INSTALLATION | ||
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Read entire installation section before starting installation.
Safety Precautions
WARNING
ELECTRIC SHOCK can kill.
•Only qualified personnel should per- form this installation.
•Turn the input power OFF and unplug the machine from the receptacle before working on this equipment. Allow machine to sit for 5 minutes minimum to allow the power capac- itors to discharge before working inside this equipment.
•Insulate yourself from the work and ground.
•Always wear dry insulating gloves.
•Always connect the
SELECT SUITABLE LOCATION
The Invertec will operate in harsh environments. Even so, it is important that simple preventative 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.
STACKING
The Invertec
TILTING
Place the machine directly on a secure, level surface. The machine may topple over if this procedure is not followed.
ENVIRONMENTAL AREA
Keep the machine dry. Do not place it on wet ground or in puddles.
MACHINE GROUNDING AND HIGH FRE- QUENCY INTERFERENCE PROTECTION
The Capacitor Discharge Circuit used in the high fre- quency generator, may cause many radio, TV and electronic equipment interference problems. These problems may be the result of radiated interference. Proper grounding methods can reduce or eliminate radiated interference.
The Invertec
Radiated interference can develop in the following four ways:
1.Direct interference radiated from the welder.
2.Direct interference radiated from the welding leads.
3.Direct interference radiated from feedback into the power lines.
4.Interference from
Keeping these contributing factors in mind, installing equipment per the following instructions should mini- mize problems.
1.Keep the welder power supply lines as short as pos- sible and enclose as much of them as possible in rigid metallic conduit or equivalent shielding for a distance of 50 feet (15.2m). There should be good electrical contact between this conduit and the welder case ground. Both ends of the conduit should be connected to a driven ground and the entire length should be continuous.
2.Keep the work and electrode leads as short as pos- sible and as close together as possible. Lengths should not exceed 25 ft (7.6m). Tape the electrode and work leads together into one bundle when prac- tical.
