Ⅰ.Safety Precautions
1.1 Introduction
The inverter has been strictly and well packed before ex-work. In consideration of various
factors during the transportation special attention should be paid to the following points before
the assembly and installation. If there is anything abnormal please notify the dealer or the
relevant people of our company.
● Check if the inverter has got any damage or deformation during the transportation and handling.
● Check if there is one piece of DLM1series inverter and one user manual when unpacking it.
●Check the information on the nameplate to see if the specifications meet your order (Operating
voltage and KVA value).
● Check if there is something wrong with the innerparts, wiring and circuit board.
● Check if each terminal is tightly locked and if there is any foreign article inside the inverter.
● Check if the operator buttons are all right.
1.2 Before Power-up
！Caution
Check to be sure that the voltage of the main circuit AC power supply matches the input
voltage of the inverter.
E terminals are grounding terminals. Be sure to make correct grounding connection of the
earth terminals of the motor and the inverter for safety.
No contactor should be installed between the power supply and the inverter to be used for
starting or stopping of the inverter. Otherwise it will affect the service life of the inverter.
Danger
●R(L),S,T(N) terminals are power input terminals, never mixed with U.V.W terminals. Be sure
that the wiring of the main circuit is correct. Otherwise it will cause damages of the inverter when
the power is applied to it.
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