Specifications

Installation & Maintenance Manual__________

11. Maintenance

Note: Do not use this appliance if any part has been under water. Immediately call a qualified service

technician to inspect the appliance and to replace any part of the control system and any gas control

which has been under water.

Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause

improper and dangerous operations.

Power must be disconnected before servicing.

Verify proper operation after servicing.

BEFORE ATTEMPTING ANY MAINTENANCE OPERATION:

• Manually drain the unit using the manual drain switch

• Disconnect the unit from the power source

• Shut the manual gas and water intake valves

11.1 Maintaining the Steam Generator

Remove the side panel and door A as shown in Figure A:

• detach the steam distributor pipe T connected to the steam generator;

• remove the screws V and V1;

• detach the panel C

To extract the heat exchanger do the following:

• disconnect the electrode cables to the burner;

• detach the fan manifold by removing the screws and extracting the combustion head of the burner (see

Fig. B);

• disconnect the cables of the electrodes F (antifoaming electrodes) (see Fig. B);

Fig. A