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11 – INSTRUCTIONS FOR THE INSTALLATION
11.1 GENERAL PRESCRIPTIONS
11.1.1 REFERENCES
All the persons that makes the electric and hydraulic installation of the heat generator must be
inscribed in the register of the Installer Company according the L. 46/90.
The installer both for the hydraulic and for the electrics connection must release the Certificate
of Conformity according the L. 46/90 and the Regulation of the realization D.P.R. 477/91.
Every person responsible of a plan with output superior than 200.000 Kcal/h (232,5 KW) must
be in possess of the patent.
11.1.2 PLACES
The heat generators with nominal output more than 34,8 KW (30.000 Kcal/h) must be installed
in special places separated from the others by means of REI 120 structures.
The surface of the boiler room must be not inferior than 6 square meters, with flat floor and
with permanent openings with surface more than 1/30 of the room plan.
11.2 PEFORMANCE OF THE INSTALLER
11.2.1 I.S.P.E.S.L. NOTIFICATION
The thermal system for boilers with nominal output more than 34,8 KW (30.000 Kcal/h)must
be done according a project decided by qualified persons. The installer has to notify the plan of
the system together with its project to the ISPESL of that area.
11.2.2 PLAN BOOKLET
At the end of the installation and the emission of Declaration of Conformity, the installer shall
release a booklet of the plan according the DPR 412/93.
11.2.3 HYDRIO -THERMAL PLAN
The hydrothermal system must be done with an open expansion vessel.
The installer must follow all the prescriptions of the R Collection of I.S.P.E.S.L.
The hot water circulating device must always run before the heat generator starting or must be
controlled by the thermostat that controls the starting once the water reaches 40°C.
11.2.4 ELECTRIC SYSTEM
The machine has a general switch not automatic.
The power supply line must be protected by a differential device with a operating current not
higher than 30 mA.
All the extraneous conductive parts and the pipes are connected by means of an equipotential
conductor to a collector.
