Appendix 5: System Schematic, 208/460V Units - ESAB A120 Operating Manual

CUTMASTER A120

APPENDIX 5: SYSTEM SCHEMATIC, 208/460V UNITS

SW1 SW1 J1 J1
1 3
1
2
3
4
2 4
5
+12VDC
/INRUSH
W1 W1
L1
7
L1 T1
L2
PRIMARY 8
AC INPUT L2 T2
L3
9
L3 T3
GND
7A
L4 T4
SW2 SW2
J3 J3
*
1
BUSS BARS/JUMPERS
2
*
INPUT VOLTAGE SELECTOR
(Closed for 230VAC input)
PRIMARY POWER
CONNECTIONS:
MOT1 MOT1 J7 J7
FOR 3 PH:
REMOVE BUSS BARS/JUMPERS 1
FAN
BETWEEN L1 TO L4 & L2 TO L3 + - 2
CONNECT PRIMARY INPUT CABLE
TO L1,L2,L3 & GND
FOR 1PH:
J5 J5
INSTALL BUSS BARS/JUMPERS
BETWEEN L1 TO L4 & L2 TO L3
SOL 1 SOL 1
1
CONNECT PRIMARY INPUT CABLE
2
TO BUSS BARS (L1/L4) & (L2/L3)
3
5
J6 J6
1
W1 W1
2
6
J4 J4
3.3VDC
1
TXD
2
SERIAL PORT
RXD
3
4
D
5
FERRITE
FILTER
J4 J4
MOT2 MOT2
+12VDC
J1 J1
FAN
1
2
MOT3 MOT3
J2 J2
FAN
1
2
A-09132new
A-8
BIAS
SUPPLY
INRUSH
RESISTORS
+
TP2 TP2 MTH1 MTH1
K1 K1
+12VDC
D1
BIAS
SUPPLY
TP8 TP8 MTH7 MTH7
_
AC1 AC1 80A_AC1 80A_AC1
AC2 AC2 80A_AC2 80A_AC2
AC3 AC3 80A_AC3 80A_AC3
460_IN
+12VDC
/FAN
/SOLENOID
24VAC
24VAC RET
J14 J14
SYNC
1 /OVERTEMP +12VDC
2 /FAN_ON
3 /CSR
4 CUR_SET
5 MAIN_PCB_ID
K1,K2 K1,K2
6 COMMON
K5,K6 K5,K6
J13 J13 J12 J12
K3,K4 K3,K4
J1 J1
1
2
3
+12VDC
J2 J2
1
2
J3 J3
+12VDC
J9 J9
/FAN
SYNC
AC1 AC1 40A_AC1 40A_AC1
AC2 AC2 40A_AC2 40A_AC2
AC3 AC3 40A_AC3 40A_AC3
+ PMTH1 PMTH1 PMTH1 PMTH1
D1
PCB2
PMTH4 PMTH4
PMTH4 PMTH4
_
PCB5
40/50 AMP PCB
APPENDIX
B
PRI 2 PRI 2 PRI 2 PRI 2
A
PRI 1 PRI 1 PRI 1 PRI 1
MTH2 MTH2 TP1 TP1
+ + C3,C4,C7,C8* C3,C4,C7,C8*
* CM102 & A80
C7 & C10 not installed
MTH4 MTH4 TP5 TP5
K1 K1 K2 K2 K3 K3 K4 K4 K5 K5 K6 K6
MTH8 MTH8 TP4 TP4
MTH6 MTH6 TP3 TP3
C5,C6,C9,C10* C5,C6,C9,C10*
+ +
C16-17 C16-17 + +
PMTH2 PMTH2 PMTH2 PMTH2
PMTH3 PMTH3 PMTH3 PMTH3
INPUT CAPACITOR PCB
C12-13 C12-13
+ +
T1 T1
PRI 3 PRI 3 PRI 4 PRI 4
C
D
+
Q1
Q2
_
PCB1
MAIN PCB ASSY
T2 T2
PRI 1 PRI 1 PRI 2 PRI 2 PRI 3 PRI 3 PRI 4 PRI 4
A B C D
+
Q1
Q2
_
0-5430