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Indoor Unit
Installation
Table 4.1: Distance from ceiling relative to height of indoor unit
MODEL Length of A (mm/inch) Length of H (mm/inch)
18 205/8 > 235/9.3
24 205/8 > 235/9.3
30 205/8 > 235/9.3
30-48 245/9.6 > 275/10.8
48-60 287/11.3 > 317/12.5
Indoor Unit Installation Instructions
NOTE: Panel installation should be done after
piping and wiring.
Step 1: Select installation location
The indoor unit should be installed in a location
that meets the following requirements:
The unit is at least 1m (39”) from the nearest
wall.
There is enough room for installation and
maintenance.
There is enough room for the connecting
pipe and drainpipe.
The ceiling is horizontal and its structure
can sustain the weight of the indoor unit.
The air inlet and outlet are not impeded.
The airflow can fill the entire room.
There is no direct radiation from heaters.
CAUTION
DO NOT install the unit in the following
locations:
In areas with oil drilling or fracking
In coastal areas with high salt content in the air
In areas with caustic gases in the air, such
as near hot springs
In areas with power fluctuations, such as
factories
In enclosed spaces, such as cabinets
In kitchens that use natural gas
In areas with strong electromagnetic waves
In areas that store flammable materials or
gas
In rooms with high humidity, such as
bathrooms or laundry rooms
RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT AND THE CEILING
The distance between the mounted indoor unit and the internal ceiling should meet the following
specifications. (See Fig. 4.2)
Connecting point
of drain pipe
Connecting point of
refrigerant pipe
(liquid side)
Connecting point of
refrigerant pipe
(gas side)
Front panel
Ground
Ceiling board
>2.5m / 8.2’
88cm / 34.5” (Ceiling hole)
Ceiling
Fig. 4.2
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