ENG - Manual of installation, use and maintenance.
210-0352_libretto_WHC_ATI_eng.docx
13
Jan-19
14.
INSTALLATION
OPERATION TO BE CARRIED OUT BY A QUALIFIED PERSON ONLY
Warning! The installation of the residential ventilation system must be performed by a qualified person only, in order to avoid
damage or injury.
Before installing the appliance, check that the nominal supply voltage is 220 / 240V - 50Hz.
Make sure that the electrical system is suitable to supply, in addition to the operating power required by the unit, also
the necessary power for powering the appliances and equipment already in use.
perform the electrical connections in accordance with national laws and regulations.
Foresee an omnipolar switch with a minimum contacts distance of 3.5 mm upstream the unit.
The installation of the device is divided into 5 distinct phases, which are listed below, and which have to be followed respecting
the order.
1.
2.
Flue system
3.
Water supply connections
4.
Gas supply connection
5.
Electrical supply connections
The appliance needs to be earthed. Check that the electrical supply cable is in perfect condition. Under no circumstances repair
the damaged cable with insulating tape or clips. If the power cord is damaged, it must be replaced by service person or by a
similarly qualified person in order to avoid any hazard.
Improper installation may harm people, animals and possessions: the manufacturer shall not be held responsible for any
damage caused as a result.
15.
POSITIONING THE APPLIANCE
The location of the appliance must be chosen according to the maximum length allowed for each type of flue system, gas and
electrical connection. The appliance is designed to have water, gas and electrical connections on the right side of the appliance,
whereas the flue gas outlet is on the top of the appliance. It is recommended to place the heater in such a way as to facilitate
the installation and maintenance operations.
The appliance, being a C-type unit, can be installed in any kind of place, without any restriction to its ventilation condition and
volume.
The minimum acceptable clearances are shown below.
The front and right side of the appliance must be easily accessible, in order to facilitate proper installation and periodic
maintenance.
To prevent possible infiltration of water during a thunderstorm, we recommend a slight downward slope of the flue and air duct.
IMPORTANT: INSTALL IN ACCORDANCE WITH THE REQUIREMENTS OF NATIONAL INSTALLATION REGULATIONS