GPM UV W MONITOR BEE iu MGR Drawings UV Drowings Bom Explosions 20 RWT SE Parts List CODE PART DESCRIPTION QTY 1 RWT 5249 Chamber 2 RWT RO1 34 Flo Et Retainer 8 gpm 1 3 RWT F08 8 gpm Flo Et 1 RW T 268 Mounting Bracket 1 3 RWT5 410 Lock Nut 1 6 RWT8 544 End Nut O Ring seal quartz sleeve 1 7 RWT5 409 Brass End Nut 1 8 RWT8 546 O Ring for shroud on end nut 1 9 RWT 7091 Gaynor Connector 1 10 HS4 075 BK Shrink Tubing 167 11 RWT N1155 Brass Shroud 1 12 9600K19 Grommet 1 13 7080K72 Cable 2 167 14 RWT 269 Box Bottom 1 15 RWT A115 Stand offs 3 16 RWT 6L1 Strain Relief 2 17 RWT 4000 Power Cord 1 18 RWT 262 Ballast Plate 1 19 RWT1 420 Ballast 120V 60Hz 1 20 RWT 7600 Platstic Sight Lens for cover 1 21 RWT 263 Box Top 1 22 RWT LED BRD Lamp Indicator Circuit Board 1 22 RWT 2497 Double D Hole Plug 1 24 95495K11 Rubber Bumper 1 25 RWT 476D Quartz Sleeve 1 26 RWT4 450 Bulb 1 21 RWIT 15E Explosion
3. before performing cleaning or maintenance activities Never yank the power cord to remove it from an outlet grasp the plug and pull to disconnect Do not use this disinfection system for other than the intended use potable water applications The use of attachments not approved recommended or sold by the manufacturer distributor may cause an unsafe condition Intended for indoor use Do not install this disinfection system where it will be exposed to the weather Do not store this disinfection system where it will be exposed to temperatures below freezing unless all the water has been drained from it and the water supply has been disconnected Read and observe all the important notices and warnings on the water disinfection system If an extension cord is necessary a cord with a proper rating should be used A cord rated for less Amperes or Watts than the disinfection system rating may over heat Care should be taken to arrange the cord so that it will not be tripped over or accidentally pulled from the outlet 10 SAVE THESE INSTRUCTIONS WARNING The light given off by this unit can cause serious burns to unprotected eyes and skin Never look directly at a lit UV lamp When performing any work on the UV Disinfection System always unplug the unit first Never operate the UV system while the lamp is outside of the UV chamber WARNING The UV lamp inside of the disinfection system is rated at an effective life of approximately 9 000
4. hours To ensure continuous water treatment replace the UV lamp annually with the appropriate Aqua Treatment Services UV lamp Failure to comply may present a fire hazard FUNCTION The function of this ultraviolet disinfection unit is to provide in excess of 99 reduction of all water borne pathogenic disease causing bacteria Model RWT series have a number code designation correspondent to the maximum gpm gallons per minute flow rate of the unit LE RWT 8E has a maximum flow capacity of 8 gpm Applications Ultraviolet Germicidal Disinfection RWT Ultraviolet Disinfection Units are designed to destroy micro organisms in water supplies The Ultraviolet lamp peak radiation of 254 nanometer wavelength nm destroys or inactivates the D N A deoxyribonucleic acid which absorbs the Ultraviolet radiation RWT Germicidal Disinfection units meet minimum dosages of 30 000 microwatt second per square centimeter MAXIMUM CONCENTRATION LEVELS BEFORE ULTRAVIOLET Turbidity TERME 5 NTU FIAT OES Sica ie ese ibo pe SS nnen 7 gpg a Lo None KODAK KNEE 0 3 ppm Manganese 0 05 ppm j 1 MPH TES 6 5 9 5ppm Important Note Pre filtration equipment may be required if these parameters cannot be maintained Flow rate must not exceed rated capacity of the unit DESCRIPTION OF EQUIPMENT The RWT series has an unique design with an ultraviolet germicidal lamp housed within a single quartz sleeve surrounded by a stainless steel pressure
5. indicator light located on the cover of the Electronic Housing is provided to view the UV lamp Status A label on the cover of the unit provides UV hazard and Warnings Troubleshooting Inthe unlikely event of a problem please contact your local water treatment dealer directly Before calling for service please be sure that you have the Model No and Serial No Important information It is a normal characteristic of all UV lamps to blacken around the filaments of the lamp This does not signify the lamp is defective or not emitting Ultraviolet light The only time a UV lamp is defective is if it will not light UV Lamps that illuminate will not qualify for Warranty Verify the unit has power 120vac Power cord is plugged in and you have power to the control box Lamp is securely plugged into their socket And properly oriented Pin orientation of the lamp is correct Verify what signal or status if any the UV Lamp Monitor LED is emitting Verify if in fact the UV lamps are on or off Do not look at the UV light without proper eye protection If there is no LED indicator light and UV lamps are on Check battery position in holder and verify the battery voltage It should read between 2 8 and 3 0 volts and power should be disconnected to test battery Lamp Status Indicator UV Lamp Advisor Audible Visual Alarm anid Red No Audible Replace lamp within 30 days Eis ee E Lamp has exceeded 1 year of operation replace lamps and reset Pu
6. use this to scrub the walls of the spring box or holding tank With a constant flow of fresh water from the spring there is probably no way of detaining the chlorine solution in the reservoir for more than a few minutes However the chlorinated water should flow through the pipeline to disinfect the distribution system Cisterns can be disin fected in the same way but a source of clean water will be needed to flush the dirty waste out of the system For additional information about how to protect wells and springs and keep them from becoming contaminated call or visit your local Cooperative Extension office or your nearest certified water treatment specialist 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 C XV C V C Household Bleach 52 500 P P M Vs Chlorine Amount Needed C 50 mg L V5 80 gallons holding time LE 50 ml g X 80 gal 4000 52 500 08 gallons of chlorine 5 25 08 gal chlorine 5 3596 X 128 oz gal 2 10 24 oz 5 2596 Dug Wells 3 to 4 feet diameter 4 cups per foot of water Drilled Wells 3 to 8 inch diameter 1 cup per foot of water TOO MUCH CHLORINE IS BETTER THAN TOO LITTLE do In situations where it is inconvenient to determine depth of water or diameter of a drilled well a minimum of 1 2 gallon of household bleach may be used for wells up to 8 inches in di
7. RWT Series U V Disinfection INSTALLATION amp OPERATION MANUAL This manual covers installation operation and maintenance requirements for RWT U V Disinfection Units Model RWT 8E 15E 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 NOTE RWT Series U V Disinfection Units are designed for the destruction of Coliform Bacteria Roanoke Water Treatment 1948 Franklin Rd S W Roanoke VA 24014 Tel 540 982 2324 Fax 540 982 2305 Revised 7 07 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 1 2 Carefully examine the disinfection system after installation It should not be plugged in if there is water on parts not intended to be wet Do not operate the disinfection system if it has a damaged power cord or plug if it is malfunctioning or if it is dropped or damaged in any manner Always disconnect water flow and unplug the disinfection system
8. SE CORRECTION U V lamp will not light Check input voltage if below Install a voltage regulator or above 120 volts or outlet defective Line cord disconnected Check replace Defective U V lamp Replace Defective lamp ballast Check output voltage Replace ballast Loose open circuit wire Trace out and repair Leak at quartz nipple Defective or cracked O Ring Replace O Ring O Ring not seated properly Replace O Ring 13 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 RWT series is guaranteed for five 5 years Any 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 SUSPECTED OF BEING DEFECTIVE Upon approval by Roanoke Water Treatment the Dealer Distributor should return the item to Roanoke Water Treatment 1948 Franklin Rd W Roanoke VA 24014 prepaid If a part proves to be defective it will be repaired or replaced and returned to the Dealer Distributor freight paid It is the dealer customer responsibility to reinstall any components which require replacement under warranty No labor will be covered under this Limited Warranty Roanoke Water Treatment s or sellers liability is limited to the repair or replacement of any component f
9. ameter with estimated to be less than 80 feet deep 1 gallon should be used for similar size wells with water deeper than 80 feet In case of a well yielding more than 50 gallons per minute special procedures are required Seek the advice of a certified water treatment specialist Wait a day or two before you have another sample tested Do not take a sample for testing if the odor of chlorine is still present in water 10 REMEMBER To make your water supply safe Locate your well properly Protect it from surface contamination Test water periodically for coliform bacteria Home yearly Farm 2X yearly Chlorinate or filter and disinfect the water if necessary When installing an ultraviolet disinfection system a prefilter with sump may serve as a source to sanitize the water lines only For whole system disinfection follow procedure as outlined above Source The Pennsylvania State University College of Agriculture Cooperative Extension How to Sanitize a Water System Using Well Sanitizer Pellets Table 1 Well Diameter Inches Weight of Pellets lbs oz Cups of Pellets Number of Pellets 2 0 1 5 1 4 40 3 0 3 0 2 5 80 4 0 6 0 3 4 140 5 0 8 0 1 200 6 0 12 0 1 1 2 300 8 1 5 0 2 1 2 500 10 2 0 4 800 12 3 0 6 24 12 0 24 36 26 0 mes To produce a 400 P P M chlorine dosage NOTE Pellets Weight 1 14 gram each 25 pellets oz 400 pellets Ib 1 cup of pellets 1 2 Ib or 200 pellets or 8 oz To
10. assemble O Ring and tighten gland nut Repressurize the unit and check again REQUIREMENTS FOR CLEANING THE QUARTZ SLEEVE As water passes through the U V minerals debris and other matter in the water may deposit onto the quartz sleeve After sufficient film has formed on the quartz sleeve the ability of the ultraviolet germicidal rays to pass though the quartz sleeve and into the water may be impaired Therefore it is necessary to determine a cleaning schedule for the quartz sleeve The frequency will depend on the specific type of water conditions If the water has been processed through deionization reverse osmosis or is distilled cleaning may be required only once per year If untreated water is used the cleaning frequency will vary A minimum of once yearly is standard recommendation for cleaning and lamp replacement Contact your local dealer for scheduling this service Your specific situation will vary the frequency time according to the water quality of the home or facility application QUARTZ SLEEVE CLEANING PROCEDURES To clean the quartz sleeve turn off the water flow to the disinfection unit turn power off and discon nect the electrical service to the lamp pins Carefully remove the U V lamp Loosen the compression nuts with O Rings and remove the quartz sleeve while draining the water from the chamber The quartz sleeve may then be washed with a mild soap and hot water solution and rinsed clean with hot water Should this b
11. chamber The chamber is fabricated out of 304 Stainless Steel These units come with an ultraviolet lamp designed with four pins at one end The quartz sleeve is intended to be placed through the disinfection chamber and will slightly protrude through the threaded nipple The ultraviolet lamp is placed within this quartz sleeve The U V light shines through this specially designed hard quartz sleeve for maximum disinfection efficiency to meet the requirements for bacteria reduction in potable water The inlet outlet are located on one side of the chamber and may be interchanged as to designation dependent upon installation A Site Port is provided for safe and easy view of operation A box is secured to the wall and the chamber is held in place by tightening the lock nut to both mounting box and chamber GENERAL CONSIDERATIONS FOR ALL DISINFECTION UNITS N When installing the equipment it is necessary that the unit be isolated from vibration heavy equipment and poorly connected piping pa Incoming water temperature to the unit should not exceed 35 minimum to110 maximum degrees Fahrenheit 3 The operating pressure should not exceed 100 psi 4 Before putting the unit into final operation follow sanitation procedures as outlined in this manual for proper disinfection Sanitizing all discharge piping and fittings with household bleach from disinfection unit to point of use removes existing contaminants and gives the unit a clean star
12. e insufficient to clean the quartz sleeve a mild acid may be used i e vinegar Be certain to follow all recommended safety and handling procedures on the acid container It is important to 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 Replace O Rings RWT8 544 1 every time a quartz sleeve is cleaned or replaced U V LAMPS INSTALLATION OF THE ULTRAVIOLET LAMPS DO NOT PUT POWER ON AT THIS TIME CAUTION Never look directly at a operating U V lamp operate a U V lamp outside the disinfection chamber Make sure unit is unplugged when installing or servicing ultraviolet lamp Remove any paper tabs on the U V lamp and avoid allowing fingerprints and other debris to deposit Carefully place the bulb inside the quartz sleeve leaving enough space to connect the socket connector to the lamp pins Insert the protective polyurethane endcaps into the quartz open ends to secure the lamp s in place or reinstall brass dust covers ULTRAVIOLET LAMP MAINTENANCE REQUIREMENTS The U V lamp is rated for 9 000 hours of continuous use After this period of time the U V lamp has undergone a photochemical change While the lamp will not normally be burned out the lamp quartz may no longer emit the 254 nm shortwave U V to effectively kill bacteria Failure to replace the U V lamps every 9 000 hours may cause bacteriological breakt
13. e power is applied to the unit Complete step only if battery is not in holder otherwise go to step 2 1 Insert coin battery side in see drawing into battery holder on circuit board LED should turn RED for approximately 10 seconds lf LED does not turn RED rotate battery around while in holder Check if Battery is in between the 2 conductors of the holder 2 Depress black RESET button hold down for 10 sec on circuit board the LED should turn GREEN while the button is depressed and then it will turn off 3 Release the black RESET button and the LED should return to RED for approximately 5 seconds then it will turn off You have now set the internal clock to zero insuring an accurate measurement of new UV lamp life operating hours The LED will turn GREEN and continue to operate once the UV lamp is connected and power is on NOTE When replacing lamps after 9000 hours of operation shut off power to the unit only steps 2 amp 3 will be required to set the clock back to 0 to begin counting the operating hours of the new lamp 4 Plug the power cord into a 120V wall outlet and make electrical connections THIS SHOULD BE DONE IN ACCORDANCE WITH ALL STATE AND LOCAL ELECTRICAL AND BUILDING CODES 5 Put cover on unit turn on and inspect operation Never look at the UV lamps without proper eye protection UV LAMP MONITOR CIRCUIT BUARD o BATTERY THIS DIRECTION O oL POSITIVE SIDE DF CDIN Le BATTERY HOLDER An LED
14. e well For maximum effectiveness the chlorine must be mixed with the water in the well This can be accomplished by connection a hose to a faucet beyond the pressure tank and circulating the water from the tank back into the casing After about 20 minutes close this faucet open another at the far end of the distribution line and let the water run until the odor of chlorine can be detected Close this faucet and repeat the procedure for each of the other outlets on the line until chlorinated water can be detected throughout the entire system Keep this water in the pipeline for at least 6 hours preferably overnight then start the pump and flush the system Continue pumping until the odor of chlorine disappears For U V installations or replacement bulb servicing this can be shortened to 20 minute time LARGE DIAMETER WELLS Dug or bored wells should be disinfected in the same way as a drilled one Lower the water level as much as possible remove the sand silt and debris and then treat with the chlo rine solution Mix thoroughly by circulating the water back into the well and use the hose to rinse the interior lining of the well Do not try to disinfect an unprotected unlined well because new seepage or surface contamination will flow into the water about as fast as you can disinfect it Disinfect the pipeline distribution system as indicated for drilled wells SPRINGS AND CISTERNS Mix about cup of household bleach in 5 gallons of water and
15. er the pressure tank Use hose to run water back down the well this also rinses upper portion of well After about 15 minutes of recirculation the water a strong chlorine odor should be apparent Turn off hose 6 Bypass water softener and filters and open each water outlet in the water system until chlorine is present in water This procedure assures that all the water in the system is chlorinated 7 Allow the chlorinated water to stand in the system for at least one 1 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 The material broken loose may plug pump screens Do not continue to run pump if water doesn t flow B The high level of chlorine required to sanitize a water system is corrosive to most metals and chlorine solution must not be allowed to remain in water system more than 36 hours before being completely flushed from system 8 After system has been completely flushed perform a bacteriological analysis on the water following all applicable procedures NOTE Always follow the sanitizing procedure required by applicable state or local laws EPA Registered Well sanitizer pellets are EPA Registered for sanitizing potable water EPA Registration No 50510 1 12 TROUBLESHOOTING GUIDE PROBLEM CAU
16. hrough Should the use of the disinfec tion unit be intermittent in no case should the U V lamp be used for more than 24 months regardless of the number of hours of operation due to normal shelf life degradation of the U V bulb Changing the quartz sleeve should be done at the same time U V lamp replacement is scheduled It is recommended that your water supply be tested periodically yearly through your local health department or approved certified laboratory ELECTRICAL The RWT series are furnished with 6 line cord that will plug into a 115V outlet Electrical receptacles must be properly grounded for safe operation Improper grounding will void any warranty When possible use a separate breaker to minimize voltage fluctuations and avoid accidental shut off After unit is installed and water is turned on plug the unit into 115V wall receptacle View lamp operation through safety Site Port lens NOTE Avoid exposing your eyes to U V light 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 organisms All pipelines and fixtures in the distribution system should be rinsed and flushed with chlorinated water Upon installation of a U V disinfection
17. lsing Red Every 1 second Beep every UV lamp is not lit 1 second Please contact your local dealer for replacement UV lamps Refer servicing to qualified service personnel QUARTZ SLEEVE 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 Remove the compression nut Install the quartz sleeve through the stainless steel threaded nipple allowing an equal amount to extend beyond each nipple Install the O Ring down the top of the nipple Avoid riding the O Ring on any threaded part of the nipple Hand tighten each compression nut to form a compression seal around the quartz sleeve Avoid overtightening the nuts which may cause a fracture on the end of the quartz sleeve Under normal operation conditions hand tightening will provide a 100 psi seal Do not use any devices to tighten end nuts Repeat this procedure at the opposite end of the chamber After you have tightened the compression nut and all other plumbing connections open the outlet valve Slowly open the inlet valve and flush out all remaining air Then close the outlet valve and slowly open the inlet valve fully Check the unit for leaks If you find a leak at the compression nut tighten the nut further If the leak continues drain the unit and inspect the quartz O Ring and quartz sleeve for proper seal Once you complete checking the unit re
18. n 1 Turn off the water before cutting into the water line 2 Assess the installation i e type of pipe size of lines etc and obtain necessary plumbing fittings for installation Inlets and outlets on 8 gpm units are 3 4 MNPT Use Teflon tape on all threaded connections and avoid over tightening Note The flow control is a press in type Each unit has a 3 4 MNPT inlet outlet machined so UI 4 5 the press in flow control can be easily inserted into whichever port you select for the inlet Make sure the rubber part of the flow control is facing outward from the port selected Simply hand press or slightly tap in the flow control until it sits on the inside ledge of the machined port Using the mounting box provided secure unit to wall or other surface Make sure to allow enough room to install replace and clean the quartz sleeve and bulb Installing a water shut off valve before and after the unit is recommended to make servicing easy After mounting install quartz sleeve O Ring and bulb per instructions Turn on the water slowly check for leaks and repair as needed prior to full service operation After the unit is full of water plug it into a grounded 115V outlet Observe operation through the safety Site Port The lamp will show a bright blue glow If any problems are noted consult trouble shooting guide GENERAL INSTALLATION DIAGRAM Battery UV lamp replacement and UV Lamp Counter Reset Befor
19. ound to be defective and in no case shall we be held liable for damage either immediate or subsequent arising out of the use of this equipment 14 SPECIFICATIONS MODEL RWT 8E RWT 15E Maximum Capacity gom 8 15 Shipping Weight 9 Ibs 18 Ibs No of Lamps 1 1 KW 120V 035 064 AMPS 120V 32 56 Inlet Outlet Size 34 Std MNPT 34 Std MNPT Overall Dimension Inc Wall Mount 21 x5 x 5 21 x 5 x 5 LxWxD Disinfection Chamber wetted 304 SS Tubing 304 SS Tubing parts Material Cabinet Housing Material 304 SS 4 Polish 304 SS 4 Polish U V Dosage gt 30 000 pw sec cm gt 30 000 pw sec cm 15 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 1 Prior to taking the sample it is imperative that the sample cock faucets etc be opened at full force for a complete three and one half minutes After the valve has been left wide open for three and one half minutes reduce the flow to a reasonable stream of water Flow to drain an additional three minutes Open the sterile bottle or sterile container being used Holding the cap in a down position the operator should then hold his breath while taking the
20. produce a 400 P P M chlorine concentration to sanitize a water system use one half 1 2 pound chlorina tion pellets for each 100 gallons of water in the system 1 2 1b 100 gal 8 oz 100 gal 200 pellets 100 gal 1 cup pellets 100 gal Table 1 shows how many pellets too use per 100 feet of water in various diameter wells 11 DRILLED WELLS 1 Remove the cap or seal from the casing and measure the depth of the water in the well then refer to Table 1 to determine how many chlorine pellets should be used In some instances removing the seal to measure the water can be a difficult task and it is easier to estimate well and water depth from well log or other records 2 Remove well cap and determine if there is an unobstructed path from the top of the well to the water level If it is not possible to remove the well cap remove vent or sanitation access plug 3 Drop one pellet into the well and listen to hear if it hits the water If the pellet hits the water drop one half the number of pellets determined to be needed into the well These will sink to the bottom and sanitize the lower part of the well 4 Mix the remaining pellets in a few gallons of water in a CLEAN plastic container and pour the solution into the well 5 In order to mix the chlorine thoroughly throughout the entire water system it is necessary to recirculate the water in the well This can be accomplished by connection a hose to an out side faucet that is located aft
21. sample so as to avoid oral contamination of the sample The operator must not allow his finger to touch the inside of the cap or the neck of the bottle After the sample has been taken the cap should immediately be tightly placed on the sample container The sample container should be placed in a plastic wrapping and should be taken to the laboratory for plating as soon as possible following the above procedure We recommend duplicate samples be taken at each test station during each specific test so as to avoid loss of sample through laboratory error and to insure reasonable validity through comparison Check with your local laboratory to assure proper sampling and submittal procedure 16 WIRING DIAGRAM WVaDVIG ONIAIA 3ET LAM 38 1A 3 4610 484 008 XV4 866v 69 41 5 ONI 39IA83S LNAWLVaal VNOY wouy BuUMA SBUIMDAO An s8uiwoag dous s8uiwoag 43p o3g soiudoug p RE my OSOLT vd DYNESIINVHIAW D a90 ldW3H vel SIR L r4 zee ere e 1 _ EO fabud J O50 7F XXX EE SLO XXX Juoaunf TT Ser XX o HG ASIMAaUYO ssajun saduvao 3p02 y30u AST LAA AUTI3A GION37DS OL es iS 21212121 T1 T1 T1 ON 2 IN Gqavna LINIAN SD LINDAgWV Ter TSLY 1SV TW H Y vlag N3389 pve GION3DS OL N3339 OD ONY XINIA 3LIHA LDO 38 1 3 UT3A es is 21212121 T1 T1 T1 DN 2 IN aava LINIJO
22. t Be sure to rinse with U V treated water 5 A proper flow control must be used to insure only the designated flow through the unit GENERAL PRECAUTIONS TO BE FOLLOWED AT ALL TIMES 1 Always disconnect electrical power to any U V unit before servicing Di Under no circumstances should personnel look at a U V lamp in operation EXCEPT through an external Site Port lens located on the outside of the unit 3 U V disinfection units must always be properly grounded INSTALLATION The RWT series are always placed after the pressure tank and any other type of treatment devices i e softeners filters These units are normally installed in a vertical position in an enclosed area with good ventilation Allow clearance of at least the unit s length at one end for quartz sleeve and bulb replacement Two 2 anchor bolt holes are provided for proper wall support Use wall plugs with screws for sufficient support not included A lock nut secures the mounting box to the U V chamber If your piping system is subject to impulse pressure resulting in a water hammer condition a surge tank or other means must be provided to remove this condition otherwise this extreme shock pressure condition may rupture or fracture the quartz sleeve Make all plumbing connections to allow for ease of service Be sure to follow all local plumbing codes and U V restriction requirements where specified by local authorities Step By Step Installatio
23. unit or yearly bulb replace ment service disinfection with chlorine to initially flush the system is recommended to assure line sanitation prior to U V start up The source of chlorine can be ordinary household liquid laundry bleach about 5 2596 available chlorine The quantity required depends on the volume of water to be treated The United States Environment Protection Agency EPA indicated that about 100 parts of chlorine by weight mixed in a million parts of water will destroy essentially all water borne disease organisms Table 1 shows the quantity of liquid bleach required to disinfect wells of various diameters and depths DISINFECTION PROCEDURE DRILLED WELLS Remove the cap or seal form the casing and measure the depth of the water in the well then refer to Table 1 to determine how much chlorine solution should be used In some instances removing the seal to measure the water can be a difficult task and it is easier to guess at the quantity of disinfectant needed than it is to make a more accurate determination footnote Table 1 As a general rule it is better to use too much chlorine than too little The disadvantage in doing so 1s that it will take longer for the taste and odor to leave the system Mix the required chlorine disinfectant with a few gallons of water in a plastic bucket and pour it into the well If the seal has a removable vent unscrew the pipe or plug and pour the disinfecting solution through the hole into th
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