DORNA TECHNOLOGY DLM1-01D5S2G, User Manual

Page: 5 / 64

5
！
Caution

Do not carry the front cover of the inverter directly when handling. It should be handled with
the base to prevent the fall-off of the front cover and avoid the dropping of the inverter, which
may possibly cause the injuries to people and the damages to the inverter.

Mount the inverter on a metal or other noncombustible material to avoid the risk of fire.

Install the inverter in a safe location avoiding high temperature, direct sunlight, humid air or
water.

Keep the inverter from the reach of children or persons not concerned. The inverter can only
be used at the places accredited by our company. Any unauthorized working environment
may have the risks of fire, gas explosion, electric shock and other incidents.

Install a heat sink or other cooling device when installing more than one inverter in the same
enclosure so that the temperature inside the enclosure is kept below 40
℃
to avoid overheat
or the risk of fre.

Be sure to turn off the power supply before dissembling or assembling the operation keypanel
and fxing the front cover to avoid bad contact causing faults or non-display of the operator.
● Do not install the inverter in a space with explosive gas to avoid the risk of explosion.
● If the inverter is used at or above 1000m above seal level, the cooling effciency will be
reduced, so please run it by de-rating.

Do not install any switch component like air circuit breaker or contactor at the output of the
inverter. If any of such components must be installed because of the requirements of process
and others, it must be ensured that the inverter has no output when the switch acts. In addition,
it is forbidden to install any capacitor for improvement of power factor or any varistor against
thunder at the output. Otherwise it will cause malfunctions, tripping protection and damages
of components of the inverter. Please remove them as shown in the below diagram.

It will affect the service life of the inverter.If a contact is connected to the front end of input
of the inverter to control its starts and stops. Generally it is required to control it through
Control terminals. Special attention should be paid to its use in the case of frequent starts and
stops.
● Please use an independent power supply for the inverter. Do avoid using the common
power supply with an electrical welder and other equipment with strong disturbance. Otherwise
it will cause the protection or even damage of the inverter.
U
Inverter V
W
M
KM
X
X