4
2
INSTALLATION AND WIRING
2.1
Pre-Installation Instructions
Make sure that the input power of the inverter is off.
2.2
Installation Procedure
CAUTION
With input power on, do not install or remove the plug-in option. Otherwise, the inverter and
plug-in option may be damaged.
For prevention of damage due to static electricity, touch nearby metal before touching this
product to eliminate static electricity from your body.
CAUTION
•
Always perform wiring to the main circuit terminals and control circuit terminals before installing the
option. Wiring cannot be performed after installing the option.
•
When mounting the plug-in option, do not let wires get caught in the plug-in option or the spacer for option
mounting. If a wire gets caught, the inverter and the plug-in option may be damaged.
•
When the inverter cannot recognize that the option is mounted due to improper installation, etc., "
"
(option fault) is displayed.
•
Take care not to drop a mounting screws during mounting and removal.
•
Pull out the option straight to remove. Otherwise, the connector may be damaged.
REMARKS
•
Bcause the voltage class, model name and serial number (only voltage class is labeled for FR-E720-5.5KSC (FR-
E720-240SC), FR-E740-5.5KSC (FR-E740-120SC) or higher) are written on the PU cover, replace the PU cover of
the plug-in option with the removed PU cover of the inverter.
