assembly of the d 30 s
Contents
1. a E n 5 tc oc 750 lt T 5 a 2 500 a a a 250 2 0 0 5 10 15 20 25 30 DEBIT m h 1 8 DOSATRON INTERNATIONAL D30S CHAPTER 3 MAINTENANCE RECOMMENDATIONS 1 When using soluble products to be made up into solutions it is recommended to periodically dismantle the entire injecting portion copiously rinse it with water and re assemble it after having previously lubricated the seal with a silicone lubricant W Fig 15 E gt m gt Fig 15 2 air inlet an impurity or a seal s failure can interrupt the injecting function periodically check out that the product is correctly drawn up thus incorporated into the water D30S DOSATRON INTERNATIONAL 1 9 TO CLEAN THE INCORPORATED FILTER 500 microns 32 mesh Frequency Once per month depending on use unn 1 Fig 16 Fig 17 20 DOSATRON INTERNA D30S To remove the filter Close the valve upstream of the unit and allow the pressure to drop Unscrew the bell housing by hand and remove it Note Water will flow from bell housing Carefully remove the piston assembly holding it upright Fig 19 page 22 Remove the seal V Fig 17 page 20 Remove the filter Clean it and rinse in clear water To reassemble the filter2. Before re assembly ensure that the filter supports and seal V are clean and free of foreign bodies Apply silicone grease to the thread on the body Then proceed in reverse order to the above IMPORTANT IN ALL CASES TIGHTENING MUST BE DONE BY HAND D30S DOSATRON INTERNATIONAL 21 HOW TO DRAIN THE UNIT Fig 19 In case of frost risks 1 Close the valve upstream of the unit 2 Allow the pressure to drop 3 Close the valve downstream of the unit 4 Once the valves upstream and downstream of the unit have been shut off Unscrew the bell housing by hand Fig 18 Rep R and remove it Lift out the piston assembly taking care to hold it upright Fig 19 so that the plunger seal Fig 22 Rep Y engages correctly in the sleeve If the seal does not engage in the sleeve refer to the procedure for dismantling the dosing assembly Fig 19 Empty the body by turning upside down Fig 19 Rep W Draining is now completed and the unit can be reassembled having first lubricated the thread on the body with silicone grease 22 DOSATRON INTERNATIONAL D30S CHANGING SEALS IN THE INJECTOR ASSEMBLY White part IMPORTANT Use no tools 1 CHANGING THE PISTON PLUNGER SEAL a Unscrew the bell housing by hand and remove it Fig 20 b Remove the piston assembly holding it upright Fig 21 c Remove the seal Y Fig 22 page 24 um Fig
3. IMPORTANT Use no tools RATIO ADJUSTMENTS MUST BE MADE WHEN THERE IS NO PRESSURE IN THE UNIT Fig 7 Hold the lower part of the unit with the left hand and turn the barrel Fig 7 with the right hand until its upper edge is aligned with the required dosage 1 0 DOSATRON INTERNATIONAL D30S INCORPORATED HYDRAULIC BY PASS A mechanism to select either the dosing function or the by pass mode The control fluid must have a minimum pressure of 12 PSI 0 8 Bar in order to operate the by pass ON Injecting function OFF By pass function M Barbed fitting L By pass lever Fig 8 By pass mode Put the lever Fig 8 L in the OFF position Dosing mode Put the lever Fig 9 L in the ON position NOTE When changing the lever L from the OFF to the ON position it is normal that a small jet of water escapes from the barbed fitting To stop the injection of the product when the pressure of your mains is outside the limits of the correct by pass operation 0 8 Bar to 8 Bar 12 PSI to 120 PSI take out the suction pipe from the solution tank D30S DOSATRON INTERNATIONAL 1 1 AUTOMATIC BY PASS A mechanism to select either the dosing function or the by pass mode The control fluid must have a minimum pressure of 12 PSI 0 8 Bar in order to operate the by pass M 1 8 barbed fitting supplied with Proportional Injector N 1 4 ID x 3 8 OD flexible tube OP solenoid valve n
4. 20 D30S DOSATRON INTERNATIONAL 23 Piston plunger 24 DOSATRON INTERNATIONAL If it is found necessary to remove the piston plunger pay attention when replacing it to screw it in until you reach a stop and not to overtighten it There should be some play in the plunger allowing it to be easily inserted into the Proportional Injector body D30S 2 CLEANING AND RE ASSEMBLING OF THE SUCTION VALVE E Unscrew the black nut and pull downwards to release the valve Change the flat valve seal Change also the O ring item 3 D30S DOSATRON INTERNATIONAL 25 FAULT FINDING FAULTS 1 MOTOR INCIDENTS YOUR PROPORTIONAL Check that your INJECTOR DOES installation allows a NOT START OR STOP correct operation of Proportional Injector e g direction of flow Check that the water is ON or that the solenoid valves are energised switched on The by pass is either the by pass page closed or half opened Clogged up filter Clean up the filter see page 20 Maximum flow Unscrew the bell housing exceeded Remove the piston and ensure that the 2 lower valve seals and the 4 higher valves 56815 are in their correct positions Reduce the flow and put again into operation Damage in the Injector Return the Proportional body Injector to us THE PROPORTIONAL The pressure of your Increase the pressure INJECTOR WORKS IN mains system after 110 PSI max or set
5. is for information only The company reserves the right to alter product specification or appearance without prior notice D30S DOSATRON INTERNATIONAL 29 A SIMPLE METHOD THE DOSER IS COMPOSED A driving volumetric hydraulic piston motor A dosing piston The speed rhythm of the motor is proportional to the flow of water passing through the system Thus the rate of injection will likewise remain proportional In its reciprocating motion the piston motor clicks i Once in the up position Once in the down position SMALL MODEL Count the number of clicks in 90 seconds x 10 Flow of water in litres hour D 30 S MODEL Count the number of clicks in 30 seconds x 400 Flow of water in litres hour D30S 30 DOSATRON INTERNATIONAL DOSATRON 1 A L Rue Pascal B P 6 33370 TRESSES Bordeaux FRANCE Tel 33 0 55797 1111 Telex541931F Fax33 0 55797 1129 http Awww dosatron com E MAIL info dosatron com PATENTED PRODUCTS D 305 DOSATRON INTERNATIONAL 31 6670 90 59 0 Q LN
6. up SPITE OF USING THE BY the Proportional the Proportional Injector PASS STOP OF THE Injector is inferior to in by pass mode with INJECTING SOLUTION 12 PSI before it isolating valves The flow is higher than the maximum flow PLUNGER DETACHED Too high pressure Fit a new plunger FROM THE PISTON MOTOR 26 DOSATRON INTERNATIONAL D30S FAULTS 2 DOSING INCIDENTS WATER FLOWING BACK INTO THE SOLUTION TANK NO SUCTION OF PRODUCT OR UNDER DOSING IMPORTANT Worn out or contaminated seals The hydraulic motor is stopped Check out the suction height Important The limit is 4 m 13 feet Air inlet in the suction pipe Blocked suction tube or clogged up strainer Suction of air Maximum flow exceeded Worn plunger or plunger seal Worn Proportional Injector body Clean or change the suction valve see p 25 See above Chapter MOTOR INCIDENTS page 28 Reduce it if necessary Check the tighteness of the black nut at the lower end of the Proportional Injector body and the clamp ring on the suction intake tube Clean these items Important Avoid putting the strainer at the bottom of the drum Always leave a minimum of 10 cm 4 Reduce the flow Change Change In case of leaks between the pump body blue and the Proportional Injector body see page 28 LEAKS D30S DOSATRON INTERNATIONAL 2 7 3 LEAKS LEAKS BETWEEN THE BLUE BODY AND THE PROPORTI
7. INTER A T 1 O A L Cp DOSATRON R PROPORTIONAL INJECTOR 30 S USER S MANUAL SUMMARY CHAPTER 1 INSTALLATION CHAPTER 2 PUTTING THE PROPORTIONAL INJECTOR INTO OPERATION RR RDPI RSRS RR RR er PAGE 15 CHAPTER 3 MAINTENANCE PAGE 19 D30S DOSATRON INTERNATIONAL 1 SPECIFICATIONS Practical operating flow range 8 to 30 m h Operating pressure 2 to 110 PSI 0 5 Bar to 8 Bar for a temperature lower than 40 C 104 F Adjustable ratios 1 400 to 1 80 0 25 to 1 25 500 microns 32 mesh protective filter Mixing chamber Hydraulic by pass incorporated Fitting size Inlet 2 male thread outlet 2 female thread Maximum operating temperature 40 C 104 F UNIT SIZE Length 33 1 2 x width 17 2 3 x height 45 2 3 85 x 45 x 116 Weight 24 kg SHIPPING CONTENTS 1 SHIPPING CONTENTS 2 1 Proportional 8 m h Injector 1 supporting legs 1 suction intake tube 3 4 ID x 1 1 80D or 220 x 28 1 By pass tube 1 4 ID x 3 8 OD or 6 x 9 mm 1 strainer 1 user s manual 1 inlet adaptor 1 nut to be fitted to the turbo block SHIPPING SIZE 1 SHIPPING SIZE 2 22 7 8 x 21 2 3 x 2171 8 3472 3 x 28 x 1 4 58 x 55 x 41 cm 88 x 71 x 6 cm SHIPPING WEIGHT 1 SHIPPING WEIGHT 2 23 kg 719 2 DOSATRON INTERNATIONAL D30S CHAPTER 1 INSTALLATION RECOMMENDATIONS GENERAL REMARKS In a case where the ins
8. ONAL INJECTOR BODY Watertight seal is badly Check the seal positioned Hold the black nut item A to prevent its turning and unscrew the sleeve loosen the interior screw item B Note Take care to align the components when re assembling LEAKS BETWEEN THE Seal V absent badly Remove the bell BODY AND THE BELL positioned see Fig 17 housing clean the seal HOUSING page 20 seating and put back the seal Apply silicone grease to the thread and screw on the bell housing keeping it upright CONNECTION LEAKS Seal is badly positioned or Position it correctly or cut replace it Pipe is not correctly Insert it correctly inserted DOSATRON INTERNATIONAL DECLINES ALL RESPONSIBILITY IF THE PROPORTIONAL INJECTOR IS USED UNDER CONDITIONS OUTSIDE OF ITS OPERATING TOLERANCE AS INDICATED HEREIN 28 DOSATRON INTERNATIONAL D30S WARRANTY DOSATRON INTERNATIONAL will replace any part considered as originally defective during the first 12 months from the date of purchase This guarantee will operate provided that the faults noted do not come from a defective installation or misuse of the Proportional Injector Any damage caused by the use of a tool will not be covered by the manufacturer s warranty This document does not form a contractual engagement on the part of DOSATRON INTERNATIONAL and
9. ot supplied with Proportional Injector Control fluid Air or Water Pressure of 12 PSI 0 8 Bar to 120 PSI 8 Bar gt Fig 10 operate the automatic by pass Open the solenoid valve Fig 10 O The by pass control fluid is introduced The Proportional Injector is put into the by pass mode injection stops To operate the injection function Close the solenoid valve The control fluid is turned off and the residue flows to waste Fig 10 P The injecting function is connected NOTE Using the automatic by pass L must be in the ON position 1 2 DOSATRON INTERNATIONAL D30S Automatic anti siphon valve for additive This automatically recreates normal atmospheric pressure in the Proportional Injector in the event of an accidental vacuum in the line Fig 18 lts use depends on the regulations in force in your country You must comply with the local water authority s requirements To put it into operation unscrew the nut Item Q remove the solid metal disc and replace it by the washer supplied with the Proportional Injector Ball Rubber washer Metal washer Fig 11 D30S DOSATRON INTERNATIONAL 1 3 1 4 DOSATRON INTERNATIONAL D30S CHAPTER 2 PUTTING THE PROPORTIONAL INJECTOR INTO OPERATION MAXIMUM FLOW If your Proportional Injector clicks more than 36 times that is 18 cycles in 15
10. plastic spacing ring first rubber O ring second Remove the protective caps Fig 1 E from the Proportional Injector concentrate intake 4 DOSATRON INTERNATIONAL D30S GENERAL VIEW DOSATRON INTERNATIONAL 5 D30S 1 First couple the stainless steel manifold A by the adaptor Fig 2 A1 to the Proportional Injector water outlet note direction of arrow or Proportional Injector Fig 2 2 Couple the turbo block B by the adaptor Fig 3 B1 to the Proportional Injector water inlet and by the threaded outlet to the manifold Fig 4 I 6 DOSATRON INTERNATIONAL D30S 4 Fit the support legs to the manifold 11 2 DOSATRON INTERNATIONAL 7 D 30 S 5 Position the fixing plates Fig 6 P on the turbo block fit the 4 washers and wing nuts and tighten Fit the 2 spacing rods Fig 6 M WATER OUTLET 8 DOSATRON INTERNATIONAL D30S CONNECTING TO THE WATER SUPPLY NOTE You should obtain and fit the components necessary for connection to the water supply depending on your installation Connect the unit to the water supply making certain that the water flows in the direction of the arrow on the Proportional Injector body WHEN CONNECTING A SYSTEM EITHER TO THE PUBLIC WATER SUPPLY OR TO ITS OWN WATER SOURCE YOU MUST RESPECT THE REGULATIONS IN FORCE CONCERNING PROTECTION OF THE SOURCE BACFLOW PREVENTION ETC ADJUSTING THE DOSAGE RATIO D30S DOSATRON INTERNATIONAL 9
11. seconds you have exceeded MAXIMUM FLOW You should therefore install an Proportional Injector with a higher flow capacity D30S DOSATRON INTERNATIONAL 1 5 PUTTING THE PROPORTIONAL INJECTOR INTO OPERATION Fig 12 Place the by pass lever in the ON position Fig 12 L Connect the product suction tube with strainer to the Proportional Injector fitting and immerse it in the stock solution tank Slowly turn on the water IMPORTANT Ensure that the strainer is a least 4 10cm above the bottom of the tank to avoid sucking up the insoluble particles that may damage the Proportional Injector assembly Fig 13 Do not put the strainer on the ground NOTE The time required to prime the unit depends on the rate of water flow 1 6 DOSATRON INTERNATIONAL D30S WHAT YOU SHOULD DO Fig 14 D30S Fig 13 UNDER NO CIRCUMSTANCE SHOULD THE SOLUTION LEVEL BE ABOVE THE DOSATRON PROPORTIONAL INJECTOR WATER INLET LEVEL WHEN CONNECTING A SYSTEM EITHER TO THE PUBLIC WATER SUPPLY OR TO ITS OWN WATER SOURCE YOU MUST RESPECT THE REGULATIONS IN FORCE CONCERNING PROTECTION OF THE SOURCE 1 RACKFI OW DOSATRON INTERNATIONAL 1 7 FLOW PRESSURE MINI DROP CURVE OF THED 30 6 PRESSURE DROP OF THE D 30S AT MINI INLET PRESSURE FLOW RATE US GPM 0 5 10 15 20 25 30 35 1500 H 1 1250 18 3 16 M 1000 o G
12. tallation is higher than the Proportional Injector unit itself there is a possible risk of water flowing back through the unit Installation of a gate valve or non return valve downstream is recommended Do not install the unit above a corrosive container risk of fumes attacking the Proportional Injector Do not install the Proportional Injector on the suction side of the supply pump risk of siphoning ASSEMBLY SHOULD BE CARRIED OUT WITHOUT TOOLS CLOUDY WATER In the case of cloudy water it is imperative to install a 300 microns 50 mesh filter upstream of the unit WATER HAMMER Installations subject to water hammer should incorporate a suitable protection device such as a pressure regulator or expansion chamber For automatic installations use slow opening solenoid valves For installations in different sectors install the valves in cross mode i e as one opens another one closes D30S DOSATRON INTERNATIONAL 3 ASSEMBLY OF THE D 30 5 ASSEMBLY SHOULD BE CARRIED OUT WITHOUT THE USE OF TOOLS WITH THE EXCEPTION OF THE WRENCH SUPPLIED FOR TIGHTENING THE COUPLINGS The assembly of the Proportional Injector should be carried out in the following order Fig 1 Remove the red protective caps types A amp B from the Proportional Injector and the turbo block inlets and outlets Retrieve the spacing rings D and O rings C and fit them on to the inlet and outlet adaptors as shown in Fig 1 fit
Download Pdf Manuals
Related Search