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EHE Series

Electronic Metering Pump

Instruction Manual

Five Boynton Road Hopping Brook Park Holliston, MA 01746 USA TEL 508-429-1110 FAX 508-429-7433

Website: www.walchem.com

Содержание ehe series

Страница 1: ...EHE Series Electronic Metering Pump Instruction Manual Five Boynton Road Hopping Brook Park Holliston MA 01746 USA TEL 508 429 1110 FAX 508 429 7433 Website www walchem com...

Страница 2: ...from defects in workmanship and material for a period of two years from date of delivery from the factory or authorized distributor under normal use and service and otherwise when such equipment is us...

Страница 3: ...Location 6 2 3 Supply Tubing 8 2 4 Discharge Tubing 8 2 5 Installing Injection Back Pressure Valve 9 2 6 Electrical 9 3 0 OPERATION 10 3 1 Priming 10 3 2 Adjustment 10 3 3 Calibration 10 3 4 External...

Страница 4: ...hem is not responsible for improper installations Prior to performing any maintenance on a pump depressurize the discharge tubing If you are pumping downhill or into little or no system pressure a bac...

Страница 5: ...aphragm Valve Balls Valve Seat Valve Seals Gasket Tubing VC PVC PTFE CE FKM FKM PTFE PE VE PVC PTFE CE EPDM EPDM PTFE PE VF PVC PTFE PTFE EPDM EPDM PTFE PE V6 PVC PTFE SS EPDM EPDM PTFE PE PC GFRPP PT...

Страница 6: ...f with enough force and the pump can be turned up above 100 This will cause damage to the pump and void the warranty Model A B C D E F H J L W EHE 30 35 E1 E2 VC PC V6 FC VE PE VF 6 06 1 04 7 76 6 42...

Страница 7: ...rical outlet and allows convenient access to stroke length control frequency control and tubing connections Avoid areas where ambient temperature exceeds 122 F 50 C or falls below 32 F 0 C or where th...

Страница 8: ...k often works well see Figure 2 The supply tank or cover can also be used if it has provisions for mounting a pump see Figure 3 In any case the total suction lift should not exceed 5 ft 1 5m See Figur...

Страница 9: ...f it all the way to the lip of the adapter fitting If the tubing is stiff from cold dip the tubing end in hot tap water for a few minutes so it will slide on and flare out more easily Slide clamp ring...

Страница 10: ...valve acts as a back pressure valve when pumping into atmosphere or low pressure applications IMPORTANT Always install the injection back pressure valve at the end of the discharge tubing to prevent o...

Страница 11: ...shake cartridges to make sure ball is loose inside Wetting cartridges before re installing will help in priming 3 2 Adjustment The pump will operate best with the stroke length at 100 If less than ful...

Страница 12: ...values EXT indicator Visible when pump is operating via external input operation EXT key Push to set pump for external input operation This key is also used to select which external mode and settings...

Страница 13: ...ease frequency 1 to 360 SPM Increase frequency 1 to 360 SPM SET EXTERNAL VALUES DIG EXT S S ANA Select divide or X multiply Increase value 1 to 999 Decrease value 1 to 999 Accept data and return to mo...

Страница 14: ...ct the positive side to terminal 7 and the negative side to terminal 8 See Figure 8 and the schematic below 4 2 3 5 6 7 8 Power Ground Digital Input Sensor Power DC 12V 10 mA max White NEU Black HOT G...

Страница 15: ...press the button to change to DIG and then press START STOP to enter that choice You will be returned to the WAIT state 2 Set multiply or divide To set values for digital operation press EXT and simu...

Страница 16: ...n from conductors and connect the positive side to terminal 5 and the negative side to terminal 8 See Figure 8 and the schematic below 4 2 3 5 6 7 8 Power Ground Analog Input Sensor Power DC 12V 10 mA...

Страница 17: ...e display will show P0 or some value between 0 and 360 spm with the point 1 indicator highlighted Press or to adjust the value to the desired pump speed for point 1 Press EXT again to display the anal...

Страница 18: ...mp is stopped will be saved up to a maximum of 255 When pump operation resumes saved pulses will allow the pump to catch up by producing the correct number of pump strokes that should have occurred wh...

Страница 19: ...4 2 Valve Replacement Making sure the discharge side has been depressurized remove the suction and discharge tubing Remove the suction fitting two valve cartridges o ring and gasket s Install the new...

Страница 20: ...number ready This is found on the silver label on the side of the pump From the exploded view drawing identify the item number of the part s to be ordered The item numbers are listed and include part...

Страница 21: ...30 35 45 55 all E00001 Tubing 1 2 OD LLDPE 20 FT 30 35 45 55 all E00001 50 Tubing 1 2 OD LLDPE 50 FT 30 35 45 55 all E00001 100 Tubing 1 2 OD LLDPE 100 FT 30 35 45 55 all E00001 250 Tubing 1 2 OD LLD...

Страница 22: ...5 3 EHE30 35 45 Liquid End Exploded View PVC GFRPP PVDF 21...

Страница 23: ...her M5 Lock 4 6 30 35 45 all EH0938 Adapter PVDF 2 30 35 45 FC 22 EH0302 O Ring Knob Seal 1 30 35 45 VC PC 6 EH0720 Clamp Ring 1 2 SS 3 2 30 35 45 All FC EH0303 O Ring Knob Seal 1 30 35 45 VE PE VF 8...

Страница 24: ...5 4 EHE 55 Liquid End Exploded View PVC GFRPP PVDF 23...

Страница 25: ...66 Gasket Valve 625 PTFE 2 55 V6 VC VE VM PC PE VF EH0921 Gasket Valve 0 625 PTFE 4 55 FC 15 EH0122 O Ring P16 FKM 2 55 VC VM PC EH0127 O Ring P16 EPDM 2 55 V6 VE PE VF EH0924 Gasket Adapter PTFE 2 55...

Страница 26: ...ket Terminal Block 1 36 EH0202 Grommet Cord 3 37 EH0205 Nut Strain Relief 3 38 EH0204 Cap Strain Relief 2 39 EH0706 Box Terminal EHE 1 40 EH1036 Gasket Terminal Box 1 41 EH0710 Screw M3 x 50 SS PH 1 4...

Страница 27: ...35VF E35V6 E35PC E35PE E35FC EHE45E1 HE45 1 EHC E11UPE 115 V EHE45E2 HE45 2 EHC E23UPE 230 V E45VC E45VE E45VF E45V6 E45PC E45PE E45FC EHE55E1 HE55 1 EHC E11UPE 115 V EHE55E2 HE55 2 EHC E23UPE 230 V E...

Страница 28: ...ltage Connect to proper voltage source Electronic control Replace control unit unit is damaged Pump does not Pump stroke length is too short Operate pump with stroke prime length set at 100 until prim...

Страница 29: ...ngth knob 0 pump should not pump Diaphragm is damaged Replace diaphragm Worn check valves Replace valve cartridges Liquid leaks Fitting or coupling nut is loose Tighten Pump head is loose Tighten pump...

Страница 30: ...Five Boynton Road Hopping Brook Park Holliston MA 01746 USA TEL 508 429 1110 FAX 508 429 7433 Website www walchem com...

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