TCL TCA-18HRA/DVO, Technical Manual, Page: 17 / 113

DC Inverter Air
1.9 Installation Requirements of Indoor Unit
1) CEILING HOLE AND THE HOOK
INSTALLATION
Preparation Work on the Ceiling
Installation methods should be changed under the different construction structure. Please consult the
professional for the detailed information. After opening a hole, the ceiling should be horizontal and strong to
prevent vibration. Cut the beams at the hole and remove them . Reinforcing the beams that have been cut and
the beams fixing the ceiling .Installation of the hanging screw bolt. Bolt with M10 whorl is to be used. The
center distance between the bolts is decided by the size of the unit. Use the following method to install:
Wooden construction
Put the square timber over the roof beam, then install the hanging screw bolts.
For finished concrete bricks
Install the hanging hook with expansible bolt into the concrete deep to 45~50mm to prevent loose.
New Concrete Brick s
Inlaying or embedding the screw bolts.
Steel roof beam structure
Install the supporting angle steel.
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