Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual page 35

 Removal of the front cover (upper side) (FR-A820-01540(30K) or lower,
FR-A840-00770(30K) or lower)
(a)
(a) With the front cover (lower side) removed, loosen the mounting screws on the front cover (upper side). (These screws
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.)
(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.
 Reinstallation of the front covers (FR-A820-01540(30K) or lower, FR-
A840-00770(30K) or lower)
(a)
(a) Insert the upper hooks of the front cover (upper side) into the sockets of the inverter.
Securely install the front cover (upper side) to the inverter by fixing the hooks on the sides of the cover into place.
(b) Tighten the mounting screw(s) at the lower part of the front cover (upper side). (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.)
(c) Install the front cover (lower side) by inserting the upper hook into the socket of the front cover (upper side).
(d) Tighten the mounting screws at the lower part of the front cover (lower side).
34
2. INSTALLATION AND WIRING
2.2 Removal and reinstallation of the operation panel or the front covers
(b)
Loosen Loosen Loosen
(b)
Fasten Fasten Fasten
(c)
(c) (d)
Fasten Fasten Fasten