Wiring the Ceiling Panel and the Indicator

Hole for ceiling panel hook

3-6-3. Wiring the Ceiling Panel and the Indicator
(1)	Remove the 2 screws from the control box cover, then open	Drain pipe side
(1)	Remove the 2 screws from the control box cover, then open
	the cover. Be careful that the cover does not fall.
	&RQQHFWWKH3 )/$3 ZLULQJFRQQHFWRUIURPWKHFHLOLQJ	Control box
	&RQQHFWWKH3 )/$3 ZLULQJFRQQHFWRUIURPWKHFHLOLQJ
	panel to the connector on the control PCB in the control box.
	(Fig. 6-21)	Refrigerant tube side
	(Fig. 6-21)
(3)	Connect the 7P IND and 4P RC wiring connector from the	Indicator cover
	indicator to the connectors on the control PCB in the control	Indicator cover
		Power box

	box. (Fig. 6-21)	As to how to attach the indicator cover, refer to Fig.6-23.

(4) Be sure to use the clamps to fasten the connector wires in

place. (Fig. 6-21)		Fig. 6-22
place. (Fig. 6-21)
(5) Tighten the 2 cover screws to	Ceiling panel	Indoor unit	7P IND and 4P RC
close the cover.	3)/$3ZLULQJFRQQHFWRU	Indicator	7P IND and 4P RC
close the cover.	3)/$3ZLULQJFRQQHFWRU		wiring connector
			wiring connector
Check that the wiring	Clamps
connectors are not caught					4P
between the electrical				)/$3	4P
component box and the cover.			5P	)/$3	RCIND
			5P

If the indicator connector is		3)/$3			7P
not securely connected,		3)/$3			7P
not securely connected,		wiring connector
the remote controller
signal will not be
received.

If the connectors are not

connected, the auto flap will not operate. Be sure

to connect them securely.	Indicator	7P IND and 4P RC wiring connector	Control box
			Control box

* Pass the wiring connectors through the clamps to fasten them in place, as shown in the figure.

Fig. 6-21

3-6-4. How to Attach the Corner Cover and Air-Intake Grille

A. Attaching the corner cover

(1) Check that the safety strap from the corner cover is fas- tened to the ceiling panel pin, as shown in the figure. (Fig. 6-23)

(2) Use the supplied screws to attach the corner cover to the ceiling panel.

B. Attaching the air-intake grille

To install the air-intake grille, follow the steps for 3-6-1. Before Installing the Ceiling Panel in the reverse order. By rotating the air-intake grille, it is possible to attach the

grille onto the ceiling panel from any of 4 directions. (Fig. 6-25)

Place the corner cover so that the 3 tabs fit into the holes in the ceiling panel.

Then fasten it in place with the supplied screws.

Fig. 6-23

* The grille can be installed

When attaching the air-intake grille, be careful that the flap and the indicator wiring do

not become caught.

Be sure to attach the safety cord that prevents the air-intake grille from dropping off to the ceiling panel unit as shown

in Fig. 6-24.

Hook that prevents the grille from dropping

Fig. 6-24

with these hinges facing in any of 4 directions.

Can be installed rotated 90

Fig. 6-25

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3-6-3. Wiring the Ceiling Panel and the Indicator

B. Attaching the air-intake grille

CZ-18BT1U, CS-KE18NB4UW, CS-MKE12NB4U, CU-3KE19NBU, CU-4KE24NBU specifications