ARITERM SWEDEN AB
•
ARITERM OY
• Asennus ja käyttöohje • Installation och driftanvisning • Installation and operating instruction • UK 25.05.2012 •
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ARITERM-VTT-S-07229-11.1
Check every 1-2 years
Unfasten the burner primary air ring, which is fastened by means of four screws and nuts.
Clean the air vents of the primary ring and remove all ash. At the same time, check the primary
air pipe and clean it of ash. The burn cup should be sealed with fireproof sealant.
Detach the protective casing of the burner. Check the chain wheels and chains for wear or
whether the chain has loosened. Adjust and change as needed. Lubricate the chain with thin
oil.
Note!
Always remember to be careful when dealing with ash because it may still be incandescent. The
ash must be stored in a fire-resistant vessel.
SERVICE AND MAINTENANCE
The boiler and burner will function without problems for a long time if the following instruc-
tions are observed:
•
The boiler must be kept in a dry environment
•
The boiler and burner operate all the time within the defined adjustment values.
•
Clean the boiler when the temperature of flue gases has increased by 20-30°C with respect
to the temperature they have with a clean boiler.
•
Check the burner head and clean it as needed. Remove the sintering and, if necessary,
scrape the air gaps open.
•
Replace the damaged part with a new one in due time
•
Check to make sure that no condensed water or water coming from pipe leaks can damage
the boiler.
Note! Always disconnect the main power before maintenance work!
Boiler cleaning
Turn the burner off for about an hour before maintenance work and cut the main power. Clean
the furnace from the burner opening and the convection part from the cleanout hatch on the
top of the boiler. Clean all convection pipes with the cleaning brush delivered with the boiler
(see the next page). Finally, empty the ash box. The ash from the ash box can be used to deter-
mine whether combustion has been good. The ash should be powdery.
The interval for ash removal and boiler cleaning can be specified in the Service menu on the
basis of experience. The boiler should be cleaned when the temperature of flue gases rises by
20ºC with respect to the temperature they have with a clean boiler.
Burner cleaning
Turn the burner off for about an hour before maintenance work and cut the main power. Pull
the burner out of the boiler, check the burner head and carry out the necessary operations. The
burner head does not usually need special maintenance. However, in connection with ash re-
moval, it is good to check whether hardened ash has accumulated in the burner head. To de-
tach the hardened ash, use a screwdriver or similar tool. At the same time, check whether ash
has flown to the mouth of the flame detection pipe and clean it as needed.
In connection with a new fuel delivery, the burner head must be checked in order to detect
possible sintering (mutually bound ash, rock and gravel-like particles in the burner head) over
time. Such particles must absolutely be removed from the burner head at short intervals so that
the primary ring will not become overheated and get damaged.
Sintering is often due to impurities in the fuel. If this is the case, you should immediately file a
complaint with the fuel supplier. Pay special attention to pellet quality when you receive a new
delivery or when you change suppliers.
Burner cleaning is started by unfastening
the quick locking clips on both sides of the
burner and by pulling the burner out of the
boiler.
Make sure thatthe burner wires do not get
damaged.
Ash box fastening handles
Burner slide bar
Burner quick locking
clips
The burner’s combustion chamber is cleaned
so that the burner and the ash box are
withdrawn from the boiler after which the
combustion chamber is emptied directly into
the ash box.
