Omega OTEC IECS-D Series, Technical Manual

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a. Before you mount the ceiling, make sure it is level.
b. Operate according to the above description (step 1 in "Existing ceiling").
3. Operate according to the above description (step 3 in "Existing ceiling").
4. Remove the installation board.
◼
To match the existing structure, set the screw pitch according to the product dimensions shown below.
1. Wooden Structure
Place the square bar by crossing the beams and set the lifting bolts
.
2. Original concrete slab Structure
Use embedded bolts, embedded pull bolts, and embedded plug columns
3. Steel framework
Directly set and use an angle steel for support.
4. Newly set concrete slab Structure
Set using embedded appliances and embedded type of bolts.
2 .3 Panel Installation

Remove the air inlet grille.
Press the two grille locks at the same time to lift it
up.
Raise the air inlet grille to about 45°, and remove the grille.
Grille switch