9-2-1 FRESH AIR INTAKE AND BRANCH DUCT
1. Branch duct hole and fresh air intake hole (Fig. 1)
At the time of i nstallation, use the duct holes ( cut out) located at the positions shown in Fig.1, as and when required.
• A fresh air intake hole for the optional multi function casement can also be made.
The figure marked with * in the drawing represent the dimensions of the main unit excluding those of the optional
multi function casement.
When installing the optional multi function casement, add 135 mm to the dimensions marked on the figure.
When installing the branch ducts, be sure to insulate adequately.
Otherwise condensation and dripping may occur.
Fresh air intake hole
Branch duct hole
[175 burring hole pitch
Fresh air intake hole diagram
3-[2.8 burring hole
14-[2.8 burring hole
[150 cut out hole
[125 burring hole pitch
[100 cut out hole