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6. GENERAL INSTRUCTIONS
6.1.
Starting the system
Press key B on the control panel.
CAUTION:
You may notice some smoke being released by the boiler when the system is started up, especially if
the chimney flue does not have appropriate draft (for instance, insufficient height of the chimney flue or
obstruction of the chimney flue outlet gas duct). These gases may seep through the seal on the door or the
top section of the boiler, where the combustion gas covers are situated - check and adjust their position. We
also recommend that you check the condition of the chimney flue. The same process may be observed
during transition periods (in spring and autumn), when the natural draft of the chimney flue does not
balance the loss of the system outlet gas duct given the high ambient temperature.
Due to the incorrect adjustment of the initial fuel dose, you may observe smoke being released by
the boiler, due to the insufficient tightness of the hot water boiler seals. If this is the case, you need to
adjust the burner operating parameters - this procedure can only be performed by an authorised, trained
and certified technician.
6.2.
Boiler operating parameters
The boiler operating mode is defined directly by setting the related thermostat set-point.
Nevertheless, you need to consider that the temperature of the water circulating at the inlet affects the
operating mode of the system, with consequences on reliability and efficiency.
CAUTION: the manufacturer guarantees the efficient and reliable functioning of the system consisting of
the hot water pellet boiler and pellet burner only if the operating mode falls within the range of parameters
specified in Table 3.2 herein.
6.3.
Nominal operating mode of the system
The adjustment of the operating parameters must be made when both the boiler and the system have
achieved stable thermal conditions.
N.B.:
The temperature of the return flow of water circulating in a heating system must exceed 60
avoid the formation of condensation on the internal surfaces of the boiler.
At the initial start-up of the boiler, you may observe water vapour condensation. This process
does not affect the performance of the system and does not cause any operating faults.
General instructions
PRACTIKA 28-33
USE AND INSTALLATION MANUAL
Technical dept. - All rights reserved - Reproduction prohibited
Chapter 6
page 33
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