The water hardness may not exceed the recommended value. If you heat the boiler using
coal, depending on the kind of coal and quality of combustion, boiler is to be cleaned at least every 30
days. Dirtier the boiler, the efficiency of the system is smaller.
It is not allowed to extinguish the fire in the boiler artificially, it is forbidden to sprinkle the
water inside the heating chamber. After the heating season boiler should cleaned from ash and soot and
the chamber should be treated with some protection agent against corrosion.
In case of any mechanical problem (the draught regulator is blocked, or the circulation pump is
defect) stop the boiler operation first – only when the boiler is cold, reparation action can be undertaken.
7
Chimney
The purpose of the chimney is to take out the products of combustion but also to secure necessary air
draught in the boiler.
The purpose of this chapter is only to provide basic information. Please consult your chimney
supplier for details. We take no responsibilty if the chimney is not chosen properly.
The graph below gives an idea how to chose the necessary height for the chimney as a function of
chimney opening. For instance, if we have a 160 mm diameter of the chimney, minimum chimney height
would be 6m for 20 KW model or 8m for 25 KW model. For 180 mm diameter chimney should be at
least 5m high for a 20 KW boiler (6m for 25 KW boiler).
14
Summary of Contents for Temy Plus P 20
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