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Summary of Contents for IWAKI EK Series
- Page 1 IWAKI Electromagnetic Metering Pump EK Series Instruction Manual Read this manual before use of product...
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Page 2: Table Of Contents
Thank you for selecting the electromagnetic metering pump EK series. This instruction manual deals with “Safety Section” “Product outline” “Installation Section” “Operation Section” and “Maintenance Section”. Please read through this manual carefully to ensure the optimum performance, safety and service of the EK series. - Page 3 Important Instructions For the Safe and Correct Handling of the pump ● "Safety Instruction" section deals with important details about handling of the product. Before the use of the pump, read this section carefully for the prevention of personnel injury or loss. ●...
- Page 4 Prohibited ● No remodeling Never remodel a pump. Otherwise, a serious accident may result. Iwaki will not be responsible for any accident or damage of any kind which is caused by the user remodeling the pump without first obtaining permission or instructions from Iwaki.
- Page 5 Safety instructions CAUTION ● Ventilate Poisoning may result during an operation which involves toxic or odorous liquid. Ventilate the operating site sufficiently. Caution ● Damaged pump Never operate a damaged pump. A damaged pump may cause leakage or electrical shock. Prohibited ●...
- Page 6 Safety instructions CAUTION ● Waterproof cover mounting The waterproof property of IP67 is maintained as long as the waterproof cover is prop- erly mounted. The waterproof cover has the direction for mounting. Do not mount it upside down. The cover must be fixed securely with six thumb bolts. If the pump is used without the waterproof cover or with the cover wrongly mounted, the waterproof property of IP67 is not maintained resulting in pump failure.
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Page 7: Outline 6
Outline 1.Unpacking & Inspection ......6 2.Operation Principle ......6 3.Identification Codes ......7 4.Features ..........8 5.Main Parts ..........8 6.Specifications ........9 7.Operating Function ......11 8.STOP Function ........11 - 5 -... -
Page 8: Unpacking & Inspection
Outline 1. Unpacking & Inspection After unpacking the pump, check the following points to ascertain that the product is exactly as you ordered. If you find anything wrong, please get in touch with your dealer. [1] Do the model, discharge pressure, voltage, etc., shown on the nameplate represent what you ordered? [2] Has the pump been damaged in transit? -
Page 9: Identification Codes
Outline 3. Identification Codes (Example) EK - B 11 PC - 20E P R 2 - (2) (3) (4) (5) (6) (7) (8) (1) Pump Series (2) Drive unit : B Average power consumption 20W C Average power consumption 22W (3) Diaphragm diameter (Nominal mm) 11: 10mm, 16: 15mm, 21: 20mm, 31: 30mm, 36: 35mm (4) Wet-end material... -
Page 10: Features
Outline 4. Features 1) EK Series pump is a totally enclosed and water-proof construction (IP67 certified) type electromagnetic metering pump. The waterproof property of IP67 is maintained as long as the waterproof cover is prop- erly mounted. 2) The pump is water-proof construction and can be installed outdoor. Electronics parts and print circuit board are moulded by plastic resin to avoid the deterioration by humidity. -
Page 11: Specifications
Outline 6. Specifications ■ Wet-end material codes : VC, VH, PC, PH Model mL/min Max. disch. capacity L/hr 12.6 16.2 25.2 Disch. capacity per shot mL/shot 0.11 0.18 0.31 0.58 0.22 0.40 0.75 1.17 Max. disch. pressure 0.35 Stroke length 1.0 (Effective adjusting range : 40-100%) 1.25 (Effective adjusting range : 30-100%) Stroke rate... - Page 12 Outline ■ Wet-end material code : TC Model mL/min Max. disch. capacity L/hr 16.2 24.0 Disch. capacity per shot mL/shot 0.11 0.31 0.38 0.75 1.11 Max. disch. pressure 0.35 1.0 (Effective adjusting range : Stroke length 1.25 (Effective adjusting range : 30-100%) 40-100%) Stroke rate 1-360...
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Page 13: Operating Function
Outline ■ Controller specifications 1. Operation function Manual operation Stroke rate : 1 – 360 spm External signal operation 1) Operation by external pulse signal : Synchronous operation (one shot per pulse) with external pulse signal. 2) Stop function : to stop pump operation by external stop signal. 2. -
Page 14: Installation 13
Installation 1.Before Use ........13 2.Notes on Operation ....... 13 3.Installation ........14 4.Dimensions ........15 5.Piping ..........18 6.Electrical Wiring ......19 - 12 -... -
Page 15: Before Use
"Strictly observe the following points." Read through this instruction manual before installation. Do not run the pump with a poor understanding. EK Series is an enclosed and water-proof construction, however use the pump observing the following con- ditions. 1) Do not submerge the pump. This pump is not a submergible pump. -
Page 16: Installation
Installation 3. Installation 1) Ambient conditions Temperature : 0 – 50 deg. C (0 – 45 deg. C for PVC type) Humidity : 35 – 95% RH (No dew drop should be inside the pump.) Storage temperature : -10 – 50 deg. C 2) Install the pump at horizontal place where no vibration is generated. -
Page 17: Dimensions
Installation 4. Dimensions EK-B11, B16, B21, C16 and C21 Types (VC, VH, PC, PH, TC) (260.5) (37) (26) (145) (197.5) EK-B31 and C31 Types-(VC, VH, PC, PH, TC) (241.5) (16) (145) (28) (197.5) - 15 -... - Page 18 Installation EK-C36 (VC, VH, PC, PH, TC) (241) (16) (145) (27.5) (197.5) EK-B11, B21, C21 Types (SH) (237.5) (15) Rc1/4 (9) ODØ4 Rc1/4 (9) (145) (25) (197.5) - 16 -...
- Page 19 Installation EK-C31 Type (SH) (239) (15) ODØ4 Rc1/4 (9) Rc1/4 (9) (145) (26.5) (197.5) EK-C36 Type (SH) (239) (15) ODØ4 Rc1/4 (9) Rc1/4 (9) (145) (26.5) (197.5) - 17 -...
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Page 20: Piping
Installation ■ Connection of hose for material codes 5. Piping VC, VH, PC, PH, TC 1) After the hose is put on the connection port and Hose the fitting nut is tightened by hand, tighten the nut by half turns by wrench. Securely tighten the nut so that the liquid can not leak nor suck the air. -
Page 21: Electrical Wiring
Installation 6. Electrical Wiring CAUTION ● Only qualified operators/service staff should be in charge of the related electrical arrange- ment and control of the power source. Failure to observe this instruction may result in injury to person or damage to assets. ●... - Page 22 Installation In case the pulse input is used. The pulse input is used when the pump is operated by EXT mode. The EXT mode means that the pump makes one shot per one external pulse signal. (Pump speed must be max.
- Page 23 Operation 1.Bleeding ........... 22 2.Flow rate Adjustment ..... 24 3.Operation ......... 25 4.Waterproof cover Mounting ..29 - 21 -...
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Page 24: Bleeding
Operation After the installation, piping, and wiring works are completed, operate the pump in accordance with the follow- ing steps. CAUTION ● Do not operate the pump with a completely closed discharge-side valve. Operating the pump with the discharge-side valve fully closed may lead to liquid leak- age or pipe rupture. - Page 25 Operation VC, VH, PC, PH, TC types <Bleeding for EK-B11, 16, 21 and EK-C16, 21 models> Air vent port Air vent adjusting screw [1] Start the pump. See the clause "Operation" to operate the pump. [2] Rotate the air vent adjusting screw counter- clockwise (almost half a turn) to open the air vent port.
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Page 26: Flow Rate Adjustment
Operation 2. Flow rate Adjustment There are two ways to adjust the discharge capacity. A) Adjustment of stroke rate : Stroke speed (stroke per minute) is changed by the controller. B) Adjustment of stroke length : Stroke length is changed by stroke length adjusting dial to adjust the discharged capacity per stroke. -
Page 27: Operation
Operation 3. Operation Control panel Set value and operating condition are displayed. Key to start and stop Key to increase the stroke rate the pump in the manual and to change the set value. operation mode. Key to decrease the stroke rate Lamp lights when and to change the set value. - Page 28 Operation Overview operating chart Wait display UP stroke rate DOWN stroke rate Power ON EXT mode WAIT mode Set mode Manual operation mode Set display Select Operating at max. spm while both keys MANUAL operation display Enter are pressed. EXT operation display UP stroke rate DOWN stroke rate means automatic move.
- Page 29 Operation Operation Power ON When the power is ON, the display comes to WAIT mode after program version is momentarily displayed. (When the power is switched on initially.) Once the initial power is switched on, it comes to the mode at which the power was off last time.
- Page 30 (msec) to recognize pulses. ON time of input pulse should be larger than the chattering figures. 2. If used combined with other IWAKI electronic pump controller, set at T-5. Pump may not operate if set at T-20 or T-50.
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Page 31: Waterproof Cover Mounting
2. The waterproof cover has the direction for mounting. Mount the cover in the direction so that you can read "IWAKI" mark shown on the cover. When the cover is mounted upside down, you can not tighten two bolts in the centre among six bolts. - Page 32 Maintenance 1.Troubleshooting ......31 2.Maintenance & Inspection .... 32 3.Wear Parts ........33 4.Disassembly & Assembly ..... 34 5.Exploded View ........ 38 6.Accessories ........42 - 30 -...
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Page 33: Troubleshooting
Maintenance Instruction for safety Any work related to maintenance, inspection, dismantlement and assembly should be done according to this instruction manual. Do not handle the pump beyond the instruction shown on this manual. WARNING ● Wear protector Coming in contact with a hazardous liquid can lead to serious injury. Always wear protective clothing such as protective goggles, cap, and gloves during maintenance and inspection work. -
Page 34: Maintenance & Inspection
Maintenance 2. Maintenance & Inspection Stop the pump immediately when detecting any abnormality in a daily inspection. Take measures accord- ing to "Troubleshooting" section. When wear parts come to the life limit, replace them by new ones. Refer to "Wear parts" section. Daily inspection Description How to Check... -
Page 35: Wear Parts
Maintenance 3. Wear Parts If the pump is operated for a long period, it is necessary to replace the expendable parts. It is recommended you always stock the following expendable parts. Diaphragm type Parts Quantity/unit Time to be replaced VC, VH, PC, PH, TC Valve unit 2 units Diaphragm... -
Page 36: Disassembly & Assembly
Maintenance 4. Disassembly & Assembly WARNING ● Pay special attention to the presence of residual liquid inside the pump when disas- sembling the pump. ● Wash the wet-end parts in the pump head with water. Diaphragm and high viscosity types ■... - Page 37 Maintenance [2] Removal of the valve set on the suction side. Loosen the fitting nut (4) and detach the tube from the pump. · Pay attention to the residual liquid which may flow out of the end of the disconnected tube. Use a wrench to loosen and remove the connecting port (3).
- Page 38 Maintenance ■ Replacement of valve set for wet- Air vent adjusting screw end material code SH (Refer to Air vent body A exploded view on page 40.) <Disassembly of discharge valve> Lock nut 1) Remove every hose and pipe. 2) Turn the lock nut to left with wrench to remove air vent body.
- Page 39 Maintenance ■ Air vent assembly Air vent unit A(5) Use a wrench to loosen the lock nut(6). Since the air vent unit(A) can be rotated 360 degrees, the tube connection position can be selected freely to satisfy your requirements. The lock nut shall be loosened to make sure that the tube is Lock nut(6) not positioned over the pump head.
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Page 40: Exploded View
Maintenance 5. Exploded View Thumb Bolt Air vent ass'y Cover ass'y Disch. valve unit EK-B31/C31/C36 Spacer Gasket Retainer Control unit Diaphragm Drive unit Dial fixing bolt Stroke length adjusting dial Suc. valve unit - 38 -... - Page 41 Maintenance ■ Pump Unit ● EK-B11, B16, B21, C16, C21 (VC, VH, PC, PH, TC) Parts name Quantity Pump head Fitting 1 (2) Fitting nut 3 (2) Air vent body B 1(0) Lock nut 1(0) Diaphragm Retainer Air vent body A 1(0) Valve guide Valve seat...
- Page 42 Maintenance ● EK-B11, B21, C21, C31, C36 (SH) Parts name Q’ty Pump head Fitting Diaphragm Retainer Valve guide Valve seat Valve Valve gasket B Diaphragm spacer (NOTE) Hex. socket cap bolt (with SW, PW) Valve gasket A Adjusting screw Seal nut Seal ring Seat Seat ring...
- Page 43 Maintenance ■ Check valve (CA-1, CA-2) Name Quantity Fitting nut Check valve body Poppet valve Spring Spacer Valve Fitting A O ring O ring - 41 -...
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Page 44: Accessories
Maintenance 6. Accessories ■ Specification of check valve(CA, CS), back pressure valve(BVC) (Optional Items) Material Material Code Diameter Applicable of Liquid of Liquid Type Pressure of Fitting Pump Contacting Contacting Parts Parts of Pump CA-1V-4 Ø 4 × Ø 9 CA-1E-4 EK-B11, B16, B21 CA-1V-6... - Page 45 IWAKI CO.,LTD. 6-6 Kanda-Sudacho 2-chome Chiyoda-ku Tokyo 101-8558 Japan TEL:(81)3 3254 2935 FAX:3 3252 8892(http://www.iwakipumps.jp) U.S.A. : IWAKI America Inc. TEL : (1)508 429 1440 FAX : 508 429 1386 Germany : IWAKI EUROPE GmbH TEL : (49)2154 9254 0 FAX : 2154 1028 Australia : IWAKI Pumps Australia Pty.
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