Lincoln Electric IM490-C manual Safety Precautions, Select Suitable Location, Input Connections

A-3 INSTALLATION A-3

Read this entire installation section before you start installation.

SAFETY PRECAUTIONS

WARNING

ELECTRIC SHOCK can kill.

•Have an electrician install and ser- vice this equipment.

•Turn the input power off at the fuse box before working on equipment.

•Do not touch electrically hot parts.

•Be sure to discharge capacitors with the procedure outlined in the Maintenance Section of this manual before working in that area of the equipment.

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SELECT SUITABLE LOCATION

The Invertec V250-S will operate in harsh environ- ments. Even so, it is important that simple preventa- tive measures are followed in order to assure long life and reliable operation.

•The machine must be located where there is free cir- culation of clean air such that air movement in the back and out the front will not be restricted.

•Dirt and dust that can be drawn into the machine should be kept to a minimum. Failure to observe these precautions can result in excessive operating temperatures and nuisance shutdown.

•Keep machine dry. Shelter from rain and snow. Do not place on wet ground or in puddles.

STACKING

V250-S’s cannot be stacked.

TILTING

Place the machine directly on a secure, level surface or on a recommended undercarriage. The machine may topple over if this procedure is not followed.

HIGH FREQUENCY PRECAUTIONS

If possible locate the V250-S away from radio con- trolled machinery. The normal operation of the V250-S may adversely affect the operation of RF con- trolled equipment, which may result in bodily injury or damage to the equipment.

INPUT CONNECTIONS

The Invertec V250-S should be connected only by a qualified electrician. Installation should be made in accordance with all local and national electric codes and the information detailed below.

GROUND CONNECTION

Ground per National Electrical Code for 60Hz machines connect the green lead to earth ground. For 50/60Hz machines connect the ground terminal

marked located in the machine on the lower right side the base of the welder to earth ground.

INPUT SUPPLY CONNECTIONS

Be sure the voltage phase and frequency of the input power is as specified on the rating plate, located on the rear of the machine.

Supply line entry provision is in the case rear panel.

POWER INPUT CONNECTION FOR 60HZ MACHINES

A 10 ft. power cord is provided and wired into the machine. Follow the power cord connection instruc- tions. Incorrect connection may result in equipment damage.

Single Phase Input: Connect green lead to ground per U.S. National Electrical Code. Connect black and white leads to power. Wrap red lead with tape to pro- vide 600V insulation.

Three Phase Input: Connect green lead to ground per U.S. National Electrical Code. Connect black, red and white leads to power.

INVERTEC V250-S