Electrical Connections - IDEAL IMAX XTRA E320 Installation And Servicing

53 REMOVAL OF FAN / VENTURI INSPECTION
1. Refer to Frame 49.
2. Remove the jacket front, inner front, jacket right, jacket
top and controls fascia panels. (Refer to Frame 52).
3. Disconnect the electrical connections from the fan.
4. Remove 4 bolts securing inlet air pipe/silencer to the
venturi taking care to retain O ring seal.
5. Whilst providing temporary support for the gas valve
remove the 4 screws securing the gas valve to the
venturi
6. Remove sensing pipe from venturi.
7. Whilst providing temporary support for the fan/
venturi remove the 4 fasteners securing the fan outlet
connection. Lift the fan/venturi assembly clear of the
boiler taking care to retain the fan outlet gasket.
8. Remove the 4 screws securing the venturi to the fan
inlet, taking care to retain the O ring.
9. Re-assemble in reverse order replacing any seals/
gaskets which show signs of wear.
REPEAT PROCEDURE FOR SLAVE MODULE.
10. Refer to Frame 49 for final safety checks.
54 REMOVAL OF BURNER MANIFOLD
1. Refer to Frame 49.
2. Refer to Frame 53 for removal of fan/venturi
assembly.
3. Disconnect the ignition and earth lead from the
electrodes.
4. Whilst providing temporary support for the burner
manifold remove the 4 retaining nuts.
5. Withdraw the burner manifold from the boiler taking
care not to damage the electrodes.
6. Re-assemble in reverse order, replacing any seals/
gaskets which show signs of wear. The nyloc nuts
should be renewed. Ensure the short earth lead is
secured under the top LH nut.
REPEAT PROCEDURE FOR SLAVE MODULE.
7. Refer to Frame 49 for final safety checks.
42
SERVICING
3
3 6
IMAX XTRA -
Installation & Servicing
4