Longrun 200LT Operation Manual Download Page 7

Page: 7 / 12

Start Up

■

Stick Welding

TIG Welding

Turn On the main power supplied to
welder

Select "STICK" from the welding mode
selector

Select Crater Off or Crater On or Crater
Repeat or Arc Spot from welding mode
selector

Turn On the power switch of welder, and
then verify that the power lamp is On and
the cooling fan is running

Adjust properly the down slope time, gas
after-flow time and pulse frequency

Start to weld with adjusting the proper
welding current

Open the valve of gas tank

Turn On the power switch of welder, and
then verify that the power lamp is On and
the cooling fan is running

Regulate the gas flowed with pressing the
torch switch

Start to weld with adjusting the proper
welding current and other parameters

Summary of Contents for 200LT

Page 1: ...INVERTER DC TIG WELDER OPERATION MANUAL DO NOT INSTALL OPERATE OR MAINTAIN THIS MACHINE WITHOUT READING THIS MANUAL AND PLEASE ALWAYS THINK BEFORE YOU ACT WWW WORLDWEL COM...

Page 2: ...welding current during welding by DIGITAL AMMETER Portable by compact size lightweight ITEM UNIT 200LT Rated Input Voltage V 220 Single Phase 50 60Hz Process TIG STICK Rated Output Current A 200 150 I...

Page 3: ...of contact with the work or ground and watch for fire Turn off input power using the disconnect switch at the fuse box before working on the equipment Frequently inspect input power cord for damage o...

Page 4: ...or other alternate circuits This can create fire hazards or overheat lifting chains or cables until they fail INSTALLATION The welding machine shall be installed at a place free from the inflammables...

Page 5: ...lectrode cable to the TORCH terminal and a torch switch connector to the torch switch receptacle and a gas connector to the output gas receptacle Output connection for stick welding Connect the work c...

Page 6: ...he start current 2 Ammeter Displays the welding current 3 Welding Current Control Adjust the welding current 4 Down Slope Decreases the current down over a set period This is used to eliminate the cra...

Page 7: ...welder and then verify that the power lamp is On and the cooling fan is running Adjust properly the down slope time gas after flow time and pulse frequency Start to weld with adjusting the proper weld...

Page 8: ...OMS REASON RECOMMENDED ACTION Cooling fan does not work when the power switch is on No input voltage Fuse 3A is blown Power switch broke down Cooling fan broke down Verify input voltage Replace Fuse 3...

Page 9: ......

Page 10: ......

Page 11: ...WTD 25 1 8 Selector Switch SRM143 1 9 Solenoid Valve DC24V 2M M 1 10 Nipple 9 16 1 4 1 11 Connector K20 2R 1 12 Output Terminal 6M M RED BLACK 2 13 NFB 50A1P 1 14 Nipple 9 16 6 1 15 Cable Lock PG16 1...

Page 12: ...ere Purchased Where you use Whenever you request replacement parts or information on this machine always supply the information you have recorded above The date number is especially important when ide...