Elektron MULTISPOT M80 - Mains power supply connection; Checking mains voltage drop during welding

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3.3 Mains power supply connection
400 V 50/60 Hz (automatic switch-over)
Connection to a 32 A Cekon socket
Fuse: 32/35 A slow fuse
or
32 A automatic circuit-breaker
230 V (190-240 V) 50/60 Hz (automatic switch-over)
Connection to a 63 A Cekon socket
Fuse: 63 A slow fuse
or
63 A automatic circuit-breaker
3.4 Checking the mains voltage drop during welding
If the full performance of the MULTISPOT M80 is to be obtained, the mains
voltage drop during welding must be kept as small as possible.
The full test is described on Page 35, Chapter 11.3:
 Information about the mains drop during welding
 Display with 3 LEDs (15, 16, 17) under the mains plug symbol:
Green = mains OK
Green/yellow = mains drop within tolerance range.
Only yellow = considerable mains drop – welding performance
impaired
If necessary, check mains cord, extension cables etc. or use thicker cables.
Red and = large mains drop with large drop in performance.
warning tone: Welding is not possible. Welding current too low.
If necessary, check mains cord, extension cables etc. or use thicker cables.
 After 2 seconds, the display automatically reverts to green.
 After each welding operation, any mains voltage drop is displayed
for 2 seconds.