Manu_ENG_UFO_ rev. 0_04_2012
pag. 17
Put in operation and first start-up for models with
ELECTRONIC START-UP (appliance UFO EB /08)
For appliances equipped with electronic system of start-up and flame control, start-up
sequence includes the following phases:
giving tension to the appliances, ignition electrode begins sparkling, and the gas valve
opens
the sparkling electrode ends after 30 seconds
in the case has not been detected the presence of flame, control flame goes into block
after 30 seconds; for re-start it is necessary to remove tension for a period of not less
than 20 seconds: after that period of time, the start-up sequence can be repeated; if
the heater continues going into block, refer to the section 'Maintenance' of this manual
switch-off of the appliance is done by taking out power supply to control unit
IMPORTANT: in case of failure at time of first start-up, pressure settings have to be
checked, acting on pressure intakes
Only in case of maintenance, following instruction of qualified SIABS personnel, pressure
settings can be modified using the following procedure:
unscrew the 4 fixing screws of gas group cover (Picture 1), with a 8mm socket spanner
Picture
1
Picture
2
remove the seal on the cap of pressure regulator
unscrew the screw of intake pressure (Picture 2), upstream at the nozzle and connect a
suitable gauge, to check correct pressure during setting
