Tetan KP 12-ES, Service And Operation Manual

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Automatic boiler for wood pellets
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Important note:
After each visual check of burning or after ash removal you must always make sure that
the boiler door is tightly closed to avoid being stricken by flames from the burning chamber!!! Ajar or slightly
opened door will cause increased fire hazard and also negatively affect the fuel burning processes.
7.1.3 Flue gases exchanger cleaning
Cleaning of the gas flue is done automatically in intervals set by the control unit program. Proper setting is done
in the manufacturing facility or later by an authorized service technician. Exchanger cleaning is performed
repeatedly several times per day depending on burning intensity. Exchanger cleaning can be limited by time. It is
not feasible to use exchanger cleaning for instance during night time.
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Note:
In case the boiler shows signs of faulty burning, smokes when the door is open or the burnt gases
temperature is rising, check the efficiency of exchanger cleaning. Change the cleaning interval.
7.2 MAINTANANCE
7.2.1 Burnt gases exchanger cleaning
Is done automatically, electric motor drives lever cleaning mechanism.
Operation interval: set by the program, differs by fuel types.
It is also possible to remove ash from the burning chamber by turning on the ash removing drive in the Menu
Diagnostics..
The service technician checks correct function of the equipment, checks turbulators for damage, correct function
of the drive and lever mechanism and must lubricate cleaning drives if needed.
Anticipated intervals:
1 x per year when using wood pellets
1 x per month when using alternative pellets
7.2.2 Burner grate cleaning
During checking it is necessary to pay attention to burning grate cleaning in order to avoid plugging of the burner
air jets.
Always perform cleaning, when a continuous layer of ash exceeds 4cm.
Clean the burner grate with jets simply by moving a scraper along the burner grate area.
Anticipated intervals:
1 x in 3 – 10 day wood pellets
1 x daily alternative pellets
7.2.3 Ceramic grate cleaning
The ceramic grate construction has a self-cleaning feature. Dust particles do not stick to the grate after burning
pellets. Nevertheless check cleanliness of these parts. If needed, you can get rid of the dust particles by slightly
shaking the individual parts of the ceramic grate. After this procedure check correct placement of ceramic parts.
Anticipated intervals: 1 x in 4 month wood pellets
1 x month alternative pellets
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Note: Perform this check when the burned gases temperature repeatedly or permanently exceeds 200ºC.
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Important note:
Ceramic parts could be extremely hot. Use a proper tool or protective gloves.