Weldmatic 180i
Model No MC103, Iss A 02/15
13
Fig 11
Weldarc 180i Circuit Diagram
1
2
1
2
SW1
L1
EARTH
AC1
AC2
1
2
3
4
220V~240VA
C
EARTH
AC
1
AC
2
G
C
E
G
C
E
6
7
4
5
1
2
EA
RTH
+
1
-
2
O
3
G
4
2
2
C2
C1
0
EARTH
3
5
4
1
2
2
1
3
4
D1
2
1
3
4
D2
2
1
3
4
2
1
3
4
VCC
SGND
G
C
E
G
C
E
G1
E1
G2
E2
G1
G2
E1
E2
OHT1
GND
+24V
CS1
CS2
V+
V-
-15V
+15V
IFB
MM
A
IP-1
O.
C
OHT2
VCC
SGND
J1
+
OHT
FA
N
O.C1
VCC-1
G1
G2
E1
E2
1
2
CN
2
1
2
3
FAN
FAN1
+
-
NTC1
SGND
VCC
1
2
3
CN4
1
2
3
CN5
1
2
CN3
AC
1
AC
2
+
3
-
4
+15V
1 2 3 4 5 6 7 8
2C
N1
NTC2
1
2
3
4
CN201
SGND
1
2
3
4
5
6
7
8
CN
6
IF
B
AC
1
AC
2
+
3
-
4
PWA018
PWA017
10.1 Circuit Diagrams – Power Source