8
GROUNDING INSTRUCTIONS
The appliance must be grounded, if it should malfunction or breakdown, grounding provides a path of least
resistance for electric current to reduce the risk of electric shock. This appliance is equipped with a cord
having equipment-ground conductor and grounding plug. The plug must be inserted into an appropriate
outlet that is properly installed and grounded in accordance with all local codes and ordinances.
WARNING
–
Improper connection of the equipment-grounding conductor can result in a risk of electric
shock. Check with a qualified electrician or service person if you are in doubt as to whether the outlet is
properly grounded. Do not modify the plug provided with the appliance
– if it will not fit the outlet; have a
proper outlet installed by a qualified electrician.
For grounded, cord-connected appliances:
This appliance is for use on a circuit having a normal rating more than 120 volt and is factory-equipped with
a specific electric cord and plug to permit connection to a proper electric circuit. Make sure that the
appliance is connected to an outlet having the same configuration as the plug. No adaptor should be used
with this appliance. If the appliance must be reconnected for use on a different type of electric circuit,
qualified service personnel should make the reconnection.
For a permanently connected appliance:
This appliance must be connected to a grounded metal, permanent wiring system; or an
equipment-grounding conductor must be run with the circuit conductors and connected to the equipment
grounding terminal or lead on the appliance.
Operation Conditions:
Voltage
Steady state voltage: 0,9 to 1,1 of nominal voltage.
Frequency
0, 99 to 1, 01 of nominal frequency continuously; 0, 98 to 1,02 short time.
Harmonics
Harmonic distortion not exceeding 10% of the total r.m.s. voltage between live conductors for
the sum of the 2
nd
through to the 5
th
harmonic.
Voltage interruption
Supply interrupted or at zero voltage for not more than 3 ms at any random time in the
supply cycle with more than 1 s between successive interruption.
Voltage dips
Voltage dips not exceeding 20% of the peak voltage of the supply for more than one cycle with
more than 1 s between successive dips.
The minimum requirement for all electrical equipment is correct operation between air temperature of +5
℃
and +45
℃
.
Electrical equipment is capable of operating correctly when the relative humidity does not exceeding 50% at
a maximum temperature of +45
℃
.
Electrical equipment is capable of operating correctly at altitude up to 1000 m.
Electrical equipment is designed to withstand to protected against the effects of transportation, and storage
temperature within a range of -25
℃
to +55
℃
and for short periods not exceeding 24h at up to +70
℃
.
Avoid exposing to vibration environment.
Avoid exposing to direct sunlight or heat rays.
Have to connect to the factory grounding system correctly away from electric magnetic interference source
sites, such welding, discharge machine.
Summary of Contents for DC-3500
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