Medium ESP Duct Type
Indoor Unit (AD*MJERA)
305
(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, nish 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 (M10 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.
3. Preparation before Installation
(1) Location relation between inspection hole on the ceiling and the unit
and the hoisting studs (unit: mm).
Adjust the level with a level meter or according to the
following ways:
Adjusting the level
• Make the adjustment as shown in the gure.
Size
Model
A
(mm)
C
(mm)
E
(mm)
AD052-162MJERA 705 595 662
AD182-282MJERA 983 595 947
Adjusting the level
Notch grapping
notch plug
Plug
Concrete
Hoisting stud M10
M10 nut
Hoisting stud
M10 shim
M10 spring washer
Main unit
Right
Top
720
C
Level meter
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