ESAB PCM-875, Инструкция по эксплуатации

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2
USER RESPONSIBILITY
This equipment will perform in conformity with the description thereof contained in this manual and accompanying
labels and/or inserts when installed, operated, maintained and repaired in accordance with the instructions pro-
vided. This equipment must be checked periodically. Malfunctioning or poorly maintained equipment should not
be used. Parts that are broken, missing, worn, distorted or contaminated should be replaced immediately. Should
such repair or replacement become necessary, the manufacturer recommends that a telephone or written request
for service advice be made to the Authorized Distributor from whom purchased.
This equipment or any of its parts should not be altered without the prior written approval of the manufacturer. The
user of this equipment shall have the sole responsibility for any malfunction which results from improper use,
faulty maintenance, damage, improper repair or alteration by anyone other than the manufacturer or a service
facility designated by the manufacturer.
TABLE OF CONTENTS
SECTION TITLE PAGE
PARAGRAPH
SECTION 1 DESCRIPTION ................................................................................................. 7
1.1 General ............................................................................................................. 7
1.2 Scope ................................................................................................................ 7
1.3 Packages Available........................................................................................... 7
1.4 Specifications .................................................................................................... 8
SECTION 2 INSTALLATION................................................................................................ 10
2.1 General ............................................................................................................. 10
2.2 Equipment Required ......................................................................................... 10
2.3 Location ............................................................................................................ 10
2.4 Inspection.......................................................................................................... 10
2.5 Primary Electrical Input Connections ................................................................ 10
2.6 Secondary Output Connections ........................................................................ 11
2.7 Connecting PCM-875 for 200(208)Vac Input .................................................... 13
2.8 Mechanized Cutting Installation with the PT-20AM Torch ................................. 14
SECTION 3 OPERATION..................................................................................................... 16
3.1 Operation .......................................................................................................... 16
3.2 PCM-875 Controls ............................................................................................ 16
3.3 Cutting with the PT-27....................................................................................... 16
3.4 Common Cutting Problems ............................................................................... 18
SECTION 4 MAINTENANCE ............................................................................................... 19
4.1 General ............................................................................................................. 19
4.2 Inspection and Cleaning.................................................................................... 19
4.3 PT-27 Torch Consumable Parts ........................................................................ 19
4.4 Flow Switch ....................................................................................................... 20
4.5 IGBT Handling and Replacement ...................................................................... 20
SECTION 5 TROUBLESHOOTING ..................................................................................... 21
5.1 Troubleshooting ................................................................................................ 21
5.2 Troubleshooting Guide ...................................................................................... 21
5.3 Reference Voltage Checks ............................................................................... 25
5.4 Sequence of Operation ..................................................................................... 26
SECTION 6 REPLACEMENT PARTS ................................................................................. 37
6.1 General ............................................................................................................. 37
6.2 Ordering ............................................................................................................ 37