Related Manuals for Beretta NOVELLA 31 RAI
Summary of Contents for Beretta NOVELLA 31 RAI
- Page 1 Installation Manual NOVELLA 31-45 RAI Boilers | Cast Iron Base Installation Manual...
- Page 2 The following symbols are used in this manual: CAUTION! = Indicates actions that require caution and adequate preparation STOP! = Identifies actions that you MUST NOT do...
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Page 3: Table Of Contents
CONTENTS 1 SAFETY INFORMATION AND PRECAUTIONS ..........2 DESCRIPTION OF THE APPLIANCE ............5 2.1 Description ............................... 2.2 Optional accessories ..........................2.3 Main parts of the boiler ..........................2.4 Control panel ............................2.5 Technical specifications ........................... 2.6 Identification ............................. 2.7 Material supplied ............................. 2.8 Handling .............................. -
Page 4: Safety Information And Precautions
1 SAFETY INFORMATION AND PRECAUTIONS This manual and the operation manu- Observe the following precautions to ensure al associated with it form integral parts safe operation of the boiler: of the product. Make sure that they are always kept with the boiler even if it is Do not allow children or uninformed per- transferred to another owner or user, or sons to operate the boiler... -
Page 5: Description Of The Appliance
2 DESCRIPTION OF THE APPLIANCE Description Novella RAI boilers are gas fuelled boilers for The key features of these boilers include: domestic heating. They are equipped with an atmospheric burner and a cast iron primary - electronic ignition with ionisation flame heat exchanger. -
Page 6: Main Parts Of The Boiler
Main parts of the boiler Control panel Temperature sensor socket Boiler body Electronic ignition and flame detection unit Ignition electrode Water circuit drain cock Flame detection sensor Burner Gas supply solenoid valve 10 Lifting points Fig. 2.1 Control panel 11 Main switch 12 Central heating temperature control 13 Water circuit temperature and tempera- ture gauge... -
Page 7: Technical Specifications
Technical specifications 31 RAI 45 RAI Rated heat input, CH 34,4 50,0 kcal/h 29590 43000 Rated heat output, CH 31,0 45,0 kcal/h 26660 38700 Electrical consumption Category II 2H3+ Power supply voltage V ~ Hz 230 ~ 50 Index of protection Losses from stack and casing with burner off 1,37 1,23... -
Page 8: Identification
Identification Novella boilers are identified by a product name plate giving the boiler’s serial number, model and main technical and performance data. It is essential to specify the correct model of boiler when ordering spare parts or requesting technical assis- tance. -
Page 9: Handling
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) Fig. -
Page 10: Overall Dimensions And Water Fittings
Overall dimensions and water fittings Fig. 2.7 MODEL DESCRIPTION 31 RAI 45 RAI 2.10 Water circuit Water circuit drain cock CH flow Water circuit temperature control CH return sensor GAS Gas supply Safety thermostat temperature sen- Water circuit temperature gauge sensor Fig. - Page 11 Boiler’s water-side pressure drop Novella RAI boilers come without a pump. A In order to choose a pump of the right size, pump must therefore be provided as part of bear in mind the boiler’s water-side pressure the installation. drop, as shown in the following graph. Novella 31 Novella 45 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800...
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Page 12: Multi Line Wiring Diagram
2.11 Multi line wiring diagram Fig. 2.11... -
Page 13: Installation
3 INSTALLATION Installation standards Installation in existing sys- tems The boiler must be only be installed by qual- ified personnel in conformity to applicable Perform the following checks before installing standards. Novella RAI boilers in existing systems: Installers must also ensure conformity to fire prevention standards, gas safety standards - Check that the flue is large enough and and local bylaws. -
Page 14: Water Connections
The specifications of the water fittings are as follows: Novella 31 RAI MI CH outlet 3/4” M RI CH return 3/4” M... - Page 15 - Unscrew the two fixing screws and remove the protective cover (A) from the casing (fig. 3.2) - the electrical connection terminals are located underneath (fig. 3.2) - connect up the (optional) room thermostat and/or timer as shown in the electrical wir- ing diagrams in this manual Fig.
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Page 16: Gas Connections
Gas connections Novella boilers must be connected to the methane or LPG gas supply in conformity to applicable standards (fig. 3.5). Perform the following checks before making the connection: - check that the boiler is compatible with the type of gas supply - check that the gas supply pipes are thor- oughly clean Fit a suitably sized filter in the gas supply pipe... - Page 17 DISABLING THE PRESSURE REGULATOR For the boiler to work with LPG fuel, the pres- sure regulator on the valve group needs to be disabled. To do so, proceed as follows: - Screw the pressure regulator screw (1) all the way in (fig. 3.7). - Unscrew the pressure measurement point screw (A) about 3 turns and connect up the pressure gauge (fig.
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Page 18: Flue Gas Vent And Air Intake
Flue gas vent and air intake Flues and stack connections must be made in conformity to all applicable local and national laws and standards. The use of rigid pipes is mandatory. All joints between pipe sections must be her- metically sealed and all parts of the flue must be resistant to high temperatures, condensate and mechanical stress. -
Page 19: Emptying The Water Circuit
3.10 Emptying the water circuit - Turn the electricity supply off by switching the boiler’s mains power switch and control panel switch OFF before starting to empty Fig. 3.15 the boiler (fig. 3.15) - make sure that the water circuit shut-off cocks are closed - connect a rubber hose to the hose union on the boiler’s drain cock and open the cock... -
Page 20: Start-Up And Functioning
4 START-UP AND FUNCTIONING Preliminary checks Remove the front panel of the boiler and per- - Check that the pressure in the central heat- form the following checks before switching ing circuit expansion vessel is sufficient the boiler on or testing any of its functions. (about 1 bar) - Check that the fuel and water circuit shut-off - Check that the electrical connections to the... - Page 21 The boiler will now start up and the burner will remain lit until the set temperature is reached. If any ignition or functioning errors occur, the boiler enters “LOCK-OUT” and the red LED on the control panel comes on to indicate this (fig.
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Page 22: Final Checks
Final checks Once the Novella RAI boiler has started up, make sure that it shuts down and re-starts properly when the following actions are taken: - the boiler’s temperature control is turned down (fig. 4.8) - the control panel switch is switched OFF (fig. -
Page 23: Shut-Down
5 SHUT-DOWN If the boiler is not going to be used for an extended period of time, perform the follow- ing operations: - switch the boiler on at the control panel switch and check that the green power indi- cator lights (fig. 5.1). Fig. -
Page 24: Maintenance
6 MAINTENANCE To maintain maximum functionality and effi- Do not use flammable substances (e.g. pet- ciency, and to comply with applicable leg- rol, alcohol etc.) to clean the boiler or any of islation, have the boiler serviced at regular its parts. intervals. -
Page 25: Optional Accessories
7 OPTIONAL ACCESSORIES Wall-mounted weekly timer thermostat (fig. 7.1) (cod. 1100279). Fig. 7.1 Pump or valve controlled multizone central heating kit with total shut-down function (fig. 7.2) (cod. 696439). Fig. 7.2 RO120 storage cylinder (fig. 7.3) (cod. 696339). Fig. 7.3 Pump manifold (fig. - Page 28 Via Risorgimento, 23 A 23900 - Lecco www.berettaboilers.com The manufacturer strives to continuously improve all products. Appearance, dimensions, technical specifications, standard equipment and accessories are therefore liable to modification without notice.