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3. HOW TO INSTALL THE INDOOR UNIT
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.
B: 860 ~ 910 mm
(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.
Drain outlet (other side)
(VP25)
Suspension lug
* Over 20 mm
* The overlapping portion between the ceiling and panel for cassette should be kept over 20 mm.
Indoor Unit
View from top
A: 780 mm
A: (suspension bolt pitch)
B: (ceiling opening dimension)
Refrigerant tubing joint (gas side)
Refrigerant tubing joint (liquid side)
840 mm
340 mm
950 mm
272 mm
* Over 20 mm
29
Hole-in-anchor
Concrete
Hole-in-plug
Suspension bolt
(M10 or 3/8")
(field supply)
50 mm
Insert
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