Reconnect Procedure; Connection For Highest Rating Plate Voltage, 50 Or 60 Hz. - Lincoln Electric Idealarc DC600 9773MSP Service Manual

RECONNECT PROCEDURE

Multiple voltage machines are shipped connected to
the highest input voltage listed on the machine's rating
plate. Before installing the machine, check that the
Reconnect Panel in the Input Box Assembly is con-
nected for the proper voltage.
CAUTION
Failure to follow these instructions can cause immedi-
ate failure of components within the machine.
__________________

CONNECTION FOR HIGHEST RATING PLATE VOLTAGE, 50 OR 60 HZ.

LINK
CRI
L3 W
LINES
L2
V
CONTACTOR
INPUT
L1
U
H1
GND
H3 H2
PILOT
TRANSF.
CONNECTION FOR LOWEST RATING PLATE VOLTAGE, 50 OR 60 HZ.
LINK
L3 CRI
W
LINES
L2
V
INPUT
CTOR
L1
U
H1
GND
H2 H3
PILOT
TRANSF.
FIGURE A.4-Reconnect Panel Board Positions for Dual Voltage Machines
INSTALLATION
To reconnect a multiple voltage machine to a different
voltage, remove input power and change the position
of the reconnect board on the Reconnect Panel.
Follow The Input Connection Diagram located on the
inside of Case Back Input Access Door. These con-
nection diagrams for the following codes are listed
below.
1. For codes 9773MSP, 9910M, 9776M, 9780M, see
Figure A.4.
2. For code 9778M, see Figure A.5.
3. For code 9779M, see Figure A.6.
4. For code 9774, see Figure A.7.
5. For code 9793MSP, see Figure A.8.
6. For codes not listed, see the Input Connection
Diagram pasted on the inside of the Case
Back Input Access Door.
1. TURN OFF THE INPUT POWER USING THE DISCONNECT SWITCH AT THE FUSE BOX
2. DISCONNECT AND INSULATE THE H2 LEAD TERMINAL WITH TAPE TO PROVIDE AT
LEAST 600 VOLT INSULATION.
3. CONNECT L1, L2 & L3 INPUT SUPPLY LINES H1 AND H3 TRANSFORMER LEADS TO THE INPUT SIDE OF
THE CRI CONTACTOR AS SHOWN.
4. CONNECT TERMINAL MARKED
5. MOUNT THE LINKS IN THE POSITIONS SHOWN WITH THE PROVIDED HEX NUTS,
DOUBLE UP THE LINKS IN TWO OF THE POSITIONS TO SAVE THEM FOR FUTURE USE. SECURE THE
REMAINING HEX NUTS IN PLACE.
1. TURN OFF THE INPUT POWER USING THE DISCONNECT SWITCH AT THE FUSE BOX
2. DISCONNECT AND INSULATE THE H3 LEAD TERMINAL WITH TAPE TO PROVIDE AT
LEAST 600 VOLT INSULATION.
3. CONNECT L1, L2 & L3 INPUT SUPPLY LINES H1 AND H2 TRANSFORMER LEADS TO THE INPUT SIDE OF
THE CRI CONTACTOR AS SHOWN.
4. CONNECT TERMINAL MARKED
5. MOUNT THE LINKS IN THE POSITIONS SHOWN WITH THE PROVIDED HEX NUTS.
TO GROUND PER LOCAL AND NATIONAL ELECTRIC CODES.
TO GROUND PER LOCAL AND NATIONAL ELECTRIC CODES.
IDEALARC DC-600
A-5