Replacement of the heat exchanger
13
7.
Install the new heat exchanger box.
When installing the heat exchanger box, ensure correct locking with the fan boxes by
means of the tongue-and-groove joint!
8.
Mount all parts in reverse order.
9.
Connect the cable for potential equalisation to the flat plug of the casing cover.
10.
Close the casing cover by turning the 4 captive screws of the quarter turn locks by 90°.
11.
Re-establish the mains connection.
