6.3.4
Increase the flue draught
Warning: Do the procedure hereunder when you have made sure the
appliance has cooled down and there are no glowing embers.
A low flue draught is caused by too much flow resistance. This causes insufficient flow of
the flue gas in the chimney. Do the next steps to decrease the flow resistance
1. Loosen the nut above the heat shield with a 3 mm hexagonal key and a 10 mm fork
spanner. Unscrew the socket screw. Make sure the nut stays attached to the socket
screw.
2. Push up (1) the front of the heat shield and pull it forward (2) and move downward to
a vertical position (3).
3. Remove the upper baffle from the appliance.
Operation
Unilux-7 40
17
