11
Fig. 7-3
Fig. 7-4
7.2. Preparing to attach the grille (Fig. 7-2)
• With the gauge supplied with this kit, adjust and check the positioning of the unit
relative to the ceiling. If the unit is not properly positioned in the ceiling, there may
be air leaks, condensation may form, or the up/down vanes may not operate cor-
rectly.
• Make sure that the opening in the ceiling is within the following tolerances:
576
×
576 to 620
×
620 mm, 22-11/16
×
22-11/16 inch to 24-13/32
×
24-13/32
inch.
• Make sure that step A is performed within 27 to 32 mm, 1-1/16 to 1-1/4 inch. Dam-
age could result by failing to adhere to this range.
A
Main unit
B
Ceiling
C
Gauge (Accessory)
D
Ceiling opening dimensions
7.2.1. Removing the intake grille (Fig. 7-3)
• Slide the levers in the direction indicated by the arrow
1
to open the intake grille.
• Unlatch the hook that secures the grille.
* Do not unlatch the hook for the intake grille.
• With the intake grille in the “open” position, remove the hinge of the intake grille
from the grille as indicated by the arrow
2
.
7.2.2. Removing the corner panel (Fig. 7-4)
• Remove the screw from the corner of the corner panel. Slide the corner panel as
indicated by the arrow
1
to remove the corner panel.
A
Intake grille
B
Grille
C
Intake grille levers
D
Grille hook
Fig. 7-2
7. Installing the grille
7.3. Installing the grille
• Please pay attention because there is a restriction in the attachment position of the
grille.
7.3.1. Preparations (Fig. 7-5)
• Install the two enclosed screws with washer in the main unit (at the corner refrigerant
pipe area and at the opposite corner) as shown in the diagram.
A
Main unit
B
Detailed diagram of installed screw with washer (accessory).
(inch)
Fig. 7-5
7.3.2. Temporary installation of the grille (Fig. 7-6)
• 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
7.3.3. Securing the grille (Fig. 7-7)
• 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.
Fig. 7-6
Fig. 7-7
E
Hole for the grille’s hook
F
Corner panel
G
Screw
19/32
to
25/32
(inch)
