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SELECT PROPER LOCATION
Place the power supply where clean cooling air can
freely circulate in through the front louvers and out
through the rear louvers. Dirt, dust or any foreign mate-
rial that can be drawn into the welder should be kept at
a minimum. Failure to observe these precautions can
result in excessive operating temperatures and nui-
sance shut-downs.
STACKING
Two MULTI-SOURCE machines can be stacked.
Follow these guidelines when stacking:
1. Select a firm, level surface capable of supporting
the total weight of up to two machines (1984
pounds/901kilograms).
2. Set the bottom machine in place.
3. Stack the second machine on top of it by aligning
INSTALLATION
A-3 A-3
MULTI-SOURCE
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the two holes in the base rails on the second
machine with the two pins on top at the front of the
bottom machine.
Note: The machines must be stacked with the Case
Front of each machine flush with each other.
See Figure A.1. below.
TILTING
The MULTI-SOURCE must be placed on a stable, level
surface so it will not topple over.
ELECTRICAL INPUT
CONNECTIONS
Before installing the machine, check that the input sup-
ply voltage, phase, and frequency are the same as the
machine’s voltage, phase, and frequency as specified
on the machine’s rating plate on the Case Front
Assembly Control Panel. Connect input power supply
by removing the rear access panel and connecting to
the three line terminals on the input panel. See Figure
A.2 for location of the machine’s input cable entry
opening and reconnect panel assembly for dual volt-
age machines.
Read entire Installation Section before installing the
MULTI-SOURCE.
SAFETY PRECAUTIONS
STACKING HOLE
STACKING PIN
U
V
W
Rear Panel
FIGURE A.1. - Stacking the MULTI-SOURCE
FIGURE A.2. - Input Power Supply Connection
ELECTRIC SHOCK can kill.
• Have an electrician install and service
this equipment.
• Turn the input power off at the fuse box
before working on equipment.
• Do not touch electrically hot parts.
• The Multi-Source power supply should not be used if
the green Safe Output light is not lit. The machine is
designed to open its input contactor if output voltage
peaks exceed the limits set by certain approval
agencies. If the Safe Output light is on, the output
voltage is within it designed operating range.
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WARNING
FALLING EQUIPMENT can cause
injury.
• Two Multi-Source machines can be
stacked.
• Lift only with equipment of adequate
lifting capacity.
• Be sure machine is stable when lifting.
• Do not stack more than two high.
• Do not stack the Multi-Source on top of any other
machine.
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WARNING