Removal of the upper front cover (FR-A820-01540(30K) or lower, FR- A840-00770(30K) or lower) 1 (a) (b) (c) 2 Loosen Loosen Loosen 3 4 5 (a) With the lower front cover removed, loosen the screw on the upper front cover. (This screw 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 6 screws.) (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 RS-485 terminals can be wired and the plug-in option can be installed.
7 Reinstallation of the front covers (FR-A820-01540(30K) or lower, FR- A840-00770(30K) or lower) 8 (a) (b) (c) (d) 9 10 Tighten Tighten Tighten Tighten Tighten Tighten (a) Clip on the upper front cover as illustrated. Check that it is properly secured. (b) Tighten the screws on the lower part of the cover. (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 lower front cover by inserting the upper hook into the socket of the upper front cover. (d) Tighten the screws on the lower part of the lower front cover.
When installing the upper front cover, fit the connector of the operation panel securely along the guides of the PU connector. 35 2. INSTALLATION AND WIRING 2.2 Removal and reinstallation of the operation panel or the front covers NOTE