Appendix A - Interconnect Diagram - Thermal Arc ARCMASTER 300 MST Operating Manual

Inverter arc welder
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APPENDIX A – INTERCONNECT DIAGRAM
S1
Line1
Line2
Line3
+
Ground
PCB21
E
Filter
Circuit Bord
[WK-4917]
CN1
SIDE CHASSIS 1
1 2
REAR
PANEL
1 2 3
1
N
CN2
2
3
4
P
5
6
R2
1
460V
2
S2
3
4
230V
FAN1
-
+
CN31
1
CN31
2
3
4
Conect Circuit Bord
CN131
CN131
1
1
2
2
3
3
4
1
1
2
2
3
3
0V
1
2
24V
3
4
5
CN7
115V
6
1 2 3 4 5 6 7
19P
S3
S
T
V
C U H J N K
14P
CON2
1
2
D1
+
(1)
P
K(7)
G(6)
P
R(3)
TB1
(0)
R2
S(4)
R2
N
T(5)
-
(2)
N
TB2
1
2
3
4
TB3
5
PCB2
T1
Link
Circuit Bord
[WK-5597]
MCB1
1
2
TB4
3
4
5
CN1
CN4
1 2 3
1 2
1 2 3 4 5
CN3
1 2 3
1 2
PCB4
Detect
CN7
CN10
Circuit Bord
[WK-4819]
CN5
CN6
CN1
CN5
CN6
CN4
CN32
CN30
PCB3
CN32
CN30
Control Souce
PCB5
Circuit Bord
[WK-5548]
[WK-5696]
CN132
CN130
CN132
CN130
CN27
CN18
CN27
CN18
PCB7
Filter Circuit Bord
CN1
[WK-5689]
1 2 3 4 5 6 7
1 2 3 4 5
PCB17
CN3
Socket Receptacle Circuit Bord
[WK-5699]
CN6
CN5
8
1 2 3
1 2 3 4 5 6
L
A B M
G
R F D P
E
Q1
C
TB13
C
UB3
G
TB14
CE
E
TB15
E
PCB8
Q2
C
PCB1
IGBT
Main
Gate
G
Circuit
Circuit
Bord
E
Bord
[WK-5493]
Q3
C
[WK-5479]
TB1
G
G1
1
E
E1
2
Q4
C
3
G
E
Q5
C
G2
1
E2
2
G
3
E
4
Q6
C
TB2
G
E
TB3
C
Q7
TB18
C
G
TB19
CE
E
TB20
E
PCB9
C
IGBT
Gate
G
TB4
Circuit
E
Bord
Q9
C
[WK-5479]
G
G3
1
E
Q10
E3
2
C
3
G
E
C
Q11
G4
1
G
E4
2
3
E
4
C
Q12
G
1
CT1
E
2
CT2
3
CT3
4
CT4
1 2 3 4 5 6
1 2 3 4 5 6 7
CN20
CN21
CN3
CN3
CN13
CN15
1 2 3
1 2 3 4 5
1 2 3 4
1 2 3
4 5
6 7
CN4
CN10
1 2 3 4 5 6 7
1 2 3 4
EC
M
N
C
D E H F N J
CON1
51
C
Q13
TB10
C
G
TB11
CE
E
TB12
E
PCB10
C
Q14
IGBT
Gate
G
Circuit
E
Bord
C
Q15
[WK-5479]
G
G4
1
E
E4
2
Q16
C
3
G
E
Q17
C
G3
1
E3
2
G
3
E
4
C
Q18
G
E
C
Q19
TB5
C
UB1
G
TB6
CE
E
TB7
E
PCB11
C
Q20
Q8
IGBT
Gate
G
Circuit
E
Bord
Q21
C
[WK-5479]
G
G7
1
E
Q22
E7
2
C
3
G
E
C
Q23
G8
1
G
E8
2
3
E
4
C
Q24
G
E
1 2 3 4 5 6
1 2 3 4 5 6 7
CN22
CN23
PCB6
Control
Circuit Bord
[WK-5688]
CN16
CN2
CN19
1 2 3 4 5 6
1 2 3
1 2 3 4 5 6
1 2 3
CN2
CN15
CN9
CN8
TB1
1 2 3 4 5 6
EC
B
K
G
A
I L

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