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Logiudice Forni LFE Instruction Manual For Installation, Maintenance And Use

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INSTRUCTION MANUAL
FOR INSTALLATION,
MAINTENANCE
AND USE
OF AN ELECTRIC BAKING OVEN
LFE
MODEL

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Summary of Contents for Logiudice Forni LFE

  • Page 1 INSTRUCTION MANUAL FOR INSTALLATION, MAINTENANCE AND USE OF AN ELECTRIC BAKING OVEN MODEL...
  • Page 2 LOGIUDICE FORNI S.r.l. Via Chiesa 19 37040 Volpino di S. Stefano di Zimella - VERONA – Tel. 0442 490111 / 490112 Fax. 0442 490444 E-mail : logiudicexport@logiudiceforni.com logiudiceforni@logiudiceforni.com http://www.logiudiceforni.com...

  • Page 3: Table Of Contents

    page Chapter Title Page Introduction Part 1: Warning and general advice General warnings 1.1.1 Manufacturer's responsibilities 1.1.2 Buyer's responsibilities Instructions for transport - loading and unloading operations Disposal of the packing material and of the oven at the end of its life-span Oven CE marking and Serial number Technical features 1.5.1...
  • Page 4 DECK OVEN LFE Chapter Title Page Safety precautions in case of prolonged inactivity Safety precautions in case of malfunctions Part 4: Technical drawings Table of contents 449...
  • Page 5 DECK OVEN LFE Introduction The layout of this instruction manual was designed for easy and rapid consultation. There are illustrated diagrams with clear, comprehensive written explanations. This manual has been divided into chapters for easy consultation by the end-user. The information contained in this manual concerns the use of this machine and cannot be used for other purposes.
  • Page 6 DECK OVEN LFE This page has been intentionally left blank Table of contents 649...

  • Page 7: Part 1: Warning And General Advice

    DECK OVEN LFE Part 1: WARNING AND GENERAL ADVICE GENERAL WARNINGS Before starting any operation on the oven, carefully read the warnings outlined herein: they provide important guidelines for the operator's safety as well as that of the equipment during normal and maintenance operations.

  • Page 8: Instructions For Transport - Loading And Unloading Operations

    DECK OVEN LFE INSTRUCTIONS FOR TRANSPORT - LOADING AND UNLOADING OPERATIONS The oven is made up of a series of parts to assemble on site, therefore its loading and unloading operations to/from the means of transport can be carried out through a fork lift truck or a rope of load- carrying capacity adequate to the part being handled.

  • Page 9: Oven Ce Marking And Serial Number

    DECK OVEN LFE OVEN CE MARKING AND SERIAL NUMBER Every oven is equipped with a rating plate reporting all the information necessary for identification, and main technical data. The rating plate, consisting of an adhesive aluminium film, is always located inside the steam generator compartment at the right-hand side.

  • Page 10: Technical Features

    DECK OVEN LFE TECHNICAL FEATURES LFE - FORNO ELETTRICO N. sportelli per Superficie Dimensioni camere Dimensioni esterne potenza elettrica Modello Altezza cam era di cottura N. of doors for Baking Dim ensions of the Outside oven Oven Electric power Model...
  • Page 11 DECK OVEN LFE LFE - FORNO ELETTRICO N. sportelli per Superficie Dimensioni camere Dimensioni esterne potenza elettrica Altezza Modello camera di cottura N. of doors for Baking Dimensions of the Outside oven Oven Electric power Model each chamber surface baking chambers...

  • Page 12: Technical Description

    DECK OVEN LFE 1.5.1 TECHNICAL DESCRIPTION MAIN CHARACTERISTICS: The electric baking oven is equipped with a series of heating elements adequately shaped and located so as to warm up both ceiling and base deck of the baking decks. Heating elements are connected and maintained frontally with respect to the oven. This allows the oven to be installed even in narrow spaces.

  • Page 13: Legal Prescriptions, Technical Rules And Directives

    DECK OVEN LFE LEGAL PRESCRIPTIONS, TECHNICAL RULES AND DIRECTIVES During operation and installation and first start-up especially, the following legal prescriptions must be followed: law provisions in force; rules of hygiene/health related to cooking environments; municipal and/or territorial building code and fire-extinguishing prescriptions;...

  • Page 18: Steam Discharge System

    DECK OVEN LFE 2.2.2 OTHER CONNECTIONS Effect the connections correctly. To the water supply network (see also paragraphs 1.8.3). of the steam discharge system (see also paragraphs 1.8.2) INSPECTION AND START-UP Warning! The final inspection and first start-up must be effected by the technicians of the manufacturing company and the technicians authorized by the manufacturer of the burner.
  • Page 19 DECK OVEN LFE 1) Detach the rubber tube from the joint’s rubber hose adaptor. (Pos. 8). 2) Remove the flange (Pos. 10) by unscrewing the nuts of the sprayer, then extract the tube (probe) (Pos. 11). 3) Effect a complete descaling of the sprayer especially in the holes where water is discharged, by using a rigid iron wire bar or else a 5 mm drill bit.

  • Page 22: Steam Trap

    DECK OVEN LFE TROUBLESHOOTING Warning! Only qualified technical assistance can carry out the operations as specified below! Warning! : Always check that the cause of any problems has been effectively removed before resetting the safety devices! TYPE OF BREAKDOWN CAUSE...
  • Page 23 DECK OVEN LFE Part 3: USE AND ROUTINE MAINTENANCE GENERAL WARNINGS This manual outlines all the necessary instructions for a correct and safe use of the equipment. This equipment has been designed for professional use and therefore must be used by qualified personnel specifically trained for the purpose.
  • Page 28 DECK OVEN LFE Part 4: TECHNICAL DRAWINGS 4.1 ASSEMBLY DRAWING OF THE OVEN Table of contents 2849...
  • Page 29 DECK OVEN LFE 4.1.1 LONGITUDINAL SECTION OF THE OVEN MODEL LFE Table of contents 2949...

  • Page 30: Installation

    DECK OVEN LFE 4.2 ASSEMBLY DIAGRAMS 4.2.1 DIAGRAM FOR WATER SYSTEM CONNECTION/INSTALLATION Table of contents 3049...
  • Page 31 DECK OVEN LFE DIAGRAM FOR ELECTRIC SYSTEM CONNECTION/INSTALLATION Table of contents 3149...
  • Page 32 DECK OVEN LFE CONNECTING THE OVENS LFE 4.3.1 CONNECTING AN OVEN MODEL LFE – TWO DOORS – THREE AND FOUR DECKS PART DESCRIPTION ELECTRIC LINE 3pH:+N +GND DISCONNECTOR WATER ½” INLET PIPE WATER SHUT-OFF COCK CONDENSATE DISCHARGE PIPE 40 Ø...
  • Page 33 DECK OVEN LFE 4.3.2 CONNECTING AN OVEN MODEL LFE – THREE DOORS – THREE AND FOUR DECKS PART DESCRIPTION ELECTRIC LINE 3ph+N +GND DISCONNECTOR WATER ½” INLET PIPE WATER SHUT-OFF COCK CONDENSATE DISCHARGE PIPE 40 Ø STEAM TRAP PIPE 200 mm Ø...
  • Page 34 DECK OVEN LFE 4.3.3 CONNECTING AN OVEN MODEL LFE – FOUR DOORS – THREE AND FOUR DECKS PART DESCRIPTION ELECTRIC LINE 3ph+N +GND DISCONNECTOR WATER ½” INLET PIPE WATER SHUT-OFF COCK CONDENSATE DISCHARGE PIPE 40 Ø STEAM DISCHARGE TUBE Ø 200 mm...
  • Page 35 Part 5: APPENDICES 5.1 INSTRUCTION MANUAL OF THE CONTROL BOARD WITH/WITHOUT PROGRAMS CONTROL BOARD CONTROL BOARD CONTROL BOARD CONTROL BOARD INSTRUCTION MANUAL Table of contents 3549...
  • Page 36 0) DEFINITIONS The oven's electronic control board can be supplied in one of these two versions: STAR: basic version without any programming possibility ORION: with additional buttons and display for programming the baking cycles Listed below all the buttons of the board and their functions. Board buttons models STAR and ORION Button Button name...
  • Page 37 Start baking ON STOP mode on the board: when the baking deck has not warmed up, by pressing this button aBeep sound is emitted by the buzzer to signal that the command has been rejected (due to the fact that the deck has not warmed up yet).
  • Page 38 1) TECHNICAL FEATURES OF THE BOARD 1.1) STAR version No. 3 digital inputs optically isolated energized 12 Vac/dc No. 2 analog inputs for Fe-Co thermocouple -100 +900 ºC with automatic compensation of the cold junction No. 5 relay outputs 230 Vac 5A with suppressor, 230 Vac No.
  • Page 39 2) OVEN OPERATION 2.0 Board condition STAR version ON: When the LED of the On/Off button is switched off. There are two types of operations: ON START: with the LED of the On/Off button switched off and after pressing the Start baking button.

  • Page 40: Start-Up

    2.3 – Possible operations with stand-by board Light switching on For the ORION version only: : If this function has been enabled (see the paragraph concerning the board parameters setting), it activates or deactivates the automatic start-up of the oven (for the time setting see paragraph 3.0). : press them at the same time for at least 5 seconds to set the time.
  • Page 41 : press it for at least 5 seconds to activate the calibration of the probes (offset and gain of the TC1 thermocouple, GF cold junction and TC2 thermocouple). ATTENTION: using this function you risk ALTERING THE ADJUSTMENT of the board. ORION model press them at the same time for 5 seconds to load the default's parameters (hidden parameters and programs).
  • Page 42 OVEN PROGRAMMING 3.0 – Starting automatically : (only for the ORION version) Press this button with the board set to ON STOP mode to activate the automatic switch- on facility. In particular, the following buttons are used to set the parameters: to vary the time (hours in 0 to 23 format);...
  • Page 43 3.2 - Modifications to an automatic program (only for the ORION version) Set the instrument to the Stop state and press the button for at least 3 seconds then use buttons select a value included between “01 and 99” (automatic programs).
  • Page 44 PROCEDURE FOR BAKING CYCLE ACTIVATION WITH MANUAL PROGRAM Check that all the water shut-off cocks are open and that the main cut-out switch of the oven is set to the "I" position; Release the Emergency/Stop push-button (if locked). Press the button to switch the oven on .
  • Page 45 When the operator deems it necessary, he/she must press button to activate the steam emission. According to the requirements, during baking the aspirator's selectors can be activated either to enable or disable the functions of: steam aspiration before the baking deck door, lighting to turn on or off the light in the baking deck, steam generator warming up to activate or deactivate its thermo regulation.

  • Page 46: Switching Off

    PROCEDURE FOR PERFORMING A BAKING PROGRAM Check that all the water, gas-diesel shut-off cocks are open and that the main cut-out switch of the oven is set to the "I" position; Close the baking deck door. Release the Emergency/Stop push-button (if locked). Press the button to switch the oven on .
  • Page 47 MODIFICATIONS TO THE HIDDEN PARAMETERS ATTENTION: We recommend allowing only qualified personnel to modify the parameters because these settings could compromise the proper working order of the machine while the resetting procedure of the default's values could erase some special programmed functions. Set the instrument in "Stop"...
  • Page 48 is the "MASTER" card) Pr 13 0-10 Maximum number of loads to eliminate in case of heating with economizer (to be set especially on MASTER cards: the factory setting for this value corresponds to 3 for a 3-deck oven and to 4 for a 4-deck oven).
  • Page 49 DESCRIPTION OF THE TERMINAL BOARDS oven lighting “ “ thermo regulator of the ceiling “ “ steam solenoid valve “ “ thermo regulator of the base deck “ “ steams aspirator “ “ steam generator's thermo regulator “ “ fumes intake air-lock “...

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