13
GB
5.3. Installing the grille
• Please pay attention because there is a restriction in the attachment position of the
grille.
5.3.1. Temporarily installing the grille
Align the screw holes in the corners of the grille with the screw mounting holes in the
corners of the main unit, latch the two hooks on the grille onto the drain pan projec-
tions on the main unit, and temporarily hang the grille. (Fig. 5-5, 5-6)
Caution:
When installing the i-See sensor and signal receiver, place the junction wires
in the connector box before temporarily hanging the grille.
Refer to 4.1.1. on page 7 to route the junction wires.
5. Installing the grille
Fig. 5-3
Fig. 5-4
5.2. Preparing to attach the grille (Fig. 5-2)
• 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 610 × 610 (mm), 22-11/16 × 22-11/16 to 24-1/32 × 24-1/32 (inch)
• Make sure that step A is performed within 37 to 42 mm (1-15/32 to 1-21/32 inch).
Damage could result by failing to adhere to this range.
A
Main unit
B
Ceiling
C
Gauge (Accessory)
D
Ceiling opening dimensions
5.2.1. Removing the intake grille (Fig. 5-3)
• 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
.
A
Intake grille
B
Grille
C
Intake grille levers
5.2.2. Removing the corner panel (Fig. 5-4)
• 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
Grille
B
Corner panel
C
Screw
Fig. 5-2
5.1. Check the grille accessories (Fig. 5-1)
• The grille should be supplied with the following accessories.
Accessory name
Q’ty
Remark
1
Grille
1
625 × 625 (mm), 24-19/32 × 24-
19/32 (inch)
2
Screw with washer
4
M5 × 0.8 × 28 (mm)
3
Gauge
1
4
Junction wire for signal receiver
1
Included when equipped with the
signal receiver.
5
Junction wire for i-See sensor
1
Included when equipped with the
i-See sensor.
6
Fastener
2
Included when equipped with the
signal receiver.
7
Fastener
2
Included when equipped with the
i-See sensor.
8
Wireless remote controller
1
Included when equipped with the
wireless remote controller.
9
Remote controller holder
1
Included when equipped with the
wireless remote controller.
0
LR6 AA batteries
2
Included when equipped with the
wireless remote controller.
1
3.5 × 16 mm tapping screws
2
Included when equipped with the
wireless remote controller.
Fig. 5-1
22-11/16 to 24-1/32
D
A=1-15/32
+3/16 0
E
1
1
2
A
C
B
D
A
1
B
C
Fig. 5-5
Fig. 5-6
<Grille hook>
<Grille is hung temporarily>
Main unit
hook
D
Grille hook
E
Hole for the grille’s hook
1
2
3
When equipped with the signal receiver
When equipped with the i-See sensor
4
6
5
7
When equipped with the wireless remote controller
8
9
0
1
(inch)
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