Sinclair ASC-18A - Page 71

DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION
The drilling of holes in the ceiling must be done by the professional personnel.
Figure 1-3-3
Cautions:
The dimension for the ceiling openings with * marks can be as large as 910mm. But the overlapping
sections of the ceiling and the decorated surface boards should be maintained at no less than 20mm.