6.1 Common Specifications
6-7
Chap. 6
CONTROL OPTIONS
6.1.4 Installing internal options (OPC-VG1-)
6.1.4.1 Removing the front cover
• Inappropriate installation or removal of the product may cause damage to the product.
• Shut off the inverter's input power supply and verify that the charge lamp (CHARGE) has gone out before
installing or removing options. When external control circuits are powered by separate power supplies, the
inverter's 30A, 30B, 30C, Y5A, and Y5C control terminals may be energized, even when all inverter main
circuits, control, and auxiliary power supplies are off (open). To avoid electric shock, ensure that all external
power supplies are off (open).
Remove the inverter's front cover as shown in the following figures. Note that the method for removing
the cover depends on which inverter model (capacity) you are using.
FRN22VG1S-2J/4J (22 kW) or lower FRN30VG1S-2J/4J (30 kW) or greater
As shown in Figure 6.1.2, loosen the one
mounting screw on the front cover at location (a)
and grip the top of the cover to remove it.
(1) As shown in Figure 6.1.3, remove the
mounting screws on the front cover at location
(b) (the number of screws varies with the
inverter's capacity) and remove the front
cover.
(2) Open the keypad case.
Figure 6.1.2 Removing the Front Cover
FRN22VG1S-2J/4J (22 kW) or lower
Figure 6.1.3 Removing the Front Cover
FRN30VG1S-2J/4J (30 kW) or greater
Control printed
circuit board
Keypad case
a
b
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