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11. DETACHMENTS
WARNING
Be sure to stop operation of the air conditioner before
work and then turn off switch of the breaker.
CAUTION
Be sure to put on gloves during working time;
otherwise an injury will be caused by a part etc.
1. Intake grille, Electrical parts box
<Procedure>
1. Unfasten two intake grille screws at the upper part of the intake grille to draw the intake grille toward
you, and remove two strings that connect the intake grille to the unit to remove the intake grille while
lifting it up.
* E-type retaining rings (E-ring) are provided with the intake grille screws to prevent the screw from
coming off the grille. Unfasten the E-ring until it can be turned, and then open the grille.
2. Remove an electrical parts box equipped at bottom part of plate in following procedures.
• RM56, RM80
1) Remove the Screw 1 and Screw 2 from drip-proof cover on the bottom plate to remove the cover.
2) Remove the Screw 3 and Screw 4 from the electrical parts box cover to remove the cover.
3) Remove the connectors for Fan motor (7P) from CN210 (White).
4) Remove the connectors for louver motor (20P) from CN510 (White).
5) Remove the relay connector for remote controller.
6) Remove connectors for three temperature sensors (CN101 (Black), CN102 (Red), and CN104
(Yellow)) from the P.C. board.
7) Remove the indoor/outdoor communication wires from terminal block for power supply.
8) Remove the two screws that fix the electrical parts box to lower part of the cabinet, and slide the
electrical parts box to the right to draw it toward you.
• RM110 to RM160
1) Remove the Screw 3 and Screw 4 from the electrical parts box cover, to remove the cover.
2) Remove the connectors for Fan motor (7P) from CN210 (White).
3) Remove the connectors for louver motor (20P) from CN510 (White).
4) Remove the relay connector for remote controller.
5) Remove connectors for three temperature sensors (CN101 (Black), CN102 (Red), and CN104
(Yellow)) from the P.C. board.
6) Remove the indoor/outdoor communication wires from terminal block for power supply.
7) Remove the two screws that fix the electrical parts box to lower part of the cabinet, and slide the
electrical parts box to the right to draw it toward you.
* Drip-proof cover is equipped with only RM56 and RM80 models.
Electrical parts
box cover
Drip-proof cover
Only RM56, RM80
Electrical parts box
1
2
3
4
Intake grille
screw
Intake grille