11
Meaning of graphic symbols on welding power source
Power supply switch
System for use in environments with in-
creased risk of electroshock
Product suitable for free circulation in the
European Community
Danger! high voltage
Grounding
Positive pole snap-in connector
Negative pole snap-in connector
Warning!
Before using the equipment you should
carefully read the instructions included in
this manual
Danger! Parts moving
It is forbidden to use gloves
Special disposal
Wiring diagram
KEY TO THE ELECTRICAL DIAGRAM
•
1
•
2
•
3
•
4
•
5
•
6
•
7
•
8
•
9
•
10
C-LINK
C2
CHR
Cp
CT
D2
EVG
F-EMC
IL
L2
•
11
•
12
•
13
•
14
•
15
•
16
•
17
•
18
•
19
•
20
MI
MV1-2
PT
R2
RF
RP
RS
S-INV
S-M
SDF
•
21
•
22
•
23
•
24
•
25
•
26
TAUX
THA
THP
THS
TP
VR
•1
Capacitor
•2
SNUBBER capacitor for output diodes
•3
Power supply connector for the cooling system
•4
Quick connection protection capacitor
•5
Torch
connector
•6
Secondary diode
•7
Gas solenoid valve
•8
EMC filter
•9
Power supply switch
•10
Secondary inductor
•11
Primary upper IGBT
•12
Fan mo-
tor
•13
Torch button
•14
SNUBBER capacitor for output diodes
•15
Rack panel
•16
Primary rectifier
•17
Secondary rectifier
•18
Inverter PCB
•19
Motor
control PCB
•20
Digital interface PCB
•21
Auxiliary transformer
•22
Hall effect transformer
•23
Primary thermostat
•24
Secondary thermostat
•25
Main
transformer
•26
Output diodes snubber varistor
COLOUR KEY
AN
Orange-Black
Ar
Orange
AR
Sky Blue-Red
Az
Sky Blue
Bc
White
Bl
Blue
BN
White-Black
Gg
Grey
Gl
Yellow
GV
Yellow-Green
Mr
Brown
NA
Black-Sky Blue
Nr
Black
RN
Red-Black
Ro
Pink
Rs
Red
Vd
Green
Vl
Violet