Instruction Manual for FONTANA FORNI models including: Napoli 6050, Firenze 6070, Roma 8070, Napoli 6050 Hybrid Ovens, Hybrid Ovens, Ovens
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Natural Gas Conversion instructions for NAPOLI, FIRENZE & ROMA ovens
Napoli Wood & Gas-Fired-Fired Pizza Oven on Portable Desk | Red
REV-1.0 (12/2023) FFUSA Natural Gas Conversion instructions for NAPOLI, FIRENZE & ROMA ovens WARNING! FIRE, EXPLOSION, AND CARBON-MONOXIDE HAZARD If the information in these instructions is not followed exactly, a fire, explosion, or production of carbon monoxide may result causing property damage, personal injury, or loss of life. This conversion kit should be installed by a qualified agency in accordance with the appliance manufacturer's instructions and all applicable codes and requirements of the Authority Having Jurisdiction. The qualified agency is responsible for the proper installation of this kit. The installation is not proper and complete until the operation of the converted appliance is checked as specified in the manufacturer's instructions. The Napoli, Firenze & Roma ovens are set up for LP use by default. However, conversion to Natural Gas (NG) is possible with the use of this kit. This kit includes: 1. Threaded NG adapter G1/2-NPT 3/8 2. Sealing washer 3. Pilot flame nozzle (only for Firenze and Roma ovens) 4. NG Orifice 5. NG Regulator 6. NG hose 7. NG Quick Connect Before commencing the conversion, securely close and disconnect the LPG bottle, storing it in a suitable location in accordance with local regulations. Ensure the surrounding area is clear of flammable or combustible materials. Refrain from smoking during the conversion process. After disconnecting the LPG line, remove the 3/8 SAE connector and its sealing washer. Replace it with the adapter (1) and the new sealing washer (2) provided in the kit. 2 To ensure proper operation, it is essential to replace the orifice with one designed for use with natural gas (NG), as provided in the kit: Oven Orifice hole size Pilot nozzle Napoli (6050) 3.70 mm No Firenze (6070) 4.20 mm Yes Roma (8070) 4.60 mm Yes The size is stamped near the hole on the orifice. Replace the orifice with the one supplied and suitable for your oven. Orifice Replacement 1 Remove the gas knob To remove the throttle grip (A) just pull it applying a slight force. Follow the direction of the arrow. 2 Remove the screw Remove the screw (B) indicated in photo. 3 Remove the protective cover To remove the protective cover (C) fixed to the rear of the oven, simply remove the screws shown in the photo. 3 4 Disconnect the ignition wires Disconnect the two red ignition wires. 5 Unlock the burner To unlock the burner (D), simply remove the screws shown in the photo. 6 Extract the burner Now extract the burner being careful not to damage the ignition wires. 7 Remove the cover plate Unscrew the fixing screw (E) and remove the cover plate (F) of the primary nozzle. 8 Identify the orifice to replace G Once the cover plate has been removed, you will be able to identify the primary orifice (G) which must be replaced. 4 9 Replace the primary orifice Unscrew the primary orifice (G) from the nozzle holder (H) using a 13 mm wrench. Then install (screw in) the new nozzle. During this operation, the nozzle holder (H) must be blocked to prevent rotation. PILOT NOZZLE REPLACEMENT (only for Firenze (6070) and Roma (8070) ovens) 10 Identify the pilot nozzle The pilot nozzle is inside the pilot burner and is precisely located in the fitting (I) located in the center where the gas supply hose (L) is connected as shown in the photo. 11 Remove the fitting Completely unscrew the fitting (I) using a 10 mm wrench. 5 12 Extract the hose Extract the hose (L) and the fitting (I). 13 Replace the pilot nozzle Once the hose (L) has been removed you will be able to identify the pilot nozzle (M) which will need to be replaced. Replace the pilot nozzle with the one supplied. 14 Reinsert the burner All that remains is to repeat the procedure in reverse order to reinsert the burner into the oven. At the first ignition, check for any leaks. IDLE ADJUSTMENT You should only need to make adjustments in the event of a conversion your oven has already been configured correctly during the manufacturing process. The correct minimum settings are outlined below. 6 15 Remove the gas knob To remove the throttle grip (A) just pull it applying a slight force. Follow the direction of the arrow. 16 Locate the adjustment screw Looking inside the opening indicated, there is the minimum adjustment screw (N) installed in the body of the gas cock. 17 Adjust the minimum Using a slotted screwdriver, turn the screw to adjust the minimum according to the settings as indicated in the table below. Napoli (6050) Nominal input rating: 54500 Btu/hr [LP/NG] Reduced rate: 16000 Btu/hr [LP/NG] LP - 11" w.c. Ø injector = 2.25 mm By-pass screw adjustment: Fully closed position NG - 4" w.c. Ø injector = 3.70 mm By-pass screw adjustment (number of turns anticlockwise from fully closed position): 1.5 7 Firenze (6070) Nominal input rating: 68000 Btu/hr [LP/NG] Reduced rate: 16500 Btu/hr [LP/NG] LP - 11" w.c. Ø injector = 2.40 mm Ø pilot injector = 1x0.22 mm By-pass screw adjustment: Fully closed position NG - 4" w.c. Ø injector = 4.20 mm Ø pilot injector = 2x0.29 mm By-pass screw adjustment (number of turns anticlockwise from fully closed position): 0.8 Roma (8070) Nominal input rating: 75000 Btu/hr [LP/NG] Reduced rate: 16500 Btu/hr [LP/NG] LP - 11" w.c. Ø injector = 2.60 mm Ø pilot injector = 1x0.22 mm By-pass screw adjustment: Fully closed position NG - 4" w.c. Ø injector = 4.60 mm Ø pilot injector = 2x0.29 mm By-pass screw adjustment (number of turns anticlockwise from fully closed position): 0.9 8 After the conversion Once the gas smoker oven has been converted to Natural Gas it is the responsibility of the individual or agency performing the conversion to update the data plate on the back of the oven. This can be done with a sticker or permanent marker. converted to NG-4.0 The same information must also be completed below to have a signed copy in case the plate on the back of the oven gets damaged. THIS APPLIANCE HAS BEEN CONVERTED FROM "LPG" TO "NG" DATE ______________________________ BY (name of organization making this conversion) _______________________________________________________________ ACCEPTING RESPONSIBILITY FOR ENSURING THE PROPER EXECUTION OF THIS CONVERSION 9 10 The NG Regulator, NG Hose and NG Quick Connect are connected as shown below. 11 12Microsoft: Print To PDF