Output Connections - Lincoln Electric IDEALARC SVM 122-A Service Manual

A-7
FIGURE A.5 - INPUT CONNECTION DIAGRAM FOR 230/460/575 VOLTS AC, 60 HZ
Do not operate with covers
removed
Disconnect input power before
servicing
{
L3
LINES
L2
INPUT
L1
H1
GND
H4
{
L3
LINES
L2
INPUT
L1
H1
GND
H3
{
L3
LINES
L2
INPUT
L1
H1
GND
H2
THE LINCOLN ELECTRIC CO., CLEVELAND OHIO U.S.A.

OUTPUT CONNECTIONS

The output (welding) cables are connected to the output
terminals marked "+" and "-". See Table A.1 for recom-
mended cable sizes for the combined lengths of elec-
trode and work cables. They are located at the lower
right and lower left corners of the front panel. Strain
INSTALLATION
Do not touch electrically live parts
Only qualified persons should install,
use or service this equipment
CR1 6
W
18
RECONNECT
15
5
PANEL
V 17
14
CONTACTOR
4
16
U
13
H2
1 2 3 7 8 9
H3
PILOT
TRANSF.
CR1 6
W 3
RECONNECT
9
5
V 2 PANEL
8
CONTACTOR
4
1
U
7
H2
16 17 18 13 14 15
H4
PILOT
TRANSF.
CR1
9
W
RECONNECT
3
6
8
PANEL
V 5
2
4
CONTACTOR
7
U
1
H3
16 17 18 13 14 15
H4
PILOT
TRANSF.
5-26-95
FIGURE A.6 - OUTPUT TERMINAL CONNECTIONS
IDEALARC DC-400
LINCOLN
IDEALARC (230 / 460 / 575)
INPUT SUPPLY CONNECTION DIAGRAM
IMPORTANT: CHANGE LINK POSITIONS AND PILOT TRANSFORMER CONNECTIONS
NOTE: MACHINES ARE SHIPPED FROM FACTORY CONNECTED FOR 575V
CONNECTION FOR 575 VOLTS, 60 HZ.
1. CONNECT L1, L2 & L3 INPUT SUPPLY LINES AND H1 & H4 PILOT
TRANSFORMER LEADS TO THE INPUT SIDE OF CR1 CONTACTOR AS SHOWN.
2. INSULATE UNUSED H2, H3 LEAD TERMINALS SEPERATELY TO PROVIDE
AT LEAST 600V INSULATION.
3 . C O N N E C T T E R M I N A L M A R K E D T O S Y S T E M G R O U N D P E R N A T I O N A L E L E C T R I C C O D E S .
4. CONNECT TRANSFORMER LEADS 16, 17, 18, 4 & 13, 5 & 14, 6 & 15 TO RECONNECT PANEL.
5. TAPE SEPERATELY TO PROVIDE AT LEAST 600V INSULATION 1, 2, 3, 7, 8, 9.
TAPE INSULATED UNUSED LEADS TOGETHER AWAY FROM LIVE METAL PARTS.
CONNECTION FOR 460 VOLTS, 60 HZ.
1. CONNECT L1, L2 & L3 INPUT SUPPLY LINES AND H1 & H3 PILOT
TRANSFORMER LEADS TO THE INPUT SIDE OF CR1 CONTACTOR AS SHOWN.
2. INSULATE UNUSED H2, H4 LEAD TERMINALS SEPERATELY TO PROVIDE
AT LEAST 600V INSULATION.
3 . C O N N E C T T E R M I N A L M A R K E D T O S Y S T E M G R O U N D P E R N A T I O N A L E L E C T R I C C O D E S .
4. CONNECT TRANSFORMER LEADS 1, 2, 3, 4 & 7, 5 & 8, 6 & 9 TO RECONNECT PANEL.
5. TAPE SEPERATELY TO PROVIDE AT LEAST 600V INSULATION 13, 14, 15, 16, 17, 18.
TAPE INSULATED UNUSED LEADS TOGETHER AWAY FROM LIVE METAL PARTS.
CONNECTION FOR 230 VOLTS, 60 HZ.
1. CONNECT L1, L2 & L3 INPUT SUPPLY LINES AND H1 & H2 PILOT
TRANSFORMER LEADS TO THE INPUT SIDE OF CR1 CONTACTOR AS SHOWN.
2. INSULATE UNUSED H3, H4 LEAD TERMINALS SEPERATELY TO PROVIDE
AT LEAST 600V INSULATION.
3 . C O N N E C T T E R M I N A L M A R K E D T O S Y S T E M G R O U N D P E R N A T I O N A L E L E C T R I C C O D E S .
4. CONNECT TRANSFORMER LEADS 1 & 7, 2 & 8, 3 & 9, 4 & 5 & 6, TO RECONNECT PANEL.
5. TAPE SEPERATELY TO PROVIDE AT LEAST 600V INSULATION 13, 14, 15, 16, 17, 18.
TAPE INSULATED UNUSED LEADS TOGETHER AWAY FROM LIVE METAL PARTS.
relief for the cables is provided by routing them through
the rectangular holes in the base before connecting
them to the output terminals. Lift the output terminal
cover to access the output terminals. Lower the cover
after making the connections. See Figure A.6.
1. NEGATIVE (-) WELDING CABLE CONNECTION
2. POSITIVE (+) WELDING CABLE CONNECTION
3. CABLE STRAIN RELIEF HOLE LOCATION
®
ELECTRIC
A-7
.
M15666