ESAB Origo Mag C171, Service Manual

Page: 13 / 45

Edition 080529
-- 13 --
1sC1425
WIRING DIAGRAM, Mag C171 / C201
Component description
WARNING !
STATIC ELECTRICITY can damage circuit
boards and electronic components.
SSSS
Observe precautions for handling electrostatic
sensitive devices.
SSSS
Use proper static--proof bags and boxes.
ESD
AP1
Circuit board
AP2
Digital instrument, accessory
C1, C2, CVS
Capacitor 0,1uF/250V
EV1
Fan
KM1
Contactor 42V, 50--60Hz
L1
Inductor
L2, L3
Ferrite core
LF1
Lamp, white, On/Off, 230V
M1
Feed unit motor
QF1
Switch, ON/OFF
QF2
Switch, 8--step welding voltage selector for C171
Switch, 12--step welding voltage selector for C201
RO
Resistor 15
Ω
/20W
RVS
Resistor
RP1
Potentiometer, wire feed speed
RP2
Potentiometer with switch, spot welding
RI
Shunt, accessory
RL
Resistor
ST1 C171:
Thermal switch, operates at 150
o
C. Thermal switch is mounted on the
inductor.
C201:
Thermal switch, operates at 130
o
C. Thermal switch is mounted on the
transformer.
TC1
Control transformer
TC2
Transformer for CO
2
heater, accessory
TC3
Transformer for digital instrument, accessory