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MANUALE TECNICO

TECNICAL MANUAL

NOTICE TECHNIQUE

MANUAL TECNICO

MEGA PREX N

MEGA PREX NK

DUO PREX N

MEGA PREX SL

CALDAIE PRESSURIZZATE IN ACCIAIO

PRESSURISED STEEL BOILERS

CHAUDIERES PRESSURISÉES EN ACIER

CALDERAS PRESURIZADE EN ACERO

Содержание MEGA PREX N Series

Страница 1: ...ECNICAL MANUAL NOTICE TECHNIQUE MANUAL TECNICO MEGA PREX N MEGA PREX NK DUO PREX N MEGA PREX SL CALDAIE PRESSURIZZATE IN ACCIAIO PRESSURISED STEEL BOILERS CHAUDIERES PRESSURIS ES EN ACIER CALDERAS PRE...

Страница 2: ...2 ITALIANO 3 ENGLISH 26 FRAN AISE 49 ESPA OL 72...

Страница 3: ...12 PANNELLO COMANDO MEGA PREX N MEGA PREX NK MEGA PREX SL 12 DESCRIZIONE FUNZIONI 12 SCHEMA ELETTRICO PER BRUCIATORE E POMPA MONOFASE 12 PRINCIPIO DI FUNZIONAMENTO CALDAIA DUO PREX N 13 PANNELLO COMA...

Страница 4: ...usare danni a persone o cose per il quale il costruttore non responsabile Durante il primo avviamento necessario verificare l efficacia di tutti i dispositivi di regolazione e controllo presenti nel q...

Страница 5: ...K 950 MEGAPREX N 1020 NK 1020 MEGAPREX N 1200 NK 1200 MEGAPREX N 1300 NK 1300 mm 1015 1015 1015 1015 1065 1065 1165 1165 1165 1175 1365 1365 1495 1495 1495 1645 1645 1645 mm 855 855 855 855 905 905 10...

Страница 6: ...no N3Attacco per strumentazione N4Attacco carico scarico impianto N5Attacco per valvole di sicurezza N6Pozzetti portabulbi N8Pozzetto di controllo mm 1630 1630 1630 1760 1760 2030 2030 mm 880 880 880...

Страница 7: ...2 N3 N4 N5 N6 N8 Modello mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm DN in DN in DN in DN in DN in in in MEGA PREX N 4000 2326 2140 1135 1135 150 1980 1780 4310 3596 1105 2200 1005 450 500 400 600 20...

Страница 8: ...REX N 400 DUO PREX N 500 DUO PREX N 600 mm 1693 1693 1693 1793 1793 1793 1993 mm 415 415 415 440 440 440 490 mm 1245 1245 1245 1320 1320 1320 1470 mm 1610 1610 1610 1710 1710 1710 1910 mm 415 415 415...

Страница 9: ...REX SL 230 MEGA PREX SL 290 MEGA PREX SL 340 MEGA PREX SL 400 mm 1360 1360 1450 1450 mm 1200 1200 1290 1290 mm 440 440 460 460 mm 1292 1292 1382 1382 mm 900 900 950 950 mm 155 155 155 155 mm 750 750 8...

Страница 10: ...one nella sala caldaia Il condotto di raccordo della caldaia nella base del camino deve avere un andamento suborizzontale in salita nel senso del flusso dei fumi con pendenza consigliabile non minore...

Страница 11: ...cettazione combustibile N1 Mandata N2 Ritorno N3 Attacco strumentazione N4 Attacco inferiore N4A ricircolo pompa anticondensa N4B attacco vaso espansione N4C carico scarico N5 Attacco valvole di sicur...

Страница 12: ...la caldaia Il termostato di minima arresta la pompa dell im pianto in fase di messa a regime sino al raggiungimento della temperatura in caldaia di 50 C Nel caso di bruciatori e o di pompa impianto tr...

Страница 13: ...olazione TR1 e TR2 hanno un campo di funzionamento da 60 C a 90 C e sono tarabili dall utente mediante manipola frontale Il differenziale di temperatura di ciascun bitermostato fisso e pari a I termos...

Страница 14: ...2 2000 mm 100 6 C B5 Termostato limite inferiore caldaia 1 2000 mm 50 C B6 Termostato limite inferiore caldaia 2 2000 mm 50 C K1 Rel ausiliario bruciatore 1 K2 Rel ausiliario bruciatore 2 P1 Contaore...

Страница 15: ...are per l uso del gas necessario controllare che la linea di adduzione e la rampa gas siano conformi alle norme vigenti in materia controllare che tutte le connessioni del gas siano a tenuta verificar...

Страница 16: ...iame 3 e 5 alla piastra anteriore 1 E possibile infilare e saldare i tubi fumo 7 sulla piastra tubiera posteriore 6 in questo momento con caldaia disposta in verticale oppure con maggior difficolt per...

Страница 17: ...o N1 Mandata N2 Ritorno N3 Attacco per strumentazione N4 Attacco inferiore N5 Attacco per valvole di sicur e vaso d espansione N6 Pozzetti portabulbi MOD 25 30 35 40 50 62 75 85 95 100 120 130 450 500...

Страница 18: ...nello comando Svolgere i capillari dei termo stati e del termometro quindi inserire i bulbi nei pozzetti Montare il pannello 1D come al punto b e poi il pannello 2D verificando l inserimento dei capil...

Страница 19: ...ulla caldaia fissare il quadro comando sul pannello 3S svolgere i capillari del termometro e dei termostati e inserire i bulbi nei pozzetti Montare i pannelli 1D 2D e 3D facendo attenzione all inserim...

Страница 20: ...i dei termostati nei pozzetti 4 e passare i cavi 3 attraverso la caldaia ed il supporto quadro 5 come in figura Fissare sulla caldaia il supporto quadro 5 con le appositi viti 6 Passare i cavi del bru...

Страница 21: ...uperiore al tubo quadro e quella inferiore al longherone della caldaia Inserire il pannello P5 Eseguire i collegamenti elettrici del pannello comandi Montare i pannelli P6 e P7 sul frontale della cald...

Страница 22: ...i nei pozzetti Montare i pannelli 1D 2D e 3D facendo attenzione all inserimento dei capillari nell asola predisposta nel pannello 3D fissare definitivamente il quadro comando al pannello 3D Montare i...

Страница 23: ...trato coibente che diminuisce lo scambio termico del generatore pena lizzandone il rendimento Ci significa che una parte consistente del calore ottenuto dalla combustione non viene integralmente trasf...

Страница 24: ...e Viene riportato un diagramma che in funzione della temperatura dei fumi dell aria e della percentuale di anidride carbonica CO2 determina il rendimento della caldaia senza per considerare le dispers...

Страница 25: ...e deve essere preceduta dalla chiusura dell alimentazione combustibile e dallo scollegamento alla rete elettrica Dato che l economia di esercizio dipende dalla pulizia delle superfici di scambio e dal...

Страница 26: ...000 KCAL H 34 ELECTRICAL CONNECTION 35 MEGA PREX MEGA PREX K MEGA PREX SL CONTROL PANEL 35 OPERATIONS 35 WIRING DIAGRAM FOR BURNER AND SINGLE PHASE PUMP 35 DUO PREX N OPERATING PRINCIPLES 36 DUO PREX...

Страница 27: ...rect installation may cause damage to persons animals or objects for which the manufacturer cannot be held responsible At the first start up all regulation and control devices positioned on the contro...

Страница 28: ...N 950 NK 950 MEGAPREX N 1000 NK 1000 MEGAPREX N 1200 NK 1250 MEGAPREX N 1300 NK 1300 mm 1015 1015 1015 1015 1065 1065 1165 1165 1165 1175 1365 1365 1495 1495 1495 1645 1645 1645 mm 855 855 855 855 90...

Страница 29: ...1760 1760 2030 2030 mm 880 880 880 945 945 1080 1080 mm 880 880 880 945 945 1080 1080 mm 150 150 150 150 150 150 150 mm 1470 1470 1470 1600 1600 1870 1870 mm 1270 1270 1270 1400 1400 1670 1670 mm 2886...

Страница 30: ...1780 4310 3596 1105 2200 1005 450 500 400 600 200 200 50 1 1 4 50 1 2 3 4 1 2 MEGA PREX N 4500 2326 2140 1135 1135 150 1980 1780 4660 3946 1105 2550 1005 500 550 400 600 200 200 50 1 1 4 50 1 2 3 4 1...

Страница 31: ...PREX N 400 DUO PREX N 500 DUO PREX N 600 mm 1693 1693 1693 1793 1793 1793 1993 mm 415 415 415 440 440 440 490 mm 1245 1245 1245 1320 1320 1320 1470 mm 1610 1610 1610 1710 1710 1710 1910 mm 415 415 41...

Страница 32: ...ons MEGA PREX SL 230 MEGA PREX SL 290 MEGA PREX SL 340 MEGA PREX SL 400 mm 1360 1360 1450 1450 mm 1200 1200 1290 1290 mm 440 440 460 460 mm 1292 1292 1382 1382 mm 900 900 950 950 mm 155 155 155 155 mm...

Страница 33: ...urring in the boiler room The connection pipe from the boiler to the base of the flue must slope upwards in the direction of the flue gas flow with recommended gradient of no less than 10 Its path mus...

Страница 34: ...lve or fuel on off valve N1 Flow N2 Return N3 Instrument fitting N4 Lower fitting N4A recirculation anti condensate pump N4B expansion vessel fitting N4C Filling drain N5 Safety valves fitting N6 Bulb...

Страница 35: ...ssure Min pressure thermostat stops the plant pump during start up and until the boiler temperature has reached 50 C In case of three phase burners and or pump or if electrical input exceeds 3A remote...

Страница 36: ...ve an operating range from 60 to 90 and can be set by the user by means of the front knob The temperature differential of each bi thermostat is fixed and approx 7 C Safety thermostats TS1 and TS2 have...

Страница 37: ...afety thermostat 2000 mm 100 6 C B5 1st boiler lower limit thermostat 2000 mm 50 C B6 2nd boiler lower limit thermostat 2000 mm 50 C K1 1st burner auxiliary circuit K2 2nd burner auxiliary circuit P1...

Страница 38: ...ing gas Check that the feeding line and the gas ramp comply with the regulations in force check that all the gas connections are sealed check that the gas pipes are not used as earth connections for e...

Страница 39: ...s 7 can be inserted and welded on the rear plate tube 6 keeping the boiler in upright position or but welding will be more difficult horizontally the choice will depend on the size of premises and the...

Страница 40: ...1 Flow N2 Return N3 Instrument fitting N4 Lower fitting N5 Fitting for safety valve and expansion vessel N6 Bulb wells MOD 25 30 35 40 50 62 75 85 95 100 120 130 450 500 500 545 645 645 690 690 690 79...

Страница 41: ...the control panel uncoil the thermometer and thermostat capillaries and insert the bulbs in the wells Fit panel 1D as indicated under point b fit panel 2D ensuring that the capillaries are inserted in...

Страница 42: ...3S on the boiler fit the control panel on the panel 3S uncoil the thermometer and thermostat capillaries and insert the bulbs in the wells Fit the panels 1D 2D and 3D ensuring that the capillaries are...

Страница 43: ...thermostat bulbs in the pockets 4 and pass the cables 3 through the boiler and the panel bearing 5 see figure Fasten the panel support 5 on the boiler using proper screws 6 Pass the burner cables thr...

Страница 44: ...square tube and the lower fold to the boiler side frame Fit panel P5 Fit the control panel with electrical connections Assemble the panels P6 and P7 on the front side of the boiler Apply the DUO PREX...

Страница 45: ...ries and insert the bulbs in the wells Fit the panels 1D 2D and 3D ensuring that the capillaries are inserted in the slot provided in the panel 3D securing the control panel to panel 3D Fit the panels...

Страница 46: ...reas that overheat Scale creates an insulating layer which reduces the thermal transfer of the generator affecting system effi ciency This means that the heat produced by burning the fuel is not fully...

Страница 47: ...the system efficiency is obtained according to the flue gas temperature the ambient tempe rature and the percentage of carbon dioxide CO2 Dispersions through the boiler casings are not considered Key...

Страница 48: ...electrical mains before starting any cleaning and servicing operations As economic running depends on cleaning of the exchange surfaces and regulation of the burner the following operations should be...

Страница 49: ...MANDE MEGA PREX N MEGA PREX NK MEGA PREX SL 58 DESCRIPTION DES FONCTIONS 58 SCH MA LECTRIQUE POUR BR LEUR ET POMPE MONOPHASE 58 PRINCIPE DE FONCTIONNEMENT CHAUDI RE DUO PREX N 59 TABLEAU DE COMMANDE D...

Страница 50: ...ut causer des dommages aux personnes et aux choses dont le constructeur n est pas responsable Au cours du premier d marrage il est n cessaire de v rifier l efficacit de tous les dispositifs de r glage...

Страница 51: ...EGAPREX N 1020 NK 1020 MEGAPREX N 1200 NK 1200 MEGAPREX N 1300 NK 1300 mm 1015 1015 1015 1015 1065 1065 1165 1165 1165 1175 1365 1365 1495 1495 1495 1645 1645 1645 mm 855 855 855 855 905 905 1005 1005...

Страница 52: ...880 880 945 945 1080 1080 mm 880 880 880 945 945 1080 1080 mm 150 150 150 150 150 150 150 mm 1470 1470 1470 1600 1600 1870 1870 mm 1270 1270 1270 1400 1400 1670 1670 mm 2886 2886 3096 3220 3480 3480...

Страница 53: ...3 P4 P5 P6 b c N1 N2 N3 N4 N5 N6 N8 mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm DN in DN in DN in DN in DN in in in MEGA PREX N 4000 2326 2140 1135 1135 150 1980 1780 4310 3596 1105 2200 1005 450 500...

Страница 54: ...0 DUO PREX N 400 DUO PREX N 500 DUO PREX N 600 mm 1693 1693 1693 1793 1793 1793 1993 mm 415 415 415 440 440 440 490 mm 1245 1245 1245 1320 1320 1320 1470 mm 1610 1610 1610 1710 1710 1710 1910 mm 415 4...

Страница 55: ...EGA PREX SL 230 MEGA PREX SL 290 MEGA PREX SL 340 MEGA PREX SL 400 mm 1360 1360 1450 1450 mm 1200 1200 1290 1290 mm 440 440 460 460 mm 1292 1292 1382 1382 mm 900 900 950 950 mm 155 155 155 155 mm 750...

Страница 56: ...it de raccord de la chaudi re la base de la chemin e doit tre l g rement en pente vers le haut dans le sens du flux des fum es avec une pente de pr f rence non inf rieure 10 Son trac doit tre le plus...

Страница 57: ...ment N2 Retour N3 Raccord des appareils N4 Raccord inf rieur N4A re circulation pompe anticondensation N4B Raccord vase d expansion N4C Remplissage vidange N5 Raccord valves de s curit N6 Regards inst...

Страница 58: ...t de r gler la temp rature de fonctionnement de la chaudi re Le thermostat de minimum arr te la pompe de l installation en phase de d marrage jusqu ce que la En cas de br leurs et ou de pompe d instal...

Страница 59: ...ment de 60 C 90 C et sont r glables par l usager l aide d une poign e frontale Le diff rentiel de temp rature de chaque bi thermostat est fixe et gal environ 7 C Les thermostats de s curit TS1 et TS2...

Страница 60: ...m 100 C 6 C B5 Thermostat limite inf rieure chaudi re n 1 2000 mm 50 C B6 Thermostat limite inf rieure chaudi re n 2 2000 mm 50 C K1 Relais auxiliaire br leur n 1 K2 Relais auxiliaire br leur n 2 P1 C...

Страница 61: ...n combustible ait la bonne dimension pour le d bit maximum n cessaire la chau di re et qu elle soit quip e de tous les dispositifs de s curit et de contr le pr vus par les normes pr c demment cit es V...

Страница 62: ...oment o la chaudi re est verticale ou avec plus de difficult s pour le soudage lorsqu elle est horizontale le choix de l une ou de l autre possibi lit d pend des dimensions de la chaufferie et des ins...

Страница 63: ...ur N3 Raccord instruments N4 Raccord inf rieur et vase d expansion N5 Raccord valve de s curit N6 Regards porte instruments MOD 25 30 35 40 50 62 75 85 95 100 120 130 450 500 500 545 645 645 690 690 6...

Страница 64: ...apillaires des ther mostats et du thermom tre puis introduire les instruments dans les regards Monter les panneaux 1D suivant les instructions du paragraphe b puis le panneau 2D en v rifiant que les c...

Страница 65: ...audi re fixer le tableau de commande sur le panneau d rouler les capillaires du thermom tre et du thermostat et introduire les instruments dans les regards Monter les panneaux 1D 2D et 3D en veillant...

Страница 66: ...s 4 et faire passer les c bles 3 travers la chaudi re et le support du tableau 5 comme indiqu dans la figure Fixer le support du tableau 5 la chaudi re au moyen des vis pr vues cet effet 6 Faire passe...

Страница 67: ...rieur au tuyau carr et le pli inf rieur au longeron de la chaudi re Introduire le panneau P5 Effectuer les branchements lectriques du tableau de commande Monter les panneaux P6 et P7 sur le frontal d...

Страница 68: ...ostat et introduire les instruments dans les regards Monter les panneaux 1D 2D et 3D en veillant introduire les capillaires dans la boucle du panneau 3D fixer le tableau de commande sur le panneau 3D...

Страница 69: ...d air automatiques ou manuels pr vus sur l installation Une fois l air expuls ramener la pression la valeur tablie et fermer le robinet d alimentation manuelle et ou automatique REMPLISSAGE DE L INST...

Страница 70: ...dessous indique le rendement de la chaudi re suivant la temp rature des fum es de l air et du pourcentage d anhydride carbonique CO2 sans toutefois prendre en consid ration les dispersions travers l...

Страница 71: ...ion de nettoyage et d entretien doit tre pr c d e de la fermeture de l alimentation en combus tible et du d branchement du r seau lectrique Puisque l conomie de fonctionnement d pend de la propret des...

Страница 72: ...EGA PREX N MEGA PREX NK MEGA PREX SL 81 DESCRIPCI N DE LAS FUNCIONES 81 ESQUEMA EL CTRICO PARA QUEMADOR Y BOMBA MONOF SICA 81 PRINCIPIO DE FUNCIONAMIENTO CALDERA DUO PREX N 82 PANEL DE MANDOS DUO PREX...

Страница 73: ...orrecto se puede causar da os a personas o a cosas de los que el fabricante no ser responsable En la primera puesta en marcha hay que comprobar la eficacia de todos los dispositivos de regulaci n inco...

Страница 74: ...NK 950 MEGAPREX N 1020 NK 1020 MEGAPREX N 1200 NK 1200 MEGAPREX N 1300 NK 1300 mm 1015 1015 1015 1015 1065 1065 1165 1165 1165 1175 1365 1365 1495 1495 1495 1645 1645 1645 mm 855 855 855 855 905 905...

Страница 75: ...945 945 1080 1080 mm 880 880 880 945 945 1080 1080 mm 150 150 150 150 150 150 150 mm 1470 1470 1470 1600 1600 1870 1870 mm 1270 1270 1270 1400 1400 1670 1670 mm 2886 2886 3096 3220 3480 3480 3935 mm...

Страница 76: ...2 N3 N4 N5 N6 N8 mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm DN in DN in DN in DN in DN in in in MEGA PREX N 4000 2326 2140 1135 1135 150 1980 1780 4310 3596 1105 2200 1005 450 500 400 600 200 200 50...

Страница 77: ...ainas porta bulbos N8Vaina de control 200 H H2 H3 H4 H6 H7 H8 H10 H11 L L1 L2 L4 P P2 P3 P4 P6 b c N1 N2 N3 N4 N5 N6 N8 DUO PREX N 180 DUO PREX N 200 DUO PREX N 240 DUO PREX N 300 DUO PREX N 400 DUO P...

Страница 78: ...00 1200 1290 1290 mm 440 440 460 460 mm 1292 1292 1382 1382 mm 900 900 950 950 mm 155 155 155 155 mm 750 750 800 800 mm 700 700 750 750 mm 1900 1900 1950 1950 mm 1410 1410 1460 1460 mm 685 685 685 685...

Страница 79: ...aldera El conducto de acoplamiento de la caldera en la base de la chimenea debe estar montado subhorizontalmente hacia arriba en el sentido del flujo de los humos con una inclinaci n aconsejable no in...

Страница 80: ...slamiento combustible N1 Alimentaci n N2 Retorno N3 Uni n para instrumentos N4 Uni n inferior N4a recirculaci n bomba anticondensaci n N4b uni n dep sito de expansi n N4c carga descarga N5 Uni n v lvu...

Страница 81: ...ermostato de m nima detiene la bomba de la instalaci n en la fase de puesta en r gimen hasta que la temperatura de la caldera alcance 50 C En el caso de quemadores o de bomba de la instalaci n trif si...

Страница 82: ...del esquema el ctrico Los bitermostatos de regulaci n TR1 y TR2 tienen un campo de funcionamiento de 60 C a 90 C y el usuario los puede regular a trav s del mando frontal El diferencial de temperatur...

Страница 83: ...000 mm 100 6 C B5 Termostato l mite inferior caldera 1 2000 mm 50 C B6 Termostato l mite inferior caldera 2 2000 mm 50 C K1 Rel auxiliar del quemador 1 K2 Rel auxiliar del quemador 2 P1 Cuentahoras de...

Страница 84: ...baste para conseguir una combusti n perfecta En especial es necesario para usar el gas controlar que la l nea de suministro y la rampa del gas cumplan las normas vigentes en materia controlar que tod...

Страница 85: ...oldar los tubos del humo 7 en la chapa de tubos posterior 6 con la caldera puesta vertical o bien con la caldera horizontal que supone una soldadura mucho m s dif cil de realizar se elige una forma o...

Страница 86: ...ta 12 C mara del humo N1 Alimentaci n N2 Retorno N3 Uni n para instrumentos N4 Uni n inferior N5 Uni n para v lvulas de seguridad MOD 25 30 35 40 50 62 75 85 95 100 120 130 450 500 500 545 645 645 690...

Страница 87: ...ares de los ter mostatos y del term metro y luego colocar los bulbos en las pocetas Montar el panel 1D como se indica en el punto b y luego el panel 2D verificando que los tubos capilares est n metido...

Страница 88: ...n la caldera y fijar en l el panel de mandos 3S desenrollar los tubos capilares de los termostatos y del term metro y luego colocar los bulbos en las pocetas Montar los paneles 1D 2D y 3D teniendo cui...

Страница 89: ...en los hoyos 4 y passar los cables 3 a trav s de la caldera y del soporte cuadro 5 como en la figura Fijar sobre la caldera el soporte cuadro 5 con los tornillos apropiados 6 Pasar los cables del que...

Страница 90: ...P4 enganchando el pliegue superior al tubo cuadrado y el inferior al travesa o de la caldera Colocar el panel P5 Efectuar las conexiones el ctricas del panel de mandos Montar los panelos P6 y P7 en l...

Страница 91: ...m metro y luego colocar los bulbos en las pocetas Montar los paneles 1D 2D y 3D teniendo cuidado de meter los tubos capilares en el ojal puesto en aquel Montar los paneles 4S y 4D enganch ndolos en lo...

Страница 92: ...nvierten en capas de aisla miento que reducen el intercambio t rmico del gene rador disminuyendo su rendimiento Lo que significa que una parte considerable del calor obtenido con la combusti n no se t...

Страница 93: ...n funci n de la temperatura de los humos del aire y del porcentaje de anh drido carb nico CO2 determina el rendimiento de la caldera sin considerar no obstante las dispersiones a trav s del revestimie...

Страница 94: ...y que deshabilitar la alimentaci n del combustible y desconectar la corriente el ctrica El ahorro de ejercicio se conseguir si las superficies de intercambio est n limpias y si el quemador est regulad...

Страница 95: ...95...

Страница 96: ...illustrations and data given are indicative and are not binding on the manufacturer LAMBORGHINI reserves the right to make those changes considered necessary for the improvement of the product without...

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