Clean Water Systems Precision-24 Скачать руководство пользователя страница 16

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5 Troubleshooting

Troubleshooting

Problem

Possible Cause

Solution

Pump can

not start

power failure

Check the power supply

The fuse blowouts

Change fuse

Circuit is interrupted.

Find the off position

Wrong connecting wire

Recheck the diagram

Pipe blockage

Open the valve, and clean it

No Flow

Not work

Check the power

Offering tank is empty

Fill the tank

Pipe blockage

Clean the pipe

Valve is closed

Open the valve

Granule block off check

valve

Check the valve and clean it

Air in the pipe

Release the air

Cavitations

Increase the pressure of suction and

shorten the suction pipe.

Problem of priming

Re-priming, checking leakage

Filter is blocked

Disassemble the filter; clean or

change it.

Adjust

the

stroke

zero.

Increase stroke length.

Low flow

Valve broken or serious

dirty.

Clean the valve or clean it.

Содержание Precision-24

Страница 1: ...Precision 24 Manual Specification ...

Страница 2: ......

Страница 3: ...llation Dimension 3 1 3 Operation Instruction 4 2 Installation 5 2 1 Installation 6 2 2 Tube connection 7 2 3 Power connection 7 3 Operation and Setting 8 3 1 Start up 8 3 2 Setting 8 3 3 Signal Function Setting for JLM A JLM P 9 4 Maintenance and Repair 10 4 1 Maintenance 10 4 2 Diaphragm Replacement 11 5 Troubleshooting 13 6 Main parts 15 ...

Страница 4: ...e pulse frequency It is used for transmitting liquid including mordant liquid The diaphragm reciprocates in the pump head with the force of the electromagnetic causing the change of the volume and pressure which make the check valves open and close automatically Thus the liquid is sucked and discharged The rated output volume of this electronic diaphragm metering pump is 1 15 l h and its correspon...

Страница 5: ...stroke stroke stroke stroke length length length length 30 30 30 30 Allowable Ambient Temperature 10 10 10 10 45 45 45 45 Power AC AC AC AC 220V 220V 220V 220V or or or orAC110V AC110V AC110V AC110V 10 10 10 10 Frequency 50Hz 50Hz 50Hz 50Hz 60Hz 60Hz 60Hz 60Hz Input Power Insulation Degree F F F F Outer Connection Control Stroke Signal Pulse Width 20ms 20ms 20ms 20ms Connection Load 5V 5V 5V 5V 0 ...

Страница 6: ... re re re re Bar Bar Bar Bar Stroke Stroke Stroke Stroke Control Control Control Control Pulse Pulse Pulse Pulse frequency frequency frequency frequency Stroke min Stroke min Stroke min Stroke min Calib Calib Calib Calib er er er er mm mm mm mm 3 8 7 6 20 100 0 180 5 1 2 3 1 2 3 1 2 3 1 2 3 Installation Installation Installation Installation Dimension Dimension Dimension Dimension ...

Страница 7: ...hree digitals show the state of the frequency While the last three digitals are off the pump stops working Mark 2 on the picture is the stroke knob for adjusting the stroke length The best adjusting range is 30 100 Mark 3 and mark 4 on the picture are buttons for adjusting the frequency in percentage 1 Displaying the frequency 2 Stroke adjusting knob 3 Increasing the frequency 4 Reducing the frequ...

Страница 8: ...ter then use suitable medium to clean the wetted part of the pump head The installation place should be convenient for workers to operate and maintain Any obstruction should be moved away from working area If stop valve is equipped at the outlet of the metering pump When the stop valve is closed the counter pressure may be several times than the maximum pressure allowed which may rupture the pipe ...

Страница 9: ...inlet and outlet must be installed vertically The inlet tubes should not be too long and make the foot valve 10 30mm above the bottom of the tank it can be 50mm if the liquid is with heavier dirt Install the outlet tubes and injection valve Back pressure valve should also be installed if it is open discharging ...

Страница 10: ...onnection connection Make sure the voltage is consistent with the grade marked on the nameplate Insert the plug to the right socket Put the coupling nut on the hose Cut the hose at suitable length and insert on the end cap as deep as possible Enlarge the diameter of the hose a little if needed Press the tubing sleeve and tighten the coupling nut ...

Страница 11: ...ressure regulating valve Or loose the coupling nut to discharge the air l Start the pump to check whether the liquid is out from the outlet tube or the bypass valve l Close the bypass valve when the pump works normally 3 2 3 2 3 2 3 2 Setting Setting Setting Setting Adjust strok knob to adjust the stoke length Adjust the frequency button to control stoke frequency in percentage It is suggested adj...

Страница 12: ...e value per minute 1 1 1 1 Minimum pulses per minute can not be changed 2 2 2 2 No function Please ignore it 3 3 3 3 No function Please ignore it 4 4 4 4 No function Please ignore it 5 5 5 5 0 for manual operation 1 for pulse function Multiplier 2 for pulse function Divider 3 for remote control 4 for 4 20mA function 5 no fucntion 6 6 6 6 Pulse fucntion rate setting scope from 1 255 Setting the val...

Страница 13: ...d be cut off Make sure there is no power during maintenance During maintenance please release the pressure in the tubes first and clean the pump head Don t use corrosive liquids If medium is dangerous liquid please check the performance parameters of the medium Discharge and wash the pump head before maintenance 4 1 4 1 4 1 4 1 Maintenance Maintenance Maintenance Maintenance Strictly check the fol...

Страница 14: ...agm Diaphragm Replacement Replacement Replacement Replacement Adjust stroke length to 0 when the pump is working Cut off the power loosen the bolts Pull out the pump head and bolts from pump body Counter clockwise turning the diaphragm and turn it off Take off the adapter base Screw on a new diaphragm at clockwise as tight as possible ...

Страница 15: ...he drain hole oriented downward Remount the pump head back Take care of the direction of inlet and outlet check valves Warnings Leakage hole on the adapter base must be downward Recheck the screws on th pump head tighten them if necessary ...

Страница 16: ... it No Flow Not work Check the power Offering tank is empty Fill the tank Pipe blockage Clean the pipe Valve is closed Open the valve Granule block off check valve Check the valve and clean it Air in the pipe Release the air Cavitations Increase the pressure of suction and shorten the suction pipe Problem of priming Re priming checking leakage Filter is blocked Disassemble the filter clean or chan...

Страница 17: ...lve leakage Clean or change the valve Suction pipe leakage Find the leakage position and solute the problem Filter is blocked Disassemble the filter clean or change it Medium is changed Check the viscosity and other parameters Blowhole of the offering tank is blocked Open the blowhole Flow is unstable Suction piping leakage Find the leakage position and solute the problem Medium cavitations Increa...

Страница 18: ... 15 6 6 6 6 Main Main Main Main parts parts parts parts ...

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Clean Water Systems Precision-24, Инструкция и технические характеристики

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