SUPERIOR 240 CE
Block 34
Block 36
Duty Cycle Limiter
Fan
Consisting of: U3C (control board)
Consisting of: V1 and V2
Limits the machine duty cycle under loadless operation.
Used to cool the power components and is powered by
block 12 (at 12Vdc).
Block 35
Power supply LED
Consisting of: green LED D8 (control board)
Indicates when the machine is correctly powered and
ready to weld.
Input filter board
(1) EMC FILTER
(2)
VARISTOR
(6) CHOPPER
(7) CURRENT
TRANSFORMER
(5)
FILTER
(6)
CHOPPER
(13)
DRIVER
OPTO
ISOLATOR
(U1,U2, ISO2, ISO3)
Primary board
ILLUSTRATIONS
(4) PRECHARGE
(3) RECTIFIER
BRIDGE
(12) FLYBACK
POWER SUPPLY
(1) EMC FILTER
5
