dosatron D90GL05BPVF User Manual Download Page 35

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DOSATRON INTERNATIONAL S.A.S /

Troubleshooting

SYMPTOM

CAUSE

SOLUTION

Motor piston

Your

Dosatron

does not

start, or

it stops

working.

Motor piston has seized.

Restart the motor piston by

hand.

Excess flow.

1. Reduce the flow rate;

restart.

2. Check that the motor

valve seals are fitted.

Motor piston is broken.

Return the Dosatron to your

distributor.

Dosing

Water flowing

back into the

product tank.

Suction valve or valve seal

dirty, worn or missing.

Clean or replace.

No suction of

product.

The motor piston has

stopped working.

See

Troubleshooting -

Motor piston.

Air tightness problem in the

suction hose.

Check the suction hose and

the tightness of hose clamps.

Suction hose blocked or

strainer clogged.

Clean or replace them.

Suction valve seal worn,

wrongly fitted or dirty.

Clean or replace it.

Plunger seal wrongly fitted,

dirty or swollen.

Clean or replace it.

Dosing pump body

scratched.

Replace it.

Summary of Contents for D90GL05BPVF

Page 1: ...x 33 0 5 57 97 11 29 33 0 5 57 97 10 85 info dosatron com www dosatron com Certified QEH S System NORTH CENTRAL AMERICA DOSATRON INTERNATIONAL INC 2090 SUNNYDALE BLVD CLEARWATER FL 33765 USA Tel 1 727 443 5404 1 800 523 8499 Fax 1 727 447 0591 Site web www dosatronusa com MANUFACTURED BY CUSTOMER SERVICE DEPARTMENT ...

Page 2: ...D90 GREEN LINE User manual ...

Page 3: ...ducts by reducing the number of parts by developing a lighter product by designing cardboard packaging made from 100 recycled materials by working with local or national suppliers to limit transport distances In collaboration with APESA all our teams have perfectly integrated the concepts and tools inherent to eco design More broadly DOSATRON is committed to a global environmental approach by impl...

Page 4: ... operating reliability and banish the word failure forever THEREFORE PLEASE READ THIS MANUAL CAREFULLY BEFORE USING THE DEVICE This document does not form a contractual obligation and is for information only DOSATRON INTERNATIONAL reserves the right to modify its appliances at any time DOSATRON INTERNATIONAL S A S 2020 English Important You will find your Dosatron s part number and serial number o...

Page 5: ... DOSATRON INTERNATIONAL S A S 4 NOTES ...

Page 6: ... Installation tips 21 Automatic product anti siphoning 23 COMMISSIONING Using for the first time 24 Use 25 Adjusting the dosing rate 25 Dosing principle 26 MAINTENANCE Recommendations 28 Draining the Dosatron 29 Dismantling the suction hose 30 Dismantling Reassembling the dosing assembly 31 Replacing the dosing seals 32 Dismantling Reassembling the dosing piston 33 Cleaning and reassembling the su...

Page 7: ...n com www dosatron com THE MANUFACTURER declines all responsability in event of use not conforming with the owner s manual LE FABRICANT décline toute responsabilité en cas d utilisation non conforme au manuel d utilisation Markings Identification Specifications Your dosing pump has 2 main marking zones which enable it to be identified in detail A 2 line engraving on the section of the top cover se...

Page 8: ...e Product line GL Green Line fertigation Maximum injection rate or ratio BP Integrated manual bypass V Optional kit for Viscous Products 400 cPs Dosing seal type AF Alkaline Fluid pH 7 14 VF Acidic Fluid pH 1 7 K Strong acids 15 Other extensions please specify UNDERSTANDING THE PART NUMBER ...

Page 9: ...US gpm MAX 25 450 0 11 1 98 Connection Flange DN 100 EN PN16 DN 4 ASME B16 5 Hydraulic motor capacity every two clicks of the piston around 1 7 l 0 449 US Gallons IMPORTANT The DOSATRON is not pre set please refer to the paragraph on ADJUSTING THE DOSING DIMENSIONS Length cm 120 47 1 4 Total height cm 80 31 1 2 Overall width cm 53 20 3 4 Weight kg lbs 50 110 2 PACKAGE COMPOSITION 1 Dosatron 1 Dosa...

Page 10: ... it takes up the required dose of concentrate and then mixes it with the motive water The solution produced is then propelled downstream The dose of injected product is always proportional to the volume of water passing through the Dosatron regardless of variations in flow or pressure in the water supply line Motor piston Clean mains water Water product solution Dosing piston Dosing rate setting r...

Page 11: ...sub assembly equipped with seals 4 433 mm long pipe sub assembly equipped with seals 5 Mounting bracket 6 GREEN LINE D9 bell housing 7 Complete bypass sub assembly 8 Motor piston 9 Dosing piston sub assembly 10 1 GREEN LINE body sub assembly 11 D90GL05 injection assembly 12 Suction valve sub assembly 13 Valve nut 14 20 x 27 suction assembly 4 meter hose ...

Page 12: ... aggressive products Place the container to the side and cover it to avoid any product fumes Keep the Dosatron away from excessive heat sources and protect it from frost in winter Do not install the Dosatron on the suction side of the motive water pump risk of siphoning The user has sole responsibility for replacing the dosing assembly seals on an annual basis to ensure accurate dosing The user ha...

Page 13: ...s it seems damaged by the concentrate being dosed Release the pressure in the system after use recommended Rinsing of the Dosatron is essential whenever the product is changed before each intervention on the Dosatron to avoid any contact with aggressive products All assembly and tightening operations should be carried out using the appropriate tools or manually without tools unless there are speci...

Page 14: ...recommended to indicate that the water contains additives 5 MAINTENANCE After use the aspiration of clean mains water through the system is recommended Annual maintenance will optimise the service life of your Dosatron Replace the dosing assembly seals and the product suction hose on an annual basis 6 SERVICE This Dosatron was tested prior to packaging Replacement sub assemblies and packs of seals...

Page 15: ...rope and ASME USA standards dimensions DN 100 EN PN16 DN4 ASME B 16 5 One D9D90 GL dosing pump pre equipped with elbow fittings Two supply tubes one short upstream one long downstream One 4 meter suction hose and strainer A user manual INSTALLING THE DOSATRON Fig 1 Remove the plugs and protective caps Fig 1 covering the ports of your dosing pump before connecting it to the water system ...

Page 16: ...low Take the D9D90 dosing device pre equipped with its two elbow fittings and fix it to its mounting bracket Take the short hose and screw it onto the left hand side of the regulator with a seal inserted between the two parts Take the long hose and screw it onto the right hand side of the regulator with a flat seal inserted between the two parts Screw the ends of the hoses onto the dosing pump the...

Page 17: ...ending on the direction of flow in the hydraulic system and the direction in which the dosing pump is mounted on its bracket it may be necessary to change the orientation of this scale CHANGING THE DOSING SCALE VIEW Completely unscrew the fixing nut on the dosing assembly Pull downwards and rotate half a turn to release the dosing assembly and view the correct dosing adjustment scale Fig 3 Fig 3 F...

Page 18: ...into the pump body taking care to align the centring pins Fig 4 If necessary to obtain a clearer view of the pins unscrew the dosing adjustment nut as far as the middle of its travel Manually retighten the fixing nut on the dosing assembly Fig 5 Fig 5 Fig 4 ...

Page 19: ...This hose must be equipped with the strainer and ballast N B The maximum suction head is 4 metres 13 ft CONNECTING THE SUCTION HOSE Push the suction hose onto the suction valve stem and secure the hose using the hose clamp supplied Fig 6 Fit the strainer on the other end of the hose using the same method and secure it using the other hose clamp Fig 7 8 Fig 6 Fig 8 Fig 7 ...

Page 20: ... not operating and enables it to be easily dismantled If your flow rate is above the specified limits for the Dosatron see EXCESS FLOW To prolong the Dosatron s service life it should be fitted with an upstream filter e g 200 to 120 mesh 80 to 130 microns depending on the quality of your water This precaution is essential if the water contains impurities or particles especially if the water comes ...

Page 21: ...ICE continued IMPORTANT Leave the strainer suspended about 10 cm 4 from the bottom of the container of solution to prevent the aspiration of insoluble particles which may damage the dosing pump The strainer must not sit on the bottom of the container ...

Page 22: ... tank Automatically restores atmospheric pressure within the installation in case of accidental depressurisation downstream of the dosing pump Uncontrolled suction of product is prevented To activate this device remove the red cap AUTOMATIC PRODUCT ANTI SIPHONING DEVICE Fig 12 ...

Page 23: ...NG RATE Switch the by pass to ON Slowly open the water intake the Dosatron primes itself Operate the Dosatron until the product to be injected rises up into the dosing assembly the product is visible through the transparent hose The Dosatron makes a characteristic clicking noise when operating Fig 13 The Dosatron is equipped with a by pass function as standard By pass set to ON the Dostaron operat...

Page 24: ...of overpressure The installation must also be dimensioned to prevent any oscillatory hydraulic phenomena water hammer If necessary a water hammer arrestor has to be fitted ADJUSTING THE DOSING RATE unpressurised IMPORTANT No tools should be used The dosing adjustment must be carried out with no pressure in the system Turn off the water supply and allow the pressure to drop to zero Unscrew the dosi...

Page 25: ... DOSATRON INTERNATIONAL S A S 24 DOSING PRINCIPLE Principle Setting at 1 1 100 1 volume of concentrate to 100 volumes of water ...

Page 26: ... DOSATRON INTERNATIONAL S A S 25 ...

Page 27: ...ssembly section thoroughly with clean mains water and reassemble them after previously lubricating the plunger seal with a silicone based lubricant Fig 17 2 Before putting the Dosatron back into service remove the motor piston and soak it in lukewarm water 40 C 104 F for several hours This helps to remove any deposits which may have dried onto the motor piston Seal Before performing any maintenanc...

Page 28: ...it Turn off the water supply and allow the pressure to drop to zero Remove the dosing assembly DISMANTLING REASSEMBLING THE DOSING ASSEMBLY Fig 18 Unscrew the top cover and take out the motor Fig 19 Disconnect the fittings at the water intake and outlet Drain the main body after removing it from the mounting bracket Reassemble the parts after cleaning the bell housing seal Fig 18 Fig 19 ...

Page 29: ...oid any contact with the injected products turn on the Dosatron and allow it to draw in clean mains water in order to rinse the dosing assembly Unscrew the hose clamp from the dosing assembly and hose Fig 20 Pull downwards to remove the hose from the suction valve stem To reassemble the parts repeat these steps in reverse order If necessary read CONNECTING THE SUCTION HOSE Fig 20 ...

Page 30: ...op to zero Remove the suction hose see DISMANTLING THE SUCTION HOSE Completely unscrew the fixing nut on the dosing assembly Pull downwards to remove the dosing assembly Fig 21 Before reassembling the parts position the dosing assembly according to the desired scale percentage or ratio see CHANGING THE DOSING SCALE Insert the dosing body into the pump body taking care to align the centering pins F...

Page 31: ... It is very important to avoid any twisting of the seal once it is in place as this would impair its watertightness Replace the O ring on the dosing body Fig 23a Implement the method explained above Replace the suction valve Unscrew the suction valve locking nut Fig 23c Remove the suction valve by pulling it in the line of the dosing assembly Replace the O ring on the dosing pump body Fig 23d Comp...

Page 32: ...atron and allow it to draw in clean mains water in order to rinse the dosing assembly Turn off the water supply and allow the pressure to drop to zero Dismantle the dosing assembly while following the instructions in DISMANTLING REASSEMBLING THE DOSING ASSEMBLY Turn the dosing piston a quarter turn anti clockwise to unlock it and release it from the motor piston Reassemble by following these steps...

Page 33: ...o draw in clean mains water in order to rinse the dosing assembly Turn off the water supply and allow the pressure to drop to zero Remove the suction hose see DISMANTLING THE SUCTION HOSE Unscrew the suction valve locking nut Fig 25 Remove the suction valve by pulling it in the line of the dosing assembly Rinse the various parts of the valve thoroughly using clean mains water Reassemble the parts ...

Page 34: ...allow the pressure to drop to zero Unscrew the cover manually Fig 27 and remove it Remove the motor piston assembly by pulling upwards The rod and plunger piston follow the motor piston as it is pulled upwards Change and reassemble all parts in the reverse order to the dismantling process Refit the bell housing taking care not to damage its seal and tighten it by hand You may apply some silicone b...

Page 35: ...or Dosing Water flowing back into the product tank Suction valve or valve seal dirty worn or missing Clean or replace No suction of product The motor piston has stopped working See Troubleshooting Motor piston Air tightness problem in the suction hose Check the suction hose and the tightness of hose clamps Suction hose blocked or strainer clogged Clean or replace them Suction valve seal worn wrong...

Page 36: ...eplace it Leaks Leaks near the fixing nut under the pump body Dosing body seal damaged wrongly positioned or missing Position it correctly or replace it Leaks between the dosing adjustment sleeve and the dosing locking nut Dosing pump body seal damaged wrongly positioned or missing Position it correctly or replace it Leaks between the body and top cover Top cover seal damaged incorrectly fitted or...

Page 37: ...This warranty only applies to manufacturing defects This warranty does not cover any defects resulting from abnormal installation the use of inappropriate tools incorrect installation improper maintenance environmental acci dents or corrosion caused by foreign objects or liquids found in or near the appliance For the dosing of aggressive products please consult your vendor before any use in order ...

Page 38: ...the water flow rate in gallons per minute Number of clicks in 15 seconds x 4 x 1 7 x 3 8 x 10 2 displacement of the motor in litres calculation for 1 minute 2 clicks 1 cycle conversion litres to gallons A SIMPLE METHOD THE DOSATRON IS COMPOSED OF A volumetric displacement motor piston driving As it moves up and down the motor piston clicks a dosing piston 2 clicks 1 cycle 1 displacement Once in th...

Page 39: ... DOSATRON INTERNATIONAL S A S 38 ...

Page 40: ... DOSATRON INTERNATIONAL S A S 39 Annexes Pressure drop ...

Page 41: ...les 0 50 100 150 200 250 300 350 400 450 0 00 5 00 10 00 15 00 20 00 25 00 0 0 2 0 4 0 6 0 8 1 1 2 1 4 1 6 1 8 0 00 10000 00 20000 00 30000 00 40000 00 50000 00 60000 00 70000 00 80000 00 90000 00 100000 00 Flow Rate US GPM Pressure loss PSI raB segrahc ed setreP Débit l h 25 02 2019 D90GL05 Courbes de Pertes de charges à 0 5 Pressure drop curves at 1 200 Sans pression Free outlet A 4 Bar 58 PSI a...

Page 42: ... DOSATRON INTERNATIONAL S A S 41 ...

Page 43: ... DOSATRON INTERNATIONAL S A S 42 ...

Page 44: ...n compliance with the European Directive 2006 42 CE This declaration is only valid for countries of the European Community CE This document does not constitute a contractual commitment and is provided for information only DOSATRON INTERNATIONAL reserves the right to modify its appliances at any time ...

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