Min. 30
60
284
377
45° ± 2°
4
A Suspension bolt
B Ceiling
C Nut
D Washer (with insulation)
E Mounting plate
F Washer (without insulation)
G Check using the Installation gauge
A Main unit
B Ceiling
C Gauge
D Ceiling opening dimensions
A Main unit
B Ceiling
C Installation template (top of the
package)
D Screw with washer (Accessory)
(mm)
Models
A
B
20, 25, 32, 40, 50
74
77
Suspend the main unit as shown in the diagram.
Figures given in parentheses represent the dimensions in case of installing optional
multi function casement.
1. In advance, set the parts onto the suspension bolts in the order of the washers
(with insulation), washers (without insulation) and nuts (double).
insulation) and nuts (double) are to be set later.
2. Lift the unit to the proper height of the suspension bolts to insert the mounting
plate between washers and then fasten it securely.
3. When the main unit can not be aligned against the mounting hole on the ceiling,
adhere to this range. (Fig. 2-6)
Caution:
getting inside the unit prior to installation of the decorative cover or when ap-
condensation may form and drip due to air leakage, etc.
with water.
securely to fasten the main unit.
to prevent dust from entering the main unit when the grilles are left unattached for
a while or when the ceiling materials are to be lined after installation of the unit is
indoor unit
excluding those of the optional multi function casement. (Fig. 3-1)
A Drain pipe
B Ceiling
C Grille
D Refrigerant pipe (liquid)
E Refrigerant pipe (gas)
F Water supply inlet
G Main unit
*
When the optional multi-functional casement is installed, add 135 mm to the
with commercially available insulation materials (heat-resistant to 100 °C or more,
thickness of 12 mm or more).
carefully.
A Flare cutting dimensions
Copper pipe O.D.
(mm)
øA dimensions (mm)
ø6.35
ø9.52
ø12.7
ø19.05
Warning:
Flare dimensions
16.2 - 16.6
19.3 - 19.7
22.9 - 23.3
-