Mitsubishi Electric FR-A872-P Instruction Manual page 25

 Removal of the lower main circuit terminal cover
(a) Remove the mounting screws to remove the lower main circuit terminal cover.
(b) With the cover removed, terminals U, V, and W can be wired and the cooling fan can be replaced (refer to
 Removal of the front cover
(a) Remove the mounting screws to remove the lower front cover.
(b) The upper front cover can be removed by removing the lower front cover.
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2. INSTALLATION AND WIRING
2.2 Removal and reinstallation of the operation panel or the front covers
(a)
(a)
(b)
(b)
page 106).