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3. Preparation before Installation
(1) Location relation between inspection hole on the ceiling and
the unit and the hoisting studs (unit: in).
Size
A
Model
(in)
AD009-018MV2AA
31
AD024-030MV2AA 38 7/8
AD036-048MV2AA 55 1/4
(2) If necessary, make a hole for installation and inspection on the ceiling. (used for the situation with a ceiling)
• For the size of the inspection hole on the ceiling, please refer to the above drawing.
• Before installation, finish all the preparations for all piping connected to indoor units (refrigerant, water drainage)
and wiring (connection line of the line control, connection line between indoor units and outdoor unit) so that they
can be connected with indoor units right after installation.
• For the inspection hole, the ceiling might be reinforced to keep the evenness of the ceiling and avoid the vibration
of the ceiling. For details, please consult the construction contractor.
(3) Install the hoisting studs (3/8''bolts)
In order to support the weight of the unit, use barb
bolts in the situation with a ceiling. In the situation with
the new ceiling, use inlaid bolts, embedded bolts or
other parts provided on site. Before proceeding the
installation, adjust the gap between the bolt and the
ceiling.
(4) Installation of Indoor Units
• Fix the indoor unit with the hoisting stud.
If necessary, the machine can be hanged
on the beam with bolts instead of the
hoisting stud.
NB:
When the sizes of the main unit don't match the hole on the ceiling, regulate the slot on the hanging bracket.
Adjusting the level
Adjust the level with a level meter or according to the
following ways:
Adjusting the level
• Make the adjustment as shown in the figure.
C
E
H
(in)
(in)
(in)
18 5/8
29 1/2
27 3/8
18 5/8
29 1/2
27 3/8
20 7/8
53 7/8
31 3/8
21
H
C
Top
Notch grapping
notch plug
Hoisting stud 3/8''
3/8''nut
Main unit
Level meter
Plug
Concrete
Hoisting stud
3/8'' shim
3/8''spring washer
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