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3. HOW TO INSTALL THE INDOOR UNIT
(3) Determine the pitch of the suspension bolts using the supplied full-scale installation diagram
(printed on container box).
The diagram show the relationship between the positions of the suspension fitting, unit, and
panel.
Use the nut (field supply) and washer (supplied) for upper and lower position of the
suspension lug.
184 mm
50 mm
Drain outlet (other side)
(VP25)
Suspension lug
* Over 20 mm * Over 20 mm
340 mm
950 mm
840 mm
272 mm
Refrigerant tubing joint (liquid side)
Refrigerant tubing joint (gas side)
134 mm
33.5 mm
177 mm
Type 22 ~ 90: 256 mm
Type 106 ~ 160: 319 mm
127 mm
* The overlapping portion between the ceiling and panel for cassette should be kept over 20 mm.
Note: For DC Fan Tap Change Procedure for 4-Way Cassette, see Section “7-3. Others”.
3-1. Preparation for Suspending
This unit uses a drain pump. Use a carpenter’s level to check that the unit is level.
3-2. Suspending the Indoor Unit
(1) Fix the suspension bolts securely in the ceiling
using the method shown in the diagrams, by
attaching them to the ceiling support structure, or
by any other method that ensures that the unit will
be securely and safely suspended.
(2) Follow the diagram to make the holes in the ceiling.
Indoor Unit
View from top
A: 700 mm
A: 780 mm
B: 860 ~ 910 mm
A: (suspension bolt pitch)
B: (ceiling opening dimension)
B: 860 ~ 910 mm
Hole-in-anchor
Hole-in-plug
Concrete
Insert
Suspension bolt
(M10 or 3/8”)
(field supply)
01_350115_EU_Eng.indb 29 2023/3/1 13:52:48
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