Ferroli ATLAS D Instrucciones De Uso página 65

ATLAS D
B
The antifreeze system does not work when the power and/or gas to the unit are turned off. To avoid damage
caused by freezing during long idle periods in winter, it is advisable to drain all water from the boiler, DHW
circuit and system; or drain just the DHW circuit and add a suitable antifreeze to the heating system, complying
with that prescribed in sec. 2.3.
Boiler lighting
• Open the fuel on-off valves.
• Switch on the power to the unit.
• For the following 120 seconds the display will show FH which identifies the heating system air venting cycle.
• During the first 5 seconds the display will also show the card software release.
• When the message FH disappears, the boiler is ready to operate automatically whenever domestic hot water is
drawn or in case of a room thermostat demand.
Turning the boiler off
Press the button
When the boiler is turned off, the electronic board is still powered.
Domestic hot water and heating operation are disabled. The antifreeze system remains activated.
To relight the boiler, press the button
The boiler will be immediately ready to operate whenever domestic hot water is drawn or in case of a room thermostat
demand.
EN
fig. 5 - Boiler lighting
(detail 9 - fig. 1) for 1 second.
fig. 6 - Turning the boiler off
(detail 9 fig. 1) again for 1 second.
cod. 3540G651 - 05/2008 (Rev. 00)
eco
bar
fig. 7
65