Mitsubishi Electric FR-F820-00046 Instruction Manual page 33

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