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CASSETTE INDOOR UNIT INSTALLATION
59 in
(1500 mm)
in/mm
Fig. 30 – Schematic diagram of installation spaces
Select install location of the indoor unit
1 Obstructions should be removed from the indoor unit's intake
or outlet vents so the air can flow throughout the room.
2 Ensure the installation is in accordance with the requirements
of the required clearances on the schematic diagram.
3 Select a location that can withstand 4 times the weight of
the indoor unit and would not increase the operating noise.
4 Ensure the unit is level.
5 Select a location where condensated coagulated water can
drain easily from the outdoor unit.
6 Ensure there is enough space for care and maintenance.
Ensure the weight between the indoor unit and ground is
above 70 6/7 in. (1800 mm).
7 When installing the threaded bolt, check if the install place
can withstand a weight 4 times of the unit's. If not, reinforce
before installation. Refer to the install cardboard and find
where the location should be reinforced.
NOTE: An abundance of dust will stick to the fan, heat exchanger
and condensate pump in the dining room and kitchen, which
would reduce the capacity of the heat exchanger, lead to water
leakage and abnormal operation of the condensate pump. The
following steps should be applied in this case:
(1.) Ensure the smoke trap, above the cooker, has enough
capacity to remove dust so it will not enter the air conditioner.
(2.) Keep the air conditioner far from the kitchen so dust does not
enter the air conditioner.
IMPORTANT: To guarantee good performance, the unit must
be installed by professional personnel in compliance with this
manual.
25 3/5 in (650 mm)
22 4/9 in (570 mm)
15 3/4 in (400 mm)
Install dimension of mode
Fig. 31 – Dimension of ceiling opening and location of the
hoisting screw (M10)
IMPORTANT: The drilling of holes in the ceiling must be done
by professional personnel.
59 in
(1500 mm)
12
10 1/4 in
18
(260 mm)
24
26 7/9 i n (680 mm)
33 in(8 40 mm)
35 in(8 90 mm)
37 2/5 in (950 mm)
Installation stands for main body of the unit
Ceiling
Fig. 32 – Drilling holes
NOTE: The dimension for the ceiling openings with * marks can
be as large as 35 5/6 in. (910 mm). But the overlapping sections of
the ceiling and the decorated surface boards should be maintained
at no less than 4/6 in. (20 mm).
Hoisting the main body of the air conditioner
The primary step for installing the indoor unit.
S
When attaching the hoisting stand on the hoisting screw,
use nut and gasket individually at the upper and lower
section of the hoisting stand to secure it. The use of a
gasket anchor board can prevent gasket break off.
Use the install cardboard.
S
Refer to the install cardboard regarding the ceiling
opening dimension.
S
The central mark of the ceiling opening is marked on the
install cardboard.
1 Install the install cardboard on the unit by bolt (3 pieces)
and secure the drainage pipe angle at the outlet vent by the
bolt.
2 Adjust the unit to the suitable install place (see Fig. 32).
3 Check if the unit is horizontal.
4 The inner drainage pump and bobber switch are included in
the indoor unit, check if the 4 angle of every unit are
horizontal by the water lever. If the unit is slanted toward
the opposite of the coagulate water flow, there may be a
malfunction of the bobber switch and lead water drop.
5 Back out the gasket anchor board used to prevent gasket
break off and tighten the nut on it.
6 Back out the install cardboard.
Nut supplied at scene
Fig. 33 – Hoisting the main body
NOTE: Tighten the nuts and bolts to prevent the air conditioner
from breaking off.
28
Above 4/6 in (20 mm)
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