JESS WELDING MIG 325 - Circuit Diagram

Operating manual Page 20
10. circuit diagram
Circuit diagram MIG 325/405
1 3 5 2 4 6
PE L1 L2 L3 K1
Name: Nr.:
2b 3b
8a
1b8a1a 2a 3a 4a 5a 7a
1a 2a 4a3a 5a 6a 7a 1b
5b 6b4b
2b 3b 4b
S1
Y1
1 2 3 4 5 6 7 8 9 11 1210
F1
T 2 A
T 6,3 A
F2
6a
M
M1
+ -
400V 3~50Hz
S6 S7
H1
P
S4
F2
T 6,3 A
8a 1b
Q3 Q2
3 1
27
6 2 10
2 1 4
6 8
5 910
12
17 13 11
9
15
7 5
21 23
19
25
V1
T1
M
1
blue
black
brown
M3
1µF
M
1
blue
brown
black
M2
109876531
VR 1
S8 S9
T2
400 V 230 V
0 V
42 V
0 V
-
27-10 25-10 25-10 19-10 19-10 19-10 23-10 23-10 23-10 21-10 21-10 21-10
1-2 3-2 3-2 3-2 1-2 1-2 5-2 5-2 5-2 7-2 7-2 7-2
15-6
9-6 9-6 9-6
13-6 13-6 13-6 11-6 11-6 11-6 17-6 17-6
1 2 3 4 5 6 7 8 9
10 11 12
11-10
9-105-6
7-6
1-2 3-2
1 2
Schweiß- und Schneidtechnik
5µF
2 3 4 65
MIG 325 MIG 405
Q1
1 3 5
642
1
Gerlach
1 2 3 4
MSE2
+
-
K1
A1 A2
R2
1b
S3
+
R1 R2 Q1 Q2 Q3
grob
K1 L1 M1
H1 F1,F2 R3
S1 S3 S4 S6
T1 T2 Y1 V1
S9* S8* S7
R1
A
S
E
R3
1 2
L1
8a
3
4
Circuit diagram
Date: 25.06.01
MIG-325.033
grade contacts
solenoid valve rectifier aux. transformer welding transformer
thermoswitch Thermos. Thermos. rect. 80° C Thermoswitch transf. 170° C
transf. 80° C
water pressure switch reed - switch (creep in) torch trigger
Shunt resistor wire feed poti. external weld grade switch fine weld grade switch coarse
master switch wire feed motor 42V choke
mains contactor malfunction lamp temperature
fuse
weld grade switch coarse
Q2 Q3
weld grade switch fine
torch
workpiece
fan
Waterpunp
A1 fan control pcb
luster terminal
* Only in machines
for gas-cooled
torches
luster terminal
control box
luster terminal
control box MS15 / MSE2
The bridges 3b-5b and 2b-6b must be removed if an external wire feed potentiometer is connected.
grade contacts