155
18.2.1.4 To Remove Discharge Grille
11. Remove the screw and
pull out the HVU unit.
HVU unit
Figure 5
13. Then pull the discharge grille
downward gently to dismantle it.
12. Pull out and remove the drain hose
from the discharge grille.
Figure 6
18.2.1.5 To Remove Control Board
14. Remove the 4 screws holding
the control board, then pull out
the control board.
Figure 7