29
Regulation and servicing
for the technician
Warnings for servicing
All servicing operations and gas conversions MUST BE CARRIED OUT BY QUALI-
FIED TECHNICIANS, in accordance with the Law n°46 dtd. 05 March 1990 and with the
rules UNI-CIG 7129/01 and 7131/99 and revisions. Moreover, in accordance with art.11
section 4 D.P.R. 412/93 and revisions, 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;
— Clean heat exchangers and electrodes;
— Check integrity and stability of the ceramic fibre coverings in the combustion chamber and
proceed eventually to substitution;
— 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;
— 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.
Summary of Contents for Supermicra 23 E
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