52
HARGASSNER Heating technology for
Biomass
A 4952 Weng OÖ Tel.: +43/7723/5274-0 Fax: +43/7723/5274-5 [email protected]
IV
Cleaning, Maintenance
At regular operation small cracking may occur in the refractory.
These are stress cracks that form an expansion joint.
This cracking is important and does not lead to any functional impairment. As
a result, there is no right to claim under guarantee.
The specified cleaning and maintenance intervals are absolutely necessary
for safe and clean operation of the boiler.
Observe the state regulations and resulting chimney sweep's inspection
and sweeping intervals dictated by these regulations.
1
Maintenance contract
If you sign a maintenance contract with Hargassner, the cleaning and mainte
-
nance takes place during the annual service performed by personnel authorised
by Hargassner.
Depending on your country's regulations, a service must be carried out by the
manufacturer regularly (every one to three years). This service has to be carried
out by personnel trained and authorised by the manufacturer.
In order to perform at its best, the boiler must be cleaned extensively.
• At least once a year
• After a set number of operating hours in the event of an error
The cleaning intervals will change or shorten depending on the
composition of the fuel and if low-grade material is used
A T T E N T I O N
Formation of dust and smoke due to boiler leakages
• Clean sealing surfaces with industrial alcohol and a dry and soft (scratch-free) cloth
only
• Make sure the cleansing material is evaporated before commissioning
Dirt and boiler breakdown due to escaping ash
• Empty and clean according to the maintenance instructions.
• If the ash box is overfilled, ash may escape from the box.
• Ash box must be positioned correctly and locked on both sides
Summary of Contents for Classic 12
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