INSTALLATION |
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FUSE AND WIRE SIZES
Protect the input circuit with the super lag fuses or delay type circuit breakers listed on the Specifications page of this manual for the machine being used. The tripping action of delay type circuit breakers decreases as the magnitude of the current increases. They are also called inverse time or thermal/magnetic circuit breakers.
DO NOT use fuses or circuit breakers with a lower amp rating than recommended. This can result in "nuisance" tripping caused by inrush current even when machine is not being used for cutting or gouging at high output currents.
Use input and grounding wire sizes that meet local electrical codes or see the Specifications page in this manual.
GROUND CONNECTION
Ground the frame of the machine. A ground ter- minal marked with the symbol (
) is located at the left side of the Input Box Assembly. Access to the Input Box Assembly is at the
INPUT POWER SUPPLY CONNECTIONS
A qualified electrician should connect the input power supply leads to the L1 and L2 terminals on the Input Box Assembly Terminal Block.
1.Follow all national and local electrical codes.
2.Follow Input Supply Connection Diagram located on the inside of the access door.
3.Use a
4.Connect leads to machine's terminal block. See Figure A.2.
a.For #8 AWG wire (8.4mm), connect leads directly to machine's terminal block.
b.For #10 AWG wire (5.3mm), connect leads to terminal block using the ferrules
(1)Strip 1/2" (12.7mm) of insulation from wire.
(2)Place ferrule over wire.
(3)Connect to machine terminal block.
c.Tighten screws to 16 in/lbs (1.8 N.M.)
GND.
L1 L2
TERMINAL
BLOCK
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| PANEL ASSEMBLY | ||
For #10 (5.3mm2) | .50" |
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AWG Wire Only |
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| Strip #10 (5.3mm2) Wire | ||||
Place Ferrule
Before Insertion into Machine Terminal Block.