Royal CPR 28T Installation, User And Maintenance Manual page 56

12.2.5
This should be performed at least twice a year,
at the start of and half-way through winter, and
in any case whenever necessary or provide by
local regulations (Fig.12.2). If there are horizontal
sections, check for and remove any accumulated
gas duct.
In the case of strong wind or special weather
conditions, the boiler may indicate alarm signals.
This is to be considered quite normal. Reset the
alarm and proceed to ignite the boiler again. In the
event this condition persists in a continuous manner
please contact the authorized service centre.
The failure or inadequate cleaning of the boiler
can affect the safety and generate functionality
problems such as:
poor combustion;
blackening of the glass;
blockage of the burn pot by ash and pellets;
accumulated ash and excessive fouling of the
heat exchanger, with a consequent decline in
12.2.6 Cleaning of the boiler and heat exchanger
Periodic cleaning of the boiler and heat exchanger
must be carried out solely and exclusively by
authorized personnel, consult to this regard with
the after-sales service.
It is recommended to carry out this operation
only when necessary, keeping under control the
12.3 OPERATIONS TO BE CARRIED OUT
AT THE END OF THE SEASON
It is recommended to use all the pellets present
in the hopper in order to prevent the formation of
condensation, which could cause clogging and
seizing of the feed motor.
The residue of pellets and the sawdust present in
the bottom of the hopper must be removed with the
aid of an aspirator.
it is recommended to verify the quality of the pellets
used as power supply for the boiler.
This operation must be carried out when the boiler
is off, disconnecting the power supply.
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USE AND & MAINTENANCE
Fig.12.2