Walchem EH Series Скачать руководство пользователя страница 44

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6.0 TROUBLESHOOTING

Problem Possible

Cause Corrective

Action

Pump does not start

Faulty wiring

Correct wiring

Improper voltage

Connect to proper voltage source

Electronic control

Replace control unit

unit is damaged

Pump does not

Pump stroke length

Operate pump with stroke lengthset

prime

is too short

at 100% until primed. Then set

stroke length as needed to obtain

desired

output.

Air in suction tubing

Reroute suction tubing to eliminate

air

trap

Valve gasket is not installed

Install valve gasket

Valve set assembly

Reassemble valve set

direction is wrong.

Pump is air locked

Open air vent valve

Suction or discharge

Disassemble, inspect, clean

valve is clogged with

foreign

matter

Ball stuck to valve seat

Disassemble, inspect, clean

CAUTION:

Before working on the pump, disconnect the power cord,

depressurize the discharge tubing and drain or flush any residual liquid from
the pump head and valves, using proper chemical handling techniques.

Содержание EH Series

Страница 1: ...EH EZ 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: ...1 4 Specifications 3 1 5 Dimensions 4 2 0 INSTALLATION 8 2 1 Unpacking 8 2 2 Location 8 2 3 Supply Tubing 10 2 4 Discharge Tubing 11 2 5 Installing Injection BackPressure Valve 11 2 6 Electrical 12 3...

Страница 4: ...lchem 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 b...

Страница 5: ...and external pulse control with pulse divide and multiply capability 4 Voltage 1 115 VAC 50 60 Hz 2 230 VAC 50 60 Hz 5 Liquid End See Section 1 4 for detailed chart 6 Options C High Compression Head S...

Страница 6: ...1 5 3 8 C20 2 0 130 0 14 0 36 105 0 7 3 8 C30 4 3 270 0 30 0 75 50 0 35 1 2 C35 4 6 7 4 420 4 0 46 1 17 30 0 2 1 2 1 Available sizes for EZ pumps 2 1 4 NPT female for 316 SS 3 Auto Air vent valve redu...

Страница 7: ...41 2 1 2 OD 1 4 ID 3 94 EHC 15 20 R1 R2 3 82 1 26 0 67 3 94 1 46 3 01 1 1 83 3 0 20 6 30 6 44 3 7 64 7 95 2 8 75 3 1 42 8 35 9 90 1 8 58 2 8 72 3 3 8 OD 1 4 ID 4 57 EHC 30 35 R1 R2 PC PE VC VE VF TC...

Страница 8: ...7 7 07 7 56 0 31 6 81 7 17 1 2 OD 3 8 ID 3 94 EHC 15 20 R1 R2 FC 3 82 1 22 0 67 3 94 0 47 0 20 6 46 7 46 7 95 1 42 7 36 7 75 3 8 OD 1 4 ID 4 57 EHC 30 35 R1 R2 FC 3 82 1 42 0 67 3 94 0 63 0 20 7 17 7...

Страница 9: ...20 R1 R2 SH 3 82 1 22 0 67 3 94 1 34 0 20 6 14 7 46 7 95 1 73 8 29 8 66 NPTF 4 57 30 6 53 1 34 EHC 35 R1 R2 SH 3 82 1 38 0 67 3 94 1 30 0 20 6 50 7 46 7 95 1 22 8 29 8 66 NPTF 4 57 With Y Control Modu...

Страница 10: ...21 1 02 0 08 3 54 0 63 0 20 6 85 6 85 0 24 6 77 1 2 O D 3 94 VC PC TC VE PE VF 4 13 0 94 3 94 1 46 3 03 1 1 83 2 0 31 6 30 6 50 2 7 64 8 79 2 1 42 8 15 10 24 1 8 52 2 3 8 O D 4 57 15 20 FC 4 13 0 94 3...

Страница 11: ...bing connections Avoid areas where ambient temperature exceeds 122 F 50 C or falls below 32 F 0 C or where the pump or tubing would be exposed to direct sunlight This pump is cord connected and not in...

Страница 12: ...3 Flooded Suction Shelf Mount Tank Mount Figure 4 Connecting Tubing Foot Valve Pipe Tubing Straightener user supplied Air Gap Return Line Point of Injection Injection Valve Coupling Nut Coupling Nut A...

Страница 13: ...ulder Tip 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 Push the coupling nut onto the threads Apply some pressur...

Страница 14: ...ack to the chemical solution tank or drum On the larger pumps 30 35 sizes the air vent valve connections are not marked however the discharge side is the vertical UP connection and the air vent connec...

Страница 15: ...ti siphon valve must be installed Note Siphoning can also occur at the tip of the injection valve because of the high flow rate in the main pipe flowing past the small injection nozzle venturi effect...

Страница 16: ...ll output is required set the frequency to the appropriate percentage of maximum desired Example Model EZB20D1 VE has maximum output of 1 5 GPH Desired output is 1 2 GPH 1 2 1 5 0 8 or 80 Set the freq...

Страница 17: ...ntrol Module For pulse proportional external control of pump frequency connect the control signal leads to terminals 4 positive and 6 common inside the control module The input signal should not excee...

Страница 18: ...when pump is operating via external input STOP indicator Visible when the pump is stopped via external signal The pump stops pumping OVER indicator Visible when an input signal exceeds the pump s 360...

Страница 19: ...XT S S S S ANA Select divide or X multiply Increase value 1 to 999 Decrease value 1 to 999 Accept data and return to mode WAIT EXT Scroll through the following selections Accept data and return to mod...

Страница 20: ...block from the connector Slide the nut and bushing over the external control cable and insert the cable through the terminal block cover Strip 1 4 insulation from conductors and connect the positive...

Страница 21: ...cept that mode You will be returned to the WAIT state If ANA is displayed press 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...

Страница 22: ...p Remove the four screws from the terminal block cover and remove the cover Remove the cord nut and bushing from the terminal block cover Remove the terminal block from the connector Slide the nut and...

Страница 23: ...d If ANA is displayed press START STOP to accept that mode You will be returned to the WAIT state If DIG is displayed press to change to ANA and then press START STOP to enter that choice You will be...

Страница 24: ...he pump speed will now be determined by the level of the milliamp signal as shown in the graph The stroke length can be adjusted manually to set the volume pumped per stroke 0 4 8 12 16 20 A1 A2 90 18...

Страница 25: ...he pump is in DAILY mode to indicate the timer program number SET indicator Becomes backlit when pump is being programmed 2nd indicator Becomes backlit when pump is in the 2 nd week of the 2 WEEK mode...

Страница 26: ...OUR SEL Sets the Minutes incrementing only Selects the Day of the week MODE MODE Move to TIMER RUN mode shows TIME Exits back to WAIT menu Move to WAIT menu MODE TIMER RUN MENU Scrolls between DAILY W...

Страница 27: ...ed operation per day 4 Timer Operation Programming Pressing the HOUR and SEL keys at the same time will bring up the Timer Programming menu This menu is where the individual operations are set both st...

Страница 28: ...positive and 6 common Y Control Module 7 positive and 8 common A switch or solid state device capable of switching 10 VDC at 2 mA for the R Module and 5VDC at 2 mA for the Y Module should be used Swit...

Страница 29: ...d back to the source tank During priming the access knob does not have to be loosened as with a manual air vent valve as pressure is relieved through the vent The Top Valve Guide assembly uses a botto...

Страница 30: ...in its up location If this is the case turn the knob clockwise until it clicks down approximately turn 3 The diaphragm prevents siphoning of chemical through the pump Pressure Release 1 Stop the pump...

Страница 31: ...es Be sure both valve seats are in the same orientation Refer to Figure below Tighten the suction fitting Similarly remove and replace the discharge valve cartridges o ring and gasket s For a more det...

Страница 32: ...10 PC PE EH0750 H10 H GFRPP 10 PCH PEH EH0287 H10 PVC 10 VCC EH0081 H15 PVC 15 VC VE VF EH0324 H15 GFRPP 15 PC PE PCH PEH EH0857 H15 PVC 15 VCC EH0065 H20 PVC 20 VC VE VF EH0328 H20 GFRPP 20 PC PE EH...

Страница 33: ...C EH EZ EH0048 Seat Valve 188 EPDM 4 10 VE PE VF EH EZ EH0069 Seat Valve 250 FKM 4 15 20 VC PC EH EZ EH0071 Seat Valve 250 EPDM 4 15 20 VE PE VF EH EZ 13 EH0025 Ball Valve 188 CE 4 5 10 VC VE PC PE VC...

Страница 34: ...or EH and EZ pump model sizes 30 and 35 C Entire Head Assembly D Valve Cartridge E Air Vent Valve Part numbers for these assemblies are on Page 40 14 11 13 12 11 13 12 17 D 19 1 17 14 11 13 12 11 13 1...

Страница 35: ...VE VF EH EZ EH1099 Body Manual Air Vent GFRPP 1 30 35 PC PE EH EZ 11 EH0118 Guide Valve 0 375 PVC 4 30 35 VC VE VF EH EZ EH0332 Guide Valve 0 375 GFRPP 4 30 35 PC PE EH EZ 12 EH0119 Seat Valve 0 375...

Страница 36: ...mbly D Valve Cartridge E Air Vent Valve Part numbers for these assemblies are on Page 40 TC Only 30 and 35 TC Only 10 15 and 20 FC Only All sizes 14 11 13 12 11 13 12 17 D 19 1 17 14 11 13 12 11 14 FC...

Страница 37: ...DF 4 10 FC EH EZ EH0346 Guide Valve 250 PVDF 4 15 20 FC EH EZ EH0612 Guide Valve 375 PVDF 4 30 35 FC EZ EH0352 Guide Valve 375 PVDF 4 30 35 FC TC EH EZ TC only EH1046 Guide Valve 188 PVDF 4 10 TC EH E...

Страница 38: ...0126 Ball Valve 375 HC 4 30 35 14 EH0362 Gasket Valve Cartridge PTFE 2 10 20 EH0380 Gasket Valve Cartridge PTFE 2 30 35 19 EH1197 Bolt M4 x 48 5 SS Hex Socket 4 10 20 30 EH1198 Bolt M5 x 48 5 SS Hex S...

Страница 39: ...2 30 35 VC EH E90018 Valve Foot 1 2 30 35 PC EH E90034 Valve Foot 3 8 10 15 20 PE EH EZ E90035 Valve Foot 3 8 10 15 20 VE EH EZ E90036 Valve Foot 1 2 30 35 PE EH E90037 Valve Foot 1 2 30 35 VE EH E901...

Страница 40: ...B R Control Module Y Control Module Part numbers for these assemblies are on Page 40 56 38 46 45 44 42 43 47 B R CONTROL MODULE 55 53 48 57 A DRIVE UNIT EZ Drives 50 52 51 49 54 EH Drives Y CONTROL MO...

Страница 41: ...Module EH Y 44 EH0270 Cover Control Module EH R EH1208 Cover Control Module EH Y 45 EH0258 Seal Stroke Frequency EH R 46 EH0868 Knob Stroke Frequency EH R 47 EH0269 Screw Control Module EH R EH Y EZ...

Страница 42: ...er The spare parts kit number is the same as the head assy except with PK at the end Parts kits for pumps with Multifunction valves are the same as pumps without the M option For pump models using a Y...

Страница 43: ...BD2 Z10PC Z10PE Z10VC Z10VE Z10VF Z10TC Z10FC EZ__15D1 Z__15 D1 EZ__D1 EZ__15D2 Z__15 D2 EZ__D2 Z15PC Z15PE Z15VC Z15VE Z15VF Z15TC Z15FC EZ__20D1 Z__20 D1 EZ__D1 EZ__20D2 Z__20 D2 EZ__D2 Z20PC Z20PE...

Страница 44: ...esired output Air in suction tubing Reroute suction tubing to eliminate air trap Valve gasket is not installed Install valve gasket Valve set assembly Reassemble valve set direction is wrong Pump is a...

Страница 45: ...pressure valve Diaphragm is damaged Replace diaphragm Liquid leaks Fitting or coupling nut is loose Re install see section 2 3 2 4 Pump head is loose Tighten pump head bolts Torque 19 lb in 2 16 N m D...

Страница 46: ...Notes...

Страница 47: ...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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