Immergas LUXOR Series Manuel utilisateur

PELLET BOILERS

LUXOR

Pellet boilers

INDEX

MAIN INDEX

1 LUXOR DESCRIPTION..........................................................................................................................................................................4

2 LUXOR FEATURES.................................................................................................................................................................................5

3 QUALITATIVE FEATURES OF THE PELLET ..................................................................................................................................7

4 LUXOR 16 MAIN DIMENSIONS.........................................................................................................................................................8

5 LUXOR 20  24 MAIN DIMENSIONS .................................................................................................................................................9

6 LUXOR 28  33 MAIN DIMENSIONS ...............................................................................................................................................10

7 HYDRAULIC CONNECTIONS TO THE SYSTEM.........................................................................................................................11

8 ANTI-CONDENSATION VALVE KIT CONNECTION (OPTIONAL)........................................................................................12

9 INSTALLATION ROOM FEATURES................................................................................................................................................13

10 MINIMUM INSTALLATION DISTANCES AND PROVISIONS...................................................................................................14

11 FLUE EXHAUST CONNECTION......................................................................................................................................................15

12 CONNECTION TO THE CHIMNEY................................................................................................................................................16

13 DRAUGHT REGULATOR OPTIONAL .........................................................................................................................................18

14 OPERATING PRINCIPLE....................................................................................................................................................................19

15 FEATURES OF THE INTEGRATED PELLET TANK.....................................................................................................................20

16 LUXOR TECHNICAL DATA...............................................................................................................................................................21

17 PRODUCT LABELLING ......................................................................................................................................................................24

18 AVAILABLE HEAD FLOW RATE GRAPHICS................................................................................................................................26

19 SYSTEM MINIMUM WATER CONTENT AND PUFFER PROBE .............................................................................................27

20 CONTROL PANEL ................................................................................................................................................................................28

21 SAFETY DEVICES.................................................................................................................................................................................29

22 P.C.B. FUNCTIONS...............................................................................................................................................................................31

23 NOTES ON MAINTENANCE AND CLEANING...........................................................................................................................32

24 LUXOR PRACTICAL WIRING DIAGRAM.....................................................................................................................................34

25 OPTIONAL .............................................................................................................................................................................................35

26 COMBINED STORAGE TANK UNIT FEATURES PUFFER.....................................................................................................36

27 OPTIONAL PELLET TANK 350 LITRES  225 Kg..........................................................................................................................42

28 OPTIONAL PELLET TANK 500 LITRES  320 Kg..........................................................................................................................43

29 HYDRAULIC DIAGRAM EXAMPLE: LUXOR + THERMAL SOLAR SYSTEMS....................................................................44

30 HYDRAULIC DIAGRAM EXAMPLE: LUXOR + CONDENSING BOILER..............................................................................45

31 WIRING DIAGRAM EXAMPLE: LUXOR + HEAT PUMP AND SYSTEM MANAGER..........................................................................46

LUXOR

LUXOR is the range of oor standing pellet boilers proposed by

Immergas for room central heating / C.H. systems and for the

production of DHW, with fan assisted open chamber with wide

ame/power modulation range, ideal for new, redevelopment

or in place of obsolete solid fuel generators.

e pellet is a particularly appreciated natural fuel that oers the

following important advantages: high caloric value and reduced

ash residue, savings in running costs, easy to use and nd.

anks to the reduced dimensions and high achievable power

(up to 33 kW), simplicity and ease of installation, the LUXOR

series boilers are the ideal solution for single family homes, but

also for small and medium-sized commercial buildings.

Particular attention to design was paid to search for maximum

energy eciency of the generator, as well as a high autonomy,

up to 56 hours with modulating operation (ref. LUXOR 28

and 33 models) and reduction of extraordinary maintenance

interventions.

All Immergas pellet boilers respect the maximum level of ef-

ciency of UNI EN 303-5 falling within class 5: the standard

classies the solid biomass boilers on the basis of eciency and

emissions of carbon monoxide (CO), gaseous organic carbon

compounds (OGC) and powder produced.

Class 5 is the only one that can benet from the Conto Termico

2.0; alternatively, the LUXOR series boilers can also benet from

the tax deductions in force.

Combined with a puer and possibly with a thermal solar sys-

tem, high levels of eciency can be achieved both from an eco-

logical and performance point of view. e thermal system can

also be integrated with a condensing boiler, providing additional

energy to the puer if renewable energy sources are insucient,

always ensuring maximum comfort at the lowest running costs.

Approved only for indoor installation in suitable technical vol-

umes or in a boiler room, they have an IPX 4D electrical protec-

tion; they are extremely simple to operate combined with very

minimal routine maintenance operations by the end customer.

e microprocessor electronics, allow an excellent control of

temperatures and, thanks to the LCD display always on view, an

excellent visibility of parameters and settings made.

For modern design, a number of dedicated options are available

for completing the system, such as:

• Anti-condensation kit, including mixing valve calibrated at

55 °C;

• Draught regulator kit, recommended on chimneys with long

sections (over 10 metres);

• Separated pellet tank kit with loading auger;

• Pellet loading control unit kit;

• Level sensor kit for pellet loading.

1 LUXOR DESCRIPTION

LUXOR

2 LUXOR FEATURES

Range of pellet boilers formed by 5 central heating / C.H. models

for open room base central heating and high performance fan

assisted (type B23), (up to 92.1% ref. model LUXOR 20), with

power from 16 to 33 kW, which may only be installed inside

technical rooms.

• Operation only and exclusively with 6 mm pellet, it is recom-

mended to use pellet certied in EN PLUS A1 class;

• Carbon steel combustion chamber made of 16 vertical smoke

pipes with variable length according to power;

• Practical mechanical removal systems of unburnt residues of

the heat exchanger thanks to special turbulators placed inside

the smoke pipes, driven by a manual pipe scraper lever;

• Brazier with cast iron crucible, removable for its cleaning;

• Practical ash drawer under the crucible where combustion

takes place;

• High eciency heat exchanger characterised by wide water

passages and relative low clogging risks;

• Wide modulation range (up to about 20% for the LUXOR 33

model);

• Integrated pellet tank with loading auger, with a 46 kg capacity

(LUXOR 16), 60 kg (LUXOR 20 - 24) and 80 kg (LUXOR 28

- 33);

• Maximum autonomy: up to 56 hours wth modulating opera-

tion (ref. LUXOR 28 - 33 models);

• Boiler class 5 (according to EN 303-5) with regard to polluting

emissions and eciency;

• Vermiculite insulated door with double coating and hook

closure with handle;

• Practical top door for pellet loading;

• Grey fully removable panelling (RAL 9600);

LUXOR

• Low power consumption system circulator, preset as standard;

• Automatic air vent valve;

• Insulation with 30 mm thickness non-allergenic synthetic wool

around the heat exchanger body;

• Variable speed suction fan, electronically controlled by inverter

board;

• Automatic pellet conveyor auger controlled by P.C.B.;

• Advanced ignition system thanks to the presence of a ceramic

electrode, with ignition time between 60 and 90 seconds which

ensures speed and reliability over time;

• Control panel that can be installed as required, on the side

panels, right or le, for setting the main settings;

• Self-diagnostics system with display of the operating status

and anomalies;

• Electrical safety against power surges by means of a main fuse;

• IPX 4D electrical insulation rating;

• 2.5 bar safety valve and 8-litre diaphragm expansion vessel /

expansion tank integrated as standard;

• Other standard devices and functions present:

- puer NTC probe;

- 100 °C water limit NTC probe;

- 100 °C water manual reset safety thermostat;

- ue temperature probe (polarised thermocouple);

- ue pressure switch to check correct fan and ue exhaust

circuit operation;

- electronic pressure control of the system by means of pres-

sure transducer;

- antifreeze function;

- pump anti-block function;

- system postcirculation function;

- pre-ventilation function for combustion chamber washing;

- automatic brazier cleaning function.

• Can be combined with a wide range of optional items to com-

plete the system.

It is available in the model:

• LUXOR 16 code 3.028481

• LUXOR 20 code 3.028482

• LUXOR 24 code 3.028483

• LUXOR 28 code 3.028484

• LUXOR 33 code 3.028485

LUXOR

e pellet consists of pressed wooden cylinders, produced

from sawdust and woodworking (shavings and sawdust). Being

obtained from woodworking waste, it respects the ecosystem

because it does not require the knocking down of new trees.

As required by current legislation governing the product features

of fuels, it must be produced exclusively with untreated sawdust,

without other added materials.

e binding capacity of the lignin, contained in wood, allows

to obtain a compact product without adding additives and

chemical substances unrelated to wood: therefore, a high yield

natural fuel is obtained.

Use of poor quality pellets or other unsuitable materials may

damage certain components of the boiler and compromise its

correct operation.

For the Immergas boilers only use with 6mm diameter, 30 mm

long pellets having maximum 6% humidity. Store the pellets

away from sources of heat, and not in humid areas or explosive

environments.

It is recommended to use EN PLUS A1 certied pellets ac-

cording to ISO 17225-2.

3 QUALITATIVE FEATURES OF THE PELLET

Parameter U.M. EN PLUS-A1 EN PLUS-A2

Diameter (D) mm 6 (± 1) 6 (± 1)

Length (L) mm 31,5 ≤ L ≤40 31,5 ≤ L ≤40

Water content (M) %tq 1≤ 10 ≤ 10

Ashes (A) 3 2%ss 1≤ 0.7 ≤ 1.5

Mechanical durability (DU) %tq ≥ 97.5 ≥ 97.5

Fine particles (< 3.15 mm) %tq < 1 < 1

Additives %ss ≤ 2 ≤ 2

Net caloric value (Q) MJ/kg tq 16.5 ≤ Q ≤ 19 16.3 ≤ Q ≤ 19

Apparent density (BD) kg/m3≥ 600 ≥ 600

Nitrogen (N) %ss ≤ 0.3 ≤ 0.5

Sulphur (S) %ss ≤ 0.03 ≤ 0.03

Chlorine (CI) %ss ≤ 0.02 ≤ 0.02

Arsenic (As) %ss < 1 < 1

Cadmium (Cd) %ss ≤ 0.5 ≤ 0.5

Chromium (Cr) %ss ≤ 10 ≤ 10

Copper (Cu) mg/kg ≤ 10 ≤ 10

Lead (Pb) mg/kg ≤ 10 ≤ 10

Mercury (Hg) mg/kg ≤ 10 ≤ 10

Nickel (Ni) mg/kg ≤ 10 ≤ 10

Zinc (Zn) mg/kg ≤ 100 ≤ 100

Melting point of ashes (DT) 3°C ≥ 1200 ≥ 1100

1) tq = as is - ss = dry substance

2) determination at 550 °C

3) in this case the ashes must be produced at 815 °C

LUXOR

4 LUXOR 16 MAIN DIMENSIONS

KEY:

REF. Description

A1 System ow

A2 System return

C Pressure discharge valve

D Combustion air intake

E Flue gas exhaust

F Position of main power supply switch

GControl panel

H Water temperature probe

Iermostat

SYSTEM

RETURN

SYSTEM

FLOW

LUXOR

5 LUXOR 20  24 MAIN DIMENSIONS

KEY:

REF. Description

A1 System ow

A2 System return

C Pressure discharge valve

D Combustion air intake

E Flue gas exhaust

F Position of main power supply switch

GControl panel

H Water temperature probe

Iermostat

SYSTEM

RETURN

SYSTEM

FLOW

A2A1

LUXOR

6 LUXOR 28  33 MAIN DIMENSIONS

KEY:

REF. Description

A1 System ow

A2 System return

C Pressure discharge valve

D Combustion air intake

E Flue gas exhaust

F Position of main power supply switch

GControl panel

H Water temperature probe

Iermostat

A2A1

SYSTEM

RETURN

SYSTEM

FLOW

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