8
-4
* The factory settings of C6-01(CT/VT selection) between Inverters with software version PRG:101
and PRG: 103
are different. Be sure to check the
C6-01 setting of the Inverter before replacing the control board, and set C6-01.
Types and Number of Cooling Fans Used in the Drive
Cooling fans used for the Drive has two types; Heatsink cooling fan and heatsink circulation fan. Heatsink
cooling fan blows air to the Drive cooling fin. Heatsink circulation fan stirs up the air inside the Drive unit.
Table 8.3
shows the number of cooling fans used in the Drive.
When replacing the fan, use the specified type of the fan. If the inapplicable fans are used, performance of the
Drive will not be fully obtained.
Step No.
Digital Operator Display
Description
1
Set o2-04 (kVA selection) to the capacity of
the Inverter that you use.
2
Set A1-03 (Initialize) to 2220 (2-wire initial-
ization) or 3330 (3-wire initialization).
This example is a typical setting for initial-
ization by a 2-wire sequence.
3
-
After initialization has been completed, use
the copy function of the Operator to copy the
settings of the constants of the control board
from the Operator to the Inverter before
replacing the board.
If the copy function is not available, change
the setting of the constants manually.*
4
Switch the mode to the DRIVE, and then
press the DATA/ENTER Key to display the
frequency setting display. The operation
becomes enabled.
Table 8.3 Number of Cooling Fans to be Used
Maximum Motor
Capacity
(kW)
200 V Class
400 V Class
Heatsink Cooling
Fan
Heatsink Circulation
Fan
Heatsink Cooling
Fan
Heatsink Circulation
Fan
0.4
-
-
-
-
0.75
-
-
-
-
1.5
-
-
-
-
2.2
-
-
1
-
3.7
1
-
1
-
5.5
1
-
1
-
7.5
2
-
2
-
11
2
1
2
1
15
2
-
2
-
18.5
2
1
2
1
22
2
-
2
-
30
2
-
2
-