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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
Stefano Ferrara Forni S.R.L.
Forni a legna artigianali
Neapolitan handmade brick ovens
GENNARINO
GAS OVEN
Gennarino Gas 80
Gennarino Gas 100
(AIR
SPACES)
Via Fausto Coppi, 3/B
80010 Quarto, 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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Summary of Contents for FORNI GENNARINO
- Page 1 GENNARINO GAS OVEN INSTALLATION AND OPERATING MANUAL Gennarino Gas 80 Gennarino Gas 100 PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLING AND USING THE APPLIANCE A MAJOR CAUSE OF OVEN-RELATED FIRE IS FAILURE TO MAINTAIN REQUIRED CLEARANCES (AIR SPACES) COMBUSTIBLE MATERIALS. IT IS OF UTMOST IMPORTANCE THAT THIS OVEN BE INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS.
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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 - Instruction for lifting and moving oven ........................7 - Packaging removing and placement oven on support stand …………………………………........9 - 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: Cooking chamber made of refractory bricks Fully insulated Support frame and front enclosure of stainless steel Marble shelf Inox door Mouth sizes mm. 400 wide x mm. 175 heigh (16” x 7”) External covering of ceramic mosaic tiles Alimentation: gas Electronic burner with one modulating flame max thermal capacity kW.24 –... -
Page 7: 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. 11 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 8 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. 11 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 9: 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 10 www.stefanoferraraforni.it Lift the oven with a forklift until above the height of the metallic support stand (photo 3) Let down carefully for inserting the steel feet placed under the oven into the legs of the support stand (photo Once placed the oven on the support stand to screw the furnished screws (17 mm. hexagonal head screw) in the existing holes on the back of each stand leg.(photo 5 –...
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Page 11: Installation Procedures
www.stefanoferraraforni.it INSTALLATION PROCEDURES 1. Be sure to have a sufficient space in the desired location for the oven. Minimum floor space required: 2. Place the oven on appropriate floor able to support the oven weight. 3. Any adjacent combustible floor which projects in front of the oven opening must be a minimum of 30 inches (75 cm) away from each side of the door opening and 36 inches (90 cm.) from the front of the door opening. -
Page 12: Placement Of The Marble Shelf
www.stefanoferraraforni.it 5. Placement of the marble shelf For greater safety, the oven is shipped without the marble shelf, you will find it into a separate packaging. Fasten the marble on the existing iron support plate placed in front of the oven mouth using some silicone and waiting until it will be completely dry before use them as support shelf. - Page 13 www.stefanoferraraforni.it The temperature probe is inserted in a copper pipe placed on the back of the housing . (photo 4) photo 4 Insert the probe into the hole on the oven bottom (photo 5) until getting it in the cooking room to a height of around 1 cm (0.40 in).
- Page 14 www.stefanoferraraforni.it 7.2 Burner Before installing the burner , check the correct position of the electrode of the burner by following the below procedure : photo 1 photo 2 Check that the burner electrode discharge the spark onto the edge of the “A” circumference of one of the holes of the external series of the flame breaker.
- Page 15 www.stefanoferraraforni.it Connect the gas to the gas inlet Ø1/2” of the burner (point C – photo 4 previous page) and the blue plug ( C photo 3 page 12) 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 16: 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 17: 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 18: Burner Installation
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. -
Page 19: 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 20: 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 (150 mm / 6 in O.D.) located at the top of the oven. -
Page 21: 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 22: 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 23: 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 24: 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 25: Control Panel
www.stefanoferraraforni.it CONTROL PANEL 1. Burner on/ off 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 26: Celsius/Fahreneit Change
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”... -
Page 27: 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 38. 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 28: 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 29: 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 30 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 31: 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 32: 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 33: 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 34: Error Messages
www.stefanoferraraforni.it ERROR MESSAGES GREEN DISPLAY ERROR MESSAGES RED DISPLAY ERROR MESSAGES MESSAGGI DI LED ERROR MESSAGES... -
Page 35: 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 36: 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 37: 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 38: 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 39: Flame Arrestor Replacement
www.stefanoferraraforni.it NOTE : Yellow heads = methane/natural gas. Grey heads = LPG/LPG gas NOZZLE COMPOSITION 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 40: Sit Control Equipment Replacement
www.stefanoferraraforni.it Flame arrestor has two different colors according the used gas: • Yellow : methane gas/natural gas • Grey : LPG gas METHANE GAS- NATURAL GAS 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”. - Page 41 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 42: 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 43: 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 44: 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 45: The Control Unit Turns On, Low Flame Turns On But The Burner Blocks And Flame 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, LOW FLAME stains from the end of the flame detection electrode and TURNS ON BUT THE flame breaker. -
Page 46: 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 47: 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 48: Control Unit Diagram
www.stefanoferraraforni.it BURNER CONTROL UNIT DIAGRAM CONNECTIONS DIAGRAM... - Page 49 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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