LAMBORGHINI Vela XN 24 MB/IT Manual

CALDAIA MURALE A GAS CON BOLLITORE AD ACCUMULO - ALTO RENDIMENTO - MODULANT
EWALL-HUNG GAS BOILER WITH HOT WATER STORAGE TANK - HIGH EFFICIENCY - MODULATING UNIT
CALDERA MURAL A GAS CON ACUMULADOR - ALTO RENDIMIENTO - MODULANTE
CALDEIRA DE PAREDE A GÁS COM TERMOACUMULADOR - ALTO RENDIMENTO - MODULANTE
MANUALE DI
INSTALLAZIONE E
MANUTENZIONE
PREGASI CONSEGNARE
L'INSERTO "MANUALE D'USO"
AL SIG. UTENTE
TENGAN LA AMABILIDAD
DE ENTREGARLE AL USUARIO
EL FOLLETO “MANUAL DE USO”
PLEASE MAKE SURE THAT
THE “USE MANUAL” IS
HANDED OVER TO THE USER
FAVOR ENTREGAR O
“MANUAL DE USO”
AO SR. UTENTE
INSTALLATION
AND MAINTENANCE
MANUAL
MANUAL PARA
LA INSTALACIÓN Y EL
MANTENIMIENTO
MANUAL DE
INSTALAÇÃO E
MANUTENÇÃO
N 24 MB/IT

Read carefully all warnings and instructions contained in this manual as they give
important instructions regarding safety, installation and maintenance. Keep this manual
for future reference. Installation must be carried out by qualified personnel who will
be responsible for respecting existing safety regulations.
GB
ENGLISH

24
Congratulations....
......on an excellent choice. We thank you for the preference accorded to our products.
LAMBORGHINI CALORECLIMA has been actively present in Italy and throughout the world
since 1959 with a widespread network of agents and concessionary agents to constantly
guarantee the presence of our product on the market.
Alongside this is the support of a technical service, “LAMBORGHINI SERVICE”, which is
entrusted with the qualified servicing of the product.
For the installation and positioning of the boiler:
CAREFULLY OBSERVE THE LOCAL REGULATIONS IN FORCE
INDEX PAGE
GENERAL INSTRUCTIONS _____________________________________________ 25
DESCRIPTION _______________________________________________________ 26
MAIN COMPONENTS ________________________________________________ 27
DIMENSIONS _______________________________________________________ 28
TECHNICAL FEATURES ________________________________________________ 28
GAS - NOZZLE CALIBRATION __________________________________________ 29
ELECTRICAL CONNECTIONS - WIRING DIAGRAMS _______________________ 30
MALFUNCTIONS AND ADJUSTMENTS __________________________________ 32
WATER CONNECTION _______________________________________________ 33
WATER CIRCUIT ______________________________________________________ 34
INSTALLATION _______________________________________________________ 35
START-UP ___________________________________________________________ 35
FLUE EXHAUST CONNECTION _________________________________________ 36
ADJUSTMENTS ______________________________________________________ 37
SWITCHING OFF ____________________________________________________ 38
MAINTENANCE _____________________________________________________ 38
KNOB ASSEMBLY INSTRUCTIONS ______________________________________ 39
OPERATION WITH DIFFERENT TYPES OF GAS ____________________________ 41
FAULT-FINDING CHART _______________________________________________ 42

25
GENERAL INSTRUCTIONS
●This booklet constitutes an integral and essential part of the product.
Read carefully the instructions contained in this booklet as they provide important directions
regarding the safety of installation, use and maintenance. Preserve this booklet with care for any
further consultation. The installation of the boiler must be carried out in compliance with current
regulations, according to the instructions of the manufacturer and by qualified personnel. An
incorrect installation can cause injury or damage to persons, animals and objects, for which the
manufacturer cannot be held responsible.
●After removing the packaging materials, check the content integrity. In case of doubt, do not use
the unit and contact the supplier. The packaging material (wooden crates, nails, clips, plastic
bags, foam, etc.) must not be left within reach of children as they are potential sources of danger.
●This boiler is designed to heat water to a temperature below boiling (atmospheric pressure). It
must be connected to a heating system compatible with its performances and output.
●This appliance should be destined only for the use for which it has been expressly envisaged. Any
other use is to be considered improper and therefore dangerous. The manufacturer cannot be
considered responsible for any damages caused from improper, erroneous or unreasonable use.
ALL INSTALLATION, MAINTENANCE AND GAS CONVERSION OPERATIONS MUST BE CARRIED OUT
BY AUTHORISED SKILLED TECHNICIANS.
TO ENSURE THAT BOILER IS INSTALLED CORRECTLY AND THAT IT FUNCTIONS PROPERLY, WE
RECOMMEND THAT ONLY LAMBORGHINI ACCESSORIES AND SPARE PARTS BE USED.
ON NOTICING THE SMELL OF GAS DO NOT TOUCH ANY ELECTRIC SWITCH. OPEN DOORS AND
WINDOWS. SHUT OFF THE GAS TAPS.
INSTALL THE BOILER ON WALLS WHICH ARE AS WIDE AS OR WIDER THAN THE BOILER ITSELF.

26
DESCRIPTION
These boilers are fully automatic and gas control is effected by an electronic control unit having the
following characteristics:
-continuous modulation mode on both circuits;
-possibility to adjust the heating output;
-possibility to adjust the slow ignition;
-“anti-Legionnaire’s” function
They are equipped with:
-Safety flow-switch;
-Total safety thermostat;
-High efficiency flue gas exchanger;
-60-liter tank in stainless steel for plenty of hot water
-Electric 3-way valve
VELA X N 24 MB W TOP
Electronic ignition with ionisation flame control.
Combustion and fume discharge are of the atmospheric type. Fitted with FLUE CONTROL fume evacu-
ation device.
FLUE CONTROL THERMOSTAT
VELA X N MB boilers are fitted with the FLUE CONTROL device to control evacuation of fumes. An
increase in fume temperature in the down-draught diverter indicates an anomaly in fume evacuation.
The FLUE CONTROL probe in the down-draught diverter detects variations in temperature and shuts
down the boiler. Efficient operation of this safety system depends on observance of the following:
-Do not deactivate the FLUE CONTROL thermostat.
-Inspect the boiler and the flue immediately if the FLUE CONTROL device trips frequently.
-If the FLUE CONTROL device is changed make sure you observe assembly and probe positioning
instructions carefully and use only original LAMBORGHINI spare parts.
If there is a fume evacuation anomaly act quickly to prevent the formation of Carbon Monoxide, a
poisonous gas that causes intoxication and potentially fatal harm to both humans and animals.

27
MAIN COMPONENTS
LEGEND
1Hot water expansion tank
2Water-heater sensor
3Heating expansion tank
4Flue control
5Delivery sensor
6Burner
7Circulator
8Electric 3-way valve
9Automatic by-pass
10 Safety flow-switch
11 Modulating coil
12 Gas valve
13 Hot water circuit:
- 8-bar safety valve
- Non-return valve
- Inspection filter
14 Total safety thermostat
15 Fume exchanger
16 Stainless steel water-heater
17 Thermohydrometer
18 Malfunction warning light
19 ON/OFF warning light
20 Lock-out warning light
21 Hot water adjustment potentiometer
22 Function selector
23 Heating adjustment potentiometer
1
2
35
P
E
T
S
1
P
E
T
S
1
10 9111213
7
8
4
6
14
15
16
17232221
181920

28
DIMENSIONS mm
CIRCULATING PUMP FEATURES
System delivery/pressure
300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
600
500
400
300
200
100
Residual pressure mbarr
Delivery (l/h)
Boiler version: mod. MB type B11 BS Max. water temperature 90°C
Rated gas pressure: Natural gas 20 mbar
Category: II 2H3+ B 28/30 mbar - P 37 mbar
TECHNICAL FEATURES
MODELL
Input Output
kW kcal/h kW kcal/h l kg
Hot
water
l
kW kW kcal/h
Operating
pressure
Heating
circuit
max.
Hot
water
circuit
bar bar
Thermal capacity Min. thermal
capacity Hot water supply Expansion
tank
Weight
Input Output
kcal/h
VELA X N 24
26
22360
23,4 20124 12,1 10406 10,43 8970 388263
Peak output
in first 10
minutes
Supply
∆ 30 °C
Water
heater
capacity
ll
l/min
Heating
60
10 150
VELA X N 24 MB W TOP/IT
Operation of safety flow switch: minimum ∆P 1,2 mt.

29
The boilers leave the factory calibrated and ready to operate with NATURAL GAS and LIQUID GAS.
For proper calibration, see the table below:
BURNER PRESSURE CURVES - OUTPUT
GAS - NOZZLE CALIBRATION
Slow ignition adjustment
3 mbars NATURAL GAS
7 mbars LIQUID GAS
VELA X N 24 MB
10 kW
mbar
2,5
11
5,5
23,7
2515 20
10
5
GN 11
0
15
20
25 B 23,7
kPa
30 35
0
30
35
1
0,5
0
1,5
2
2,5
3
3,5
1
31,4 P 31,4
0,1
1009DIS1385
7,2
Jets pressure mbar
Gas type
NATURAL GAS
(G20-20mbar)
LIQUID GAS B
(G30-28/30mbar)
LIQUID GAS P
(G31-37mbar)
Burner jets L.C.V.
kcal/m3
8.550
29.330
22.360
Delivery
VELA X N 24
max.
11
23,7
31,4
2,5
5,5
7,2
min. m3/h
2,6
0,76
1
VELA X N 24
Ø mm.
1,25
0,77
0,77
VELA X N 24

30
ELECTRICAL CONNECTIONS - WIRING DIAGRAMS
The boiler must be connected to an earthed, single-phase 230V - 50 Hz mains supply by means of a
three-wire cable, ensuring that connections to the LINE and NEUTRAL terminals are made correctly.
A bipolar switch must be used with contacts opening to at least 3 mm.
The power lead must only be replaced by another with the following characteristics: “HAR H05 vv-F” 3
x 1.00 mm2. (You are strongly advised to use original LAMBORGHINI accessories and spare parts
only).
Installation must be made in compliance with safety REGULATIONS IN FORCE.
Make a good earth connection.
To gain access to the electrical panel which houses the power supply terminal block and any connection to a
room thermostat, proceed as follows:
Voltage
V
230
Frequency Absorbed power
kW
Hz
Noise level
dB (A)
●Disconnect the boiler power
supply
●Undo the two grating screws
(fig.1)
●Undo the four shell attachment
screws A(fig.2)
●Remove the shell (fig.3)
●To gain access to the electrical
and electronic components
loosen screws Band pull the
entire panel outwards (fig.4).
Tilt it downwards and undo the
screws Con the cover D
fig.3 fig.4
50
fig.1 fig.2
fig.5
VELA X N 24
51
Protection
index
IP
44
VELA X N 24
0,120
D
C
B
B
A
A

31
L
N
F
TA
CiR VG
TL
TST
321
VD
RLA Timer
SS
SM
BM
Rmax
FC
FL
X
Risc. Sanit.
EA
EC
Resist.
1 kohm
JP1
JP2
ASSEMBLY DIAGRAM
LEGEND
BM Modulating coil
CiR Heating circulator
EA Ignition electrode
EC Control electrode
FFuse
FC Flue control
FL Safety flow-switch
JP1 Methane/LPG selector
JP2 Post-circulation selector
LLine 230 V 50 Hz
NNeutral
RLA Slow ignition adjustment
Rmax. Heating max. power adjustment
SM Delivery sensor
SS Hot water sensor
TA Room thermostat (if any)
TL Limit thermostat (if any)
TST Safety thermostat
Timer Boiler timer adjustment
VD 3-way valve
VG Gas valve
XResistor to be cut for low
temperatures
1Heating potentiometer
2Selector: Off
Summer
Winter
Reset
Test
3Hot water potentiometer
Jumper to be cut
if limit thermostat
is required
Panel
connection
CONTROL PANEL
Lock-out warning light ON/OFF
warning light Malfunction warning light

32
MULFUNCTIONS AND ADJUSTMENTS
Constant light: Ignition
shutdown
Fast flashing light:
Sensor fault
Slowly flashing light:
Flue control
Should the boiler shut down it must be reset by rotating function selector to the reset position A.
A
RLA
Timer
On GPL - Off METHANE
On
(post-circ. off)
heating
Off
post-circ.
on 2.5 minutes
JP2
JP1
Resistor R150 cut, floor heating temp. set to 30/40°C.
Resistor R150 uncut, heating temperature 35/80°C
Aumento
Increase
Legend:
OffOn
Slow ignition adjustment
Boiler timer adjustment
R máx
Increase Heating power adjustment
Constant light: No water
circulation or modulating
coil
TimerRLA
JP1
Rmax JP2
X
Fast flashing light: TST
shutdown

33
WATER CONNECTION
Fit the supporting hooks and attach the assembly template, moving it up to the wall; fit all the pipes,
starting with the end pipe fittings already mounted on the template: system supply, system return, cold
water, hot water, any gas pipes and electric mains leads with room thermostat.
Once the pipes have been fitted, the end pipe fittings can be removed and ordinary caps fitted, ready
for hydraulic tests to be carried out. The template can be removed or, if left in place, will be embedded
in the wall once finishing operations have been completed (plaster and tiles); only the two supporting
hooks will protrude from the wall, as well as an opening for the connections. Attach the boiler to the
hooks through the holes at the back of the frame and push it up against the finished wall. Make the
necessary hydraulic connections.
ADVICE AND SUGGESTIONS ON PREVENTING SYSTEM VIBRATION AND NOISE
126
226
452
21,5
900
600
476 62
GS
62
MR
AE
CGF
24,5
854
304
382
522
-Do not use pipes of reduced diam-
eter.
-Do not use low-radius elbows or fit-
tings that significantly reduce cross-
section.
-Hot-flushing of the system is recom-
mended in order to eliminate any
impurities from the piping and radia-
tors (especially oil and grease) which
might damage the circulator.
LEGEND
CHot water Ø 1/2”
GGas Ø 1/2” - Ø 3/4” (see tap
supplied with the boiler)
FBoiler water supply Ø 1/2" (cold)
AE Electrical supply
MSystem delivery Ø 3/4"
RSystem return Ø 3/4"
GS Holding hooks Ø10 mm.
NOTE: Provide female water connections.

34
WATER CIRCUIT
30
4
6
1
2
35
9 10 11
13
14
15
16
17
19
18
2021
22
23
24
AB C DE
29
28
7
8
LEGEND
AHot water outlet
BCold water inlet
CGas
DSystem return
ESystem delivery
1Magnesium anode
2Water-heater sensor
3Stainless steel water-heater
4Ignition electrode
5Detection electrode
6Exchanger gas/water
7Flue hood
8Flue control
9Thermometer
10 Delivery sensor
11 Total safety thermostat
13 Burner
14 Heating expansion tank
15 Automatic air bleed valve
16 Circulator
17 Heating safety valve
18 Pressostato differenziale aqua
19 Filling tap
20 Electric 3-way valve
21 Modulating coil
22 Gas valve
23 Pressure reading point
24 Hot water safety valve
28 Drain tap boiler
29 Hydrometer
30 Hot water expansion tank

35
INSTALLATION
To be carried out by qualified personnel.
The installation must be in compliance with the stipulations of the law regarding the evacuation of
combustion materials according to the REGULATIONS IN FORCE.
The gas fume evacuation must be effected with a pipe of a diameter not less than that required by the
boiler and it must be connected to a flue pipe suitable for the capacity of the installation.
For connection of appliances to smoke conduits:
a) they must be easy to dismantle;
b) they must be sealed and of a material able to resist the products of combustion and their possible
condensation;
c) they must not have regulation devices (gate valves). If such devices are already in operation they
must be eliminated;
d) the connection itself must not protrude inside the flue pipe but stop before the internal face of the
same.
GAS CONNECTION
Carry out the gas connection in accordance with the regulations in force.
The boiler must be connected to the installation with a rigid metal pipe or a flexible stainless steel pipe
with continuous wall of the approved type. The flexible corrugated metal pipes must be installed in such
a way that their length, in a state of maximum extension, is not greater than 2000 mm. The boilers are
calibrated and tested to function with NATURAL GAS and LIQUID GAS, category II 2H3+, with rated
pressures of 20 mbars, 28/30 mbars and 37 mbars respectively.
PUTTING THE BOILER INTO SERVICE
●Proceed with the clearing out of air.
●Check that there are no gas leaks
(use a soapy solution or equivalent product).
START-UP
REFILLING INSTALLATION
Open the supply tap slowly until the pressure of the installation, indicated by the hydrometer, is raised
to the value of 1.5 bar, then close it again. Verify that the automatic air bleed valve on the circulator
has its cap loosened. Operate the circulator repeatedly to release any air remaining in the circuit.
SWITCHING ON
Open the gas tap and turn the selector switch to the desired position. The burner will ignite automatically.
Should the burner fail to ignite check the lock-out warning light to see whether it is on, and if so turn the
selector switch to the RESET position so that the boiler repeats the ignition sequence.
Then, adjust heating and hot water temperatures as desired via the appropriate controls.

36
1009DIS55
FLUE EXHAUST CONNECTION
The boiler is envisaged being connected to a chimney and/or a flue pipe; the combustion fumes can also be
discharged directly outside.
The joining to the chimney or flue pipe must be made with a smoke conduit having the following features:
●of being sealed airtight, as with the connection to the chimney itself;
●of being of suitable material;
●of being connected within sight;
●of having changes in direction, not more than 3 no., which must be carried out with internal angles
greater than 90°and with the use of curved elements;
●of not having any intercepting devices;
●of having the axis at the entrance of the terminal section perpendicular to the opposite internal wall of the
chimney;
●of being firmly fixed and sealed at the entrance, without protruding beyond the inner walls of the chimney;
●of receiving preferably one boiler only;
●of observing the local regulations in force.
WARNING:This unit is fitted with a Flue Control device to control flue draught. This is tripped when there is
a risk of combustion fume backflow. This device must never be deactivated. If combustion fumes
re-enter the room they may cause chronic or acute intoxication and can be fatal. If the Flue
Control device is changed use only original spare parts. If the device trips repeatedly check for
proper fume outflow via the chimney flue and contact a Lamborghini Service Centre.
Flue pipe or
chimney
NO
YES
Ø 130 mm * 3%
1000 mm
min. 260 mm*
Hmax. 2500 mm
4
* = VELA X N 24

37
TimerRLA
JP1
Rmax JP2
X
ADJUSTMENTS
Note: For this calibration it is necessary to use a water column pressure gauge connected to the
pressure plug.
The boilers have a fast opening gas valve. The necessary calibration for gas flow-rate may be obtained
from a double modulator coil. Calibration of the slow ignition (pre-calibrated in the factory) is
electronically done and is adjustable (for optimising and for gas type conversion) by the trimmer RLA
on the electronic board. The necessary thermal output for the heating system can be regulated by
manipulating the trimmer R MAX. All the boilers are calibrated in the factory to release 70% of their
maximum heating capacity. By manipulating the trimmer timer the waiting time for re-starting the
boiler may be varied. All adjustments must be made on the basis of the specific characteristics of the
apparatus in use. It is necessary to check the inlet and outlet pressures at the pressure plugs. After
checking, tighten the bolts properly.
ADJUSTMENT OF OUTLET PRESSURE
Maximum pressure:
●Turn the function selector to the TEST position. TEST function remains on for max. 15 minutes.
●Feed the modulating device with correct power supply.
●By turning nut Bclockwise (use a 10 mm wrench), the outlet pressure increases.
Minimum pressure screw A(adjust only after the calibration of the maximum outlet pressure has been
completed):
●Disconnect modulator power supply.
●While blocking the nut Bwith a wrench, turn the screw Aclockwise to increase the outlet pressure.
After calibration:
●Check the maximum and the minimum pressures and adjust them if necessary.
●Fit the plastic cap C.
●Rotate the function selector to the desired position.
Adjustment trimmer RLA
Adjustment trimmer R. MAX
Adjustment trimmer Timer
A
B
C

38
SWITCHING OFF
PROLONGED SWITCHING OFF
If the boiler should remain inactive at length close the gas tap and disconnect power supply of the
appliance.
TEMPORARY SWITCHING ON/OFF
Proceed in one of the following ways:
●use the room thermostat;
●use the adjustment potentiometers (on the instrument panel).
NOTE: with a new boiler or after a long period
of inactivity, one can check for the
locking of the circulating pump. In this
case it is necessary to unscrew the front
stopper and make the motor shaft ro-
tate with a screwdriver.
MAINTENANCE
To ensure long-lasting product functionality and efficiency within the limits prescribed by the laws and
standards in force, the unit must undergo regular maintenance.
Frequency of inspection depends on the specific conditions of installation and use but it is advisable to
have the unit checked once a year by authorised Lamborghini Service personnel. Only properly quali-
fied personnel with specific knowledge in the field of safety, efficiency, environmental hygiene and
combustion may carry out work on the unit. To ensure proper maintenance it is also required that such
personnel be fully updated on the constructive and functional characteristics of the boiler.
Should work or maintenance be carried out on any structures situated near fume ducts and/or fume
discharge devices and their accessories always switch off the boiler and, when work is over, have its
efficiency checked by qualified personnel
IMPORTANT: before doing any cleaning or maintenance work on the unit switch off the electrical power
supply via the switch on the boiler itself. Shut off the gas supply by closing the tap on the boiler. The
above stated work generally involves the following:
-removal of any oxidation from burners
-removal of any encrustation from heat exchangers
-checking connections between the various air/fume pipes
-general pipe cleaning

39
-checking general external appearance of boiler
-checking for proper ignition, shutdown and operation of both hot water and heating functions
-checking for proper seal on gas/water fittings and pipes.
-checking gas consumption at minimum and maximum power
-checking position of ignition electrode
-checking position of detection electrode
-checking combustion and efficiency parameters
-checking the no-gas safety device
-checking combustion fumes outlet safety device
-water system pressure
-expansion tank efficiency
-checking for proper operation of safety and adjustment thermostats
-checking for proper circulation pump operation
-checking that no gas whatsoever leaks from the unit and no combustion gas leaks from the down-
draught diverter or the boiler-flue connection.
-checking gas flow rate.
Do not clean the unit and/or its component parts with easily inflammable substances (e.g. petrol,
alcohol etc.)
Do not clean panelling, painted and plastic parts with paint diluents.
Clean the panelling with soapy water only.
KNOB ASSEMBLY INSTRUCTIONS
If the electronic display board (A) is replaced, the knobs and the control board must be correctly positioned
during reassembly.
Before reassembling the new display board, zero set the potentiometers (trimmers) by turning anticlockwise as
illustrated in the figure:
R05
R04
R2
R1
P2
R01
R02
R03
LD1
R5
P1 P3
LD2LD3
J1
U1 R3
R4
R6
Turn the trimmers to zero set.
Red Led Green Led Yellow Led
(A)
Potentiometers

40
If a room thermostat is installed we recommend our chronothermostat CLASS PIU’ which, in addition to
guaranteeing the comfort of a precise regulation of temperature, offers a notable range of heating
programmes; alternatively use a programming digital timer.
ATTENTION. The room thermostat with 230 V mains supply must be connected to the earth terminal,
or use a class II room thermostat.
Chronothermostat CLASS PIU’ (accessory)
Then remove the knobs from the front panel. Screw the display board onto the back of the panel and insert the
knobs so that the arrows on the knobs are set at the minimum value (zero).
Enlarged detail of the cor-
rect knob pin -
potentiometer housing
coupling as described in
the instructions above.
Trimmer
Knob pin
Pin housing on the
trimmer
Knob
Arrow

41
OPERATION WITH DIFFERENT TYPES OF GAS
CONVERSION FROM NATURAL GAS TO LIQUID GAS
Replace the burner jets, insert the diaphragm as illustrated in the diagram included with the relevant kit.
Shift the jumper JP1 on the modulating board from the NATURAL GAS position to the B-P position.
Then adjust properly as described in the “ADJUSTMENT” chapter on page 37.
For information on jets diameter and working gas pressure see the table below.
COMPONENTS FOR OPERATION ON LIQUID GAS
Gas valve
Gasket
Gas diaphragm
Gasket
H
Jets pressure mbar
Gas type
NATURAL GAS
(G20-20mbar)
LIQUID GAS B
(G30-28/30mbar)
LIQUID GAS P
(G31-37mbar)
L.C.V.
kcal/m3
8.550
29.330
22.360
Delivery
2,6
0,76
1
VELA X N 24
max.
2,5
5,5
7,2
11
23,7
31,4
min. m3/h
VELA X N 24
2
2
2
Ø mm.
VELA X N 24
1,25
0,77
0,77
NOx
class Gas diaphragm H
Ø
-
5,2
5,2
Burner jets VELA X N 24