IWAKI MX-70 User manual

Read this manual before use of product
IWAKI Magnetic Drive Pump
MX-70/-100 (Asia Edition)
Instruction Manual

Thank you for selecting an Iwaki MX-70/-100 type Magnetic Drive
Pump. This instruction manual deals with "Safety Instructions",
"Outline", "Installation", "Operation" and "Maintenance" sections.
Please read through this instruction manual to ensure the opti-
mum performance, safety and service of your pump.
WARNING
Nonobservance or misapplication of the
contents of “Warning” section could lead to
a serious accident which may result in death.
CAUTION
Nonobservance or misapplication of the
contents of “Caution” section could lead to
a personal injury or damage to the product.
Types of Symbols
Indicates a prohibited action or procedure. Inside or near this cir-
cle, a concrete and practical image of the activity to be avoided is
depicted.
Indicates an important action or procedure which must be per-
formed or carried out without fail. Failure to follow the instruc-
tions herein can lead to malfunction or damage to the pump.
For the Safe and
Correct Handling of the Pump
●"Safety Instruction" section deals with important details about
handling of the product. Before use, read this section carefully for
the prevention of personal injury or property damage.
●Observe the instructions accompanied with "WARNING" or
"CAUTION" in this manual. These instructions are very impor-
tant for protecting pump users from dangerous situations.
●The symbols on this instruction manual have the following meanings:
Important Instruction
This instruction manual should be kept on hand by the end user
for quick reference.
Contact us or your nearest dealer if you have any questions.
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 reminded 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.
Contents
Safety Instructions ·········································································· 1
Outline 1. Unpacking & Inspection ·······································3
2. Operating principle···············································3
3. Identification code ················································4
4. Specification ························································· 4
5. Outer dimensions ··················································5
6. Performance curves ·············································6
7. Overview & Label·················································6
8. Part names & Structure ········································7
Installation 1. Before installation·················································9
2. Installation/Piping/Electrical wiring ················· 11
Operation 1. Before operation·················································· 14
Maintenance 1. Troubleshooting ·················································· 16
2. Maintenance & Inspection ································· 16
3. Drainage······························································ 17

- 1 -
Power off
Safety Instructions
Prohibited
Prohibited
Prohibited
No modification
No dismantlement
Caution
Caution
Wear protectors
WARNING
● Turn off the power.
Risk of electrical shock. Dismantling/
assembling the pump unit without turn-
ing off the power may cause an electrical
shock. Before engaging in any maintenance
or inspection work, be sure to turn off the
pump and related devices.
● Terminate operation.
On sensing any abnormal sign, stop opera-
tion immediately and inspect/solve prob-
lems.
● 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 dismantlement/modification
Do not dismantle/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 and protective gloves during
pipework or dismantlement.
● Restriction on operator
The pump should be handled by a qualified
person with a full understanding.
● Specified power only
Do not apply any power other than the spec-
ified one on the nameplate. Otherwise dam-
age, a fire or an electrical shock may result.
● Do not wet the pump.
If a liquid spills over electric parts or wires, a
fire or electrical shock may result. Install the
pump in a place free from liquid spillage.
● Ventilation
Poisoning may result when handling a toxic
or odorous liquid. Keep good ventilation in
your operating site.
● Countermeasure against efflux
Take a protective measure against the acci-
dental efflux caused by pump or pipe break-
age.
● Do not use a damaged pump.
Using a damaged pump may lead to an
electric leak or shock.
CAUTION
Prohibited
Prohibited

- 2 -
Prohibited
CAUTION CAUTION
Safety Instructions
● Do not place the pump close to water.
The pump is not dust-/water-proof construc-
tion. The use of the pump in a humid place
or a place where the pump can get wet may
result in electrical shock or short-circuit.
● Do not run pump dry.
If the pump runs without a liquid, the pump
is damaged by friction heat.
● Do not damage the power cable.
Risk of fire or electrical shock. Do not
scratch, modify, or pull the power cable.
The cable can also be damaged when it is
heated or loaded with a heavy thing.
● Earthing
Risk of electrical shock. Always earth the pump.
●Do not pressurize the pump over the
maximum discharge pressure.
A leak may result from the sealing surface
of O ring or the pump fails at worst.
●Install an earth leakage breaker.
An electrical failure of the pump may ad-
versely affect related devices. Purchase and
install an earth leakage breaker separately.
● Power cable is not replaceable.
Do not use any damaged power cable
for the prevention of a fire or an electrical
shock. The cable is not replaceable, so that
the whole pump unit needs to be replaced
when the cable is damaged.
● Limited operating site and storage
Do not install or store the pump in the fol-
lowing places where...
1. Ambient is beyond the range of 0 - 40°C.
2. Under a flammable/corrosive atmos-
phere.
●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.
● Static electricity
When low electric conductivity liquids such
as ultra-pure water and fluor inactive liquid
(e.g. FluorinertTM) are handled, static elec-
tricity may generate in the pump and may
cause static discharge. Take countermeas-
ures to remove static electricity.
Caution
Prohibited
Prohibited
Electrical shock
Prohibited
Earthing
Electrical shock

- 3 -
Before use, check the specification, limitation and hazardous
nature of the pump.
1. Unpacking & Inspection
On unpacking the product, check the following points. If
you find any problems, contact your nearest dealer.
1. Check the information on the name-
plate such as model, discharge
capacity, discharge head and volt-
age to see that the product is deliv-
ered as per order.
2. Check for transit damage, deformation, and loose bolts.
Outline
Inlet
Outlet
Driven magnet
Impeller
Drive magnet
Spindle
2. Operating principle
The MX is a magnetic drive centrifugal pump.
The magnetic force between drive and driven magnets
rotates the impeller in the pump chamber, where a liquid
is transferred from the inlet to outlet.

- 4 -
3. Identification code
MX - 100 VM - 32
a b c d e
a. Series model
GFRPP casing material
b. Pump size
70
100
c. O ring material
V: FKM
E: EPDM
d. Inlet/Outlet
No code: Tube connection
M : Thread type (G)
FL : Flange connection
e. Motor power voltage
No code: 1 phase 100V
32 : 3 phases 200/220V
Outline
4. Specification 50/60Hz
Model Max ow
(L/min)
Max
head
(m)
Norm ow
(m-L/min) Max SG
Motor
Mass
(kg)
Power
(V)
Rated
output
(W)
MX-70 90/100 8/11 5.4-50/7.8-50 1.0 100 150/180 6.5
200 or 220
MX-100 110 /125 8.4/11.7 6-70/9-70 1.2 100 260/260 8.2
200 or 220
Model Tube connection Thread connection Union connection Flange connection
Inlet Outlet Inlet Outlet Inlet Outlet Inlet Outlet
MX-70 26mm G1 20mm 25A
MX-100 26mm G1 20mm 25A
NOTE:
a. Performance data is based on pumping of clear water at
ambient temperature.
b. Allowable liquid temperature is 0-80°C (0-55°C for union
connection). Note that the temperature range may change
with liquid property. Avoid a precipitous fluctuation of tem-
perature even in the liquid temperature range above.
c. The maximum head is a shutoff head. Note that shutoff oper-
ation is not allowed, or it may adversely affect a life period.
d. The maximum specific gravity is obtained at the normal flow
and changes with a duty point, room-/liquid-temperatures
and liquid viscosity.
e. A single-phase capacitor-start induction motor and a
3-phase motor are selectable.
f. See the specification label on the pump for detail info.
g. Performance and dimension are subject to change without
prior notice.

- 5 -
5. Outer dimensions
MX-70(M)/-100(M)
Model W H L a b c d e f g i j k
MX-70(M) 130 155 258.5 110 48 40 65 90 53 159.5 711 60
MX-100(M) 150 175 319.5 110 51 70 75 100 65 162 927 90
MX-70FL/-100FL
Model W H L a b c d e f g h i j k
MX-70FL 130 162 266 110 48 40 65 97 53 167 25A 711 60
MX-100FL 150 182 327 110 51 70 75 107 65 169 25A 927 90
■ Accessories
Optional unions are available as a coupling devise. Contact us
for detail.
Model Union tting O ring Union bore
(Nominal dia)
MX-70M G1 AS-568-020 20mm
MX-100M G1 AS-568-020 20mm
Outline
4-i
4-j
g
c
kW
a
H
d e
bf
L

- 6 -
6. Performance curves
*Performance data is based on pumping of clear water at ambi-
ent temperature.
Outline
Motor (drive unit)
Do not wet the
pump and motor
units.
7. Overview & Label
Inlet Base
Fix the pump securely.
Specification label
Use the pump accord-
ing to the specifica-
tions on the label.
Outlet
Pump unit (Liquid feeding unit)
Not capable of self-priming. Always prime
the pump before operation.
0 20
2
4
6
8
10
m
50Hz
MX-70
MX-100
40 60 80 100 120 L/min
0 20
2
4
6
8
12
10
m
60Hz
MX-70
MX-100
40 60 80 100 120 L/min

- 7 -
101 14
12
2
11
9
13
9
5
8
3
15
2
6
1
101
14
12
4
10
13
17
11
6
8
5
3
7
2
18
15
9 1
Outline
8. Part names & Structure
MX-70(M)
No. Part names Q'ty Materials
MX-70(M) MX-100(M)
1 Front casing 1 GFRPP
2MX-70: Bearing 2 PPS -
MX-100: Bearing A 1 - PTFE
3 Rear casing 1 GFRPP
4 Bearing B 1 - PTFE
5 O ring 1 V: FKM E: EPDM
6Impeller 1CFRPP
7Shroud 1CFRPP
8Spindle 1 Alumina ceramics
9MX-70: Thrust 2
Alumina ceramics -
MX-100: Front thrust ring 1 - Alumina ceramics
MX-100(M)
No. Part names Q'ty Materials
MX-70(M) MX-100(M)
10 Rear thrust ring 1 -
Alumina ceramics
11 Driven magnet 1
12 Drive magnet unit 1
13 Drive magnet 1
14 Hex. sock set screw 2 Steel
15 Hex. head bolt 6 Stainless steel
17 Retainer ring 1 - SUS304
18 Mouth ring 1 - PTFE
101 Motor 1

- 8 -
Outline
MX-70FL
No. Part names Q'ty Materials
MX-70FL MX-100FL
1 Front casing 1 GFRPP
2MX-70: Bearing 2 PPS -
MX-100: Bearing A 1 - PTFE
3 Rear casing 1 GFRPP
4 Bearing B 1 - PTFE
5 O ring 1 FKM
6Impeller 1CFRPP
7Shroud 1CFRPP
8Spindle 1 Alumina ceramics
9MX-70: Thrust 2
Alumina ceramics -
MX-100: Front thrust 1 - Alumina ceramics
MX-100FL
No. Part names Q'ty Materials
MX-70FL MX-100FL
10 Rear thrust ring 1 -
Alumina ceramics
11 Driven magnet 1
12 Magnet housing 1
13 Drive magnet 1
14 Hex. sock set screw 2 Steel
15 Hex. head bolt 6 Stainless steel
17 Retainer ring 1 - Stainless steel
18 Mouth ring 1 - PTFE
36 Flange 2GFRPP
37 O ring 2 FKM
101 Motor 1
12 11 13 5321
101 14 299815 6
37
36
37
36
14 413 11 83215
10 17 56718 91
101
12
12 11 13 5321
101 14 299815 6
37
36
37
36
14 413 11 83215
10 17 56718 91
101
12

- 9 -
1. Before Installation
Read through this instruction manual before use. Carry
out installation work with a full understanding.
WARNING
● Risk of electrical shock. Turn off power immediately
if the pump or any electric parts have got wet.
● Risk of fire. Keep the pump away from a flammable
substance.
CAUTION
● A strong magnet is inside the pump. Do not bring
a watch or a floppy disk which may be adversely
affected by a magnetic force.
● Do not run pump dry. If the pump runs without a liq-
uid, friction heat damages the pump.
Installation
● Dropping or subjecting the pump to
strong impact, failure may result.
Handle the pump with care.
● The pump is not capable of self-
priming. Always prime the pump
before operation.
● Do not get the motor wet. The
pump is not dust-/water-proof.
● Risk of fire or electrical shock.
Do not scratch, modify, or pull the
power cable. The cable can also
be damaged when it is heated or
loaded with a heavy thing.

- 10 -
Installation
● Banned solutions
• Liquids that significantly swell
polypropylene
• Paraffinic hydrocarbons such as
gasoline and kerosene
• Halogenated hydrocarbons such
as trichloroethylene and carbon
tetrachloride
• Ether and low-grade ester
• Slurry (Never use slurry, which
wears out the pump bearings.)
CAUTION
Do not install or store the pump in
the following places where...
1. Ambient temperature is beyond
the range of 0 - 40°C.
2. In a dusty/humid place or cor-
rosive atmosphere.
3. Under direct sunlight or wind &
rain.
● A strong magnet is inside the
pump. Do not use the pump with
any liquid which contains metals
such as iron and nickel.
ベンジン
ケロシン
Iron or nickel
● Risk of electrical shock. Always
earth the pump via an earth ter-
minal.
● An electrical failure of the pump
may adversely affect related devic-
es. Purchase and install an earth
leakage breaker separately.
● Do not clean the pump and name-
plate with solvent such as benzine
and thinner. This may discolour the
pump or erase printing. Use a dry
cloth or a wet cloth with water or
neutral detergent.
● Do not use any damaged pump.
Using a damaged pump may lead
to an electric leak or shock.
Benzine or thinner
Earth

- 11 -
Installation
4. Pump fixation
Secure the pump by fixing the
base. Do not install the pump
vertically.
5. Tube ends
Cut the tube ends flat before con-
nection.
2.2 Piping
1. In order to minimize the piping
resistance, have piping shortest
with the minimum bends. For the
prevention of cavitation, have the
suction piping bore wide as much
as possible.
2. Use a corrosion-/pressure-resist-
ant vinyl tube, otherwise the suc-
tion tube can be crushed by the
suction force (especially for hot
liquid). A braided tube is recom-
mended.
2. Installation/ Piping/ Electrical wiring
Stop working upon sensing a danger in work.
2.1 Installation
1. Installation location
Select a convenient place for maintenance and inspection.
Observe the allowable room temperature range of 0 - 40°C
and the maximum ambient humidity of 90%RH.
2. Mounting position
This pump is not capable of self-
priming. Flooded suction applica-
tion is ideal. Install the pump 30cm
lower than a suction liquid level,
or bearing may be worn soon by
entrained air.
3. Outlet direction
Always direct the outlet upward or
entrained air can not be expelled.
Direct the outlet upward
30cm
or
more

- 12 -
<Thread connection>
Wrap a thread seal tape around the
exposed threads of a pipe before it
is screwed in to create an air- and
watertight seal.
Do not tighten the pipe too much. Or
plastic inlet or outlet may break.
Use optional unions instead if need-
ed.
Do not allow piping system to weigh
heavily on the plastic inlet or out-
let, otherwise the plastic parts may
deform and result in failure.
CAUTION
Imperfect connection on the suc-
tion line introduces air into the
inside. Air ingress may cause a
poor flow, dry running and conse-
quently impeller seizing.
Installation
Union
3. Select a suitable tube bore for
secure connection.
4. Install valves on both discharge
and suction lines.
• Suction-side valve:
For easy pump removal and
maintenance.
• Discharge-side valve:
For adjustment of a flow rate and
a discharge head.
Discharge-
side valve
Suction-side valve

- 13 -
<Tube connection>
Slide down tubes onto the inlet and
outlet as far as they will go.
Use a tube clamp to secure connec-
tion and eliminate the possibility of
leakage.
Do not allow piping system to weigh
heavily on the plastic inlet or out-
let, otherwise the plastic parts may
deform and result in failure.
CAUTION
Imperfect connection on the suc-
tion line introduces air into the
inside. Air ingress may cause a
poor flow, dry running and conse-
quently impeller seizing.
CAUTION
The inlet and outlet are made of
plastics. Do not tighten the clamp
too much.
Installation
Clamp
Tube
Ribs
2.3 Electrical wiring
Electrical wiring must be done by qualified person who has a
full knowledge of safety. We are not responsible for the injury
or damage accident due to nonobservance of this warning.
Contact us or your nearest dealer for wiring as necessary.
■Before wiring
1. Confirm that the power is disconnected before work.
2. Wiring work should be done in accordance with relevant
regulations, using the recommended wiring accessories.
3. Apply the specified power voltage. See the spec label.
4. The pump doesn't have the ON-OFF switch. The pump
starts as the power cable is plugged in.
5. Earth the pump by an earthing wire. Keep good ventilation in
your operating site. Do not wet the pump.
6. When a leakage breaker is used.
Always solve the root cause when a leakage breaker oper-
ates. Replace the fuse and resume operation. Be sure to
unplug the pump before investigation.
■Rated current & Starting current
Model Rated current (50/60Hz) Starting current (50/60Hz)
100V (1-phase) 200 or 220V
(3 -phase) 100V (1-phase) 200 or 220V (3 -phase)
MX-70 2.8A/3.9A 0.9A/1.3A 7.7A / 7.1 A 3.5A/3.2A
MX-100 4 .1A / 4.1A 1.2A/1.2A 8.4A/8.2A 3.7A/3.4A

- 14 -
● Before operating the pump, check that the pump is
securely fixed.
● If foreign matters enter the pump, turn off the power
and remove them, otherwise failure or malfunction
may result.
● Do not run pump dry. If the pump runs without a liq-
uid, the pump is damaged by friction heat.
Operation
1. Before operation
CAUTION
1. Before operation, check that the pump is firmly installed in
piping via the inlet and outlet.
2. Do not run the pump with a discharge or a suction valve
closed.
3. Do not open or close sharply the discharge or the suction
valve, otherwise the magnetic coupling may disconnect (In
this case turn off the power.).
■Operation
After installation, piping and wiring work are completed, oper-
ate the pump in accordance with the following procedures.
No. Procedure Points to be checked
1 Check piping, wir-
ing and voltage.
• See "2.2 Piping" and "2.3
Electrical wiring" sections.
• Check the spec label to see if the
power supply voltage is correct.
2 Open or close a
valve.
• Fully open a suction-side valve.
• Fully close a discharge-side valve.
3 Prime the pump
chamber.
• Prime the pump with liquid espe-
cially if it is in suction lift application.
4 Supply power to the
pump.
• Check the item 1, 2 and 3. Then
turn on power and start the pump.
5 Adjust a discharge
capacity & a dis-
charge head to the
specified level.
Open a discharge-side valve gradu-
ally till a flow and a head reach
the specified level. Do not open or
close the valve sharply.
Note: Do not keep the discharge-
side valve closed more than 1
minute.
Note: Check that the pump trans-
fers a liquid without trouble.
If there is a problem, turn
off the power immediately
and solve the cause. See
"Troubleshooting" section.

- 15 -
Operation
No. Procedure Points to be checked
6 Points to be
checked during
operation
• Do not allow foreign matters to
enter the pump. Foreign matters
may cause impeller to be locked,
hindering liquid circulation. In this
case turn off power immediately
(Contact us).
• Turn off power when the leakage
breaker operates. Investigate the
root cause on "Troubleshooting"
section of page 16.
■Shutdown
No. Procedure Description
1 Close a discharge-
side valve.
Close the discharge-side valve
gradually. Do not use the solenoid
valve.
2 Turn off power. Check if the motor stops rotating
smoothly as turning off power. If
it is not smooth, check the motor.
Contact us for detail.
■Before a long period of storage
Remove the liquid from the pump before it is stored for a long
time. In this period of time, run the pump with clean water for
5 minutes every 3 months to prevent the motor bearing from
being stuck.

- 16 -
Phenomenon
Causes
The pump does not run. Poor discharge head Overcurrent Noise and vibration problem Leakage Measure
Wrong wiring Inspect wiring. Rewire as
necessary.
Motor failure Contact us.
Air is trapped. Eliminate air.
Air suction from the inlet Check suction piping.
Dry running Prime the pump before
operation.
Too high SG or viscosity Replace with suitable pump.
Impeller magnet hits the
rear casing
Contact us.
Impeller is damaged. Contact us.
Foreign matters on the
impeller.
Contact us.
O ring is damaged Contact us
Pump head mounting
screws are loose.
Tighten the mounting
screws.
1. Troubleshooting
Handling of the pump, maintenance and inspection should
be carried out within this instruction manual. Do not han-
dle the pump beyond the descriptions in this manual.
We are not responsible for any personal injury or property
damage due to nonobservance of this warning. Contact us
or your nearest dealer as necessary.
2. Maintenance & Inspection
■Retightening
After a long period of operation or storage, the pump head
mounting screws may be loose. Tighten the mounting screws
by the following torque as necessary. Be careful not to deform
the plastic pump head.
MX-70 : 2.9N•m
MX-100 : 3.4N•m
■Daily inspection
Always check for abnormality in vibration, noise, current value,
and discharge capacity. Stop operation on sensing abnormal-
ity. And solve problems on the trouble shooting section.
■Wear parts
To run the pump for a long period, wear parts such as impeller
and O ring need to be replaced periodically.
Contact your distributor for detail.
Maintenance

- 17 -
Maintenance
3. Drainage
WARNING
● Turn off power before work.
● Always wear protective clothing such as safety gog-
gles and protective gloves during pipework or dis-
mantlement.
CAUTION
● Do not get wet with chemical liquid when removing
piping or wet the motor/electric parts that are not
dust- nor water-proof.
● Do not drain a harmful chemical liquid directly on
the ground or the floor. Always use a container.
■Procedure
1. Turn off power. Make sure no one turns on the power while
working on the pump.
2. Close a discharge- and a suction-side valves fully.
3. Place a container under the pump and then remove a suc-
tion line from the pump inlet. Be careful not to get wet with
chemical liquid.
4. Unfix and take out the pump.
5. Drain residual chemical liquid through the inlet. Do not drain
a harmful chemical liquid directly on the ground or the floor.
Use a container.

T454-9 '10/05
( )Country codes
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TEL:[phone] FAX:[phone](http://www.iwakipumps.jp)
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Holland IWAKI Holland B.V. TEL : [phone] FAX : [phone] U.K. IWAKI Pumps (UK) LTD. TEL : [phone] FAX : [phone]
Hong Kong IWAKI Pumps Co., Ltd. TEL : [phone] FAX : [phone] U.S.A. IWAKI AMERICA Inc. TEL : [phone] FAX : [phone]
Indonesia IWAKI Singapore (Indonesia Branch) TEL : [phone] FAX : [phone] Vietnam IWAKI pumps Vietnam Co.,Ltd. TEL : [phone] FAX : [phone]