Replacing the Air Pressure Switches

Should the control panel become inoperative, or the menu card needs changed, follow these instructions:

To avoid electrical shock or property damage, move the power switch to OFF and disconnect power.

1. Remove electrical power supplied to the unit.

2. Remove the lower back shroud.

3. Remove the pressure switch mounting cover from the frame.

4. Remove the vacuum hose from switch.

5. Using a cross bit or screwdriver, remove the two screws securing switch to the cover.

   

6. Disconnect the wires on the switch.

7. Replace switch in reverse order.