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- Page 1 TRANSLATION OF THE ORIGINAL INSTRUCTIONS Instruction manual, use and maintenance BURNER DRAGO PZERO AVANZINI BRUCIATORI s.r.l. Via G. Battistini, 11 43122 - Parma (PR) - Italy tel. +39 0521 271344 fax +39 0521 775862 info@avanzinibruciatori.it...
- Page 2 In any case, note that the writing company is always available for any clarifications or additional information. INDEX OF THE REVISIONS NOTES AT REV. No. OF LAST PAGE DATE PUBLICATION 11/2019 04/2021 COPYRIGHT © 2021 AVANZINI BRUCIATORI s.r.l. Page 2 D r a g o P Z e r o...
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Page 3: Table Of Contents
Instructions, use and maintenance manual TABLE OF CONTENTS IDENTIFICATION OF THE MACHINE ............7 1.1. MANUFACTURER IDENTIFICATION .................. 7 1.2. MODEL IDENTIFICATION ....................7 1.3. IDENTIFICATION PLATE ..................... 8 1.4. DECLARATION OF CONFORMITY (COPY) ................ 9 1.5. REFERENCE DIRECTIVES ....................10 GENERAL PRELIMINARY INFORMATION .......... - Page 4 Instructions, use and maintenance manual DESCRIPTION OF THE MACHINE ............25 4.1. INTENDED USE (CORRECT) .................... 25 4.1.1. REASONABLY FORESEEABLE IMPROPER USE ..................26 4.2. OBLIGATIONS AND PROHIBITIONS ................26 4.2.1. USER OBLIGATIONS .............................26 4.2.2. OPERATOR OBLIGATIONS ...........................26 4.2.3. PROHIBITIONS FOR THE OPERATORS ......................27 4.3.
- Page 5 Instructions, use and maintenance manual HOW TO USE ..................49 6.1. MAIN COMMANDS DRAGO PZERO ................. 50 6.2. FIRST IGNITION AND ADJUSTMENT ................51 6.2.1. FIRST IGNITION DRAGO PZERO .........................51 6.2.2. LOW FLAME ADJUSTMENT .........................52 6.2.3. FLAME AIR ADJUSTMENT ..........................53 6.2.4. SWITCH-OFF WHILE MAINTAINING THE PILOT FLAME ................54 6.2.5.
- Page 6 Instructions, use and maintenance manual PAGE INTENTIONALLY LEFT BLANK Page 6 D r a g o P Z e r o...
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Page 7: Identification Of The Machine
CUSTOMER: This manual contains confidential information and drawings, property of AVANZINI BRUCIATORI s.r.l. It is forbidden to even partially reproduce the manual without the written authorisation of AVANZINI BRUCIATORI s.r.l. D r a g o P Z e r o... -
Page 8: Identification Plate
1.3. IDENTIFICATION PLATE For machine identification purposes, a special identification plate was affixed to the machine; the identification data indicated on this plate must be reported to AVANZINI BRUCIATORI s.r.l. every time a service call is requested or when ordering spare parts: POS. -
Page 9: Declaration Of Conformity (Copy)
OVENS MODEL DRAGO/PZero REGISTRATION NUMBER PZero/**** The undersigned Andrea Avanzini in quality of Legal Representative of the company Avanzini Bruciatori S.r.l. DECLARES under his own responsibility that the equipment concerned conforms to directives : Directive 2014/30/EU regarding electromagnetic compatibility. Directive 2011/65/EU (RoHS II) on the restriction of the use of certain hazardous substances in... -
Page 10: Reference Directives
Instructions, use and maintenance manual 1.5. REFERENCE DIRECTIVES The equipment supplied by AVANZINI BRUCIATORI s.r.l. complies with the directives: • Directive 2014/35/EU on low voltage, relative to safety guarantees that electrical material must possess when intended for use within certain voltage limits. -
Page 11: General Preliminary Information
Instructions, use and maintenance manual 2. GENERAL PRELIMINARY INFORMATION 2.1. MANUFACTURER IDENTIFICATION The manual is intended for operators in charge of using and managing the plant in all the technical phases of its service life. It also contains the subjects regarding the proper use of the machine, in order to maintain the functional and qualitative features of the machine unaltered over time. -
Page 12: Manual
Instructions, use and maintenance manual 2.5. MANUAL PAGE STRUCTURE The master pages of this manual are structured so as to provide the user with important information on whatever page he/she is on: LEFT PAGE RIGHT PAGE POS. ELEMENT DOCUMENT TITLE CHAPTER NUMBER PAGE NUMBER COMPANY LOGO... -
Page 13: Operator Qualifications
Instructions, use and maintenance manual 2.6. OPERATOR QUALIFICATIONS Refer to the following table to establish with certainty what skills and qualifications are required of the operators in charge of the various duties (starting up, cleaning, routine maintenance): QUALIFICATION DEFINITION This is the user's trained staff authorised to use and run the machine for production purposes, for OPERATOR the activities it was built and supplied for. - Page 14 EQUIPMENT Personnel in charge of using the material ad machine lifting and handling means (scrupulously following the instructions of AVANZINI BRUCIATORI s.r.l., in compliance with the laws in force in the country of the machine user. Qualified engineer able to: •...
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Page 15: Symbols Used In The Manual
Instructions, use and maintenance manual 2.7. SYMBOLS USED IN THE MANUAL SYMBOL DESCRIPTION Symbol used to identify particularly important information in the manual. The information also regards the safety of personnel involved in use of the machine. Symbol used to indicate warnings or procedures related to operator safety. Symbol used to indicate warnings or procedures related to electrical power. -
Page 16: Terminology Used
Instructions, use and maintenance manual 2.8. TERMINOLOGY USED Technical terminology or different meaning from the ordinary used in the manuals. Below is an explanation of the terms and abbreviations used: TERM DESCRIPTION EQUIPMENT Device that, after machine commissioning, is assembled to the machine by the same operator in INTERCHANGEABLE order to modify its function or attribute a new function, in so far as such equipment is not a tool. -
Page 17: Safety Pictograms
CAUTION! IT IS STRICTLY FORBIDDEN TO REMOVE THE WARNING PLATES ON THE MACHINE. AVANZINI BRUCIATORI s.r.l. will not be held liable for the safety of the machine should this prohibition be disregarded. CAUTION! The user must replace warning signs which have become illegible due to wear. -
Page 18: Personal Protective Equipment
Instructions, use and maintenance manual 2.10. PERSONAL PROTECTIVE EQUIPMENT When operating near the machine for assembly and maintenance and/or adjustment operations strictly respect the main accident-prevention rules. For this purpose it will be important to use the personal protective equipment (P.P.E.) required for each individual operation. -
Page 19: Warranty
• The right to services under warranty is only acknowledged if it is reported to AVANZINI BRUCIATORI s.r.l. as soon as the defect is noted and simultaneously submitting the relevant repair order. - Page 20 Instructions, use and maintenance manual PAGE INTENTIONALLY LEFT BLANK Page 20 D r a g o P Z e r o...
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Page 21: Safeties
Removing or tampering with the safety devices implies a dangerous situation for the operator, which could result in a serious accident that could lead to serious physical harm. Removing or tampering with safety devices relieves AVANZINI BRUCIATORI s.r.l. from any kind of civil or criminal liability and/or any compensation towards the injured party. -
Page 22: Noise
Instructions, use and maintenance manual 3.2. NOISE The noise levels have been measured in accordance with the requirements of UNI EN 11200 and UNI EN ISO 3746. During the operating cycles, the levels of exposure to noise for appointed personnel do not exceed 76 dB. The actual noise levels of the installed machine during operation on site in a manufacturing process differ from those detected, as the noise is influenced by factors such as: •... - Page 23 Instructions, use and maintenance manual RISK DESCRIPTION AND PROCEDURAL INFORMATION Handling procedures are described in this instructions manual in the “Transport, handling and installation” chapter. RISKS DUE TO HANDLING The following operations: Necessary PPE • unloading the packages; • opening the packages; •...
- Page 24 Instructions, use and maintenance manual RISK DESCRIPTION AND PROCEDURAL INFORMATION The machine is not suitable to operate in explosive or classified environments. RISK OF EXPLOSIVE ATMOSPHERE Using it in explosive or partially explosive atmospheres is strictly prohibited. Necessary PPE The machine is therefore not suitable to work in the following environments: •...
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Page 25: Description Of The Machine
4.1. INTENDED USE (CORRECT) The machine described in this manual called “Burner Drago PZero” was designed and built to heat up ovens for the purpose of baking bread and pizza. The machine is intended for:... -
Page 26: Reasonably Foreseeable Improper Use
Instructions, use and maintenance manual 4.1.1. REASONABLY FORESEEABLE IMPROPER USE Reasonably foreseeable misuse is listed below: • installation with modes different from what has been specified in this user manual; • using the machine so as to achieve greater production values than the prescribed limits; •... -
Page 27: Prohibitions For The Operators
(consult chap. 5). CAUTION! The company AVANZINI BRUCIATORI s.r.l. is not liable for damages to property or people if it has been ascertained that the machine has been used in one of the above environments. -
Page 28: Main Components
Instructions, use and maintenance manual 4.5. MAIN COMPONENTS POS. ELEMENT IGNITION KNOB AND FLAME ADJUSTMENT PILOT FLAME IGNITION BUTTON OR ON BUTTON THERMOCOUPLE TIP GAS CONNECTION FITTING Ø 8 mm IGNITION ELECTRODE 3-POINT PILOT FLAME GAS SUPPLY 1/2” GAS PRESSURE INLET THERMOCOUPLE CONNECTION Page 28 D r a g o P Z e r o... -
Page 29: Transport And Installation
To handle the machine, respect the indications and pictograms shown, using suitable tools and equipment. During installation, the AVANZINI BRUCIATORI s.r.l. technicians must be assisted by operators who are assigned for future maintenance and operation of the machine. The machine was designed in such a way as to not require the use of equipment such as cranes, gantries or forklift trucks during the packaging, transport and assembly phases. -
Page 30: Transport And Handling
Instructions, use and maintenance manual 5.3. TRANSPORT AND HANDLING AVANZINI BRUCIATORI s.r.l., uses the most appropriate packing and fastening materials based on machine type and mode of transportation to ensure the machine is not damaged during shipping. The handling procedures described in this paragraph shall be carried out by staff trained for such operations;... -
Page 31: Table Of Units And Of Weights
The above data is described in the relative paragraphs. CAUTION! All external power supply connections to the machine must be made during installation by AVANZINI BRUCIATORI s.r.l. personnel. 5.5. INSTALLATION ENVIRONMENT The installation environment is crucial for proper burner operation, since it has to guarantee proper air contribution to the burner. -
Page 32: Installation Site
Instructions, use and maintenance manual 5.5.1. INSTALLATION SITE IMPORTANT! The installation environment must be free of draughts that may cause malfunctions, such as irregular flames or burner shut-downs. If the characteristics of the installation environment make it impossible to eliminate any existing draughts, (e.g., oven installed in an room with 2 windows opposite each other), the base of the oven must be closed on the sides and in the rear (leaving only the front side open) so as to protect the burner from draughts without however isolating it from the environment, and air intake is still possible. -
Page 33: Oven Installed Outdoors
5.6.1. HOLE IN THE COOKING TOP The Drago PZero burner is installed in the surface of the oven; the extensions of the torches have to pass through the oven base, until they reach the level of the cooking surface. -
Page 34: Installing The Burner
Instructions, use and maintenance manual 5.7. INSTALLING THE BURNER Once the hole has been created in the cooking base, you can proceed to install the burner in the oven. For the burner installation procedure, carry out the operations described below: STEP ACTION PICTURE... -
Page 35: Verify Positioning Of The Ignition Electrode
Instructions, use and maintenance manual 5.7.1. VERIFY POSITIONING OF THE IGNITION ELECTRODE Before inserting the burner in the oven, check that the ignition electrode is positioned correctly. The spark generated by the ignition electrode must discharge on the edge of the upper plate of the pilot flame. CAUTION! The tip of the electrode must be about 3 millimetres from the pilot plate. -
Page 36: Connections
Instructions, use and maintenance manual 5.8. CONNECTIONS To start the Drago PZero, secure the necessary connections: TYPE Connection of copper GAS PIPE d.8 - L.75cm (supplied) from burner to valve unit. TYPE THERMOCOUPLE connection from the burner to the valve unit. - Page 37 Instructions, use and maintenance manual TYPE Pilot flame COPPER PIPE d.6 - L.85cm connection (supplied) from the burner to the valve unit. TYPE IGNITION ELECTRODE connection from the burner to the valve unit. D r a g o P Z e r o Page 37...
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Page 38: Gas Pipe Connection From The Burner To The Valve Unit
Instructions, use and maintenance manual 5.8.1. GAS PIPE CONNECTION FROM THE BURNER TO THE VALVE UNIT Make the connection by following the steps below: STEP ACTION PICTURE Insert the copper pipe “A” into the grip point “B” of the burner and tighten nut “B” with a spanner. Insert the copper pipe “A”... -
Page 39: Thermocouple Connection From The Burner To The Valve Unit
Instructions, use and maintenance manual 5.8.2. THERMOCOUPLE CONNECTION FROM THE BURNER TO THE VALVE UNIT Make the connection by following the steps below: STEP ACTION PICTURE Unroll the thermocouple “D” leaving the burner. CAUTION! careful shape thermocouple with wide curves so as not to damage it. Insert the screw-on end of the thermocouple “D”... -
Page 40: Copper Pipe (Pilot Flame) Connection From The Burner To The Valve Unit
Instructions, use and maintenance manual 5.8.3. COPPER PIPE (PILOT FLAME) CONNECTION FROM THE BURNER TO THE VALVE UNIT Make the connection by following the steps below: STEP ACTION PICTURE Insert the copper pipe “F” into the grip point “G” of the burner and tighten nut “G” with a spanner. Insert the copper pipe “F”... -
Page 41: Ignition Electrode Connection From The Burner To The Valve Unit
Instructions, use and maintenance manual 5.8.4. IGNITION ELECTRODE CONNECTION FROM THE BURNER TO THE VALVE UNIT Make the connection by following the steps below: STEP ACTION PICTURE Cut the plastic clamp that holds the cable. Completely unroll the white cable “I” leaving the burner. -
Page 42: Gas Pipe Connection From The Valve Unit To The Distribution System
Instructions, use and maintenance manual 5.8.5. GAS PIPE CONNECTION FROM THE VALVE UNIT TO THE DISTRIBU- TION SYSTEM CAUTION! PIPE SUPPLIED, REQUESTED AS AN OPTIONAL ACCESSORY. Make the connection by following the steps below: STEP ACTION PICTURE Take the end of the 1/2” connection pipe “O” (optional - NOT SUPPLIED) and its gasket “P”. -
Page 43: Connections
Do not use the burner with gases other than the ones indicated on the CE plate. AVANZINI BRUCIATORI s.r.l. declines any and all responsibility with regards to faults resulting from the use of gases other than the ones indicated on the CE plate of the burner. -
Page 44: Natural Gas Connection
Instructions, use and maintenance manual 5.9.1. NATURAL GAS CONNECTION Follow the procedure below to connect to the natural gas network: STEP ACTION Connect the gas supply to the 1/2” male fitting “A” on the burner with a flexible hose (not supplied). Make sure that the pressure at the pressure point “B”... -
Page 45: Lpg Connection
1/2” piping. All accessories needed for burner connection (with systems that use cylinders) are sold separately; please contact AVANZINI BRUCIATORI s.r.l. for information on how to purchase these accessories. Pressure reducer for at least 1.5 kg/h adjusted at 30 mbar. -
Page 46: Verifying The Supply Pressure
Instructions, use and maintenance manual 5.9.3. VERIFYING THE SUPPLY PRESSURE Below is the procedure to check the supply pressure to the burner: STEP ACTION PICTURE Identify the connection point of the pressure gauge in the bottom part of the valve unit (pressure inlet). Loosen the screw cap “A”... -
Page 47: Dismantling And Waste Disposal
The following operations as well as indications in the manuals of the equipment, machines, partly-completed machinery and components used, supplied by AVANZINI BRUCIATORI s.r.l. as an integral part of the instruction manual, must be taken into consideration for decommissioning. - Page 48 The following operations as well as indications in the manuals of the equipment, machines, partly-completed machinery and components used, supplied by AVANZINI BRUCIATORI s.r.l. as an integral part of the instruction manual, must be taken into consideration for decommissioning purposes.
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Page 49: How To Use
Instructions, use and maintenance manual 6. HOW TO USE During machine work phases the operator in charge must run the machine in constant respect of the safety devices foreseen, by checking: • the correct positioning of the safety devices; • the correct operation of the safety devices;... -
Page 50: Main Commands Drago Pzero
Instructions, use and maintenance manual 6.1. MAIN COMMANDS DrAgO PZErO All burner functions can be managed from the Drago PZero knob, as can be seen below. POS. ICON/BUTTON DESCrIPTION Flame adjustment selector Pilot flame ignition button Pilot flame High flame... -
Page 51: First Ignition And Adjustment
THE OVEN LOADINg 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. 6.2.1. FIrST IgNITION DrAgO PZErO IMPOrTANT! Open the oven loading door prior to switching on the burner. -
Page 52: Low Flame Adjustment
Instructions, use and maintenance manual 6.2.2. LOW FLAME ADJUSTMENT IMPOrTANT! All burners are adjusted by our technicians before being shipped. To change the factory settings, carry out the procedure described below. For the low flame adjustment procedure, carry out the operations described below: STEP ACTION PICTUrE... -
Page 53: Flame Air Adjustment
Instructions, use and maintenance manual STEP ACTION PICTUrE Once the flame adjustment procedure is completed, refit the knob “A”. IMPOrTANT! The LOW FLAME is preset – use the knob to vary the heat required according to the product that is to be cooked. 6.2.3. -
Page 54: Switch-Off While Maintaining The Pilot Flame
Instructions, use and maintenance manual 6.2.4. SWITCH-OFF WHILE MAINTAININg THE PILOT FLAME Follow the procedure below to switch off the cooking flame, while keeping the pilot flame on for a subsequent restart: STEP ACTION PICTUrE Rotate the control knob to “B”. 6.2.5. -
Page 55: Maintenance
Instructions, use and maintenance manual 7. MAINTENANCE 7.1. INTRODUCTION CAUTION! 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: •... -
Page 56: Safety Warnings
Instructions, use and maintenance manual 7.2. SAFETY WARNINGS CAUTION! For the maintenance activities, close the gas supply system. • Maintenance operators are required to wear all of the personal protective equipment (gloves, goggles) necessary to perform the operation. • During maintenance operations, unauthorised staff must stay out of the relative operating area. •... -
Page 57: Routine Maintenance
Instructions, use and maintenance manual 7.3. ROUTINE MAINTENANCE When the burner is delivered to the user, it is already adjusted for correct operation; nonetheless, to ensure good operation over time, it is necessary to carry out checks as well as periodic and preventive maintenance. Routine maintenance includes inspections, checks and interventions that, in order to prevent faults, monitor: •... -
Page 58: Machine Cleaning
Instructions, use and maintenance manual 7.3.2. MACHINE CLEANING CAUTION! Before starting any cleaning operation on the machine, 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. -
Page 59: Special Maintenance
CAUTION! The spare parts to be replaced are to be ordered from AVANZINI BRUCIATORI s.r.l. Should the customer not use genuine spare parts or parts authorised in writing by the Manufactur- er, the latter shall be relieved of any liability as regards machine operation and operators' safety. -
Page 60: Burner Gas Conversion
7.5. BURNER GAS CONVERSION CAUTION! The conversion operation requires the purchase of the special conversion kit, which contains a nozzle; contact AVANZINI BRUCIATORI s.r.l. to obtain all information on how to purchase the conversion kit. 7.5.1. NOZZLE COMPOSITION Below are the main components of the nozzle: POS. -
Page 61: Nozzle Replacement
Instructions, use and maintenance manual 7.5.2. NOZZLE REPLACEMENT For the gas nozzles replacement procedure, carry out the operations described below: STEP ACTION PICTURE Use a 20 mm spanner to loosen the stud bolt “A” and remove it from the burner. Use an 11 mm spanner to unscrew nozzle “B”... - Page 62 Instructions, use and maintenance manual STEP ACTION PICTURE When switching to methane gas, it is necessary to assemble the air closing plate “D” as set up CHARACTERISTICS OF ALTERNATIVE NOZZLES GAS PRESSURE: NOZZLES FOR METHANE GAS 20 mbar: • with burner on, minimum 13 mbar, maximum 20 mbar; Nozzle diameter 1.7 millimetres •...
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Page 63: Pilot Flame Air Adjustment
Instructions, use and maintenance manual 7.5.3. PILOT FLAME AIR ADJUSTMENT in case of conversion to natural gas or LPG, adjust the pilot flame air as shown below: TYPE PICTURE OPEN LPG SUPPLY 1/2 CLOSED NATURAL GAS SUPPLY D r a g o P Z e r o Page 63... -
Page 64: Replacement Switch-On Battery
Instructions, use and maintenance manual 7.5.4. REPLACEMENT SWITCH-ON BATTERY For the ignition battery replacement procedure, carry out the operations described below: STEP ACTION PICTURE Unscrew and remove the power button “A”. Remove the old battery and insert a new battery in the compartment “B”, complying with the polarity. -
Page 65: Troubleshooting
Instructions, use and maintenance manual 8. TROUBLESHOOTING 8.1. INTRODUCTION CAUTION! ALL TROUBLESHOOTING OPERATIONS MUST BE CARRIED OUT WITH THE BURNER SWITCHED OFF. PROBLEM CAUSE SOLUTION • Burner (air/gas ratio) not properly adjusted (less air). • Unsuitable environment (proper ventilation suction). •... - Page 66 Instructions, use and maintenance manual PAGE INTENTIONALLY LEFT BLANK Page 66 D r a g o P Z e r o...
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Page 67: Attachments
The enclosed documentation constitutes an integral part of the "INSTRUCTIONS, USE AND MAINTENANCE MANUAL" of the machine supplied by AVANZINI BRUCIATORI s.r.l. It must be used as a reference for the use, operation and maintenance of the equipment and components. - Page 68 AVANZINI BRUCIATORI s.r.l. Via G. Battistini, 11 43122 - Parma - (Pr) Italy tel. +39 0521 271344 fax +39 0521 775862 info@avanzinibruciatori.it Updated on: 03/2021...
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