Beretta NOVELLA 55-64-71 RAP User manual

Installation Manual
NOVELLA 55-64-71 RAP
Boilers | Cast Iron Base
EN Installation Manual

2
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

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CONTENTS
1 SAFETY INFORMATION AND PRECAUTIONS ................................................. 4
2 DESCRIPTION OF THE APPLIANCE .......................................................... 5
2.1 Description............................................................................................................................................... 5
2.3 Main parts of the boiler............................................................................................................................ 6
2.2 Control panel............................................................................................................................................ 6
2.4 Technical specifications........................................................................................................................... 7
2.5 Identification............................................................................................................................................. 8
2.6 Material supplied ..................................................................................................................................... 8
2.7 Handling................................................................................................................................................... 9
2.8 Overall dimensions and water fittings ..................................................................................................... 10
2.9 Water circuit ............................................................................................................................................. 10
2.10 Wiring diagram ........................................................................................................................................ 12
3 INSTALLATION ............................................................................................. 13
3.1 Installation standards............................................................................................................................... 13
3.2 Place of installation .................................................................................................................................. 13
3.3 Installation in existing system .................................................................................................................. 13
3.4 Water connections ................................................................................................................................... 14
3.5 Electrical connections.............................................................................................................................. 14
3.6 Gas connections...................................................................................................................................... 16
3.7 Flue gas vent and air intake .................................................................................................................... 17
3.8 Filling the water circuit............................................................................................................................. 18
3.9 Emptying the water circuit ....................................................................................................................... 18
4 START-UP AND FUNCTIONING .................................................................. 19
4.1 Preliminary checks................................................................................................................................... 19
4.2 Ignition ..................................................................................................................................................... 19
4.3 Final checks............................................................................................................................................. 21
5 SHUT-DOWN................................................................................................. 23
6 MAINTENANCE ............................................................................................ 24
6.1 Scheduled maintenance.......................................................................................................................... 24
6.2 Extraordinary maintenance...................................................................................................................... 24
7 OPTIONAL ACCESSORIES ......................................................................... 25

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1 SAFETY INFORMATION AND PRECAUTIONS
bThis manual and the operation manu-
al associated with it form integral parts
of the product. Make sure that they are
always kept with the boiler even if it is
transferred to another owner or user, or
re-installed elsewhere. If you damage or
lose this manual, order a replacement
immediately from your local Technical
Assistance Service.
bThe boiler must only be installed and ser-
viced by qualified personnel, in conform-
ity to applicable legislation and applica-
ble technical standards.
bThe boiler must only be used for the pur-
pose for which it is designed. The man-
ufacturer declines all responsibility, con-
tractual or other, for damage to property
or injury to persons or animals caused by
improper installation, adjustment, mainte-
nance or use.
bAs soon as you open the packaging,
check immediately that the contents are
all present and undamaged. Contact the
reseller from whom you purchased the
product if you notice any problems.
bThe safety valve must be connected to a
suitable collection and drain system. The
manufacturer declines all responsibility
for damage caused by the operation of
an improperly connected safety valve.
bThe following instructions must be passed
on to the user on installation of the boiler:
- if water leaks from the boiler, turn off the
water supply and contact the manufactur-
er’s Technical Assistance Service imme-
diately.
- periodically check that operating pres-
sure in the water circuit is over 1 bar. If
necessary, contact the manufacturer’s
Technical Assistance Service to arrange
servicing by professionally qualified per-
sonnel.
- if the boiler is not going to be used
for an extended period of time, contact
the manufacturer’s Technical Assistance
Service to have at least the following
operations performed:
• switch the boiler OFF at the control
panel and at the mains power switch
• close the boiler’s fuel cock, central heat-
ing circuit shut-off cock and domestic hot
water circuit shut-off cock
• empty the central heating circuit and
domestic hot water circuit if there is any
risk of freezing
- the boiler must be serviced at least
once a year. Servicing must be arranged
in advance with the manufacturer’s
Technical Assistance Service
Observe the following precautions to ensure
safe operation of the boiler:
aDo not allow children or uninformed per-
sons to operate the boiler
aDo not operate any electrical devic-
es or equipment, including switches or
domestic appliances, etc., if you can
smell fuel or fumes. In the event of a
gas leak, thoroughly ventilate the room
by opening wide all doors and windows,
close the gas shut-off valve and call
the manufacturer’s Technical Assistance
Service immediately to arrange urgent
assistance by professionally qualified
personnel
aDo not touch the boiler while barefoot or
wet
aNever clean the boiler without first dis-
connecting it from the mains electrici-
ty supply by turning the mains power
switch and the control panel switch OFF
aDo not tamper with or adjust the boiler’s
safety or control devices without prior
authorisation and instructions from the
manufacturer
aDo not pull, disconnect, or twist the
electrical cables coming from the boiler
even if it is disconnected from the mains
electricity supply.
aDo not obstruct or restrict vents in
the room where the boiler is installed.
Adequate ventilation is essential for cor-
rect combustion.
aDo not store containers of flammable
substances in the room where the boiler
is installed.
aDo not dispose of packaging material
into the environment, or leave it within the
reach of children, since it can become a
potential hazard. Dispose of packaging
material in compliance with applicable
legislation.

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2 DESCRIPTION OF THE APPLIANCE
2.1
Description
NOVELLA RAP boilers are gas fuelled boil-
ers for domestic heating. They are equipped
with an atmospheric burner and a cast iron
primary heat exchanger.
They incorporate an open (type B11BS) com-
bustion chamber and are fitted with a hood
that ensures proper flue gas venting even
with a fluctuating flue draught.
They are also equipped with a flue gas
thermostat, as required by applicable safety
standards. The burner is a stainless steel unit
with stabilised flame and smooth ignition. The
flame detection system is of the thermocou-
ple type.
The boiler’s control and safety devices con-
form to applicable technical and safety stand-
ards and are enclosed in a functional control
panel integrated in the body of the appliance
NOVELLA boilers use total shut-down logic
and do not waste energy because they only
start up when heat is actually needed by the
central heating system (i.e. when the room
thermostat trips).
NOVELLA boilers can be connected to a
storage cylinder to produce domestic hot
water, and can be equipped with temperature
controllers in the form of specific accessories.
Installation, maintenance and access to inter-
nal components is facilitated by a large front
panel.
The key features of these boilers include:
- piezoelectric ignition with thermocouple
flame control
- gas supply solenoid valve with built-in pres-
sure stabiliser and double shutter for burner
control
- central heating circuit temperature control-
ler
- central heating circuit temperature gauge
- provision for room thermostat or timer.

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2.2
Control panel
2.3
Main parts of the boiler
Key
1 Control panel
2 Boiler temperature sensor socket
3 Piezoelectric ignition system
4 Safety thermostat
5 Water circuit drain cock
6 Thermocouple
7 Burner
8 Gas supply solenoid valve
9 Name plate
Key
10 Main switch
11 Central heating temperature control
12 Central heating temperature gauge
13 Flue gas thermostat (manual reset)
14 LED indicator (flue gas temperature alarm)
15 LED indicator (mains power)
1
2
3
4
5
6
7
8
9
10 11 12 13
1415

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Parameter 55 64 71
Liquid gas Liquid gas Liquid gas
G20 G30 G31 G20 G30 G31 G20 G30 G31
Lower Wobbe index
(at 15 °C - 1013 mbar) MJ/m3 45,7 80,9 71,0 45,7 80,9 71,0 45,7 80,9 71,0
Rated supply pressure mbar 20 28 37 20 28 37 20 28 37
mm H2O (203,9) (285,5) (377,3) (203,9) (285,5) (377,3) (203,9) (285,5) (377,3)
Minimum supply pressure mbar 13,5 13,5 13,5
mm H2O (137,7) (137,7) (137,7)
Main burner - 2 nozzles Ø mm 4,60 2,60** 2,60** 5,00 2,85** 2,85** 5,40 3,00** 3,00**
Maximum gas flow rate, CH (*) m3/h 6,40 7,40 8,29
kg/h 4,50 4,50 5,50 5,50 6,20 6,20
Maximum pressure downstream from
valve in central heating mode mbar ∆p 12,5 25,5 34,0 12,8 25,5 34,5 12,5 24,5 34,0
mm H2O ∆p 127 260 346 130 260 351 127 250 346
2.4
Technical specifications
(*) Temperature 15°C; Pressure 1013 mbar
Description
55 64 71
Rated heat input in central heating mode kW 61,0 70,5 79,0
kcal/h 52460 60630 67940
Rated heat output in central heating mode kW 55,0 63,5 71,1
kcal/h 47300 54600 61150
Consumption W 23
Boiler class II 2H3+
Power supply V ~ Hz 230 ~ 50
Index of protection IP 40
Losses from stack and casing with burner off % 1,12 1,26 1,05
Central heating section
Maximum working pressure - Maximum temperature bar - °C 3 - 100
CH water temperature adjustment range °C 34-82
Gas pressure
Rated gas pressure (G20) mbar 20
Rated gas pressure (G30 - G31) mbar 28-30/37
Water connections
CH circuit flow - CH circuit return Ø 1"1/4
Gas supply Ø 1/2" 3/4"
Emissions with G20 gas
CO s.a. below p.p.m. 34 31 52
CO2% 4,90 5,75 5,70
NOx (according to EN 297) class 1
Flue gas ∆t °C 113 123 130
Boiler dimensions
Height mm 850
Width mm 450
Depth mm 712 795 878
Weight kg 190 225 251

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2.5
Identification
NOVELLA boilers are identified by a product
name plate giving the boiler’s serial number,
model and main technical and performance
data.
bIt is essential to specify the correct
model of boiler when ordering spare
parts or requesting technical assis-
tance. If the name plate or any other
means of clearly identifying the prod-
uct is defaced, removed or lost, proper
installation and servicing may be ren-
dered difficult.
Fig. 2.4
2.6
Material supplied
The boiler is delivered in a wooden cage.
Proceed as follows to remove this:
- remove the staples fixing the wooden cage
to the pallet
- lift off the wooden cage.
The following items are delivered in a plastic
bag inside the boiler:
- Operation manual
- LPG conversion kit (nozzles, label, seals)
- 2 boiler lifting eyebolts.
bInstruction manuals are integral parts of
the boiler. On unpacking, locate the
manuals and keep them safe.
Description 55 64 71
Net weight kg 190 225 251
Gross weight kg 207 243 271
Fig. 2.3

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2.7
Handling
Once you have removed the packaging, pro-
ceed as follows to handle the boiler:
- remove the screws securing the boiler to
the wooden pallet
- remove the front panel (P) and top panel (C)
from the casing (fig. 2.5)
- unscrew the nut (A) from the top front
tie-rod(fig. 2.6)
- fit one of the lifting plates (B) over the end
of the tie-rod (C) (fig. 2.6)
- screw the nut (A) back on (fig. 2.6)
- unscrew the nut (D) from the top rear tie-
rod (fig. 2.7)
- fit the second lifting plate (E) over the end
of the tie-rod (F). Make sure that the sec-
ond lifting plate is diagonally opposite that
fitted previously (fig. 2.7)
- screw the nut (D) back on (fig. 2.7)
- lift the boiler using a 1" pipe (G) inserted
through the two lifting plates (fig. 2.8)
- once the boiler is in its final installation
position, reverse the above steps to remove
the two lifting plates. Securely tighten the
nuts.
bWear suitable personal protective equip-
ment and use suitable safety devices.
Fig. 2.5
Fig. 2.6
Fig. 2.7
Fig. 2.8

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Description 55 64 71
A mm 712 795 878
B mm 260 302 342
2.8
Overall dimensions and water fittings
Fig. 2.9
2.9
Water circuit
Key
A Water circuit drain cock
B CH circuit temperature control sensor
C Safety thermostat sensor
D CH circuit temperature gauge sensor
MI CH flow
RI CH return
GAS Gas supply
Fig. 2.10
GAS
MI
RI