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Iwaki
Electromagnetic Metering Pump
EJ-B(R) (Europe)
Instruction manual
Thank you for choosing our product.
Please read through this instruction manual before use.
This instruction manual describes important precautions and
instructions for the product. Always keep it on hand for quick
reference.
2013 IWAKI CO., LTD.
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Table of Contents
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Summary of Contents for IWAKI PUMPS EJ-B Series
- Page 1 Iwaki Electromagnetic Metering Pump EJ-B(R) (Europe) Instruction manual Thank you for choosing our product. Please read through this instruction manual before use. This instruction manual describes important precautions and instructions for the product. Always keep it on hand for quick reference.
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Page 2: Order Confirmation
Order confirmation a. Check if the delivery is correct. Open the package and check that the product conforms to your order. If any problem or inconsistency is found, immediately contact your distribu- tor. Check the nameplate to see if the information such as model codes, dis- charge capacity and discharge pressure are as ordered. -
Page 3: Table Of Contents
Contents Order confirmation ..................... 2 Safety instructions ............... 6 Warning ......................7 Caution ......................8 Precautions for use ..................10 Overview ..................12 Introduction .....................12 Pump structure & Operating principle ............12 Features .......................13 Operational functions ..................13 Manual mode ....................13 EXT mode ....................14 STOP function .....................14 Operational panel ..................16 Basic displays &... - Page 4 Operation ..................28 Before operation .................... 28 Points to be checked .................. 28 Retightening of pump head fixing bolts ............28 Use of hexagon wrench instead of a torque wrench ......29 Degassing ....................29 Flow rate adjustment .................. 32 Before a long period of stoppage (one month or more) ......
- Page 5 Exploded view ....................52 Pump head & Drive unit ................52 Pump head ....................53 Specifications/Outer dimensions ..............54 Specifications ..................... 54 Pump unit ....................54 Control unit .................... 55 European power cable ................55 Australian power cable ................55 Pump colour ..................55 Outer dimensions..................
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Page 6: Safety Instructions
Safety instructions WARNING Read through this section before use. This section describes important information for you to prevent personal injury or property damage. CAUTION Requirement Wear Grounding Caution Electrical Prohibited Do not rework protection shock or alter ■ Symbols In this instruction manual, the degree of risk caused by incorrect use is noted with the following symbols. -
Page 7: Warning
WARNING Electrical shock Requirement Prohibited Do not rework or alter Turn off power before service Risk of electrical shock. Be sure to turn off power to stop the pump and related devices before service is performed. Wear protection Stop operation If you notice any abnormal or dangerous conditions, suspend op- eration immediately and inspect/solve problems. -
Page 8: Caution
CAUTION Requirement Prohibited Caution Qualified personnel only Prohibited The pump should be handled or operated by qualified personnel with a full understanding of the pump. Any person not familiar with the prod- uct should not take part in the operation or maintenance of the pump. Caution Use specified power only Do not apply power other than that specified on the nameplate. - Page 9 Prohibited Grounding Electrical shock Requirement Do not use the pump in a wet location Prohibited The pump is not waterproof. Use of the pump in wet or extremely humid locations could lead to electric shock or short circuit. Grounding Requirement Risk of electrical shock! Always properly ground the pump.
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Page 10: Precautions For Use
• Electrical work should be performed by a qualified electri- – Where ambient temperature can exceed 0-40ºC. Caution • Select a level location, free from vibration, that won't hold • When two or more pumps are installed together, vibration • Allow sufficient space around the pump for easy access Precautions for use cian. - Page 11 • Use care handling the pump. Do not drop. An impact may • The pump has a rating of IP65 equivalent, but is not water- • Do not close discharge line during operation. Solution may • Solution in the discharge line may be under pressure. Caution •...
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Page 12: Overview
Overview Pump characteristics, features and part names are described Pump structure & Operating principle in this section. The EJ series is a diaphragm metering pump which consists of a pump head and a drive unit with a built-in controller. A diaphragm is directly driven by elec- tromagnetic force. -
Page 13: Features
Features Manual mode Run/stop the pump by the start/stop key. A stroke rate (MAN speed) can be changed in the range of 1-360spm by the up key at any time during operation or stop. See page 36 for detail. ● Multivoltage operation The EJ series is a multivoltage type (100-240VAC) and can be selected with- out local power limitations. -
Page 14: Ext Mode
EXT mode to 1 and the pump makes one shot at every input of the signal. See page 38 for detail. STOP function The start/stop of the pump can be controlled by the external STOP signal. See page 39 for detail. The pump operation by the external signal. -
Page 15: Part Names
Pump Part names Air vent port Always connect a tube. Be sure to return the tube end to a supply tank or a container. Adjusting screw A circumferential direction of the Used for opening the air vent port. port can be changed up to 90 degrees counterclockwise from the original position. -
Page 16: Operational Panel
Operational panel START STOP ON LED Display Stroke rate and operational status are shown here. 16 Part names Lights as turning on power and flashes at each stroke. UP key Used for increasing numeric val- ues. If this key is kept pressed, the value rises faster. -
Page 17: Basic Displays & Pump States
■ Basic displays & Pump states Shows a pump speed in spm. The spm Represents the pump flashes during operation in MAN and EXT is in EXT mode. modes. The indication changes to "- - -" when the pump enters maintenance mode. Represents the pump is receiving the STOP signal. -
Page 18: Identification Codes
EJ - B 11 VC The model codes of the pump/drive units represent the following information. e f g h Code PTFE + EPDM EPDM EPDM PTFE PVDF Identification codes No code ø4×ø6 ø4×ø6 ø4×ø6 ø6×ø8 ø6×ø8 ø6×ø8 ø4×ø9 ø4×ø9 ø4×ø9 ø4×ø9 ø4×ø6... -
Page 19: Installation
Installation This section describes the installation of the pump, tubing and wiring. Read through this section before work. • Risk of electrical shock. Be sure to turn off power to stop the pump and • If you notice any abnormal or dangerous conditions, suspend operation •... -
Page 20: Pipework
Connect tubes to the pump and install a check valve. Tube connection Tube b. Fit the tube end (hose adapter) to the c. Retighten the fitting nut by turning it * The plastic fitting nut may be broken if it is Pipework Tube end (Side view) Before operation... - Page 21 Tube Tube Connect tubes into the inlet and b. Adjust the direction of the air vent outlet. Outlet c. Hand-tighten the lock nut, holding d. Turn the lock nut 90 degrees Inlet Connect an air bleed tube into the Air vent port air vent port.
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Page 22: Check Valve Mounting
Check valve mounting Install an optional check valve to the EJ for the prevention of a back flow, si- phon and overfeeding. In the following cases be sure to install the check valve. • A suction side liquid level is higher than a discharge side or an injection point •... - Page 23 * The CAN check valve has R1/2 and R3/8 thread connections as well as a ø9 * The CBN check valve of which the both ends are tube connections is also NOTE Mount a check valve at the discharge tube end. tube connection.
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Page 24: Wiring
Wiring for a power voltage, earthing and an external signal. • Electrical work should be performed by a qualified electrician. Always • Observe the rated voltage range, or the electrical circuit in the control • Do not perform wiring work while electric power is ON. Otherwise, an •... - Page 25 NOTE • Do not share a power source with a high power device which may generate surge • Energize the pump with a power voltage via a mechanical relay or switch. Do not POWER POWER TIME TIME • Install a surge absorption element (ex. a varister with capacity of 2000A SUNTAN TSV14D511K voltage.
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Page 26: Signal Wire Connection
• Do not turn ON/OFF power voltage more than six times per hour. • When using a mechanical relay for ON-OFF operation, its contact capac- • If a mechanical relay with the contact capacity of 5A is used, the maxi- Signal wire connection •... -
Page 27: Input Signal
• When using an open collector: • When using a contact: PIN 3 : COM (blue) * Each terminal is coloured as NOTE • Do not lay on these signal cables in parallel with a power cable or combine them in a •... -
Page 28: Operation
Operation This section describes pump operation and programming. Run the pump after pipework and wiring is completed. Points to be checked adjustment before starting operation. Before operation, check if... • Electrical wiring is correct and is free from the risk of short circuit and electri- Before operation Check a flow rate, tubing and wiring. -
Page 29: Use Of Hexagon Wrench Instead Of A Torque Wrench
° Degassing The gas needs to be expelled from the pump and tubing by degassing. Normal performance can not be obtained with gas in the pump. Conduct degassing in the following cases. ■ Use of hexagon wrench instead of a torque wrench NOTE Fasten the fixing bolts as tight as can be by the hand with the straight long part of a hexagon wrench (a) and further turn the bolts clockwise 90 degrees with... - Page 30 START STOP * The pump waits in the MAN mode when the • This programming is not necessary when the display already shows • If the key is pressed and held, the spm will quickly increases to the Points to be checked Air bleed tube •...
- Page 31 START START STOP STOP Push the start/stop key and run the pump for more than ten minutes. Push the start/stop key and stop the pump. Rotate the adjusting screw clockwise to close the air vent port. Check liquid is discharged. *Degassing is required again if the pump does not discharge liquid.
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Page 32: Flow Rate Adjustment
Flow rate adjustment adjustment is not available). A stroke rate can be set by keypad operation from below. * The discharge capacity described on • Push the start/stop key when the • When "STOP" appears on the Stroke rate 360 spm START STOP A flow rate can be adjusted only by changing a stroke rate (stroke length... - Page 33 • Press and hold the key for three seconds for quick increment. Quick START START STOP STOP Use the UP key to adjust a stroke rate. • spm increases as pushing the UP keys. increment stops at 360spm. 360spm skips to 1spm when the key is released and pushed once.
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Page 34: Before A Long Period Of Stoppage (One Month Or More)
Before a long period of stoppage (one month or more) • Run the pump with clean water for about 30 minutes to rinse chemicals off • Always stop the pump by key operation and wait for three seconds before • Clean the valve sets and remove foreign matters. •... -
Page 35: Operation Programming
Operation at each mode is individually set and controlled by keypad operation. Select a proper mode to make optimal operation. Maintenance mode Power ON 3 sec. Power ON while the UP key is pressed. The maintenance mode will come up after 3 seconds. -
Page 36: Manual Operation
Manual operation * The pump waits in the manual mode when Turn on power. The LED lights and a display related to the current mode appears on the screen. the power is turned ON with a default set- START ting or calls up the last selected mode when STOP powered on with other settings. - Page 37 • Press and hold the key for three seconds for quick increment. Quick Use the UP key to set a stroke rate. • spm increases as pushing the UP key. increment stops at 360spm. 360spm skips to 1spm when the key is released and pushed once.
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Page 38: Ext Operation
EXT operation The pump operation is controlled by the external (pulse) signal. In this mode, the pump runs in sync with each external signal. NOTE * The displayed spm shows an actual pump speed in the EXT mode. The maximum stroke rate is 360spm in the EXT mode. Enter WAIT mode. -
Page 39: Stop Function
STOP function The start/stop of the pump operation can be controlled by the external stop signal. The display changes as below when the STOP signal is inputted. MAN mode STOP signal START START STOP STOP EXT mode STOP signal START START STOP STOP... -
Page 40: Keypad Lock
Keypad lock Keypad lock can be active in the MAN or EXT mode for the prevention of erro- neous key operation. The "LOCK" indication appears while keypads are locked. NOTE START STOP Any key operation is not acceptable when the keypads are locked. In an emergency, unplug the pump to stop operation. -
Page 41: Maintenance
Maintenance This section describes troubleshooting, inspection, wear part • Follow instructions in this manual for replacement of wear parts. Do not • Always wear protective clothing such as an eye protection, chemical re- • Risk of electrical shock. Be sure to turn off power to stop the pump and replacement, exploded views and specifications. -
Page 42: Troubleshooting
First check the following points. If the following measures do not help removing problems, contact us or your nearest distributor. • Observe the allowable voltage ( blank LED • Check the switch if it is installed. • Correct wiring. • Replace a breaking wire to new one. -
Page 43: Inspection
Daily inspection Perform daily and periodic inspection to keep pump performance and safety. Check the following points. Upon sensing abnormality, stop operation immedi- ately and remove problems according to "Troubleshooting". When wear parts come to the life limit, replace them with new ones. Contact us or your nearest distributor for detail. -
Page 44: Wear Part Replacement
To run the pump for a long period, wear parts need to be replaced periodically. It is recommended that the following parts are always stocked for immediate replacement. Contact us or your nearest distributor for detail. • Solution in the discharge line may be under pressure. Release the pres- Wear part list •... -
Page 45: Before Replacement
Before replacement First release pressure from the pump head. NOTE NOTE Stop the pump operation. Rotate the adjusting screw two revolutions anticlockwise to open the air vent port. Do not rotate it three revolutions or more. Otherwise, the adjusting screw may come off with solution spray. -
Page 46: Valve Set Replacement
Valve set replacement • Adjustable wrench or spanner • 21mm box wrench • A pair of tweezers NOTE ■ Discharge valve set disassembly/assembly Necessary tools *Unfix the pump base before disassembly. Loosen the fitting nut to remove a dis- Air bleed tube charge tube and an air bleed tube. - Page 47 * Be careful not to misarrange the valve set or place * Do not forget to fit O rings and gaskets. * Keep the valve set free from dust or foreign matters. Remove the air vent body B with a 21mm box wrench. Air vent body B Pull out the valve set by a pair of tweezers.
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Page 48: Suction Valve Set Dismantlement/Assembly
NOTE NOTE ■ Suction valve set disassembly/assembly Be careful not to drop the valve set. * Be careful not to misarrange the valve set or place Remove the fitting nut and the suction tube. * Do not forget to fit O rings and gaskets. Wash out residual liquid or substances. -
Page 49: Diaphragm Replacement
Diaphragm replacement • Adjustable wrench or spanner • Hexagon wrench • Torque wrench NOTE • Pay attention not to loose diaphragm spacers. Always apply a proper number of dia- • Do not access the pump in or right after operation. Wait until the drive unit of the Necessary tools phragm spacers. - Page 50 * LCD flashes wile the shaft is extended. NOTE START START STOP STOP • Do not extend the shaft any purposes other than the replacement of the dia- • Do not keep the shaft extended for 10 minutes or more. Push the UP key again Push the UP key to extend the pump shaft to the full.
- Page 51 START START STOP STOP Push the UP key again to contract the pump shaft to the minimum. Push the start/stop key to enter the WAIT mode. Mount the pump head. Tighten the pump head fixing bolts evenly to 2.16N•m in diagonal order. *A hexagon wrench can be used for a torque wrench.
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Page 52: Exploded View
Pump head & Drive unit The pump in the diagram below is completely dismantled. Do not dismantle the pump beyond the extent shown in this instruction manual. Exploded view 52 Exploded view Diaphragm spacer Valve set Retainer Pump body Diaphragm Valve set... -
Page 53: Pump Head
Pump head 10 Valve seat 11 Valve 12 Valve gasket 13 O ring 14 Diaphragm spacer 16 Adjusting screw 18 O ring (P4) 19 O ring (P10A) 20 O ring (P10) 24 Hose stopper 25 Hose adaptor 26 O ring (P9) 28 Bolt cover * The number of diaphragm spacers Part names... -
Page 54: Specifications/Outer Dimensions
Information in this section is subject to change without notice. Power con- 1.14 EJ-B09 EJ-B11 1-360 EJ-B16 EJ-B21 * The above information is based on pumping clean water at rated voltage and ambient * Flow rates were collected at the maximum discharge pressure and 360spm. A flow * Allowable ambient temperature: 0-40°C * Allowable liquid temperature: 0-40°C (VC/VH) or 0-60°C (TC) * Allowable power voltage deviation: ±10% of the rated voltage... -
Page 55: Control Unit
Mode UP key Buffer ■ Control unit Manual Operation mode Mode selection Key operation Setting range 1-360spm Stroke rate Spm programming STOP function Input signal No-voltage contact or open collector* Maximum spm 360 spm EXT mode Pump behaviour 1 shots per signal* Input signal No-voltage contact or open collector* 7×3 LCD with three status codes... -
Page 56: Outer Dimensions
Outer dimensions (219) (194) (47) LOCK ■ EJ-B09/-B11/-B16/-B21 VC/VH (24) 36.5 76.5 9 16.5 10 56 Specifications/Outer dimensions... -
Page 57: Ej-B11/-B16/-B21 Tc
(220) (195) (48) ■ EJ-B11/-B16/-B21 TC LOCK (24) 36.5 76.5 9 16.5 10 Specifications/Outer dimensions... -
Page 58: Ec Declaration Of Conformity
EC Declaration of Conformity ELECTROMAGNETIC METERING PUMP EJ-B FOLLOWING STANDARDS OR DIRECTIVES AS FAR AS APPLICABLE (SUPPLIER’S NAME) IWAKI CO.,LTD. (ADDRESS) 6-6 2-CHOME KANDA-SUDACHO CHIYODA-KU TOKYO JAPAN (PRODUCT) DECLARE UNDER OUR SOLE RESPONSIBILITY THAT THE PRODUCTS (MODEL NAME) DOCUMENT NO. IS-51K-430 TO WHICH THIS DECLARATION RELATES ARE IN CONFORMITY WITH THE (DIRECTIVES) MACHINERY DIRECTIVE 2006/42/EC (Annex llA) - Page 59 ( )Country codes 6-6 Kanda-Sudacho 2-chome Chiyoda-ku Tokyo 101-8558 Japan IWAKI CO.,LTD. Sensys Ltd 01438 759595...
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