Airwell AW-DDV009-N11 Manual De Usuario E Instalacion página 11

Installation Procedures
Installation modes of Indoor unit
This series of air conditioners can be arranged in two air return modes: 1. backward air return
(factory default); 2. downward air return (can be adjusted on site. See the following figures.)
Note: the downward air return mode would cause much more noise. It is recommonded to install
the air conditioner in downward return air mode 2 if enough space is available.
Installation space and method
Body installation
1.Use M10 lifting bolts.
2.Ceiling removal: For different building structures, please consult with indoor decoration
personnel about actual conditions.
a.Ceiling reinforcement: To ensure the ceiling is horizontal and will not shake, the ceiling base
frame must be reinforced.
b.Cut off and remove the ceiling base frame.
c.Reinforce the end faces left when the ceiling is removed and further reinforce the base frame
that fix both ends of the ceiling.
d.After the body installation is complete, it is time to install pipes and wires. Before installation,
choose a suitable installation position and determine the outgoing direction of pipes. Especially
in case that a ceiling exists, please pull refrigerant tubing, drain hose, indoor and outdoor
connecting wires, control wires to their connection positions prior to hanging the machine.
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Air in