Wiring Diagram, Primary. Alteration Of Line Voltage - Soyer BMK-12 W Operating Instructions Manual

2.5.4

Wiring diagram, primary. Alteration of line voltage

(OPTION for BMK-12 W universal)
Always disconnect the connecting plug from the mains socket before opening the
housing of the stud welder. Only trained and appropriately qualified personnel are
allowed to carry out works on the electric power supply and stud welding equipment.
L1
mains supply
3 X 230 - 500 vac
L2
50/60Hz
L3
PE
mains
filter
* Fuse F2
2AT for 400 up to 500 volt
3,15 AT with 230 Volt 3.15 AT with 230 Volt
1
Ill. Primary wiring diagram, drawing no.: 139-902-009
22
DANGER
2-turns
CA20X
main switch
core36
1 2
7 8
5 6
grey
white/blue
3 4
fuse F2 2AT*
(front panel)
D2 grey
Terminals located on
K250
holding loop
X1
control transfo
2 2
230V orange
1
yellow 1
0V
8V red +5V supply
yellow 2
200V
12V blue ignition
yellow 3
230V
yellow 4
12V white SOW
400V
yellow 5
8V black sync
440V
yellow 6
500V
18V green +15V supply
70V brown magnet
load relay
3 4
R 1 2
3 4
T 1 2
PC Board
STA-85
2
PC Board SO-1200
load relay
fuse F1 (front panel)
0.315AT
brown/black brown/black
1 black
Alteration of Mains Voltage
1. Reclamp mains input / control transfo
2. Reclamp control voltage for main Switch
3. Reclamp mains input / welding transfo
Subject to technical changes
BMK-12 W
welding transfo (primary)
3 X 230 - 500 VAC
red
0
0
blue
230
yellow
400
green
440
black
3
500
red
0
0
blue
230
yellow
400
440 green
3
black
500
red
0
0
blue
230
yellow
400
green
440
black
3 500
X2
fan
2 2
1
1
139-902-XXX
BMK10 Universal
BMK 12W Universal
U1
V1
W1