Powrmatic Heater LX30

Ensure the machine is powered off

Verify that you have the correct replacement lamp

Disconnect the electrical plug from the R2R board

Squeeze and pop out the indicator bezel from the front panel

Fit the replacement lamp into the bezel

Reassemble the bezel into the front panel

Ensure that the gas service valve is turned OFF

Unscrew the union nut situated immediately downstream of the gas service valve

Disconnect the spark and rectification leads from the control box

Remove the electrical plug connections from the top of the gas control valve assembly

Remove the burner heat shield screws

Release the inlet connection flange screws

Remove the four screws securing the flue outlet socket.

Disconnect the fan electrical connections from the main terminal strip.

Remove the screws securing the fan mounting box to the exhaust header plate.

Clean impeller by brushing with a stiff brush.

Re-assemble using a new sealing gasket to the fan mounting box.

Use silicon sealant around the joints.

Disconnect the electrode leads from the control box

Remove the screw securing the electrode assembly to the burner assembly side plate

Withdraw the electrode assembly

Fit replacement electrode assembly

Ensure the rectification electrode is 10 - 12mm forward of the burner

Unplug all the electrical connections

Remove the two screws that secure the control box

Fit replacement in reverse order

Verify the following connections are secure

Is the control box functioning correctly after replacement?