Baxi Barcelona System Installation And Servicing Instructions page 33

13.0 Changing Components - Page 33
The control and ignition boards can be accessed on the
removal of the main electrical box cover.
1. Remove the two screws securing the main electrical box
cover (Fig. 59).
13.13 Control Board (Fig. 60)
1. Slide out the control board (right hand side) and
disconnect the electrical connections noting their positions.
2. Check if the two jumper connections have been removed
from the board - see section 8.7. If so, remove the jumpers
from the new control board.
3. Fit the new control board and reassemble in reverse
order.
13.14 Ignition Board (Fig. 61)
1. Remove the control board, (13.5) and slide out the
ignition board (left hand side) and disconnect the electrical
connections noting their positions.
2. Fit the new ignition board and reassemble in reverse
order.
13.15 Transformer (Fig. 62)
1. Remove the transformer connection from the control
board.
2. The transformer is mounted to the right of the electrical
box.
3. Remove the two transformer mounting screws and
remove the transformer.
4. Fit the new transformer and reassemble in reverse order.