97
SMMS 2-way Air Discharge Cassette Type
Installation Manual
12
I
nstallation of indoor unit
• Attach a nut (M10 or W3/8: procured locally) and the Ø34 washer (supplied) to each hanging bolt.
• Insert a washer on both sides of the T groove of the hanging bracket of the indoor unit, and hang the indoor unit.
• Check that the four sides of the indoor unit are level using a level vial.
• Detach the installation gauge (accessory) from the installation pattern.
• Use the installation gauge to check and adjust the relative positions of the indoor unit and the ceiling opening as
well as the suspension height.
(Orientation of the installation gauge is printed on the gauge.)
(1) Check that the bottom panel of the indoor unit is positioned 77 to 82 mm higher than the bottom surface of the
ceiling panel. (All four corners)
(2) Check that the clearance between the outlet side (shorter side) of the indoor unit and ceiling panel is 25 mm.
(3) Check that the clearance between the outlet side (longer side) of the indoor unit and ceiling panel is 74 mm.
Hanging bolt
(M10 or W3/8)
Nut
(M10 or W3/8)
Procure hanging bolts and nuts locally.
Washer (M10 × Ø34, accessory)
To prevent the bolt from falling off (for safety), be
sure to set it just under the hanging bracket as
shown in the figure.
Nut (M10 or W3/8)
Washer (M10 × Ø34, accessory)
Level vial
CAUTION
Before installing a model AP007 to AP015 indoor unit, be absolutely sure to remove the tape used for transportation
between the fan and bell mouth. Running the unit without removing the tape may damage the fan motor.
Indoor unit
Ceiling board
Installation gauge
EN-23
EN-24
