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Manual 0-2846

2-1

INTRODUCTION

SECTION 2:

INTRODUCTION

2.01 Scope of Manual

This manual contains descriptions, operating instructions
and basic maintenance procedures for  the  Firepower
FP-55 Plasma Cutting Power Supply only.  Servicing of
this equipment is restricted to properly trained person-
nel; unqualified personnel are strictly cautioned against
attempting repairs or adjustments not covered in this
manual, at the risk of voiding the Warranty.

Read this manual thoroughly.  A complete understand-
ing of the characteristics and capabilities of this equip-
ment will assure the dependable operation for which it
was designed.

NOTE

Refer to the Torch Manual provided with this Power
Supply for torch and cutting information.

2.02 General Description

The power supply provides 40 amp maximum output and
includes all control circuitry, electrical and gas inputs and
outputs, pilot circuitry, primary input power cable with
molded plug,  and

 

work cable & clamp.

Refer to Section 2.04 for power supply options and ac-
cessories.

A-02766

Figure 2-1  Firepower FP-55 Power Supply

2.03 Specifications/Design Features

A. Power Supply Technical Specifications

The following specifications apply to the Power Supply
only:

1. Front Panel Features

• Main power ON/OFF switch

• RUN/SET switch

• output current control

• torch leads access

• work lead

2. Rear Panel Features

• Primary input power cable with molded plug

• gas pressure gauge regulator/filter assembly

• gas supply connection

3. Front Panel Indicators

AC, TEMP, GAS, DC

4. Input Power (See Note)

208/230VAC (±10%), 60 Hz, Single Phase, 39/37 amps

NOTE

Refer to Appendix 1 for input wiring requirements.

5. Output Power

Continuously variable from 20 to 40 amps maximum

6. Duty Cycle (see NOTE)

NOTE

The duty cycle will be reduced if the primary in-
put voltage (AC) is low or the DC voltage is higher
than shown in the chart.

Ambient

Temperature

104° F

(40° C)

104° F

(40° C)

104° F

(40° C)

Duty Cycle

40%

60%

100%

Current

40 Amps

n/a

25 Amps

DC Voltage

96 vdc

n/a

96 vdc

Power Supply Duty Cycle

7. Pilot Circuitry

Capacitive Discharge (CD), Ignition DC Pilot

Содержание Firepower FP-55

Страница 1: ...Operating Manual A 02766 PlasmaCutting PowerSupply Firepower FP 55 April 4 2003 Manual No 0 2846...

Страница 2: ......

Страница 3: ...in this Manual whether such error results from negligence accident or any other cause Printed in the United States of America Publication Date April 4 2003 Record the following information for Warrant...

Страница 4: ...Scope of Manual 2 1 2 02 General Description 2 1 2 03 Specifications Design Features 2 1 2 04 Power Supply Options 2 2 SECTION 3 INSTALLATION PROCEDURES 3 1 3 01 Introduction 3 1 3 02 Site Selection 3...

Страница 5: ...3 5 05 Power Supply Basic Parts Replacement 5 5 SECTION 6 PARTS LISTS 6 1 6 01 Introduction 6 1 6 02 Ordering Information 6 1 6 03 Power Supply Replacement 6 2 6 04 Replacement Parts 6 2 6 05 Optiona...

Страница 6: ......

Страница 7: ...your head out of the welding fume plume Use an air supplied respirator if ventilation is not adequate to remove all fumes and gases The kinds of fumes and gases from the plasma arc depend on the kind...

Страница 8: ...information on how to test for noise see item 1 in Subsection 1 03 Publications in this manual PLASMAARC RAYS PlasmaArc Rays can injure your eyes and burn your skin The plasma arc process produces ver...

Страница 9: ...FOR WELDINGAND CUTTING OF CONTAINERS AND PIPING THAT HAVE HELD HAZARDOUS SUBSTANCES obtainable from the American Welding Society 550 N W LeJeune Rd Miami FL 33126 15 ANSI Standard Z88 2 PRACTICE FOR...

Страница 10: ...z pouvant contenir des l ments reconnu dans L tat de la Californie qui peuvent causer des d fauts de naissance et le cancer La s curit de sant en Californie et la code s curit Sec 25249 5 et seq CHOC...

Страница 11: ...onnes se trouvant sur le lieu de travail Il faut mesurer les niveaux sonores afin d assurer que les d cibels le bruit ne d passent pas les niveaux s rs Pour des renseignements sur la mani re de tester...

Страница 12: ...URIT POUR LE SOUDAGE ET LA COUPE disponible aupr s de l Association des Normes Canadiennes Standards Sales 178 Rexdale Bou levard Rexdale Ontario Canada M9W 1R3 13 Livret NWSA BIBLIOGRAPHIE SUR LA S C...

Страница 13: ...tion standard C22 2 number 60 forArc welding equipment UL Underwriters Laboratory rating 94VO flammability testing for all printed circuit boards used ISO IEC 60974 1 BS 638 PT10 EN 60 974 1 EN50192 E...

Страница 14: ...Firepower whether arising out of contract negligence strict tort or under any warranty or otherwise shall not except as expressly provided herein exceed the price of the goods upon which such liabilit...

Страница 15: ...ed plug and work cable clamp Refer to Section 2 04 for power supply options and ac cessories A 02766 Figure 2 1 Firepower FP 55 Power Supply 2 03 Specifications Design Features A Power Supply Technica...

Страница 16: ...standard Gas Regulator Filter Assembly only 1 Operating Pressure Output 70 psi 4 8 bar 2 Maximum input gas pressure 125 psi 8 6 bar 3 Filter Particulate Type Filter to 20 microns 2 04 Power Supply Opt...

Страница 17: ...in the rear and at least 6 inches 150 mm on each side for clearance Provide sufficient clearance in front of the unit to allow access to the front panel controls min 6 inches or 150 mm CAUTION Operat...

Страница 18: ...may cause double arcing rapid tip wear or even com plete torch failure Contaminants may cause poor cutting performance and rapid electrode wear C Connecting Gas Supply to Unit The gas supply is connec...

Страница 19: ...s Supply Hose Regulator Filter Assembly Bracket Inlet Port Hose Clamp Filter Hose Figure 3 2a Optional Single Stage Air Filter Installation units with type A Regulator Filter A 03000 Regulator Filter...

Страница 20: ...nit 4 Secure the Strain Relief with the retaining nut re moved earlier 5 Connect the torch Negative Plasma Lead to the bulkhead connection inside the Power Supply Adapter Plug Pilot Lead Torch Lead As...

Страница 21: ...4 The plasma power supply work cable see NOTE is connected to the cutting table at the single point Star ground NOTE Do Not connect the work cable directly to the ground rod 5 Make sure work cable an...

Страница 22: ...20 30 ft 6 1 9 1 m does not generally increase the effective ness of the ground rod A larger diameter rod which has more surface area may help Sometimes keeping the soil around the ground rod moist b...

Страница 23: ...put Hole in the front panel to feed the torch leads through to the internal bulkhead connections 3 Work Cable and Clamp 20 ft 6 1 m work cable with clamp factory installed 4 Roll Handle Torch Leads Wr...

Страница 24: ...or Filter A 03042 1 2 3 Figure4 3b RearPanel unitswithtypeBRegulator Filter 2 PrimaryInputPowerCable StrainRelief Factoryinstalledprimaryinputpowercablestrainrelieffor theprimarypowercable capableofha...

Страница 25: ...ource disconnect switch a AC power is available at the Power Supply 2 Place RUN SET switch to RUN mode 3 Place the ON OFF power switch on the front panel of the Power Supply to ON position a AC Power...

Страница 26: ...r switch on the front panel of the unit to OFF a AC Power indicator turns OFF Fan turns OFF 14 Place the main power disconnect to open a Main AC power is removed from the system NOTE For information o...

Страница 27: ...so be wiped clean If necessary solvents for cleaning electrical apparatus may be used Perform routine maintenance according to the schedule in Appendix 3 The actual frequency of maintenance may need t...

Страница 28: ...be removed from its hous ing dried and reused Allow 24 hours for Element to dry 1 Remove power from power supply 2 Shut off air supply and bleed down system before disassembling Filter to change Filte...

Страница 29: ...replacement proce dures refer to Firepower FP 55 Power Supply Service Manual 0 2847 B How to Use This Guide ThefollowinginformationisaguidetohelptheCustomer Operator determine the most likely causes f...

Страница 30: ...ng of CURRENT control a Check and adjust to proper setting 2 Faulty components in unit a Return for repair or have qualified technician repair per Service Manual F Limited output with no control 1 Poo...

Страница 31: ...ction describes procedures for basic parts replace ment For more detailed parts replacement procedures refer to the Firepower 55 Power Supply Service Manual A Cover Removal 1 Remove the upper screws w...

Страница 32: ...above 2 Locate the internal fuse on the left side of the center chassis 3 Replace the fuse Refer to Section 6 for replacement fuse catalog number 4 Reinstall the cover per paragraph A above A 02957 F...

Страница 33: ...Parts listed without item numbers are not shown but may be ordered by the catalog number shown B Returns If a product must be returned for service contact your distributor Materials returned without p...

Страница 34: ...ilter Assembly Element Replacement 9 8534 for Type A Regulator Filter 1 Regulator Filter Assembly Element Replacement 9 4414 for Type B Regulator Filter 6 05 Optional Equipment Qty Description Catalog...

Страница 35: ...or national codes Cable conductor temperature used is 167 F 75 C An energy limiting fuse UL Class RK 1 examples BUSS LPS LPN RK or Gould Shawmut AZK A6K should be used to minimize damage to Plasma Cu...

Страница 36: ...h is within transfer distance 1 4 in 6 4mm of workpiece main arc will transfer After post flow Gas solenoid closes gas flow stops GAS indicator off ACTION Close external disconnect switch RESULT Power...

Страница 37: ...supply and pressure flow 4 Purge plasma gas line to remove any moisture build up 5 Inspect input power cable for damage or exposed wires replace if necessary Weekly or Every 30 Cutting Hours 1 Check f...

Страница 38: ...APPENDIX A 4 Manual 0 2846 APPENDIX 4 SYSTEM SCHEMATIC A 03269...

Страница 39: ...Manual 0 2846 A 5 APPENDIX A 03269...

Страница 40: ......

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