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ALUTHERM
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Boilers 2
ALUTERM B 350 - 600
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Installation, User and Service Manual
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instructions for user
Heating
Alutherm B 350 - 600
INSTRUCTIONS FOR USER
If you have questions concerning the use of your boiler or heating system, please ask your installer. It is in your own interest and that of the installer
that you are aware of how to operate your boiler and heating system safely and efficiently.
The appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge.
Children, even if being supervised, must not play with the appliance
In the case of failure or malfunction of the appliance, do not attempt to repair it yourself. Please contact your installer. Repairs must only be carried
out by qualified technicians. Failure to comply with these requirements can compromise the safety of the appliance.
Operation
Water, coming from the radiators or from the DHW unit is heated in the aluminium heat exchanger. The CH or DHW pump guarantees circulation of
water. The air needed for combustion is sucked in by a rpm controlled fan. At low boiler temperatures the flue gases can be cooled sufficiently for
condensation of the water. This water is drained to the sewer via a built in syphon. This drainage must never be blocked. A burner controller with
built in micro processor provides the electrical control of the boiler.
Topping up
The built in manometer indicates if the waterpressure is sufficient. As soon as the water pressure drops below 1 bar topping up is necessary. If
topping up becomes a regular ocurrance, your installation should be checked by an installer.
Disconnect from the main. Connect the filling hose to the cold water tap and to the fill and drain valve of the boiler. Before tightning the coupling
in the installation slowly fill the hose with water allowing any air present to escape. Open the fill and drain valve and slowly fill the installation until a
pressure between 1.5 and 2.0 bar is reached. When finished connect again to the main.
Bleeding
To remove any air present in the heating system and boiler, bleeding is necessary. Disconnect from the main. Open all the radiator valves. Bleed the
air from all the radiators starting with the ones at the lowest point in the system. After bleeding, check the water pressure and top-up if required (if
water pressure has dropped below 1 bar). Connect to the main again.
Starting the boiler
Please ask your installer how to start the boiler. Depending on how your heating system is controlled, this could be via an external timeclock,
thermostat, switch or otherwise. Once the boiler volt-free enable contacts are closed, the boiler will commence its starting sequence.
Boiler flow temperature
The burner controller can adjust the flow temperature between 20 ° and 85 °C. The temperature setting can be changed using the control panel.
The installation manual provides the instructions for setting the flow temperature.
DHW (Hot Water) temperature ( if applicable)
From the factory, the DHW temperature is set to a value of 60 °C. This set value can be changed to any value between 35 and 65 °C using the buttons
on the control panel. If the DHW device has a thermostat the DHW temperature can be adjusted by setting this thermostat.
Switching off the boiler
During summer time the room thermostat can be set to a lower value to turn off the boiler. During winter or during a longer period of absence this
temperature never should be set to a lower value than 15 °C. Don’t switch off the power. During a period of frost all the radiators should be partly or
totally opened to avoid danger of freezing.
The integrated pump control will activate the pump every 24 hours for a short period even if no demand is present. This prevents the pump jamming.
Only when work on the boiler is being carried out may the main electricity supply and gas supply be turned off (your installer can show where these
are located).
Errors
If an error occurs first check the following
• Is the room thermostat properly set?
• Is the boiler connected to the main? Power supply present?
• Is the gas valve opened?
• Are the radiator valves open?
• Is the water pressure in the installation higher than 1 bar?
• Is the installation bled thoroughly?
An error is indicated by a code on the display. It is very important for the sake of a correct diagnosis to mention this code when calling your installer.
Reset the burner controller by pressing the ok button on the control panel. If the error occurs frequently contact your installer.
Maintenance
A yearly inspection of the boiler must be done by your installer. The lifespan and the reliability of the installation are improved by doing so.The casing
of the boiler may be cleaned with a soft cloth (no abrasives). Never use solvents like thinner!
Caution
The air supply (for air needed for combustion) and the flue parts are essential parts for safe and efficient operation of the boiler. Changes on these
systems by non qualified persons are not allowed e.g. the settings of the gas valve. The gas/air ratio is set to a lambda value of approximately 1.26.
This corresponds with a CO2 level of 9,3 % (full load).
For further information see installation manual.