HP POD 20c Maintenance And Service Manual page 57

Use a flathead screwdriver to press the release button (1), and then pull the front panel from the
b.
bottom to detach the panel (2). The two parts remain connected by a flat cable.
Squeeze the two terminal cover fins to remove the cables from the terminal block.
4.
Remove the screws securing the mounting base to the wall.
5.
Replacing the humidistat
Detach the front panel of the replacement humidistat from the mounting base.
1.
Remove the screw securing the tab in the opening (1), and then slide the tab to the open position (2).
a.
Removal and replacement procedures 57