Delta Electronics VFD-VL 사용자 설명서

 

Revision Nov. 2008, VLE1, SW V1.03

 

3-1

 

 

 

„  Make sure that the wiring is correct. In particular, check that the 

output terminals U/T1, V/T2, W/T3 are NOT connected to power 

and that the drive is well grounded. 

„  Verify that no other equipment is connected to the AC motor 

„  Do NOT operate the AC motor drive with humid hands. 

„  Verify that there are no short-circuits between terminals and from 

terminals to ground or mains power. 

„  Check for loose terminals, connectors or screws. 

„  Make sure that the front cover is well installed before applying 

power. 

 

„  Please do NOT touch output terminals U, V, W when power is still 

applied to L1/R, L2/S, L3/T even when the AC motor drive has 

stopped. The DC-link capacitors may still be charged to hazardous 

voltage levels, even if the power has been turned off. 

The factory setting for operation method is set to control terminal. But it is just one of the operation 

methods. The operation method can be via communication, control terminals settings or optional 
digital keypad KPVL-CC01. Please choose a suitable method depending on application and 
operation rule. The operation is usually used as shown in the following table.