Baxi Barcelona Installation And Servicing Instructions page 30

13.0 Changing Components – page 30
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. 51).
13.5 Control Board (Fig. 52)
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 8.8), if so remove
the jumpers from the new control board.
2. Fit the new control board and reassemble in reverse
order.
13.6 Ignition Board (Fig. 53)
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.
13.7 Transformer (Fig. 54)
1. After the removal of the control and ignition boards the
transformer can be accessed. Loosen the two electrical
box mounting plate securing screws, remove the front
drip tray securing screw and lift the assembly to clear
the keyhole slots.
2. The transformer is mounted on the rear of the electrical
box mounting plate.
3. Remove the two transformer mounting screws and
remove the transformer.
4. Fit the new transformer and reassemble in reverse
order.
NOTE: Check the original board for the presence of input
jumpers - see section 8.8. Set the new board as the
original.