Maintenance - Beretta NOVELLA User Manual

6 MAiNTENANCE

The only maintenance that the user can per-
form is the cleaning of the outside of the boiler
casing with a cloth damped in soapy water.
To remove stubborn marks, use a cloth dam-
ped in a 50% mix of water and denatured
alcohol or a suitable cleaning product.
Do not use abrasive cleaning pads or powder
detergents.
Never clean the boiler without first disconnec-
ting it from the mains electricity supply by tur-
ning the mains power switch and the control
panel switch OFF.
On request, the manufacturer's Technical Assistance Service will also provide you with a system
service book. The Technical Assistance Service will also be pleased to instruct you how to get
the best from your new boiler.
MAiNTENANCE
10
CHECK ALL SEALING COMPONENTS.
CLEAN THE PRIMARY HEAT EXCHANGER ON THE FLUE GAS
SIDE.
CLEAN THE COMBUSTION CHAMBER, FAN AND VENTURI.
CHECK THE WATER AND GAS SAFETY DEVICES.
CHECK THE GAS FLOW RATE AND ADJUST IF NECESSARY.
CHECK THE DRAUGHT OF THE FLUE.
CLEAN THE BURNER AND CHECK THAT IT LIGHTS PROPERLY.
CHECK THE FUNCTIONING OF THE WATER CIRCUIT.
ANALYSE COMBUSTION GASES.
CHECK AND LUBRICATE THE WATER CIRCUIT VALVE GROUP.
CHECK THE TIGHTNESS OF THE GAS CIRCUIT.
CLEAN THE HEAT EXCHANGER.
CHECK THE EFFICIENCY OF ALL ELECTRICAL AND ELECTRONIC
DEVICES.
CHECK THE EFFICIENCY OF THE FAN.
Remember that safety legislation (in Italy,
Presidential Decree 412 of the 26th August
1993) obliges the person responsible for the
boiler to ensure that professionally qualified
personnel perform periodic maintenance.
The manufacturer's Technical Assistance
Service is qualified to satisfy all legal require-
ments and can also offer scheduled mainte-
nance contracts.
Stipulation of a maintenance contract gua-
rantees:
- greater savings
- greater safety
- greater comfort and peace of mind.
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