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NOVELLA

55-64-71 RAI

BOILERS

CAST IRON

BASE

INSTALLATION MANUAL

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Summary of Contents for NOVELLA 55 RAI

Page 1: ...NOVELLA 55 64 71 RAI BOILERS CAST IRON BASE INSTALLATION MANUAL ...

Page 2: ...ration a STOP Identifies actions that you MUST NOT do 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 Novella boilers are therefore CE marked 0694 ...

Page 3: ... standards 13 3 2 Place of installation 13 3 3 Installation in existing systems 13 3 4 Water connections 14 3 5 Electrical connections 14 3 6 Gas connections 16 3 7 Gas supply conversion 16 3 8 Flue gas vent and air intake 18 3 9 Filling the water circuit 19 3 10 Emptying the water circuit 19 4 START UP AND FUNCTIONING 20 4 1 Preliminary checks 20 4 2 Ignition 20 4 3 Final checks 22 5 SHUT DOWN 23...

Page 4: ...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 ope rations performed Switch the boiler OFF at the control panel and at the mains power switch Close the boiler s fuel cock central heating circuit shut off cock and dome stic hot water circuit shut off cock Empty the central heating cir...

Page 5: ...nd 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 sto rage cylinder to produce domestic hot water and can be equipped with temperature con trollers in the form of specific accessories Installation maintenance and access to inter nal components is facilitated by a larg...

Page 6: ...de 7 Water circuit drain cock 8 Flame detection sensor 9 Burner 10 Boiler body 11 Name plate 17 18 19 12 13 14 15 16 20 19 Key 12 Main switch 13 Central heating temperature control 14 Central heating temperature gauge 15 Safety thermostat manual reset 16 Flue gas thermostat manual reset 17 Burner lockout LED warning light 18 Power on LED indicator 19 Quick reference guide 20 Burner reset button 2 ...

Page 7: ...to EN 297 Class 1 Flue gas Δt C 113 123 130 Boiler dimensions Height mm 850 Width mm 450 Depth mm 712 795 878 Weight of boiler kg 190 225 251 PARAMETER 55 RAI 64 RAI 71 RAI Lower Wobbe index at 15 C 1013 mbar G20 MJ m3 45 7 at 15 C 1013 mbar G30 MJ m3 80 9 at 15 C 1013 mbar G31 MJ m3 71 0 Rated supply pressure G20 mbar mm H2O 20 203 9 G30 mbar mm H2O 28 285 5 G31 mbar mm H2O 37 377 3 Minimum suppl...

Page 8: ...n cage The following items are delivered in a plastic bag inside the boiler Operation manual Installation manual LPG conversion kit nozzles label seals 2 lifting plates Instruction manuals are integral parts of the boiler On unpacking locate the manuals and keep them safe Novella boilers come with a back draught shutter in a separate box GAS FUELLED BOILER OBLIGATORY GROUND CONNECTION Model Code Y...

Page 9: ...op rear tie rod fig 2 7 Fit the second lifting plate E over the end of the tie rod F Make sure that the second 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 posi tion reverse the above steps to remove the two lifting pla...

Page 10: ...4 RAI 71 RAI A 712 795 878 mm B 260 302 342 mm C 1475 1475 1700 mm 2 10 Water circuit RI MI GAS A B C D A Water circuit drain cock B Water circuit temperature control sensor C Safety thermostat temperature sensor D Water circuit temperature gauge sensor MI CH flow RI CH return GAS Gas supply Fig 2 10 ...

Page 11: ...refore be provided as part of the installation In order to choose a pump of the right size bear in mind the boiler s water side pressure drop as shown in the following graph b b On initial start up and at least every year check that all the pumps in the system rotate freely Sludge and limescale can build up and cause seizure especially after long periods of disuse a aNever run the pump dry Fig 2 1...

Page 12: ... LV Green power on LED indicator AP Ignition and flame detection unit LR Red burner lockout LED warning light VG Gas supply solenoid valve Fig 2 13 RS Burner reset button EA Ignition electrode TR Central heating temperature control ER Flame detection sensor TS Safety thermostat manual reset P1 Gas pressure switch ...

Page 13: ...oiler is configured for use with the type of gas supplied The type of gas is specified on the packaging label and on the boiler s own name plate Make sure that the flue is able to withstand the temperature of the flue gases and that it has been designed and made in conformity to applicable standards The flue must also be as straight as possible sealed insulated and not blocked or choked 3 3 Instal...

Page 14: ... disconnectorsrici 3 5 Electrical connections Il collegamento alla rete elettrica deve essere realizzato tramite un dispositivo di separazio ne con apertura onnipolare di almeno 3 mm L apparecchio funziona con corrente alternata a 230 V 50 Hz ha una potenza elettrica di 150 W ed è conforme alla norma EN 60335 1 b b The following instructions are mandatory Install a multi pole magnetic thermal trip...

Page 15: ...fig 3 3 Connect up the optional room thermostat and or timer as shown in the electrical wiring diagrams in this manual Connect up the electrical power supply fig 3 3 Connect up the room thermostat TA fig 3 4 b b If a room thermostat is connected remo ve the bridge from terminals 4 5 b b The contacts of the room thermostat must be able to function at a voltage of 230 V 50 Hz ...

Page 16: ...ady for use with methane gas G20 but can be converted to work with LPG G30 G31 using the conversion kit pro vided and the LPG gas valve contained in the relevant kit part number 1102259 Conversion must be performed by the manufacturer s Technical Assistance Service The boiler can be converted even after installation To do so proceed as follows REPLACING THE NOZZLES Remove the front panel from the ...

Page 17: ...e specified in the table below fig 3 11 55 RAI 64 RAI 71 RAI G30 G31 G30 G31 G30 G31 25 5 34 0 25 5 34 5 24 5 34 0 mbar Disconnect the pressure gauge and close the pressure measurement point Check the tightness of all the joints discon nected previously Apply the LPG label supplied with the boiler to the inside of the boiler casing fig 3 11 Remove any METHANE G20 labels from the outside and inside...

Page 18: ... event of flue gas blowback b b Uninsulated flue pipes are potentially dangerous and can cause burns The back draught shutter supplied with Novella boilers must be fitted correctly along with the flue gas thermostat To do so pro ceed as follows Fit the collar C to the flue gas exhaust hole in the top panel of the casing fig 3 13 Push the back draught shutter B through the collar C and into its sea...

Page 19: ...circuit until the pressure gauge reads out a value of 1 5 bar cold Close the water circuit shut off cocks fig 3 17 RI Fig 3 15 Fig 3 16 Fig 3 17 ON OFF Fig 3 18 Fig 3 19 3 10 Emptying the water circuit Turn the electricity supply off by switching the boiler s mains power switch and con trol panel switch OFF 0 before starting to empty the boiler fig 3 18 Make sure that the water circuit shut off co...

Page 20: ... 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 Check that the...

Page 21: ... 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 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 b Novella boilers are equipped with ...

Page 22: ...er s temperature control is turned down fig 4 8 The control panel switch is switched OFF fig 4 8 The temperature setting on the room ther mostat or timer is reduced fig 4 9 Make sure that the pump if fitted is free and rotates in the right direction fig 4 10 Turn the mains power switch OFF and make sure that the boiler shuts down completely fig 4 11 Provided these conditions are satisfied re start...

Page 23: ...ng 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 b Empty the boiler if there is any risk of freezing Fig 5 1 Fig 5 2 ON OFF Fig 5 3 ...

Page 24: ...maintenance normally consists of the following operations Remove encrustations from the burner Remove encrustations from the heat exchangers Check and clean the flue pipes Check the efficiency of the external casing Check the ignition normal functioning and shutdown of the boiler in DHW and CH modes Check the tightness of the gas and water pipe joints Check gas consumption at maximum and minimum p...

Page 25: ...fig 7 1 part number 1100279 Pump or valve controlled multizone central heating kit with total shut down function fig 7 2 part number 696439 RO120 storage cylinder fig 7 3 part num ber 696339 High head pump fig 7 4 part number 1100269 Fig 7 1 Fig 7 3 Fig 7 4 Fig 7 2 ...

Page 26: ...em that only provides central heating fig 8 2 This configuration provides a total heat output equivalent to the sum of the heat outputs of its two Novella boilers The functioning of the system can be controlled modulated from the control panel Total power kW System composition Flue kit 122 2 x Novella 55 rai 695149 141 2 x Novella 64 rai 695149 158 2 x Novella 71 rai 695159 183 3 x Novella 55 rai ...

Page 27: ...modular installation comprising three Novella boilers complete with DHW circuit P2 Storage cylinder pump T5 CH flow temperature sensor BO Storage cylinder QC Control panel FI Filter T3 Outdoor temperature sensor P1 CH pump T4 Storage cylinder temperature sensor C1 C2 C3 Novella boilers V1 V2 V3 V4 3 way deviator valves 8 2 Overall dimensions Modular connection of two Novella boilers fig 8 4 DESCRI...

Page 28: ...LATION MANUAL 28 Fig 8 5 Modular connection of three Novella boilers fig 8 5 DESCRIZIONE 3 boiler system NOVELLA 55 RAI NOVELLA 64 RAI 3 boiler system NOVELLA 71 RAI A mm 1915 2105 B Ø mm 300 350 C mm 515 505 ...

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Page 32: ...ttaclima it Beretta is constantly improving its products and therefore reserves the right to modify the characteristics and specifications of the appliance described in this manual at any time and without prior notice The contents of this manual are not contractually binding on the manufacturer Cod 20048748 02 12 Ed 0 ...

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