Mitsubishi Electric FR-F800 Series Instruction Manual page 35

 Removal of the lower front cover (FR-F820-01870(45K) or higher, FR-
F840-00930(45K) or higher)
(a) Remove the mounting screws to remove the lower front cover.
(b) With the lower front cover removed, the main circuit can be wired.
 Removal of the upper front cover (FR-F820-01870(45K) or higher, FR-
F840-00930(45K) or higher)
(a)
(a) With the lower front cover removed, loosen the screws on the upper front cover. (These screws cannot be removed.)
(b) While holding the areas around the installation hooks on the sides of the upper front cover, pull out the cover using its upper
side as a support.
(c) With the upper front cover removed, the control circuit and the RS-485 terminals can be wired and the plug-in option can
be installed.
34
2. INSTALLATION AND WIRING
2.2 Removal and reinstallation of the operation panel or the front covers
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(a)
(b)
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(b)
(c)