![](http://pdfasset.owneriq.net/d/81/d81920f3-1e1b-06f4-1dcc-3eca8867ba4e/d81920f3-1e1b-06f4-1dcc-3eca8867ba4e-bg21.png)
Installing Options
22
2
D Remove the screws as shown by turning them counterclockwise using the
provided screwdriver.
E Hold the part (1) of the controller board, and then slide it out completely.
F Place the controller board on a flat surface.
AQV500S
AQV501S
AQV516S