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ECONCEPT SOLAR ST
1.3 Lighting and turning off
Boiler not electrically powered
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 the 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
Switch on the power to the unit.
•
For the following 180 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 version.
•
Open the gas cock ahead of the boiler.
•
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
EN
fig. 4 - Boiler not powered
fig. 5 - Boiler ignition
(detail 9 - fig. 1) for 1 second.
fig. 6 - Turning the boiler off
cod. -- - 11/2010 (Rev. 00)
7
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