ENG - Manual of installation, use and maintenance.
210-0352_libretto_WHC_ATI_eng.docx
12
Jan-19
LOCAL REGULATIONS
The installation must be in accordance with the local regulations established by:
Fire fighters
Gas Supply Company
Power Supply Company
Hygiene and Health Office
SAFETY REGULATIONS
Do not perform any cleaning or maintenance work without having turned off the water heater and cut-off the power.
Operating the water heater with disassembled protections of the electrical parts or with excluded safety devices is
absolutely forbidden. Removing or tampering the safety devices is absolutely forbidden.
In case of failure and / or malfunction, switch off the appliance, close the gas cock and do not try to repair it, but contact an
authorized service centre.
In case of fire, use powder fire extinguishers only, do not direct jets of water directly against the heater as this may cause
short circuits.
Use suitable manual or electrical tools and / or equipment: make sure that they are not worn out and that they are used
properly.
Make sure that ladders and / or rolling ladders are firmly positioned, that they are appropriate and that the steps are intact
and not slippery, that they are not moved while someone is climbing them and that someone provides supervision at all
times.
INSTALLATION INSTRUCTIONS
During installation or servicing carried out at a certain height (generally with a difference in height of more than 2 meters),
use rolling towers compliant with legal standards and make sure that the space below is free because tools and objects may
fall.
Make sure that, while installing and servicing the appliance, the workplace has suitable hygiene conditions in terms of
lighting, ventilation and solidity of the structures.
Wear individual protective clothing and equipment while installing and servicing the appliance.
Do not take any action without a prior check of the absence of gas leaks by using a special detector.
The installer must be qualified in the installation of heating equipment according to the law n. 46 of 05/05/1990 and, at the
end, he has to issue the CONFORMITY DECLARATION to the customer.
The appliance should be connected to a sanitary hot water distribution network that must be compatible with its
performance and power levels. Make sure that the installation site and any systems to which the appliance must be connect
comply with the regulations in force.
Being a C-type unit, the appliance can be installed in any kind of place, without any restriction to its ventilation condition
and volume.
Before any installation, maintenance or repairing intervention, cut off the power supply to the unit. Protect all connection
pipes and wires in order to prevent them from being damaged.
The device has to be installed on the floor, leaving a suitable distance from the side walls to allow the gas and water
connections, as well as any possible maintenance intervention. Furthermore, the appliance must be installed on a solid well-
finished flat floor, that is not subject to vibration.
Reseal the openings used to make the readings of CO
2
values at the maximum and minimum power.
All operations inside the appliance must be performed with the necessary caution in order to avoid abrupt contact with
sharp parts.
Do not take any action without a prior check of the absence of an open flame or ignition sources.
In case you detect a smell of burning or smoke coming from the appliance or a strong smell of gas, disconnect the appliance
from the electrical supply, turn off the main gas valve, open all windows and contact the nearest authorized assistance
service.
IN ANY SITUATION, COMMON SENSE IS THE BEST SAFETY AGAINST ANY DAMAGE AND / OR INJURY.
