Miller LH340236G Owner's manual

Heavy Duty

Induction Cooler CE

Processes

Description

Heavy Duty Induction Cooler

Induction Heating

OM-227 169F 2008−11

File: Pipe Welding Products

Visit our website at

www.MillerWelds.com

Miller Electric manufactures a full line

of welders and welding related equipment.

For information on other quality Miller

products, contact your local Miller distributor to receive the latest full

line catalog or individual specification sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at

www.MillerWelds.com on the web.

Thank you and congratulations on choosing Miller. Now you can get

the job done and get it done right. We know you don’t have time to do

it any other way.

That’s why when Niels Miller first started building arc welders in 1929,

he made sure his products offered long-lasting value and superior

quality. Like you, his customers couldn’t afford anything less. Miller

products had to be more than the best they could be. They had to be the

best you could buy.

Today, the people that build and sell Miller products continue the

tradition. They’re just as committed to providing equipment and service

that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your

Miller products. Please take time to read the Safety precautions. They

will help you protect yourself against potential hazards on the worksite.

We’ve made installation and operation quick

and easy. With Miller you can count on years

of reliable service with proper maintenance.

And if for some reason the unit needs repair,

there’s a Troubleshooting section that will

help you figure out what the problem is. The

parts list will then help you to decide the

exact part you may need to fix the problem.

Warranty and service information for your

particular model are also provided.

Miller is the first welding

equipment manufacturer in

the U.S.A. to be registered to

the ISO 9001:2000 Quality

System Standard.

Working as hard as you do

− every power source from

Miller is backed by the most

hassle-free warranty in the

business.

From Miller to You

Mil_Thank 4/05

TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1. Symbol Usage 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-2. Induction Heating Hazards 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-3. Additional Symbols for Installation, Operation, and Maintenance 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4. California Proposition 65 Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5. Principal Safety Standards 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-6. EMF Information 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1. Signification des symboles 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2. Dangers relatifs au soudage à l’arc 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance 5. . . . . .

2-4. Proposition californienne 65 Avertissements 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-5. Principales normes de sécurité 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-6. Information EMF 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 − DEFINITIONS 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1. Warning Label Definitions For CE Products 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2. WEEE Label (For Products Sold Within The EU) 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3. Rating Label For CE Products 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4. Symbols And Definitions 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 4 − INSTALLATION 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1. Specifications 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2. Coolant Chart 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3. Installing Power Source To Cooler 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4. Coolant Hose Connections To Cooler 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-5. Coolant Hose Connections To Single Output Cable 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-6. Coolant Hose Connections To Dual Output Cables 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 5 − MAINTENANCE 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1. Routine Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2. Coolant Maintenance 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3. Flow Direction 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-4. Troubleshooting 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6 − ELECTRICAL DIAGRAM 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 7 − PARTS LIST 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WARRANTY

240845A

DECLARATION OF CONFORMITY

for European Community (CE marked) products.

MILLER Electric Mfg. Co., 1635 Spencer Street, Appleton, WI 54914 U.S.A. declares that

the product(s) identified in this declaration conform to the essential requirements and

provisions of the stated Council Directive(s) and Standard(s).

Product/Apparatus Identification:

Product Stock Number

COOLER,HEAVY DUTY INDUCTION 195406

Council Directives:

S 2006/95/EC Low Voltage

S 2004/108/EC Electromagnetic Compatibility

S 2006/42/EEC Machinery Directive

Standards:

S IEC 60974-1 Arc Welding Equipment - Welding Power Sources: edition 3, 2005-07.

S IEC 60974-2 Arc Welding Equipment - Liquid Cooling Systems: edition 1, 2002-06.

S IEC 60974-10 Arc Welding Equipment - Electromagnetic Compatibility Requirements: edition 1.1,

2004-10.

US Signatory:

November 25, 2008

__________________________________________________________________________

David A. Werba

Date of Declaration

MANAGER, PRODUCT DESIGN COMPLIANCE

OM-227 169 Page 1

SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING

ihom _2007−04

Protect yourself and others from injury — read and follow these precautions.

1-1. Symbol Usage

DANGER! − Indicates a hazardous situation which, if

not avoided, will result in death or serious injury. The

possible hazards are shown in the adjoining symbols

or explained in the text.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury. The possible

hazards are shown in the adjoining symbols or ex-

plained in the text.

NOTICE − Indicates statements not related to personal injury.

. Indicates special instructions.

This group of symbols means Warning! Watch Out! ELECTRIC

SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-

bols and related instructions below for necessary actions to avoid the

hazards.

1-2. Induction Heating Hazards

The symbols shown below are used throughout this manual

to call attention to and identify possible hazards. When you

see the symbol, watch out, and follow the related instructions

to avoid the hazard. The safety information given below is

only a summary of the more complete safety information

found in the Safety Standards listed in Section 1-5. Read and

follow all Safety Standards.

Only qualified persons should install, operate, maintain, and

repair this unit.

During operation, keep everybody, especially children, away.

ELECTRIC SHOCK can kill.

Touching live electrical parts can cause fatal shocks

or severe burns. The power circuit and output bus

bars or connections are electrically live whenever

the output is on. The input power circuit and machine

internal circuits are also live when power is on. Incorrectly installed or

improperly grounded equipment is a hazard.

D Do not touch live electrical parts.

D Enclose any connecting bus bars and coolant fittings to prevent

unintentional contact.

D Wear dry, hole-free insulating gloves and body protection.

D Insulate yourself from work and ground using dry insulating mats or

covers big enough to prevent any physical contact with the work or

ground.

D Additional safety precautions are required when any of the follow-

ing electrically hazardous conditions are present: in damp locations

or while wearing wet clothing; on metal structures such as floors,

gratings, or scaffolds; when in cramped positions such as sitting,

kneeling, or lying; or when there is a high risk of unavoidable or ac-

cidental contact with the workpiece or ground. For these

conditions, see ANSI Z49.1 listed in Safety Standards. And, do not

work alone!

D Disconnect input power before installing or servicing this equip-

ment. Lockout/tagout input power according to OSHA 29 CFR

1910.147 (see Safety Standards).

D Use only nonconductive coolant hoses with a minimum length of 18

inches (457 mm) to provide isolation.

D Properly install and ground this equipment according to its Owner’s

Manual and national, state, and local codes.

D Always verify the supply ground − check and be sure that input pow-

er cord ground wire is properly connected to ground terminal in

disconnect box or that cord plug is connected to a properly grounded

receptacle outlet.

D When making input connections, attach proper grounding

conductor first − double-check connections.

D Keep cords dry, free of oil and grease, and protected from hot metal

and sparks.

D Frequently inspect input power cord for damage or bare wiring − re-

place cord immediately if damaged − bare wiring can kill.

D Turn off all equipment when not in use.

D Do not use worn, damaged, undersized, or poorly spliced cables.

D Do not drape cables over your body.

D Do not touch power circuit if you are in contact with the work, ground,

or another power circuit from a different machine.

D Use only well-maintained equipment. Repair or replace damaged

parts at once. Maintain unit according to manual.

D Wear a safety harness if working above floor level.

D Keep all panels and covers securely in place.

SIGNIFICANT DC VOLTAGE exists in inverter-type

power sources after removal of input power.

D Turn Off inverter, disconnect input power, and discharge input

capacitors according to instructions in Maintenance Section before

touching any internal parts.

Induction Heating of certain materials, adhesives,

and fluxes can produce fumes and gases. Breathing

these fumes and gases can be hazardous to your

health.

FUMES AND GASES can be hazardous.

D Keep your head out of the fumes. Do not breathe the fumes.

D If inside, ventilate the area and/or use local forced ventilation to re-

move fumes and gases.

D If ventilation is poor, wear an approved air-supplied respirator.

D Read and understand the Material Safety Data Sheets (MSDSs)

and the manufacturer’s instruction for adhesives, fluxes, metals,

consumables, coatings, cleaners, and degreasers.

D Work in a confined space only if it is well ventilated, or while wearing

an air-supplied respirator. Always have a trained watchperson near-

by. Fumes and gases from heating can displace air and lower the

oxygen level causing injury or death. Be sure the breathing air is

safe.

D Do not heat in locations near degreasing, cleaning, or spraying oper-

ations. The heat can react with vapors to form highly toxic and

irritating gases.

D Do not overheat coated metals, such as galvanized, lead, or

cadmium plated steel, unless the coating is removed from the

heated area, the area is well ventilated, and while wearing an air-

supplied respirator. The coatings and any metals containing these

elements can give off toxic fumes if overheated. See coating MSDS

for temperature information.

OM-227 169 Page 2

FIRE OR EXPLOSION hazard.

D Do not overheat parts.

D Watch for fire; keep extinguisher nearby.

D Keep flammables away from work area.

D Do not locate unit on, over, or near combustible surfaces.

D Do not install unit near flammables.

D Do not operate where the atmosphere may contain flammable

dust, gas, or liquid vapors (such as gasoline).

D After completion of work, inspect area to ensure it is free of

sparks, glowing embers, and flames.

D Use only correct fuses or circuit breakers. Do not oversize or by-

pass them.

INDUCTION HEATING can cause burns.

D Hot parts and equipment can injure.

D Do not touch or handle induction head/coil

during operation.

D Do not touch hot parts bare-handed.

D Allow cooling period before handling parts or equipment.

D Keep metal jewelry and other metal personal items away from

head/coil during operation.

1-3. Additional Symbols for Installation, Operation, and Maintenance

FALLING UNIT can cause injury.

D Use handle and have person of adequate

physical strength lift unit.

D Move unit with hand cart or similar device.

D For units without a handle, use equipment of

adequate capacity to lift unit.

D When using lift forks to move unit, be sure forks are long enough

to extend beyond opposite side of unit.

FLYING METAL OR DIRT can injure eyes.

D Wear approved safety glasses with side

shields or wear face shield.

MOVING PARTS can cause injury.

D Keep away from moving parts such as fans.

D Keep all doors, panels, covers, and guards

closed and securely in place.

MAGNETIC FIELDS can affect Implanted

Medical Devices.

D Wearers of Pacemakers and other Implanted

Medical Devices should keep away.

D Implanted Medical Device wearers should consult their doctor

and the device manufacturer before going near arc welding, spot

welding, gouging, plasma arc cutting, or induction heating

operations.

OVERUSE can cause OVERHEATING

D Allow cooling period.

D Reduce output or reduce duty cycle before

starting to heat again.

D Follow rated duty cycle.

STATIC (ESD) can damage PC boards.

D Put on grounded wrist strap BEFORE handling

boards or parts.

D Use proper static-proof bags and boxes to

store, move, or ship PC boards.

H.F. RADIATION can cause interference.

D High-frequency (H.F.) can interfere with radio

navigation, safety services, computers, and

communications equipment.

D Have only qualified person familiar with electronic equipment per-

form this installation.

D The user is responsible for having a qualified electrician promptly

correct any interference problem resulting from the installation.

D If notified by the FCC about interference, stop using the equip-

ment at once.

D Have the installation regularly checked and maintained.

D Keep high-frequency source doors and panels tightly shut.

READ INSTRUCTIONS.

D Read Owner’s Manual before using or servic-

ing unit.

D Use only genuine replacement parts from the

manufacturer.

1-4. California Proposition 65 Warnings

Welding or cutting equipment produces fumes or gases

which contain chemicals known to the State of California to

cause birth defects and, in some cases, cancer. (California

Health & Safety Code Section 25249.5 et seq.)

Battery posts, terminals and related accessories contain lead

and lead compounds, chemicals known to the State of

California to cause cancer and birth defects or other

reproductive harm. Wash hands after handling.

For Gasoline Engines:

Engine exhaust contains chemicals known to the State of

California to cause cancer, birth defects, or other reproduc-

tive harm.

For Diesel Engines:

Diesel engine exhaust and some of its constituents are known

to the State of California to cause cancer, birth defects, and

other reproductive harm.

OM-227 169 Page 3

1-5. Principal Safety Standards

Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1,

from Global Engineering Documents (phone: 1-877-413-5184, website:

www.global.ihs.com).

OSHA, Occupational Safety and Health Standards for General Industry,

Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q, and

Part 1926, Subpart J, from U.S. Government Printing Office, Superinten-

dent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954

(phone: 1-866-512-1800) (there are 10 Regional Offices—phone for Re-

gion 5, Chicago, is 312-353-2220, website: www.osha.gov).

National Electrical Code, NFPA Standard 70, from National Fire Protec-

tion Association, P.O. Box 9101, Quincy, MA 02269-9101 (phone:

617-770-3000, website: www.nfpa.org and www. sparky.org).

Canadian Electrical Code Part 1, CSA Standard C22.1, from Canadian

Standards Association, Standards Sales, 5060 Mississauga, Ontario,

Canada L4W 5NS (phone: 800-463-6727 or in Toronto 416-747-4044,

website: www.csa-international.org).

Safe Practice For Occupational And Educational Eye And Face Protec-

tion, ANSI Standard Z87.1, from American National Standards Institute,

25 West 43rd Street, New York, NY 10036–8002 (phone: 212-642-4900,

website: www.ansi.org).

1-6. EMF Information

Considerations About Induction Heating And The Effects Of Low Fre-

quency Electric And Magnetic Fields

The following is a quotation from the General Conclusions Section of the

U.S. Congress, Office of Technology Assessment, Biological Effects of

Power Frequency Electric & Magnetic Fields − Background Paper, OTA-

BP-E-53 (Washington, DC: U.S. Government Printing Office, May

1989): “. . . there is now a very large volume of scientific findings based

on experiments at the cellular level and from studies with animals and

people which clearly establish that low frequency magnetic fields can in-

teract with, and produce changes in, biological systems. While most of

this work is of very high quality, the results are complex. Current scientif-

ic understanding does not yet allow us to interpret the evidence in a

single coherent framework. Even more frustrating, it does not yet allow

us to draw definite conclusions about questions of possible risk or to of-

fer clear science-based advice on strategies to minimize or avoid

potential risks.”

To reduce magnetic fields in the workplace, use the following proce-

dures:

1. Arrange output cable to one side and away from the operator.

2. Do not coil or drape output cable around the body.

3. Keep power source and cable as far away from the operator as

practical.

About Implanted Medical Devices:

Implanted Medical Device wearers should consult their doctor and the

device manufacturer before performing or going near arc welding, spot

welding, gouging, plasma arc cutting, or induction heating operations. If

cleared by your doctor, then following the above procedures is recom-

mended.

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OM-227 169 Page 7

SECTION 3 − DEFINITIONS

3-1. Warning Label Definitions For CE Products

S-180 663

1 2 3 4 5

7 8 9

1 Warning! Watch Out! There are

possible hazards as shown by the

symbols.

2 Electric shock from wiring can kill.

3 Disconnect input plug or power before

working on machine.

4 Moving parts, such as fans, can cut

fingers and hands and cause injury.

Keep away from moving parts.

5 Wear safety glasses with side shields.

6 Read the Owner’s Manual before

working on this machine.

7 Read the labels on the welding power

source, wire feeder, or other major

equipment for welding safety

information.

8 Recycle or dispose of used coolant in

an environmentally safe way.

9 Do not remove or paint over (cover)

the label.

4/96 − 178 910

S-178 910

043 810 (HF)

043 809 (AL)

100 h. std.

1 Warning! Watch Out! There are

possible hazards as shown by the

symbols.

2 Disconnect input plug or power before

working on machine.

3 Wear safety glasses with side shields.

4 Plugged filter or hoses cause

overheating and damage.

5 Read Owner’s Manual.

6 Check and clean filter every 100

hours; also check condition of hoses.

7 Use Low Conductivity Coolant No. 043

810 for High-Frequency assisted or

Gas Tungsten Arc Welding

applications. Use Aluminum Protecting

Coolant No. 043 809 where coolant

contacts aluminum parts or for Gas

Metal Arc Welding applications or

where High Frequency is not used.

. This cooler must use 043 810 coolant for

high frequency.

OM-227 169 Page 8

3-2. WEEE Label (For Products Sold Within The EU)

Do not discard product (where ap-

plicable) with general waste.

Reuse or recycle Waste Electrical

and Electronic Equipment (WEEE)

by disposing at a designated collec-

tion facility.

Contact your local recycling office

or your local distributor for further

information.

3-3. Rating Label For CE Products

S/N: KG085472

043007

115

5.9

COOLMATE 3

Hz50/60

IP 23

A I

NRTL/C

LR5071

227 043-B

3-4. Symbols And Definitions

. Some symbols are found only on CE products.

Amperes Alternating Current Voltage Input

Circulating Unit

With Coolant Pump

Volts

Water (Coolant) In-

put

Water (Coolant)

Output

Line Connection

Protective Earth

(Ground)

Degree Of

Protection

Primary Current

Hertz

On Off

Primary Voltage Single Phase

Conventional Load

Voltage

Load voltage

Rated Current

OM-227 169 Page 9

SECTION 4 − INSTALLATION

4-1. Specifications

Input Power

Overall Dimensions

Weight

Pump Blower Net Weight

48 Volts DC Commutated 48 Volts DC

Length (A): 30 in

(762 mm)

Width (B): 21-1/4 in

(540 mm)

Height (C): 12-3/4 in

(324 mm)

105 lb

(48 kg)

122 lb

(55 kg)

4-2. Coolant Chart

Low Conductivity Coolant No. 043 810*

*Coolant 043 810 protects to -37° F (-38°C) and resist algae growth.

Coolant

NOTICE − Use of any coolant other than that listed in the table voids the warranty

on any parts that come in contact with the coolant (pump, radiator, etc.).

OM-227 169 Page 10

4-3. Installing Power Source To Cooler

801 190-B

! Turn off and disconnect input

power from power source.

1 Power Source

2 Lift -Eye

3 Cooler Connection Cable

4 Cooler

5 Screw 0.250-20 (8)

Remove screws from right side panel,

unplug case fan connector, and remove

right side panel from power source.

Remove snap-in blank from power source

base.

Locate and loosen cooler connection cable

from inside power source, and place

connectors through hole in base. Insert

snap-in grommet into hole.

Use lift-eye to suspend power source

above cooler and plug connection cable

into matching connectors in cooler top

cover.

! Keep hands and fingers away from

pinch points when lowering power

source onto cooler.

Slowly lower power source onto top cover

of cooler making sure connection cable is

not pinched between power source base

and cooler.

Install supplied screws 8 places to secure

power source to cooler.

Reconnect case fan and install power

source right side panel.

Tools Needed:

3/8 in.

OM-227 169 Page 11

4-4. Coolant Hose Connections To Cooler

804 434-A

1 Power Source/Cooler Assembly

2 Coolant Hose

3 Coolant Out Fitting

4 Coolant In Fitting

5 Coolant Tank Cap

. Coolant hose fittings have left-hand

threads.

Connect coolant hoses to fittings on cooler.

See Section 4-2 for proper coolant

specification, and fill tank. Maintain coolant

level at botttom of fill neck.

6 Flow Indicator/Sensor

Flow indicator/sensor spins to indicate

coolant is flowing in the system. If coolant

flow is reduced below 0.25 gal/min. (1.14

L/min.), the power source output will be

disabled.

OM-227 169 Page 12

4-5. Coolant Hose Connections To Single Output Cable

804 435-A

1 Power Source/Cooler Assembly

2 Liquid-Cooled Output Cable

3 Protective Cap

4 Coolant Hose

Connect output cable to output #1 on power

source. Connect protective plug to power

source output #2.

Connect quick-connect fitting on both

coolant hoses from cooler to output cable

fittings by pushing coolant hose fitting onto

output cable fitting.

To remove coolant hoses, grasp grey ring

on coolant hose fitting and pull away from

output cable fitting . Coolant hose fitting will

separate from output cable fitting.

. Fittings have spring loaded valves

inside that close when fitting is discon-

nected from an output cable fitting to

minimize coolant leaks.

Single Liquid−Cooled

Output Connection

Cooler

OM-227 169 Page 13

4-6. Coolant Hose Connections To Dual Output Cables

804 436-A

1 Power Source/Cooler Assembly

2 Liquid-Cooled Output Cable

. Cables must be the same length: 10 ft

(3 m), 25 ft (7.6 m), or 50 ft (15.2 m).

3 Coolant Hose

4 Dual Output Cable Coolant Hose

Connect output cables to output #1 and

output #2 on power source.

Coolant hoses between output cables and

cooler must be connected in series for dual

output operation. Connect dual output

coolant hose between output cable #1 and

output cable #2 fittings by pushing coolant

hose fitting onto output cable fitting.

Connect quick-connect fitting on both

coolant hoses from cooler to remaining

output cable fittings.

To remove coolant hoses, grasp grey ring

on coolant hose fitting and pull away from

output cable fitting . Coolant hose fitting will

separate from output cable fitting.

. Fittings have spring loaded valves

inside that close when fitting is discon-

nected from an output cable fitting to

minimize coolant leaks.

. Heating cables must be the same

length: 30ft (9.1 m), 50 ft (15.2 m), 80ft

(24.2 m), or 140 ft (42.7 m).

. Total length of heating and extension

cables must not exceed 360 ft (110 m).

The extension cable is counted twice

the length because it has a supply and

return hose.

Dual Liquid−Cooled

Output Connection

Cooler

OM-227 169 Page 14

SECTION 5 − MAINTENANCE

5-1. Routine Maintenance

! Disconnect power

before maintaining.

3 Months

Blow Out Heat

Exchanger Fins

NOTICE − Clean coolant strainer. Severe con-

ditions may require more frequent cleaning

(continuous use, high/low temperatures, dirty

environment, etc.). Failure to properly clean

coolant strainer voids pump warranty.

6 Months

Replace

Cracked

Hoses

Replace

Unreadable

Labels

Change

Coolant (If

Using Water)

12 Months

Change Coolant (If Using

043 810 Coolant)

OM-227 169 Page 15

5-2. Coolant Maintenance

804 437-A

1 Coolant Filter

Unscrew housing to clean filter.

Discard fluid in housing. Rinse filter

and housing.

Changing coolant: Drain coolant by

tipping unit forward. Fill with clean

water and run for 10 minutes. Drain

and refill.

. If replacing hoses, use original

equipment hoses (see Parts

List Section 7).

OM-227 169 Page 16

5-3. Flow Direction

Pump

Filter

Radiator

Flow

Indicator/Sensor

Tank

Induction

Coil

Bypass

Filter

5-4. Troubleshooting

Trouble Remedy

Coolant system does not work. Be sure cooler input power and communication cables from power source are connected to cooler

receptacles (see Section 4-3).

Check input power line fuses or circuit breaker, and replace or reset if necessary.

Have Factory Authorized Service Agent check motor.

Decreased or no coolant flow. Add coolant.

Check for clogged hoses or coolant filter. Clean filter or clean / replace hoses if necessary.

Disconnect pump, and check for sheared coupling. Replace coupling if necessary.

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OM-227 169 Page 18

SECTION 7 − PARTS LIST

804 438-A

. Hardware is common and not

available unless listed.

See Figure 7-2

See Figure 7-3

Figure 7-1. Complete Assembly

OM-227 169 Page 19

Description

Part

No.

Dia.

Mkgs.

Item

No.

Figure 7-1. Complete Assembly

Quantity

1 +213 312 BASE, assy 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 216 258 PANEL, center 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 216 259 BAFFLE, air 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 213 314 COVER, top 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 213 313 FAN/MOTOR, 48 VDC 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 216 257 RADIATOR, heat exchanger 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 173 955 TANK, water 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 166 608 CAP, tank screw-in w/vent 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 227 026 FILTER, in-line high temp 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

239 494 SCREEN, filter lp cyl 100x100x0.0045 sst 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10 213 317 BRACKET, filter 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 219 968 MOUNT, support motor 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 226 113 MOUNT, dual stud .250-20 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13 081 543 FTG, coolant 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14 030 170 BUSHING, snap-in 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15 178 610 FTG, brs tee 3/8 NPT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16 126 978 FTG, brs barbed 3/8 NPT 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17 023 562 CLAMP, hose .312-.875 clp dia 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18 227 103 HOSE, .375 ID x 4.50 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19 227 104 HOSE, .375 ID x 12.00 lg v-cut 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20 227 105 HOSE, .375 ID x 17.00 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21 227 106 HOSE, .375 ID x 22.00 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22 227 107 HOSE, .375 ID x 28.00 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23 203 990 LABEL, warning general 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24 180 663 LABEL, warning general 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25 188 980 LABEL, caution incorrect coolant 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26 178 910 LABEL, caution incorrect coolant 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27 227 149 LABEL, coolant in 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28 227 150 LABEL, coolant out 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29 027 657 LABEL, ground 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 227 958 HOSE, .375 ID X .660 OD X 19.000 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31 221 604 HOSE, .375 ID X .660 OD X 15.875 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+When ordering a component originally displaying a precautionary label, the label should also be ordered.

*Recommended Spare Parts.

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested

Replacement Parts. Model and serial number required when ordering parts from your local distributor.

OM-227 169 Page 20

804 440-A

Figure 7-2. Motor/Pump Assembly

Description

Part

No.

Dia.

Mkgs.

Item

No.

Figure 7-2. Motor/Pump Assembly

Quantity

1 212 743 MOTOR, 1/4 hp brushless 48 VDC 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 226 987 PUMP, coolant 35 gph 150 psi bypass (including) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 203 937 CLAMP, v-band 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 134 795 COUPLER, drive pump 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 226 988 VALVE, bypass coolant 99 psi 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 126 978 FTG, brs barbed nipple close 3/8 NPT 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 226 843 FTG, pipe brs nipple close 3/8 NPT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 216 647 PUMP, coolant w/fittings 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested

Replacement Parts. Model and serial number required when ordering parts from your local distributor.

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Miller LH340236G, PROHEAT HEAVY DUTY INDUCTION COOLER, PROHEAT HEAVY DUTY INDUCTION COOLER (48 VOLT) Owner's manual

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