General Warnings - Riello NUOVO ACU Series Technical Information Assembly, Use And Maintenance Instructions

Water-fed fan heaters
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This manual is an integral part of the machine, therefore it should always be carefully kept and it should always be provided together with the machine,
if it is transferred to another owner or user. In case of damage or loss of this booklet, request another copy from your local Technical Assistance Service
or Manufacturer.
After unpacking the product, check its integrity and wholeness. If not, contact the Agency that sold the unit.
In reference to standard CEI EN 60335-1, for electric motors with rated current > 0.2 and ≤ 1.5, a deviation equal to +20% is allowed. For this, the
external electrical protections (not supplied and to be provided by the customer) located upstream of the device need to be sized with an adequate
margin that takes into account the normal variables of the system.
The installation of the unit should be performed by a qualified company that, at the end of the work, must give the owner a declaration of conformity of
the installation, performed according to the book, that is in compliance with the National and Local Standards in force and the instructions provided in
this instruction booklet.
The heaters have been manufactured for room heating and they must be used for this purpose, compatibly with their performance characteristics.
The manufacturer is exonerated from any contractual or extra-contractual liability regarding damages caused by incorrect installation, adjustment,
maintenance or improper use.
Excess temperature is damaging to health and represents a waste of energy. Do not leave the rooms closed for a long time. Periodically open a window
to air the room/building.
If you do not intend to use the unit for a long period of time you MUST at least do the following:
turn the main switch of the unit and the general switch of the plant to "OFF"
close the water check valves;
if there is a risk of sub-zero temperatures, drain the water from the unit.
In case of water leaks, turn the main switch "off" and close the water taps. Immediately call the Technical Assistance Service or professionally qualified
personnel and do not intervene personally on the unit.
Do not leave the rooms closed for a long time. Periodically open the windows to ensure proper ventilation.
The electrical system must provide adequate electrical individual and independent protections for each device, which in case of accidental failure, shall
intervene on the single unit without jeopardizing the operation of the other units in the system.
If the unit has remained idle for a long period it is advisable to have it restarted by an authorised Technical Assistance Service or, in any case, by
professionally qualified personnel.
All heaters must be fitted exclusively with original accessories. The manufacturer shall not be held responsible for any damage deriving from improper
use of the unit or from the use of non-original materials and accessories.
All references to Law, standards, directives and technical rules in this manual are to be considered as informative only and valid at the date of printing of
the Manual. The entry into force of new provisions or amendments to current laws does not represent an obligation of the manufacturer towards third
parties.
Repairs or maintenance must be performed by the Technical Assistance Service or by qualified personnel in accordance with this manual. Do not modify
or tamper with the appliance as dangerous situations can be created and the manufacturer will not be liable for any damage caused.
All connected systems (water supply, electrical connections etc.) must be secured safely and must not constitute obstacles or cause personnel to trip up.
The Producer is responsible for the product compliance with Laws, Directives or Construction Rules in force when the product is marketed. The
knowledge and observance of the laws and standards regarding plant design, installation, operation and maintenance are the sole responsibility of the
designer, installer and user.
The Producer shall not be held responsible for failure to comply with the instructions of this manual, for the consequences of any operations carried out
and not specifically provided for or for translations open to misinterpretation.

GENERAL WARNINGS

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