8
5.3. Installing the grille
• Please pay attention because there is a restriction in the attachment position of the
grille.
5.3.1. Preparations (Fig. 5-5)
• Install the two enclosed screws with washer in the main unit (at the corner refriger-
ant pipe area and at the opposite corner) as shown in the diagram.
A
Main unit
B
Detailed diagram of installed screw with washer (accessory).
15~20
A
B
(mm)
Fig. 5-5
5.3.2. Temporary installation of the grille (Fig. 5-6)
• Align the electric component box of the main unit and the receiver of the grille, and
then temporarily secure the grille using the bell shaped holes.
* Make sure that the lead wiring of the grille does not get pinched between the
grille and the main unit.
A
Main unit
B
Electric component box
C
Screw with washer (for temporary use)
D
Screw with washer (Accessory)
E
Grille
F
Bell shaped hole
5.3.3. Securing the grille (Fig. 5-7)
• Secure the grille to the main unit by tightening the previously installed two screws
(with captive washer) as well as the two remaining screws (with captive washer).
* Make sure that there are no gaps between the main unit and the grille or the
grille and the ceiling.
A
Ceiling
B
Main unit
C
Grille
D
Make sure that there are no gaps.
A
C
D
B
Fig. 5-6
Fig. 5-7
5. Installing the grille
C
D
B
E
Fig. 5-8
5.4. Locking the up/down airflow direction (Fig. 5-9)
The vanes of the unit can be set and locked in up or down orientations depending
upon the environment of use.
• Set according to the preference of the customer.
The operation of the fixed up/down vanes and all automatic controls cannot be
performed using the remote controller. In addition, the actual position of the vanes
may differ from the position indicated on the remote controller.
1
Turn off the main power switch.
Injuries and or an electrical shock may occur while the fan of the unit is rotating.
2
Disconnect the connector for the vane motor of the vent that you want to lock.
(While pressing the button, remove the connector in the direction indicated by the
arrow as shown in the diagram.) After removing the connector, insulate it with
tape.
3
To adjust the desired airflow direction, slowly move the up/down vanes within the
specified range. (Fig. 5-10)
Specified range
Up/down airflow
Horizontal 30° Downward 45° Downward 55° Downward 70°
direction
A (mm)
21
25
28
30
• The vanes can be set between 21 and 30 mm.
Caution:
Do not set the up/down vanes passed the specified range. Condensation could
form on and drop from the ceiling, or the unit could malfunction.
C
B
A
D
B
A
D
Fig. 5-9
A
Button
B
Vane motor
C
Up/down vanes
D
Connector
E
F
A
5.3.4. Wire connection (Fig. 5-8)
• Be sure to connect the unit to the connector (white:10-pole/red:9-pole). Next, at-
tach the white glass tube that comes with the main unit so that the tube covers the
connector. Close the opening of the glass tube with the band.
• Make sure that there is no slack in the each lead wire at the fastener on the grille.
A
Fastener (Accessory)
B
White glass tube
C
Connector of the main unit
D
Connector of the grille
E
Band (Accessory)
E
Measurement standard
position of grille
F
Up/down vanes
Fig. 5-10
