Beretta NOVELLA Manuale utente

NOVELLA

BOILERS

CAST IRON

BASE

USER MANUAL

Novella boilers conform to the basic requirements of the following directives:

• Gas Appliances Directive 2009/142/CE

• Boiler Efficiency Directive 92/42/CEE

(✫✫)

• Electromagnetic Compatibility Directive 2004/108/CE

• Low Voltage Directive 2006/95/CE

boilers are therefore CE marked.

0694

The following symbols are used in this manual:

b CAUTION! = Indicates actions that require caution and adequate preparation

a STOP! = Identifies actions that you MUST NOT do

CONTENTS

1 GENERAL SAFETY INFORMATION ............................................................ 5

2 SAFETY PRECAUTIONS.............................................................................. 6

3 DESCRIPTION OF THE APPLIANCE........................................................... 7

4 LIGHTING THE BOILER ............................................................................... 8

5 SHUTTING DOWN THE BOILER ................................................................. 9

6 MAINTENANCE............................................................................................. 10

7 OPTIONAL ACCESSORIES.......................................................................... 11

USER MANUAL

Dear Customer,

Beretta has always viewed customer satisfaction as its top priority, and applies all its experience

and know-how to the creation of its products.

This easy-to-consult manual has been specially written to familiarise you with your new boiler

and to help you fully appreciate the benefits of independent central heating and instant hot water

production.

Please read this manual thoroughly. It contains important instructions and recommendations for

the correct operation and servicing of your new boiler.

Please keep this manual safe for future reference once you have read it.

For any other information or requirement, please contact the

“BERETTA CUSTOMER SERVICE”

By calling 199 13 31 31, you can speak to a qualified operator who will be happy to provide

any additional information you need on the functioning of your boiler. You can also find out more

about the Beretta range of products and services, and pass on any suggestions or comments

you might have.

If an operator is not available when you call, please leave a message and we shall return your

call as soon as possible.

Remember too that Beretta’s operates a Technical Assistance Service staffed by qualified per-

sonnel who are always ready to respond to your calls.

To contact your local

“TECHNICAL ASSISTANCE CENTRE”

call the universal number 199 12 12 12. Your call will be transferred to the Technical Assistance

Centre nearest to you.

1 GENERAL SAFETY INFORMATION

This operation manual forms an integral part

of your new boiler. As such, it must be kept

safe and must always accompany the boiler.

If it becomes damaged or lost, request a copy

from the manufacturer’s Technical Assistance

Service.

b Your new boiler must only be installed

and serviced by qualified personnel, in

conformity to applicable legislation and

applicable technical standards.

b Make sure that your new boiler is instal-

led by a qualified heating engineer.

b The boiler must only be used for the pur-

pose for which it is designed and made.

The manufacturer declines all responsi-

bility, contractual or other, for damage

to property or injury to persons or ani-

mals caused by improper installation,

adjustment, maintenance or use.

b Do not tamper with the boiler's automa-

tic safety or control devices at any time

during its working life. The servicing of

such devices must be referred to the

manufacturer or supplier.

b The boiler is designed to generate hot

water and must be connected to a cen-

tral heating system and/or to a domestic

hot water distribution system compatible

with its performance and heat output.

b If water leaks from the boiler, turn off

the water supply and contact the manu-

facturer’s Technical Assistance Service

immediately.

b If the boiler is not going to be used for

an extended period of time, close the

gas shut-off cock and switch the boiler

off at the mains power switch. Empty the

boiler’s water circuit if there is any risk of

freezing.

b Periodically check that operating pressu-

re in the water circuit is over 1 bar.

b In the event of a fault or malfunction, shut

down the boiler and switch it off at the

mains. Do not attempt to repair or service

it yourself.

b The boiler must be serviced at least

once a year. You can save both time and

money by arranging servicing in advan-

ce with the manufacturer’s Technical

Assistance Service.

USER MANUAL

2 SAFETY PRECAUTIONS

Always observe the following fundamen-

tal safety precautions when operating your

Novella boiler.

b Do not use the boiler for any purpose for

which it was not designed.

b Do not touch the boiler when barefoot or

wet. Risk of electric shock!

b Do not operate any electrical switches,

telephones or any other equipment that

might cause a spark if you smell gas.

Thoroughly ventilate the room by ope-

ning wide all doors and windows, and

close the gas shut-off valve.

b Do not place objects on the boiler.

b Always switch the boiler off at the mains

switch before commencing any cleaning

operations.

b Do not store containers of flammable

substances in the room where the boiler

is installed.

b In the event of a fault or malfunction, do

not attempt to repair or service the boiler

yourself.

b Do not pull on or twist the boiler’s elec-

trical cables.

b Do not allow children or uninformed per-

sons to operate the boiler.

b Do not block the air vents in the room in

which the boiler is installed with rags or

paper etc.

b Do not obstruct or restrict the air vents

in the room where the boiler is installed.

To get the best from your boiler, always

remember the following hints.

- Periodic cleaning of the boiler’s casing with

soapy water not only keeps your boiler loo-

king attractive but also protects the casing

against rust and extends its working life.

- Installation of the optional accessories listed

on page 16 increases the level of comfort

in your home, ensures more rational use of

your boiler and helps save energy.

3 DESCRIPTION OF THE APPLIANCE

Novella boilers are floor standing, gas fuelled

boilers with an atmospheric burner and cast

iron heat exchanger. They are specially desig-

ned for use in central heating systems, but can

also generate domestic hot water if connected

to a suitable storage cylinder.

Novella boilers feature electronic ignition and

ionisation flame detection.

The control panel (fig. 3.1) houses all the con-

trols needed to control the various functions of

the boiler.

Fig. 3.1

171819

12 13 14 15 16

20 19

Key

12 ON/OFF switch

13 Central heating temperature control

14 Water circuit temperature gauge

15 Safety thermostat (manual reset)

16 Flue gas thermostat (manual reset)

17 Red “burner lockout” LED warning light

18 Green “power on” LED indicator

19 Quick reference guide

20 Burner reset button

USER MANUAL

4 STARTING UP THE BOILER

Your new boiler must be started up for the first time by the manufacturer’s Technical Assistance

Service.

Subsequently, proceed as follows to start up the boiler whenever necessary.

Fig. 4.1

Fig. 4.2

Fig. 4.3

Once you have completed all the preparatory

steps, proceed as follows to start up the boiler

for the first time.

- Turn the boiler’s mains power switch ON

(fig. 4.1)

- Set the room thermostat to the required

temperature (~ 20°C) or, if the system has

a timer or timer-thermostat, make sure that

this is switched “On” and adjusted to the

required temperature (~ 20°C) (fig. 4.2)

- Adjust the boiler’s temperature control to the

desired temperature (operation not neces-

sary if the boiler has been equipped with a

temperature controller) (fig. 4.3)

- Switch the boiler on at the control panel

switch and check that the green power indi-

cator lights (fig. 4.4).

The boiler will now start up and the burner will

remain lit until the set temperature is reached.

If any ignition or functioning errors occur, the

boiler enters “LOCK-OUT” and the red LED

on the control panel comes on to indicate this

(fig. 4.5).

Fig. 4.4

Fig. 4.5

5 SHUT-DOWN

If the boiler is not going to be used for an

extended period of time, perform the following

operations.

- Switch the boiler on at the control panel

switch and check that the green power indi-

cator lights (fig. 5.1).

- Turn the mains power switch OFF (fig. 5.2).

- Close the boiler’s fuel cock and water circuit

cock (fig. 5.3).

b Empty the boiler if there is any risk of

freezing

Fig. 5.1

Fig. 5.2

Fig. 5.3

Fig. 4.6

Fig. 4.7

Proceed as follows to reset the safety ther-

mostat.

- Wait for about 1 minute, then press the "bur-

ner reset" button (fig. 4.6).

- Wait for the burner to complete the entire

start-up cycle again, up to the ignition of

the flame.

The boiler will also shut down if the flue gas

thermostat trips. To reset the boiler in this

case, remove the hood and reset the flue gas

thermostat (fig. 4.7).

b If the flue gas thermostat trips repea-

tedly, make sure that the flue gas pipes

are not blocked and that the flue is pro-

perly constructed.

b Novella boilers are equipped with a fac-

tory-calibrated minimum pressure switch

for the gas supply. This shuts down the

boiler if the gas supply pressure is not

sufficient to ensure correct functioning.

Operation of this pressure switch is not

signalled.

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.

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.

MAINTENANCE FIRST

YEAR

SECOND

YEAR

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. • •

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