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Metallic air diffuser
3.
Indoor Unit Installation
Make sure that only specified components are used for the installation
works.
Note
1.
Install the air conditioner in a location with sufficient strength
to support the weight of the unit.
The unit may drop and cause personal injury if the location is
not strong enough.
2.
Carry out the specified installation works to prevent strong
winds or earthquakes.
3.
Improper installation may cause the unit to drop leading to
accidents.
3.2 Installation with Lifting Bolts
Refer to the following table on installation using the lifting bolts (Table 3.1).
Wooden structure
Secure the square rod on the beam to set the lifting bolts.
Square bar material
Steel framework
Directly set and use an angled steel rod for support.
Suspension bolt
Caution
•
All bolts should be made from high quality carbon steel (with galvanized surface or other rust prevention treatment) or stainless steel.
•
How the ceiling should be handled will differ with the type of building. For specific measures, please consult the building and renovation
engineers.
•
How the lifting bolt is secured depends on the specific situation, and it must be secure and reliable.
You need to add sponges
to the air outlet flange
for insulation.
Figure 2.5
Beam
Ceiling
Lifting bolt
Suspension bolt
Angled rod for
support
3.1 Lifting of the Indoor Unit
1. Install with Φ10 lifting bolt
1) Use the Φ10 lifting bolt.
2) Ceiling removal: As each building structure is different,
discuss with the interior decoration workers of the building
about the specific details.
a. Ceiling treatment: Reinforce the ceiling pedestal to make
sure that the ceiling is level and to prevent ceiling
vibrations.
b. Cut off and dismantle the ceiling pedestal according to
the unit installation dimensions.
c. Reinforce the remaining surface after the ceiling is
removed. Add further reinforcements to the pedestal on
two ends of the ceiling.
d. Once the main unit has been lifted and mounted, carry
out the piping and wiring works within the ceiling.
Determine the outlet direction of the piping after the
installation site has been finalized.
For a site where the ceiling is already available, first connect and put
in position the refrigerant piping, water discharge piping, connecting
wires of the indoor unit, and communication wiring before you lift and
mount the unit.
2. Install the indoor unit
1) Lift the indoor unit to the lifting bolt.
2) Install and make sure that the indoor unit is level using tools
like a spirit level. Water leakage is possible if the installation
is not level.
Original concrete slab structure
Use embedded bolts, and pull bolts.
Newly set concrete slab structure
Use embedded appliances, and embedded bolts.
Sliding-type
Knife-type
insertion piece
insertion piece
26
Table 3.1
Reinforced
bar
Embedded bolt
(hanging and embedded
bolt for piping)
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