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Regulation and servicing
fo
r the technician
Warnings for servicing
All servicing operations and gas conversions MUST BE CARRIED OUT BY QUALIFIED
TECHNICIANS, in accordance with the Law n°46 dtd. 05/03/1990 and with the rules
UNI-CIG 7129/92 and 7131/99 and revisions. Moreover, in accordance with art.11 section
4 D.P.R. 412/93 , SERVICING operations must be carried out, at least once a year, by
HERMANN AUTHORIZED SERVICING CENTRES, and must be written in the appliance
booklet, as indicated by the laws UNI and CEI presently in force.
At the end of each heating period, it is necessary to call a qualified technician to check the boiler, in
order to keep the system perfectly efficient.
A careful servicing is always a guarantee of safety and saving.
Normally, it will be necessary to execute the following operations:
— Remove any possible oxidization from burners and electrodes;
— Scale exchangers;
— Check boiler ignition, switching off and operation;
— Check water and gas connections tightness;
— Check gas consumption at the minimum and maximum output;
— Verify that safety devices are correctly working;
— Verify correct functioning of control and adjusting devices;
— Verify periodically good working and efficiency of the combustion product evacuation ducts
and/or devices;
— Check (every 6 months) and when necessary the substitution of the magnesium anode;
— In case of works or servicing of the structures placed near above mentioned ducts and /or
devices and their accessories, switch off the boiler;
— Do not leave any inflammable tanks and/or substances in the installation room;
— Do not clean the room where boiler is installed, while it is working.
— Clean casing with soapy water only. Do not clean casing, other painted or plastic surfaces with
thinner.
— In any case of parts replacement, it is mandatory to use HERMANN original spare parts.
HERMANN declines any responsibility in case of non-original spare parts utilization.
Once all servicing operations have been carried out, it is mandatory to write a report for the
user, that should indicate state of the appliance, servicing interventions and eventual advices
and prescriptions.
