![](http://pdfasset.owneriq.net/d/81/d81920f3-1e1b-06f4-1dcc-3eca8867ba4e/d81920f3-1e1b-06f4-1dcc-3eca8867ba4e-bg27.png)
Installing Options
28
2
C Remove the screws as shown by turning them counterclockwise using the
provided screwdriver.
D Hold the part (1) of the controller board, and then slide it out completely.
E Place the controller board on a flat surface.
AQV500S
AQV501S
AQV516S