
APPENDIX
78
Manual 0-2569
APPENDIX II: SEQUENCE OF OPERATION
BLOCK DIAGRAM
A-01016
ACTION
Close external
disconnect switch
RESULT
• Power to system
ACTION
Enable ON at Remote
or TB2
ON/OFF switch to ON
RESULT
• AC indicator ON
• TEMP Indicator ON
• GAS indicator ON
• Fan and pump ON
• 40 second auto-purge
ACTION
RUN/SET/PURGE
switch to SET
RESULT
• Gas solenoids open,
gases flow to set
pressures
• GAS indicator ON
ACTION
RUN/SET/PURGE
switch to RUN
RESULT
• Gas flow stops
• Power circuit ready
• GAS indicator OFF
ACTION
Protect eyes and
activate torch
RESULT
• Gas indicator ON
• Gas pre-flow
• Main contactor
closes
• DC indicator ON
• Pilot contactor
closes
• PILOT indicator ON
• Pilot arc established
PILOT ARC
ACTION
Torch de-activated by torch switch
released or remote device
RESULT
• Main arc stops
• Main contactor opens
• DC indicator OFF
• Pilot and PILOT indicator OFF
NOTE- If torch is activated during post-flow
the pilot arc will immediately restart. If
within range of work, main arc will transfer.
After post-flow:
• Gas solenoids close, gas flow stops
• GAS indicator OFF
ACTION
ON/OFF switch to
OFF
RESULT
• AC indicator OFF
• TEMP Indicator OFF
• Fan and pump OFF
ACTION
Open external
disconnect
RESULT
• No power to system
ACTION
Torch moved to
within
1/8 - 3/8 inch of
work
RESULT
• Main arc transfer
• PILOT indicator OFF
• Pilot arc OFF
ACTION
Torch removed from
work
RESULT
• Main arc stops
• Pilot arc auto-restart
• PILOT indicator ON
Содержание MERLIN 6000
Страница 1: ...Manual No 0 2569 October 6 1999 MERLIN 6000 Plasma Cutting Master Power Supply Service Manual A 01497...
Страница 6: ...TABLE OF CONTENTS continued...
Страница 16: ...INTRODUCTION 10 Manual 0 2569...
Страница 66: ...REPLACEMENT PROCEDURES 60 Manual 0 2569...
Страница 71: ...Manual 0 2569 65 PARTS LISTS 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 19 18 17 20 21 A 02341 22 23 3 3 25 24 26...
Страница 82: ...PARTS LISTS 76 Manual 0 2569...
Страница 96: ...APPENDIX 90 Manual 0 2569 APPENDIX XIII CORNER SLOWDOWN CSD CIRCUIT DIAGRAM A 01140...
Страница 103: ...Manual 0 2569 97 APPENDIX APPENDIX XX ARC STARTER BOX OPTION SYSTEM SCHEMATIC A 01575...
Страница 106: ...APPENDIX 100 Manual 0 2569 APPENDIX XXII GAS CONTROL GC3000 WIRING DIAGRAM A 01129...
Страница 107: ...Manual 0 2569 101 APPENDIX...
Страница 108: ...APPENDIX 102 Manual 0 2569 APPENDIX XXIII SYSTEM SCHEMATIC Rev B or Earlier A 01573...
Страница 110: ...APPENDIX 104 Manual 0 2569 APPENDIX XXIV SYSTEM SCHEMATIC Rev C or Later A 01947...
Страница 112: ...APPENDIX 106 Manual 0 2569...