Mitsubishi Electric FR-A820-00046 Instruction Manual page 38

Removal and reinstallation of the operation panel or the front covers
Removal of the front cover (lower side)
(FR-A820-01540(30K) or lower, FR-A840-00770(30K) or lower)
Loosen the screws on the front cover (lower side). (These screws cannot be removed.)
Holding the areas around the installation hooks on the sides of the front cover (lower side), pull
out the front cover (lower side) using its upper side as a support.
With the front cover (lower side) removed, wiring of the main circuit terminals and control circuit
terminals can be performed.
Fig. 2-5:
Removal of the front cover (upper side)
(FR-A820-01540(30K) or lower, FR-A840-00770(30K) or lower)
With the front cover (lower side) removed, loosen the mounting screw(s) on the front cover (upper
side).(The screw(s) cannot be removed.)
(FR-A820-00340(5.5K) to FR-A820-01540(30K) and FR-A840-00170(5.5K) to FR-A840-00770(30K)
have two mounting screws.)
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.
With the front cover (upper side) removed, wiring of the RS-485 terminals and installation of the
plug-in option can be performed.
Fig. 2-6:
2 - 8
Loosen
Removal of the front cover (lower side)
Loosen
Removal of the front cover (upper side)
Installation and wiring
I002347E
I002346E