Thank you for selecting the IWAKI's electromagnetic metering pump ES series. This instruction manual deals with "Safety Instructions", "Outline", "Installation", "Operation" and
"Maintenance" sections.
Please read through this manual carefully to ensure the optimum performance, safety and
service of your pump.
Contents
Important instructions ····························································· 1
8. Parts list ········································································· 20
Contact us or your nearest dealer if you have any questions.
Important instructions
For the Safe and
Correct Handling of the pump
●
"Safety Instr uct ion" 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.
●
Observe the instr uct ions accompanied with "WARN I NG" or "CAUTION" in this manual. These
instructions are very important for protecting pump users from dangerous situations.
●
The symbols on this instruction manual have the following meanings:
Nonobservance or misapplication of the contents of
WARNING
“Warning” section could lead to a serious accident
which may result in death.
Nonobservance or misapplication of the contents of
CAUTION
“Caution” section could lead to a personal injury or
damage to the product.
Types of Symbols
Indicates that “War n ing” or “Caution” must be exercised. Inside this tr iangle, a concrete and practical image provided as a warn ing or caution message is depicted.
Indicates a prohibited action or procedure. Inside or near this circle, a concrete and
practical image of the activity to be avoided is depicted.
Indicates an imp or t a nt ac t ion or proce du re which must b e p er for med or ca r ried out
without fail. Failure to follow the instr uctions herein can lead to malfu nction or
damage to the pump.
- 1 -
Safety instructions
Electrical Shock
Prohibited
No Remodeling
Wear protective
gear
Prohibited
WARNING
●
Turn off power
Working on the pump while the power is ON, you may be shocked. Be sure
to turn off the pump and related devices before any work.
●
Terminate operation
Finding any abnormal condition, stop the operation immediately and
inspect/solve problems.
●
For specified application only
The use of the pump in any application other than those clearly specified
may result in injury or damage. Use the pump in a specified condition.
●
No modification
Do not modify the pump. We are not responsible for any accidents or damage due to modification.
●
Wear protective clothing
Always wear protective clothing such as safety goggles, protective gloves
when arranging piping or dismantling the pump.
●
Do not place the pump close to water
The pump is not water-proof construction. The use of the pump in a humid
place or a place where the pump can bet wet, electrical shock or short-circuit may result.
CAUTION
●
Restriction on pump operator
The pump should be handled by a qualified person with a full understanding of the pump.
●
Specified power only
Do not apply any power other than the specified one on the nameplate.
Otherwise damage or fire may result.
●
Do not run pump dry
Prohibited
Prohibited
Do not run pump dry. Parts friction heat is generated and damages the
pump if the pump runs without liquid.
●
Do not wet the pump
If a liquid spills over electric parts or wires, a fire or electrical shock may be
caused. Install the pump in a place free from liquid spillage.
- 2 -
Prohibited
Do not wet
or dampen
Safety instructions
Caution
Prohibited
Electrical Shock
Electrical Shock
Prohibited
Caution
CAUTION
●
Ventilate
Poisoning may result when handling toxic or odorous liquid. Ventilate the
operating site sufficiently.
●
Countermeasure against efflux
Take a protective measure against the accidental efflux caused by the
pump or piping breakage.
●
Damaged pumps
Do not use any damaged pump. Using a damaged pump could lead to an
electric leak or shock.
●
Do not damage power cable
Do not scratch, damage, modify, or pull the power cable. Heating the cable
or placing a heavy thing on it may damage the cable and may result in a
fire or electrical shock.
●
Install an earth leakage breaker
Risk of electrical shock. Do not run the product without an optional leakage
breaker. Secure a leakage breaker to reduce the risk of electrical shock.
Purchase separately.
●
Damaged power cable
Caution
Do not use any damaged power cable for the prevention of a fire or electrical shock. Handle the power cable with care.
●
Wear parts replacement
Replace wear parts in accordance with instructions. Do not dismantle the
pump beyond the extension described on this manual.
●
Limited operating site and storage
Do not install or store the pump in the following places...
1. Ambient temperature is beyond 0-40 dig.C.
2. Under a flammable atmosphere.
●
Pump disposal
Any used or damaged pump must be disposed of in accordance with local
laws and regulations. (Consult a licensed industrial waste products disposing company.)
- 3 -
Outline
1.Safety and Caution Notes
2.Principle of Operation
3.Specifications
- 4 -
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5
5
6
Outline
1. Safety and Caution Notes
Avoid areas where ambient temperature exceeds 40 degrees Celsius or falls below 0 degrees Celsius, or
where the pump or tubing would be exposed to direct sunlight.
Disconnect the pump from electrical power source before performing any maintenance.
When working on or around a metering pump, always wear proper protective clothing and equipment as rec-
ommended by the supplier of the liquid being pumped.
Depressurize the discharge tubing before disconnecting the tubing or performing any maintenance on the
pump.
2. Principle of Operation
The ES series electromagnetic metering pump consists of a pump unit, a driving unit, and a control unit.
The drive unit is an electromagnetic solenoid. When the solenoid coil is energized by the control unit the
armature shaft moves forward due to the magnetic force of the solenoid. The shaft is attached to a PTFE
faced diaphragm which is part of the pump unit. The diaphragm is forced into the pump head cavity decreas-
ing volume and increasing pressure which forces liquid in the pump head out through the discharge check
valves. When the solenoid coil is de-energized, a spring returns the armature to its starting position. This
action pulls the diaphragm out of the head cavity increasing volume and decreasing pressure. Atmospheric
pressure then pushes liquid from the supply tank through the suction check valves to refill the pump head.
- 5 -
Outline
3. Specifications
Capacity/Pressure Rating
ModelB11B16B21B31C16C21C31C36
Max. capacity L/H2.283.95.712.04.87.816.224.0
Max. capacity ml/min38659520080130270400
Max. discharge pressure
MPa
Stroke rate0 - 353 spm
Stroke length1.00 mm (Fixed stroke length)1.25 mm (Fixed stroke length)
Power supply207 - 253VAC, 50Hz single phase
Average power consumption
Connection tubing
ID×OD
• Max. capacity is measured with clean water under the Max. discharge pressure. Actual discharge capacity
may increase if the discharge pressure is low.