19
Delivering to the user
RECOMMENDATIONS FOR YEARLY CHECKING
It is compulsory that the qualified personnel to instruct the user in great detail about the following
aspects on boiler starting:
The boiler starting and the shutting-down procedures, in safety conditions by checking the
following elements:
* the electric power supply respecting the polarity
* gas supply
* the central heating circuit supply and loading
* the filling valve must be closed
* the pressure in installation by the manometer displaying from the control panel (1-2 bars)
* the valves from the DHW circuit should be opened
The running mode of the boiler and the possible problems which may occur. Also, the
importance of each button or switch from the control panel will be explained.
The user is warned that a water pressure falling in the system is caused by the heat carrier loss
which must be rectified before using the boiler again.
It is recommended that the user should ask for a checking of the boiler running by an
authorized person at least once a year.
The user is warned upon the precautions against freezing.
The instructions manual is delivered to the user.
At the end of the instruction they must sign a document of putting into service, as he
assimilated the proper mode of the boiler utilization. This document is signed by the authorized
person too who performs the putting into service, who trained.
The person who performs the starting has the right of refusing the putting into service of the
boiler if he establishes that there are some irregularities, and he won`t contract the document till
these irregularities are remedied.
The one who performs the putting into service has not the obligation of rectifying the mounting
errors but he assumes the responsibility that the installations correspond to the chosen boiler from
the functional and constructive point of view.
It is compulsory to check the boiler at a least two years period.
For a good running of the boiler and prolonging the boiler life it is necessary to be checked by
an authorized person at least once time a year. It is recommendable that this checking to be done
before the cold period, when the boiler won`t be used at the maximum capacity. The following
operations will be performed as: the main burner running is controlled and the burner is cleaned in
case this thing is compulsory; the boiler exhaust flue is checked and cleaned; the gas valve
controls are verified; the
pump is verified; the scavenging system running is verified; the air
pressure switch running and the flue system tightness are verified; the combustion correctness is
checked, by analysing the exhaust gases; the gas supply system tightness is verified, the district
heating and the DHW circuits tightness are checked, the electrical installation is verified..
