950
835 (hanging bolt pitch)
Gas piping
Liquid piping
Drain connection outlet (VP20)
Fig. 5
Locations of upward gas piping and drain connection
105
141
179
Locations of backward gas piping and drain connection
105
132
140
Locations of rightward gas piping and drain connection
14
198
5
(unit [mm])
(unit [mm])
Fig. 6
(2) Make holes for hanging bolts, piping outlet, drain pip-
ing outlet and electric wiring inlet.
• Use the installation pattern paper (11) which shows the
above hole locations.
• Determine the locations of hanging bolts, piping outlet,
drain piping outlet and electric wiring inlet. And make the
hole.
Ceiling surface
Fig. 7
NOTE
The above shown parts are all field supply. (Refer to Fig. 7)
• Use M8 or M10 bolts for hanging the indoor unit.
Use hole-in-anchors for the existing bolts and embedded
inserts or foundation bolts for new bolts, and fix the unit
firmly to the building so that it may withstand the mass of
the unit.
In addition, adjust the distance from the ceiling in
advance.
(3) Remove the parts of the indoor unit.
Remove the suction grille. (Refer to Fig. 8)
• Slide the two suction grille fixing knobs toward inner
direction (as shown by an arrow) lifting upward. At the
same time, have another person lift the tape stuck to the
center of air outlet.
• When the suction grille is opened to approximately 45°,
the grille can be removed from the unit.
Remove the 4 corner covers.
Ceiling slab
Foundation bolt
Long nut or turn-buckle
Hanging bolt
Tape
Tape
Suction grille
Corner cover at 4 places.
Fig. 8
English