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INSTALLATION AND OPERATING MANUAL
CLASSICO GAS 110 – 120 – 130 – 140 - 150
MLF GAS 110 – 120 – 130 – 140 – 150
SOMMA GAS 110 – 120 – 130 – 140 – 150
VULCANO GAS 110 – 120 – 130 – 140 – 150
PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLING AND USING
THE APPLIANCE
A major cause of oven – related fire is failure to maintain required
clearances (air space) to combustible materials. It is of utmost
importance that this oven be installed only in accordance with these
instructions
SAVE THESE INSTRUCTIONS
Vers. 042022
Stefano Ferrara Forni S.R.L.
Forni artigianali napoletani
Neapolitan handmade brick ovens
GAS OVEN
Via Provinciale Pianura,2 – int.12
80078 Pozzuoli, Napoli
Tel./Fax: +39 081 876 1664
www.stefanoferraraforni.it
e-mail: info@stefanoferraraforni.it
P.IVA 06771801211
C.C.I.A.A. 838246
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Related Manuals for FORNI CLASSICO GAS 110
Summary of Contents for FORNI CLASSICO GAS 110
- Page 1 GAS OVEN INSTALLATION AND OPERATING MANUAL CLASSICO GAS 110 – 120 – 130 – 140 - 150 MLF GAS 110 – 120 – 130 – 140 – 150 SOMMA GAS 110 – 120 – 130 – 140 – 150 VULCANO GAS 110 –...
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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 , they bear temperature of over 900°C (1650F) External hood :Santa Maria Bricks modeled by hand. External covering : Mosaic tiles – palladiana marble ... -
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 OVEN 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 for removing the brackets , lifting the oven with a forklift and unscrewing 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: Stand Covering Installation (Optional For Classico, Somma, Vulcano Models)
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 17 mm. (0.67 in) The stand leg covering is provided of some small holed metallic bands (A - photo 1) to fix to the studs installed at the oven bottom “B”... -
Page 14: Stand Covering Installation For Mlf Model
www.stefanoferraraforni.it 5.1 Installation of stand covering for MFL model 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. (0.67 in) Install the back paneling , it’s provided provided of some small holed metallic bands(photo 1) to fix at the bottom of the oven with the furnished screws (Hex head self-threading screw... - Page 15 www.stefanoferraraforni.it Install the front paneling getting its edges to coincide with the edges of the back panel already assembled Match the hole of the point “1” (see photo above) with the holes of metallic ring underneath the oven and screwing the provide screw (hex head self-threading screw mm.
- Page 16 www.stefanoferraraforni.it 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 –...
- Page 17 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 www.stefanoferraraforni.it 7) Burner installation 7.1 Temperature probe The electronic unit control comes fixed to the oven support stand, from the unit control run the electrical cables and temperature probe. The temperature probe “A” is inserted in a copper tube “B” . Insert the probe through the copper tube placed under the oven until getting in the cooking room to a height of around 1 cm (0.40 in).
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Page 19: Assembly Of The Burner
www.stefanoferraraforni.it Connect the red cable with the red end and the black cable with the white end VERY IMPORTANT: If the cables are connected in reverse position the burner will not start The oven comes with nuts and spacers screwed on the pivots placed on the sides of the burner holes. Unscrew the nuts leaving the spacers inserted and insert the burner in the hole under the oven making sure the holes of the fixing flange (“A”... - 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 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 oven is often used with wood soot is produced. 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/ off switch 2. Main switch 3. Burner “Reset” (release) button. Press to “Reset” (unlock) the burner. 4. Mode selection button: M = manual – A= automatic 5. Button to reduce the power of the first and second flame. 6. -
Page 31: Celsius/Fahreneit Change
www.stefanoferraraforni.it CELSIUS / FAHRENHEIT DEGREES UNIT OF MEASUREMENT CHANGE 1. Press the main red switch on the left side of the control panel. (photo 1) 2. Make sure that the LED is set to “OFF” position on the power button on the control panel. 3. -
Page 32: First Ignition And Adjustmen
www.stefanoferraraforni.it FIRST IGNITION AND ADJUSTMENT Prior to switching on the burner, make sure the oven opening is open. 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. It cannot be closed, even partially, until the burner is on. Make sure that all gas taps fitted on the system are open. -
Page 33: Burner Unlock
www.stefanoferraraforni.it BURNER UNLOCK Burner release via “RESET” button To unlock the burner, the procedure is as follows: 1 - Check that the green light of the ON-OFF button is on 2 - Press the “RESET” button. Wait approximately 1 minute for the cycle to restart. If the problem persists, vent the gas pipe and then repeat the unlock procedure. -
Page 34: Gas Adjustment 1 . Flame
www.stefanoferraraforni.it GAS ADJUSTMENT 1st. FLAME (F1) The F1 Flame is always “ON” when the burner is working, and it carries out two functions only: • cook pizzas in a preheated oven, • lighting up the inside of the cooking chamber. Flame F1 DOES NOT have to heat up the oven, as it is a “maintenance”... -
Page 35: Air Adjustment 1 . Flame
www.stefanoferraraforni.it AIR ADJUSTMENT 1st FLAME (F1) The function of the first burner flame is not to heat up the oven, as it is a maintenance flame; its task is to prevent the oven from cooling down too much and to light up the cooking chamber. Primary air is not only subject to the adjustment of the gate, but also to the chimney draught and the gas pressure. -
Page 36: Gas Adjustment 2 . Flame
www.stefanoferraraforni.it GAS ADJUSTMENT 2ND FLAME (F2) The 2 flame F2 is designed to heat the oven and cook bread and/or pizza. The adjustment criteria of F2 are: • flame length: the tip of the flame reaches at least the center of the oven dome (goes beyond 10/15cm). •... -
Page 37: Setting Safety Limit Temperature
www.stefanoferraraforni.it Recommended regulation parameters depending on the gas present in the system: IMPORTANT! Above datas are indicative and dependent on gas pressure and on flue draught. SETTING THE SAFETY LIMIT TEMPERATURE The safety limit temperature is a set value of maximum temperature that, when reached and measured inside the oven, completely shuts off the burner. -
Page 38: Burner Operation With Control Panel
www.stefanoferraraforni.it BURNER OPERATION WITH THE CONTROL PANEL Set F2 temperature shown on the green display matches the oven operating temperature. Once the 2 flame F2 is “ON”, the burner keeps it turned “ON” at maximum power until reaching a temperature of 7°C (44.6 F) is lower than the set temperature is reached. The last 7°... -
Page 39: Booster Function
www.stefanoferraraforni.it BOOSTER FUNCTION The "Booster" function activates the timed operation visible on the green display of the 2nd flame F2, at maximum power regardless of the settings entered. Once the time programmed in the “Booster” function has expired, the 2nd flame F2 starts to operate again in automatic mode. The following procedure is used to program the duration of the “Booster”... -
Page 40: Error Messages
www.stefanoferraraforni.it ERROR MESSAGES GREEN DISPLAY ERROR MESSAGES RED DISPLAY ERROR MESSAGES... -
Page 41: 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 42: Routine Maintenance
www.stefanoferraraforni.it • Before proceeding with any maintenance activities, check that the energy sources are disconnected. • Only perform the interventions with the machine stopped and de-energised. • Padlock the gas supply tap. • 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. -
Page 43: 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 44: Burner Gas Conversion
www.stefanoferraraforni.it BURNER GAS CONVERSION For gas conversion it’s required carry out the following operations: a) Conversion on the control panel b) Replace the nozzles c) Replace the flame arrestor CONVERSION ON THE CONTROL PANEL 1- Press the main red switch on the left side of the control panel.(photo1) 2- Make sure that the LED is set to “OFF”... -
Page 45: Nozzles Replacement
www.stefanoferraraforni.it NOZZLES REPLACEMENT 1- Loosen and remove screw “D” to fully remove the partition. 2- Dismantle the stud bolt “B” and remove it from the burner. 3- Unscrew nozzle “A” from stud bolt “B”, replace the nozzle required for the type of gas. Always comply with the flame 1 and flame 2 specifications. - Page 46 www.stefanoferraraforni.it 5- Tighten screw “D” again to fasten the partition. The position of the combustion air control partition must be checked by referring to page 35 NOZZLES COMPOSITION : A - NOZZLE with different sizes for F1 and F2- 11mm spanner. NOTE: the nozzle can be replaced as needed.
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Page 47: 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 both the electrodes “B” outwards, so as to make it easy to pull out the flame arrestor. (photo 3- Loosen the Allen screws “C”... -
Page 48: Sit Control Equipment Replacement
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 connectors “B1” and “B2” from the control unit. (photo 2) 3- Undo the screw “C”. - Page 49 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 50: Probe Replacement
www.stefanoferraraforni.it PROBE REPLACEMENT For the probe replacement procedure, carry out the following operations : 1- The green display will show “AL01”. 2- The red display will show “- - - -”. 3- Turn “OFF” the main switch. and replace the probe . 4- Open the Control panel by loosening the 4 side screws. -
Page 51: Error Messages
www.stefanoferraraforni.it ERROR MESSAGES DISPLAY CAUSE SOLUTIONS Problem with • Check that the multipolar plug of the control panel HUOL High voltage on the • The limit voltage is 250 V socket to which the • Test and connect the control panel to another control panel is connected socket or contact an electrician. -
Page 52: 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 53: Control Panel Turns On, F1 Turns On But The Burner Blocks And F1 Turns Off
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, F1 TURNS ON stains from the end of the flame detection electrode and BUT THE BURNER flame breaker. -
Page 54: 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 55: Slower Heating Than The Normal Parameters
www.stefanoferraraforni.it PROBLEM CAUSE SOLUTION Check that not only F1 is "ON", but F2 also; if it is "OFF": • make sure that the button is NOT lit up in the OFF SLOWER HEATING position. THAN THE NORMAL • if the button is "OFF"... -
Page 56: Control Unit Diagram
www.stefanoferraraforni.it BURNER CONTROL UNIT DIAGRAM CONNECTIONS DIAGRAM... -
Page 57: Probe Connections
www.stefanoferraraforni.it... - Page 58 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.
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