(3) Installation of ceiling panel
The angle change of the flap is possible while the power supply is turned on. (Do not move forcibly the flap with hands. It may break the flap.)
1.For tentative hanging, insert the tentative hanging metal (stainless) inside of the ceiling panel into the square hole of the indoor unit. (Fig. 2)
Square hole of indoor unit
Push to remove
(5) Installation of adjust corner cap/suction grille
Install the adjust corner cap/suction grille in the reverse procedure of installation to the indoor unit.
• For this ceiling panel, as shown in the following figure, the |
direction of the suction grille can be changed on customer’s |
Pin
•The ceiling panel has directional ability against the indoor unit. Direct the mark of refrigerant pipe at the ceiling panel corner toward the pipe side.
•Holding the ceiling panel, remove it while pushing the tentative hanging metal toward the outside.
2.Match the mounting hole of the panel with the screw hole of the indoor unit.
3.Using the attached screws with washer, tighten 4 positions at corners of the suction port until the panel is fitted closely to the main unit. (Fig. 3)
4. Check the panel is fitted closely to the ceiling.
• In this time, check there is no clearance between the indoor unit
and the ceiling panel, and between the ceiling panel and the | Ceiling panel | |
ceiling surface. (Fig. 4) |
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Indoor unit | No clearance |
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Tentative hanging metal
(Fig. 2)
Corner of drain pipe
Square hole of indoor unit
Draining 
mark
demand when multiple indoor units are installed. |
A.Installation of adjust corner cap
1.Hook the strap of the adjust corner cap surely to the pin on the ceiling panel.
2.Install the adjust corner cap to the ceiling panel, and fix it with the mounting screws. (accessory part)
B.Installation of suction grille
• To install the suction grille, follow to the reverse procedure of the |
removal. This ceiling panel can be installed from anyone of 4 |
directions by turning the suction grille. Change the direction on |
the customer’s demand or according to the direction matching of |
the suction grille when multiple units are installed. |
• When installing the suction grille, be sure not to pinch the |
Install the adjust corner cap horizontally to the ceiling surface so that 3 hooks of the adjust corner cap are set in holes of the ceiling panel. And then fix it with the mounting screws (accessory part).
Hook hole of ceiling panel
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| Screw | Mark of | |
(Fig. 4) | Ceiling surface | Ceiling panel | (Fig. 3) with washer | ||
refrigerant pipe |
Tentative hanging metal
CAUTIONS
flap motor wiring connector. |
• Be sure to attach a strap to prevent falling of the suction grille to |
the ceiling panel. |
(Fig. 8)
Hook of
– 167 –
• Tighten the screws securely because | • When there is a clearance between the |
a trouble is caused as shown in the | ceiling surface and the ceiling panel |
following figure if the screws are | even if the screws have been tightened, |
incompletely tightened. | readjust height of the indoor unit. |
Air leak |
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The height of the indoor unit can be adjusted from corner hole on the ceiling panel as the ceiling panel is installed if the adjustment does not affect the levelness of the indoor unit, drain pipe, etc.
3. Others
Air leak |
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from ceiling |
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Generation | Dewing/water | Adjust so that there is |
of dust | leak | no clearance. |
(Fig. 5)
(Fig. 6)
After adjustment, be sure to tighten the mounting nut of the indoor unit securely.
Positions of suction grille hooks at shipment from the factory |
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* Although the suction grille can be installed from any | Drain pipe side | ||||
position of 4 corners, these positions are recommended. | of indoor unit | ||||
It is unnecessary to remove the suction grille in | |||||
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(maintenance for the electric parts box of the indoor unit. ) |
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A. Check after installation |
| Electric parts box |
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• Check again there is no clearance between the |
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of indoor unit |
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Refrigerant pipe side of indoor unit
Wireless remote controller kit (sold separately)
(Fig. 9)
| (4) Cabling of ceiling panel |
1. | Open cover of the electric parts box. |
2. | Connect the flap motor wiring connector out |
| of the ceiling panel to the connector 5P |
Wiring explanation diagram
(For explanation, direction of the indoor unit is changed.)
Electric parts box cover
indoor unit and the ceiling panel, and between the ceiling panel and the ceiling surface.
*A clearance causes water leak or dewing.
•Check the cables are connected surely.
*Incomplete connection causes a trouble such as the flap does not work.
(CN33: white) on P.C. board of the indoor unit. |
Screws
Flap motor wiring connector
• Connect the connector surely because |
the flap does not work if the connector |
is not connected. |
3. Mount cover of the electric parts box in the |
reverse procedure of opening of the cover. |
• Check whether the wiring connector is |
pinched between the electric parts box |
and the cover or not. |
• Check whether the wiring connector is |
pinched between the indoor unit and the |
ceiling panel or not. |
(3 positions)
CN33
Clamper
As shown in the figure, pass the clamping material through inside of the slit. After connection, store the connector section in the electric parts box.
(Fig. 7)
B. For wireless remote controller
Direction-free in 360˚
• For details of installation, refer to the Installation Manual attached to the wireless remote controller kit (sold separately).
After confirmation of the above items, hand a set of this manual, manuals for the indoor unit, manual for products sold separately, etc. to the customer. For cleaning of the filter, be sure to ask the maintenance professional.
