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17.1.1.3 To Remove Discharge Grille
Figure 6
Figure 7
17.1.1.4 To Remove Control Board
Figure 8
11. Remove the screw and
pull out the HVU unit.
12. Remove the network
adapter box by releasing
the hook.
HVU unit
Network adapter
13. Pull out and remove the drain hose
from the discharge grille.
14. Then pull the discharge grille
downward gently to dismantle it.
15. Remove the 4 screws holding
the control board, then pull out
the control board.