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INSTALLATION AND OPERATING MANUAL
PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLING AND USING
THE APPLIANCE
A MAJOR CAUSE OF OVEN-RELATED FIRE IS FAILURE TO MAINTAIN
REQUIRED
CLEARANCES
MATERIALS. IT IS OF UTMOST IMPORTANCE THAT THIS OVEN BE
INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS.
SAVE THESE INSTRUCTIONS
Vers. 1.2
Stefano Ferrara Forni S.R.L.
Forni a legna artigianali
Neapolitan handmade brick ovens
CLASSICO GAS
CLASSICO GAS 80 – 90
MLF GAS 80 – 90
SOMMA GAS 80 – 90
VULCANO GAS 80 – 90
(AIR
SPACES)
Via Provinciale Pianura, 2 – int.12
80078 Pozzuoli, Napoli
Tel./Fax: +39 081 876 1664
www.stefanoferraraforni.it
TO
COMBUSTIBLE
e-mail: info@stefanoferraraforni.it
P.IVA 06771801211
C.C.I.A.A. 838246
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Table of Contents
Summary of Contents for FORNI CLASSICO 80 G
- Page 1 MATERIALS. IT IS OF UTMOST IMPORTANCE THAT THIS OVEN BE INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS. SAVE THESE INSTRUCTIONS Vers. 1.2 Stefano Ferrara Forni S.R.L. Via Provinciale Pianura, 2 – int.12 e-mail: info@stefanoferraraforni.it Forni a legna artigianali 80078 Pozzuoli, Napoli P.IVA 06771801211...
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Page 2: Table Of Contents
www.stefanoferraraforni.it Table of content Page - Introduction ................................3 - Installation operating and maintenance preface ...................... 5 - Features .................................. 6 - Models and sizes ..............................7 - Instruction for lifting and moving oven ........................9 - Packaging removing and placement oven on support stand …………………………………........11 - Installation procedures •General information ………………………………………………………………………….. -
Page 3: Introduction
www.stefanoferraraforni.it INTRODUCTION This manual has been made so that the user of the oven can work in complete safety. THE USER HAS OBLIGATION TO READ CAREFULLY AND TO OBSERVE CAREFULLY THE INSTRUCTIONS OF THE MANUAL. Failure to comply with the instructions contained in this manual, means to operate in the conditions of use not foreseen by the manufacturer. - Page 4 www.stefanoferraraforni.it INTRODUCTION ABOUT INSTRUCTIONS OF WORKING These instructions have the task of allowing and facilitating the safe and appropriate use of the OVEN and of exploiting the regulatory use possibilities provided. Their observance helps to avoid dangers, repair costs, to reduce off-duty times and to increase the lifespan of the device.
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Page 5: Installation Operating And Maintenance Preface
www.stefanoferraraforni.it INSTALLATION OPERATING AND MAINTENANCE PREFACE WARNING ! READ THIS ENTIRE MANUAL BEFORE YOU INSTALL THE OVEN. FAILURE TO FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE, BODILY INJURY, OR EVEN DEATH. • When this oven is not properly installed, a fire may result. To reduce the risk of fire, follow the installation instructions •... -
Page 6: Features
www.stefanoferraraforni.it FEATURES: Plain of cooking: Biscotto di Sorrento Crown and dome: Refractory bricks 60 mm. thick, temperature resistance over 900°C (1650F) External hood: Handmade Santa Maria Bricks Support stand: Reinforced and painted iron structure (four legs) ... -
Page 7: Models And Sizes
www.stefanoferraraforni.it MODELS AND SIZES CLASSICO... - Page 8 www.stefanoferraraforni.it SOMMA VULCANO...
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Page 9: Instruction For Lifting And Moving Oven
www.stefanoferraraforni.it INSTRUCTIONS FOR LIFTING AND MOVING OVEN FOR OVENS ALREADY INSTALLED ON THE SUPPORT STAND 1- USING A FORKLIFT Determine if forklift capacity is sufficient to lift oven. (See pag. 7-8 for weights and sizes) Prior to lifting, make sure the forks are long enough as whole diameter of the oven, if not fork extensions should be used. - Page 10 www.stefanoferraraforni.it INSTRUCTIONS FOR LIFTING AND MOVING OVEN FOR OVEN SEPARATED FROM THE SUPPORT STAND 1- USING A FORKLIFT Determine if forklift capacity is sufficient to lift oven. (See pag. 7 – 8 for weights and sizes) Prior to lifting, make sure the forks are long enough as whole diameter of the oven, if not fork extensions should be used.
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Page 11: Packaging Removing And Placement Oven On Support Stand
www.stefanoferraraforni.it PACKAGING REMOVING AND PLACEMENT OF THE OVEN ON SUPPORT STAND On the bottom of the crate (front side and back side) there is the required space for insert the forks of the forklift. (photo 1) The crate is fixed to two metal brackets placed under the oven (photo 2) photo 1 photo 2 Once removed the crate, in order to remove the brackets, lift the oven with a forklift and unscrew the bolts. -
Page 12: Installation Procedures
www.stefanoferraraforni.it INSTALLATION PROCEDURES 1. Be sure to have a sufficient space in the desired location for the oven. See pag. 7 – 8 for minimum space required according the model. 2. Place the oven on appropriate floor able to support the oven weight. 3. - Page 13 www.stefanoferraraforni.it 5. Stand covering installation (optional for models Classico, Somma e Vulcano) For such working below listed tools are required: a) Spanner for hexagonal head screws 10 mm. (0.40 in) b) Spanner for hexagonal head screws 13 mm. (0.51 in) c) Spanner for hexagonal head screws 17 mm.
- Page 14 www.stefanoferraraforni.it Fasten the sides of the cover to the two lateral cross tubes of the metallic support stand using the stirrup like on the photo 6 photo 6 photo 7 The curved terminal of the stirrup is to be overlapped to the cross tube (photo 7) getting joint the hole of the stirrup with the hole existing on the cross tube, screw with the provided hexagonal head screws 10 mm.
- Page 15 www.stefanoferraraforni.it Place the paneling getting the holes of the metallic bands and the holes of metallic ring underneath the oven coincide between them (photo 2 previous page), to screw the provided screws. (Hex head self-threading screw mm. 10- 0.40 in) Once installed the back panel install the front panel that is provided of junction points like shown on photo 3 photo 3 Install the front paneling getting its edges to coincide with the edges of the back panel already assembled...
- Page 16 www.stefanoferraraforni.it Screw the stirrup with curved end (point “3” photo 6) to the iron tube of the oven stand (photo 7) using head self-threading screw mm. 10 – 0.40 in photo 6 photo 7 Join the point 4 of the front stand cover (photo 8) to the stand using the metallic stirrup with 45 degrees end . The stirrup side with 45 degree end must be fixed on the point 4 of the cover (photo 8) the other side with straight end must be fixed to the prewelded screw on the junction band between the stand legs (photo 10 –...
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Page 17: Installation Lateral Marbles
www.stefanoferraraforni.it Fasten the sides of the oven stand cover to the cross tubes of the same stand with the stirrup showed on the photo 12 photo 12 photo 13 The curved end of the stirrup must be overlapped on the cross tube of the support stand (photo 13) , get matched the hole existing on the stirrup and the hole existing on the tube then screwing with the provided hex screw mm. -
Page 18: Burner Installation
www.stefanoferraraforni.it 7) Burner installation 7.1 Temperature probe The temperature probe “A” is inserted in a copper tube “B” . Insert the probe through the copper tube “C” placed under the oven until getting it in the cooking room to a height of around 1 cm (0.40 in). - Page 19 www.stefanoferraraforni.it Insert the burner in the hole under the oven making sure the holes of the fixing flange (“A” photo 3) coincide with the existing pivots on the sides of the burner hole (“B” photo 3) To screw the nuts (hexagonal nut 13 mm – “C” photo 3 ) until to fix strongly the burner photo 3 The control panel complete of electrical cables and temperature probe (photo 4) is already installed on the support stand of the oven...
- Page 20 www.stefanoferraraforni.it photo 5 Connect the gas to the gas inlet Ø1/2” of the burner (point C – photo 5) and the blue plug ( C photo 4) to a CEI 220V. 16A. 50HZ. electrical socket. When requested a transformer is provided for allowing the working of the burner with different voltage than 220 V .
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Page 21: Connections
www.stefanoferraraforni.it CONNECTIONS To put the machine into operation, the necessary connections to the local area network must be ensured: • electrical connection; • connection to the gas network (natural gas, LPG, town gas). The user is in charge of ensuring the connection characteristics required. ELECTRICAL CONNECTION The burner works at 230 Volt, 50-60 Hertz. -
Page 22: Gas Connection
www.stefanoferraraforni.it GAS CONNECTION The machine uses gas for its own operation, and it is designed and built for the use of specific gases; please refer to the information found on the CE plate affixed to the burner in order to identify the type of gas to be used. - Page 23 www.stefanoferraraforni.it Below the procedure for checking the supply pressure with the burner on: 1) Identify the connection point of the pressure gauge in the bottom part of the burner. 2) Unscrew the screw cap “A” located inside the connection point of the pressure gauge. 3) Connect a pressure gauge (not supplied as standard equipment) to the connection point.
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Page 24: Sample Of Lpg System
www.stefanoferraraforni.it SAMPLE OF LPG SYSTEM 1. Ø30 manifold with pressure gauge and safety valve. 2. Flexible hoses to the cylinders. 3. APZ 30-60 Kg reducer calibrated at 1.5 bar. 4. 12 kg pressure regulator adjusted at 30 mbar. 5. Outfeed pressure gauge. 6. -
Page 25: Oven Venting
www.stefanoferraraforni.it OVEN VENTING The venting system of our wood burning ovens is to direct connection, exploiting the natural draught. The oven employs an integral exhaust hood above the front opening. All flue gases exit the front opening and drafts into the exhaust hood to be subsequently expelled through a flue pipe (250 mm / 10” in O.D.) located at the top of the oven. -
Page 26: Oven Care During First Fires
www.stefanoferraraforni.it OVEN CARE DURING FIRST FIRES As the oven has just been built, it is still damp and the mortar full of water which needs to dry out. Therefore, it cannot be used immediately for baking but it needs a period of drying out. This can be achieved with one week (around 8 hours daily) of keeping medium fires just to let it dry and at the same time "cook"... -
Page 27: Use Of The Oven With Wood
www.stefanoferraraforni.it USE OF THE OVEN WITH THE WOOD It’s suggested do not use often the gas oven with the wood to avoid ashes and soot can damage the burner . At any way in case of use of wood make sure to place the steel cap on the hole where the burner flame comes out for protection of the burner and to preserve it from deposits of the wood combustion . -
Page 28: Maintenance And Cleaning
www.stefanoferraraforni.it MAINTENANCE AND CLEANING The oven can inspected through the door opening. Allow the oven to get completely cool before inspecting the vent and chimney pipe for creosote build up. Creosote – Formation and need for removal. When wood is burned slowly, it produces tar and other organic vapors that combine with expelled moisture to form creosote. -
Page 29: Burner Components
www.stefanoferraraforni.it BURNER COMPONENTS TECHNICAL DATA: WORK CYCLE: The operator turns on the control unit then sets, if necessary, the temperature required inside the oven. The control unit automatically turns on the flame, the flame of the burner during the first phase has the function of heating the oven and maintaining its temperature. -
Page 30: Control Panel
www.stefanoferraraforni.it CONTROL PANEL 1. Burner on switch. 2. Button to increase high flame power. 3. Button to decrease high flame power. 4. Button to increase the set temperature. 5. Press to manually turn off and on the flame. 6. Button to decrease the set temperature. 7. - Page 31 www.stefanoferraraforni.it CELSIUS / FAHRENHEIT DEGREES UNIT OF MEASUREMENT CHANGE To change the unit of measurement of degrees proceed as follows: 1 - Disconnect the voltage to the control unit from the main switch inside the room. 2 - Unscrew the 4 “A” screws to open the cover of the control panel.(photo 1) 3 - On the back of the control panel identify the “B”...
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Page 32: First Ignition And Adjustment
www.stefanoferraraforni.it FIRST IGNITION AND ADJUSTMENT Prior to switching on the burner, make sure the oven opening is open. WARNING ! Before starting the first ignition, check the type of gas used, indicated on the CE plate and, if required, proceed with the burner gas conversion, as described on page 35. WARNING ! The oven door must always be opened before switching on the burner, and it must stay completely open for the entire time the burner is switched ON. -
Page 33: Cooking Temperature Setting
www.stefanoferraraforni.it 3 - The burner tries to ignite once again and once ignited the writing “Err 1” on the green display is replaced by the set temperature and the low flame LED will light up. 4 - If the problem persists, vent the gas pipe and then repeat the unlock procedure. 5 - 0°C appears on the green display (read-out of set temperature). -
Page 34: Air Adjustment
www.stefanoferraraforni.it For adjustment low flame acting as follows: 1 - Loosen screw “A” that secures the casing that protects the burner and rotate it by 180° in order to access the adjustments. 2 - The burner is supplied already adjusted; however, it may be necessary to make a small change, by operating on the “B”... - Page 35 www.stefanoferraraforni.it 6 - Once the flame adjustment procedure is completed, tighten the Allen screw “A”. 7 - Check the value indicated by notch “C” on the graduated scale “D”. Below is a list of recommended regulation parameters depending on the gas present in the system: IMPORTANT! The colour of the flame indicates the air - gas mixing ratio.
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Page 36: Setting Safety Limit Temperature
www.stefanoferraraforni.it SETTING THE SAFETY LIMIT TEMPERATURE The limit temperature is a set value of maximum temperature that, when reached and measured inside the oven, completely shuts off the burner. The safety temperature is usually factory set at 500°C (932 F). In case of need of setting a different safety temperature follow the below procedure: 1 - Press the 2 FLAME button... -
Page 37: Burner Operation With Control Panel
www.stefanoferraraforni.it BURNER OPERATION WITH THE CONTROL PANEL Set temperature shown on the green display matches the oven operating temperature. When the oven internal temperature (shown on the red display) drops until it reaches 7°C (44.6F) less compared to the set temperature, high flame switches on automatically and stays on until the temperature set on the green display is reached once again. -
Page 38: Switching The Burner Off Through Control Panel
www.stefanoferraraforni.it SWITCHING THE BURNER OFF THROUGH CONTROL PANEL The following procedure is used to switch off the burner from the control panel: 1- Press the red “ON/OFF” button. 2- The low and the high flame, if ignited, are switched off automatically by switching off the burned the green display shows “OFF”... -
Page 39: Error Messages
www.stefanoferraraforni.it ERROR MESSAGES GREEN DISPLAY ERROR MESSAGES RED DISPLAY ERROR MESSAGES LED ERROR MESSAGES... -
Page 40: Maintenance
www.stefanoferraraforni.it MAINTENANCE INTRODUCTION WARNING ! The maintenance operations must be carried out by qualified and authorised personnel. Burner maintenance includes activities (inspection, check, adjustment and replacement) that become necessary following regular use of the burner. For proper maintenance operations: • Only use original spare parts, suitable tools for the purpose and in good condition. •... -
Page 41: Routine Maintenance
www.stefanoferraraforni.it • It’s required to be able to use the most suitable instruments to find the fault and know the most suitable equipment for the maintenance interventions. To perform certain maintenance operations, it could be necessary that the protections and safety devices be deactivated and the guards open. -
Page 42: Special Maintenance
www.stefanoferraraforni.it BURNER CLEANING WARNING ! Before starting any cleaning operation on the burner, isolate and padlock all energy sources and safely lock the mobile units composing it. Affix the sign "Machine being serviced - do not power" near the main switch. IT IS FORBIDDEN for cleaning personnel to remove the guards and protection devices on the machine. -
Page 43: Burner Gas Conversion
www.stefanoferraraforni.it BURNER GAS CONVERSION The procedure of gas conversion consist of : a) Conversion on control panel b) Nozzles replacement c) Flame arrestors replacement CONVERSION ON CONTROL PANEL For the conversion procedure based on the type of gas used, proceed as follows: 1- Unscrew the 4 “A”... - Page 44 www.stefanoferraraforni.it photo 4 photo 5 NOZZLE COMPOSITION A : NOZZLE The nozzle can be replaced as needed. B: HEX STUD BOLT 13mm spanner. The stud bolt must NOT be replaced. C: STUD BOLT fitting...
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Page 45: Flame Arrestor Replacement
www.stefanoferraraforni.it FLAME ARRESTOR REPLACEMENT 1- Loosen the screws of fixing plates “A”, without removing them, using a cross-head screwdriver. (photo 1) 2- Rotate the electrode “B” outwards, so as to make it easy to pull out the flame arrestor. (photo 2) 3- Loosen the Allen screws “C”... - Page 46 www.stefanoferraraforni.it REPLACING THE BURNER SIT CONTROL UNIT DISASSEMBLY: For disassembly procedure of the burner SIT control unit, carry out the following operations: 1- Remove the lid “A”. (photo 1) 2- Disconnect connector “B” from the control unit. (photo 2) 3- Undo the screw “C”. (photo 3) 4- Undo the screw “D”.
- Page 47 www.stefanoferraraforni.it ASSEMBLY: For assembly procedure of the burner SIT control unit, carry out the following operations: 1- Position the control unit “A”. (photo 1) 2- Connect the connector “B”. (photo 2) 3- Connect the connector “C”. (photo 3) 4- Arrange the cables “D” in the special compartment.(photo 4) 5- Position the lid “E”.
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Page 48: Probe Replacement
www.stefanoferraraforni.it PROBE REPLACEMENT 1- The green display will show “AL01”. The red display will show “- - - -”. 2- Remove the power supply to the control unit disconnecting the plug. 3- Replace the probe. 4- Restore the power supply 5- Press the “ON/OFF”... -
Page 49: Error Messages
www.stefanoferraraforni.it ERROR MESSAGES DISPLAY CAUSE SOLUTIONS Problem with • Check that the multipolar plug of the control panel the burner is correctly inserted in the socket in the burner; • Disassemble and blow the burner and its air vents • Check that all the gas valves on the piping are completely open •... -
Page 50: Troubleshooting
www.stefanoferraraforni.it TROUBLESHOOTING WARNING ! ALL TROUBLESHOOTING OPERATIONS MUST BE CARRIED OUT WITH THE BURNER SWITCHED OFF. Use only original spare parts . PROBLEM CAUSE SOLUTION CONTROL PANEL DOES NOT SWITCH Main switch off. • Turn on the main switch. When the switch is No electricity to •... - Page 51 www.stefanoferraraforni.it PROBLEM CAUSE SOLUTION • Clean the burner (disassemble it, turn it over and, if CONTROL necessary, blow compressed air from the air intake and PANEL TURNS flame breakers). Using a metal brush, remove any soot ON, LOW FLAME stains from the end of the flame detection electrode and TURNS ON BUT THE flame breaker.
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Page 52: Red Display With
www.stefanoferraraforni.it PROBLEM CAUSE SOLUTION • 4 lines appear on the red display . RED DISPLAY WITH To replace the probe it is always necessary to disconnect the “- - - -” electricity (by switching off the main switch and disconnecting the plug), replace it and connect the current to the entire system again. -
Page 53: Soot Under The Dome
www.stefanoferraraforni.it PROBLEM CAUSE SOLUTION • Burner (air/gas ratio) not properly adjusted (less air). SOOT UNDER THE • Unsuitable environment (proper ventilation suction). DOME • Chimney dirty/closed. • Burner under the oven without oxygen. • Cleaning of the flue in case of conversion of wood-burning oven. -
Page 54: Control Unit Diagram
www.stefanoferraraforni.it BURNER CONTROL UNIT DIAGRAM CONNECTIONS DIAGRAM... - Page 55 FITNESS FOR PARTICULAR PURPOSE OR WARRANTY AGAINST LATENT DEFECTS. LIMITATIONS OF LIABILITY: In the event of warranty claim or otherwise, the sole obligation of Stefano Ferrara Forni shall be the repair and/or replacement, at the option of Stefano Ferrara Forni, of the appliance or component or part thereof.