IWAKI PUMPS EHN-R Manuel utilisateur

2008 IWAKI CO.

LTD.

Iwaki

Electromagnetic Metering Pump

EHN-R (Standard)

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.

Safety instructions

Outline Installation Operation Maintenance Speciﬁcation

2Order conﬁrmation

1P423609

CAPACITY

MAX.PRESSURE

STROKE RATE

VOLTAGE

POWER CONSUMPTION

THERMALLY PROTECTED

MODEL

MFG.No.

m /

min

MPa

spm

V FREQUENCY 50/60 Hz

CURRENT A

Iwaki

Metering Pump

IWAKI CO.,LTD.

TOKYO JAPAN

Back pressure valve

Check valve

Order conﬁrmation

After unpacking, check the following points. Contact us or your nearest

dealer if the delivery is imperfect.

a. Check if the delivery is as per order.

Check the nameplate to see if the dis-

charge capacity, discharge pressure

and voltage are as per order.

b. Check if accessories are complete.

• A check valve or a back pressure valve

*The attached check valve and back pressure valve vary

with pump models. See page 86 for accessory list.

• A tube (3m)

(ø4×ø9 or ø8×ø13 PVC braided tube)

*ø4×ø9 or ø8×ø13 EVA tube is attached to the PP type.

*No tube is attached to the FC type.

*ø4×ø6 nylon tube is attached to the H type.

c. Check if the delivery is damaged or deformed.

Check for transit damage and loose bolts.

Contents

Order conﬁrmation ............................................................................................. 2

Safety instructions .......................................................................6

Warning............................................................................................................. 7

Caution.............................................................................................................. 8

Precautions for use ........................................................................................10

Outline......................................................................................... 12

Introduction.....................................................................................................12

Pump structure & Operating principle .........................................................12

Features.......................................................................................................13

Operational function ....................................................................................13

Part names.......................................................................................................16

Pump............................................................................................................16

Operational panel ........................................................................................17

Basic displays & Pump states ................................................................18

Identiﬁcation codes........................................................................................19

Pump/Drive units .........................................................................................19

Control unit ................................................................................................. 20

Installation..................................................................................21

Pump mounting...............................................................................................21

Pipework ......................................................................................................... 22

Tube connection ......................................................................................... 22

Check valve mounting .................................................................................24

Wiring.............................................................................................................. 26

Power supply/Earthing................................................................................ 26

External input cable.................................................................................... 28

4Contents

Operation.....................................................................................32

Before operation ............................................................................................ 32

Points to be checked .................................................................................. 32

Retightening of pump head ﬁxing bolts ...................................................... 32

Degassing................................................................................................... 33

EHN- [11•16•21] [VC•VH•PC•PH•PP] ................................................ 34

EHN- [11•21] [FC] and

[31•36] [VC•VH•PC•PH•PP•FC]........................................................ 36

Flow rate adjustment .................................................................................. 38

Stroke rate adjustment .......................................................................... 39

Stroke length adjustment........................................................................41

Before a long period of stoppage (One month or more)..............................42

Operation programming ............................................................................... 43

Programming ﬂow....................................................................................... 44

Manual operation........................................................................................ 46

EXT operation..............................................................................................47

EXT mode ..............................................................................................47

EXT mode programming....................................................................... 49

STOP function ............................................................................................ 58

STOP function programming................................................................. 58

STOP function cancellation................................................................... 60

Keypad lock ................................................................................................ 62

Maintenance................................................................................64

Troubleshooting............................................................................................. 65

Inspection....................................................................................................... 67

Daily inspection ...........................................................................................67

Periodic inspection ......................................................................................67

Wear part replacement.................................................................................. 68

Wear part list............................................................................................... 68

Before replacement .................................................................................... 69

Contents

Valve set replacement ................................................................................ 69

Discharge valve set dismantlement/assembly ...................................... 69

Suction valve set dismantlement/assembly ...........................................72

Diaphragm replacement ..............................................................................73

Exploded view.................................................................................................76

Pump head, Drive unit & Control unit ..........................................................76

Pump head ................................................................................................. 77

EHN-[B11•B16•B21•C16•C21] [VC•VH•PC•PH].................................... 77

EHN-[B31•C31•C36] [VC•VH•PC•PH] ...................................................78

EHN- PP .............................................................................................79

EHN- FC ............................................................................................ 80

EHN-[C31•C36] VH/PH-V ......................................................................81

Check valve (VC•VH•PC•PH)..................................................................... 82

Speciﬁcation/ Outer dimension ................................................................... 83

Speciﬁcation ............................................................................................... 83

Pump unit .............................................................................................. 83

Control unit............................................................................................ 85

Power cable........................................................................................... 85

Pump colour .......................................................................................... 85

Accessories ................................................................................................ 86

Options ....................................................................................................... 86

Outer dimensions.........................................................................................87

EHN-[B11•B16•B21] [VC•VH•PC•PH•PP] ..............................................87

EHN-B31[VC•VH•PC•PH•PP]................................................................87

EHN-[C16•C21] [VC•VH•PC•PH•PP].................................................... 88

EHN-[C31•C36] [VC•VH•PC•PH•PP].................................................... 88

EHN-[B11•B21] FC ................................................................................ 89

EHN-[C21] FC ....................................................................................... 89

EHN-[C31•C36] FC ............................................................................... 90

Read through this section before use. This section describes

important information for you to prevent personal injury or

property damage.

■Pictorial indication

In this instruction manual, the estimated risk of degree caused by incorrect use

is ranked with the following pictorial indications. First, fully understand informa-

tion on the pictorial indications.

Indicates mishandling could lead to a fatal or seri-

ous injury accident.

WARNING

Pictorial indication accompanies each precaution, suggesting "Caution", "Pro-

hibition" and "Requirement".

Indicates mishandling could lead to personal or

property damage.

CAUTION

Caution marks Prohibition mark Requirement mark

Safety instructions

Prohibition

Electrical

shock

Caution Do not remodel Requirement Wear

protectors

Earthing

For exportation

Technology related to the use of goods in this instruction manual falls in the

category of technology contained in the Foreign Exchange Order Attachment,

which includes complementary export control of technology. Please be remind-

ed that export license, which is issued by the Ministry of Economy, Trade, and

Industry could be required, when this is exported or provided to someone even

in Japan.

Safety instructions

WARNING

Turn off power before work

Risk of electrical shock. Be sure to turn off power to stop the pump

and related devices before work.

Stop operation

On sensing any abnormality or dangerous sign, suspend operation

immediately and inspect/solve problems.

Do not use the pump in anything other than a speciﬁed purpose

The use of the pump in any purpose other than those clearly speci-

ﬁed may result in failure or injury. Use this product in a speciﬁed

condition.

Do not modify the pump

Remodelling the pump carries a high degree of risk. We are not

responsible for any failure or injury results from remodelling.

Wear protective clothing

Always wear protective clothing such as an eye protection, chemi-

cal resistant gloves, a mask and a work cap during dismantlement,

assembly or maintenance work.

Do not damage the power cable

Do not pull or knot the power cable or place a heavy stuff on it.

Damage to the power cable could lead to a ﬁre or electrical shock.

Do not use the pump in a ﬂammable atmosphere

Do not place dangerous or ﬂammable goods near the pump for your

safety.

WARNING

Prohibition

Requirement

Do not remodel

Wear

protectors

Electrical

shock

Prohibition

8CAUTION

A qualiﬁed operator only

The pump must be handled or operated by a qualiﬁed person with a

full understanding of the pump. Any person who is not familiar with

this product should not take part in operation or management.

Use a speciﬁed power only

Do not apply any power other than the one speciﬁed on the nameplate.

Otherwise, failure or ﬁre may result. Also, be sure to earth the pump.

Do not run pump dry

Do not run pump dry for more than 30 minutes (even when the

pump runs for degassing). Otherwise, the pump head ﬁxing screws

may loosen and liquid may leak. Optimise your system in order for

the pump not to run dry. If the pump run dry for a long period (for

more than 30 minute), the pump head and valve case may deform

by friction heat and consequently leakage results.

Do not wet electric parts or wiring

Risk of ﬁre or electrical shock. Install the pump free from liquid spill.

Ventilation

Poisoning may result when handling a toxic or odorous liquid. Keep

good ventilation in your operating site.

Do not install or store the pump in the following places where...

• Under a ﬂammable atmosphere or in a dusty/humid place.

• Ambient temperature is beyond 0-40 degrees Celsius.

• Under direct sunlight or wind & rain.

Countermeasure against efﬂux

Take a protective measurement against an accidental chemical

overﬂow results from pump or piping breakage.

CAUTION

Prohibition

Requirement

Prohibition

Caution

Requirement

Safety instructions

CAUTION

Do not use the pump in a water place

The pump is not totally waterproof. The use of the pump in water or

high humidity could lead to electrical shock or short circuit.

Earthing

Risk of electrical shock. Always earth the pump.

Install an earth leakage breaker

Risk of electrical shock. Do not use the pump without a leakage

breaker. Purchase separately.

Wear part replacement

Follow instructions in this manual for wear part replacement. Do not

dismantle the pump beyond the extent of the instructions.

Do no use a damaged pump

Using a damaged controller could lead to an electric leak or shock.

Disposal of the used pump

Dispose of any used or damaged pump in accordance with relevant

regulations. Consult a licensed industrial waste products disposing

company.

Tighten the pump head

Liquid may leak if pump head ﬁxing bolts are loose. Tighten the

bolts diagonally and evenly before initial operation. Also, periodi-

cally tighten the bolts for the prevention of leakage.

Tightening torque

EHN-B11•16•21, C16•21 : 2.16 N•m

EHN-B31, C31•36 : 2.55 N•m

Earthing

Prohibition

Requirement

Electrical

shock

Requirement

Caution

Prohibition

10 Precautions for use

• Electrical work shall be performed by a qualiﬁed opera-

tor. Otherwise, personal or property damage accident may

result.

• Do not install the pump in the following places where...

–Under a ﬂammable atmosphere or in a dusty/humid place.

–Under direct sunlight or wind & rain.

–Ambient temperature is beyond 0-40 degrees Celsius.

Protect the pump with a cover when installing it out of

doors.

• Select a level location where is free from vibration and

liquid can't stay. Fix the pump with M5 bolts so as not to

vibrate. If the pump is installed at a tilt, the ﬂow may reduce.

• When two or more pumps are installed, the pump opera-

tion interacts each other and vibration becomes signiﬁcant,

resulting in poor performance or failure of internal electri-

cal devices. Select an installation location where tolerates

vibration to enough degree.

• Keep a wide maintenance space around the pump.

• Install the pump as close to a supply tank.

• Install the pump in a cool and dark place when handling

liquids that readily generate gas bubbles such as sodium

hypochlorite or hydrazine solution. Flooded suction mount-

ing is strongly recommended when using the pump with a

supply tank.

Precautions for use

Caution

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