Fimer TM320W - Block Diagram Tm 420 W - Tm 500 W - Tm 650 W

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20. BLOCK DIAGRAM TM420 - TM500W - TM650W
1. Contactor
2a. Current switch
2b. Current range selector
3. Power transformer
4. Rectifier bridge
5. Smoothing inductance output
6. Output connectors
7. Control board
7a Wire speed regulation
7b Soft Start selection
7c Burn Buck selection
7d Welding duration regulation
8. Wire feeder motor
9. Gas solenoid valve
10. Thermostat
11. Overheating warning
12. Fan
13. Auxiliary transformer
14. ON/OFF switch
15. ON welding machine lamp