mac.pan MD User And Maintenance Manual
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mac.pan MD User And Maintenance Manual

Electric modular oven
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Summary of Contents for mac.pan MD

  • Page 1 Electric modular oven...
  • Page 3 chapter Generality .0-0 electric modular oven...

  • Page 4: Table Of Contents

    Pag. Warnings General warnings Safety warnings General instructions Operations Identification Data Handling Storage Shipment Out-of-order Residual Risks Prevention of accidents Technical data Operation description of electric furnace Place Requirements Data sheet and technical specifications Operator areas of electric furnace Connections Noise Level Demolition Accessories...

  • Page 5: Warnings

    Warnings General warnings The instructions manual is an integral part of the furnace and must be kept close at hand, for consulting and/or reference in a protected, dry area.The instructions manual must be kept until the furnace is dismantled.A copy of the instructions manual can be obtained from the manufacturer maintaining sales conditions unaltered for regular spare parts.
  • Page 6 GENERAL NOTES The operator and anyone authorized to work with the machine must carefully and thoroughly read the general safety and caution principles here below in order to avoid any damages caused by the improper use of the machine. Failure to comply with safety regulations and/or improper use of the machine may cause accidents to operators and other persons.

  • Page 7: General Instructions

    Never bring inside the baking area flammable products that may cause explosions or toxic fumes. It is forbidden to walk over the oven top casing or rest any material on it, as it is not suited to support any load. The oven should undergo periodical maintenance in compliance with the instructions contained in the relevant chapter of this manual.

  • Page 8: Identification Data

    Identification Data Near every energy inlet (electricity, gas/gas oil…) a plate is applied showing oven identification data (model, serial number,…), technical specifications and power calibration values. MODELLO MODELLO MODEL MODEL MODELE MODELE MODELO MODELO ANNO ANNO MATRICOLA MATRICOLA YEAR SERIAL NUMBER YEAR SERIAL NUMBER ANNEE...
  • Page 9 Storage The machine as supplied must not be stacked on other ovens or goods unless a special support and/or shelter has been installed in order to avoid any deformation Temperature in the storage area should range from -5°C and +60°C Humidity caused by weather conditions should in no case generate condensation The machine and its parts should never been exposed to the bad weather conditions.

  • Page 10: Handling

    HANDLING For ovens in create or case For palletized ovens For any type of packing Warning !! unbalanced load PAG. 8 CAP. 1 electric modular oven...
  • Page 11 LIFTING With fork lift handle the oven with any type of packing With ropes or chains keeping the oven unpacked Ropes ao chains keeping the oven packed Warning !! unbalanced load CAP. 1 PAG. 9 electric modular oven...

  • Page 12: Shipment

    Shipment Oven can be shipped, according to contract, in two different ways: PRE-ASSEMBLED OR ASSEMBLED PRE - ASSEMBLED OVEN Oven is supplied completely assembled. Only few components (for transport and stock purposes) are detached and placed inside the oven – see ENCLOSURE “A” ASSEMBLED OVEN Oven is supplied fully assembled.

  • Page 13: Out-Of-Order

    Out-of-order TEMPORARY HALT On occasion of holidays, extraordinary maintenance, where the machine needs to be stopped, must obsrve the following instructions: • Turn off power, fuel and water. • Leave the glasses of the cooking chambers slightly open to allow a minimum air ventilation and avoid non-hygienic conditions.

  • Page 14: Residual Risks

    Residual Risks Residual risks are all potential dangers that cannot be partially or totally eliminated, and that can cause damages if operator assumes incorrect working methods/procedures. Despite all safety devices installed, some residual risks are still present, as described hereafter: Risk of burns Even if equipped with a system that reduces significantly the overflow of hot liquid from the access door, on opening the little doors of the furnace, caution is recommended when extracting the...

  • Page 15: Technical Data

    Technical data Operation description of electric furnace In fixed planes static electric furnaces the heat is transferred to the cooking product both by conduction and by radiation. The heating of the chamber takes place by means of armoured resistors (Pos. A) specially made for use in the baking industry.

  • Page 16: Place Requirements

    Place Requirements The instructions given by the manufacturer for a correct installation do not include the qualification of the oven installation area and/or nearby areas. This is the reason why it is recommended to consult a professional technician in order to comply with the local laws and/or regulations in force. Installation areas must be provided with openings large enough to allow the passage of the bulkiest parts of the machine (see the technical specs and data).

  • Page 17: Connections

    Connections OVEN CONNECTIONS The electrical, water and thermal connection must be carried out in compliance with the regulations in force. Connections must be executed by skilled staff who can issue the declarations of conformity as per law. The room complies with all the eligibility requirements previously described and according to current legislation For more information, consult the attached documentation on electrical connections.

  • Page 18: Noise Level

    HUMIDIFIER DRAIN Water in excess is discharged through a pipe located in the front - lower side of the oven. Diameter and precise position of the drain pipe are included in the technical data sheet. It is recommended that discharge pipes is slightly pointing downwards and does not exceed 2-3mts length.

  • Page 19: Demolition

    Demolition When equipment is no more of use, all its parts must be removed and disposed of according to the current laws applied in the Country of installation. For this reason, the following procedure should be applied: Have qualified staff disconnecting the electric, hydraulic and fuel feedings. Start by draining all fluids.

  • Page 20: Accessories

    Accessories Racks In the static furnace the compound to be transformed is arranged on racks or frames, placed on trolleys and subsequently used for inserting the product in the cooking chambers. In the case of rack holder trolley, always secure the racks to the trolley through the closing rod to avoid falling of the racks while loading/unloading Racks should be cleaned with hot water and normal dishwashing detergent.

  • Page 21: Racks And Frames

    Racks and frames They are designed to hold the compound to be baked and come in different shapes, materials and coating. We recommend not to use racks loaded with trays of different material and/or shape, because this could compromise baking results. The upper side should be coated with non-stick material to avoid hard maintenance operations and get better hygiene results.

  • Page 22: Electrical Equipment

    Electrical Equipment Description The electrical supply includes: ENCLOSURE Pre-painted sheet metal enclosure with hand-operated disconnector with handle; designed to house all the oven control devices. The IP54 enclosure must be secured to the oven with the support provided. BUNCHED CABLES Steel-sheathed self-extinguishing bunched cables with tight fittings.

  • Page 23: Electrical Testing

    Electrical Testing General requirements for electrical appliances in compliance with IEC 60204-1 are listed here below: Check that the electrical equipment meets the specifications contained in the technical documentation Continuity of the protection circuit Testing insulation resistance Voltage testing Functional tests Electrical testing must be performed by qualified technicians and with special and perfectly efficient instruments only once the installation has been completed but before start up.

  • Page 24: Electrical Data

    Electrical Data FEATURES TABLE The plate shows the nominal specifications referring to voltage, phases, frequency, absorbed current, power MODELLO MODELLO MODEL MODEL MODELE MODELE MODELO MODELO MATRICOLA ANNO MATRICOLA ANNO YEAR SERIAL NUMBER YEAR SERIAL NUMBER NEMERO DE SERIE ANNEE NEMERO DE SERIE ANNEE NUMERO DESERIE...

  • Page 25: Wiring Diagram

    FEATURES TABLE industrial Electromagnetic environment immunity EN 61000-6-2 and EN 61000-6-4 ≤10 Expected short circuit current at the power supply point of the machine Power supply earthing connection n.a. Neutral switch-disconnector Max impedance of the earthing connection at the point of installation (TN 2,15 Ω...
  • Page 26 chapter Installation .0-0 electric modular oven...
  • Page 27 Pag. Start-up Assembly Baking chamber assembling Casing Assembly Covering assembly Final assembly electric modular oven...
  • Page 28 Start-up The oven must be installed by a technician authorized by the oven manufacturer. Carefully comply with all accident-prevention regulations Check that the premises are in conformity with the safety and stability parameters previously indicated The floor must be flat, levelled and heat-resistant Walls next to the oven must not be inflammable Remove the packing and check the content integrity.
  • Page 29 Assembly Baking chamber assembling When handling parts to be assembled, wear protective gloves. The humidifier parts (Pos.1) are usually transported separately; in certain cases, they may be placed on the oven, for reasons of space. In this case, remove them temporarily. This operation is necessary because, although apparently installed, the humidifier is not actually sealed yet or properly fixed to the chamber.
  • Page 30 Remove the cooking planes (Pos.2) and place them in a secure place. Attention !! Handle with care the cooking planes. Avoid strokes or excessive flexions of the cooking planes. These stresses could cause cracks or even breakage of the plane Do not lay on the cooking planes heavy objects For convenience, some of the parts are placed inside the chambers or the proofer during transport.
  • Page 31 In case of narrow passageways, divide the baking chambers (Pos.4), the proofer (Pos.3) and the upper wool containment panels (Pos.5). The various parts of the oven are joined together by several screws; remove them to divide the structure. If the dimensions of the proofer (the bigger part) are excessive, it can be delivered completely disassembled.
  • Page 32 Place the proofer in its final position Use the adjustable feet (Pos.6) to level the structure correctly. Check the stability and correct closing of the proofer doors. USe the controls (Pos.7) to make the necessary adjustments. CAP: 2 PAG. 7 electric modular oven...
  • Page 33 Fit the chambers (Pos.4) back on the proofer (Pos.3) and fix them with the fixing screws and brackets previously removed When re-installing the chambers, apply silicone along the edge of the rear steam discharge ducts. Make sure that the upper manifold (Pos.18a) is correctly fixed to the valve of the last chamber and that the silicone is applied correctly.
  • Page 34 Reposition the humidifier (Pos.1) on the appropriate supports. Lay a sealing rim on the perimeter joining base, side walls and ceiling. Fix the two parts with self-threading screws. Carry out the above mentioned operation for each one of the chambers Consult annex “EC”...
  • Page 35 Casing Assembly Install the insulating containment panel of the humidifier (Pos.9), inserting the thermoinsulating material between the panel and the humidifier Install the rear (Pos.10) and lateral cover panels (Pos.11) inserting the thermoinsulating material between the panel and the oven side. This is a very important operation in order to guarantee ideal insulation.
  • Page 36 Covering assembly Install the front upper panel (Pos.12) Position the rear compensator of the cover (Pos.13) using self-tapping screws. Join the rear panel (Pos.14) and the side panels (Pos.15 and Pos.16) using M6 nuts and screws. The newly assembled cover strip must be placed above the chamber cover panels and fixed to the front upper panel.
  • Page 37 Final assembly Screw the handles (Pos.17) to the glasses handling related discs. Tighten and scew fully. To protect the handle from any "damage" we recommend locking it with a thread-locking fluid Position and fix the steam extraction box (Pos.28) with self-tapping screws. Use a flexible stainless steel tube (Pos.19) to connect the extraction box (Pos.18) to the manifold of the steam valves (Pos.18a).
  • Page 38 Use self-tapping screws to install the lateral compensator of the top cover (Pos.22) . Install a cooling fan above the electrical panels, on the aforementioned compensator. Position the junction box of the electrical system (Pos.23) on the cover of the oven. Connect the junction box to the panel installed on the baking chamber following the wiring diagram (annex "F") Carry out the above mentioned operation for each one of the chambers...
  • Page 39 Make sure that all the connections to the oven have been made correctly, according to the Specifications in the Instruction Manual. Install the hood (Pos.25) using M6 screws and nuts. Install the protective sheet metal (Pos.26) on the cover of the water inlet unit using self-tapping screws.
  • Page 40 Use the handles to move the windows of the chambers up. Insert the baking plates (Pos.2) . Make sure the baking plates are properly placed against the back wall. CAP: 2 PAG. 15 electric modular oven...
  • Page 41 After inserting the baking plates, position and fix the sheet metal plate stoppers (Pos.27) using M6 countersunk head screws. PAG. 16 CAP. 2 electric modular oven...
  • Page 42 chapter Testing Adjustments Maintenance Malfunctioning .0-0 electric modular oven...
  • Page 43 Pag. Operation checks Motor rotation Water Feeding Circuit Baking timer Thermostatation Final test Oven heating Baking test Maintenance Weekly maintenance Six-months maintenance Replacement or cleaning of the glasses Lamp replacement Malfunctions Assistance electric modular oven...
  • Page 44 Operation checks Motor rotation Use the relevant key to start the steam extractor (Pos.1) Check the correct direction of rotation shown in the figure If the direction of rotation is incorrect, turn off the machine immediately and correct the direction of rotation of the motor.
  • Page 45 Baking timer Check the end-of-cycle buzzer setting a baking time of 5 minutes. Start counting the baking time After 5 minutes the buzzer will be enabled. Silence it by means of the relevant control. Thermostatation Thermostatation means the ability of the oven to modulate the heating system (burner or heating elements) according to the baking temperature set.
  • Page 46 Final test Oven heating Lay some weights on the cooking planes in such a way to prevent the irremediable curvature that it would have on these planes with the first heating. Fully open the steam discharge shutter (Pos.4) Close and lock the door Start the steam exhauster CAP.
  • Page 47 HOURS h Set a temperature of about 25°C. USe the relevant selector switch to start the ceiling and bed plate heating elements. At this point, the chambers and the steam generator start heating up. Increase gradually the furnace temperature by 25 °C every hour until reaching the temperatre of 90°C.
  • Page 48 Baking test Make sure that all the terminals of the different electrical parts installed on the panel are suitably tightened. Make sure that all the heating element power supply cables are intact and firmly locked on the heating element terminals. Make sure that the electrical tests described in the relevant paragraph have been properly done and that the technician filled and signed the proper form.
  • Page 49 Maintenance For the ideal performance of the machine under safety conditions, the following maintenance and clearing operations must be followed Weekly maintenance The user is responsible for weekly maintenance always in compliance of the safety regulations contained in this instructions manual. Power off the oven By means of a stiff-bristled vacuum cleaner, remove all powders from motors, transmission gears and control panel.
  • Page 50 Replacement or cleaning of the glasses Raise fully the little door glass (Pos. 1). Remove the fixing nuts of the glass (Pos. 2). Extract the glass (Pos. 3). Pay attention to the ring gaskets inside the glass holes. Clean or replace the glass. Reassemble: Never clean glass parts when they are still hot.
  • Page 51 Lamp replacement Power off the oven To access the lamp : - Unscrew the casing fixing screws and remove the above mentioned casing (Pos. 1) - Unhook the lamp support rod (see arrow - Pos. 2). - Extract the lamps support rod (Pos. 3). - Proceed with the replacement of the lamp with one of equal type.
  • Page 52 Malfunctions Any intervention on the electrical and electronic components of the machine must be carried out only by qualified staff well trained in electrical parts functions and the measures to follow in order to handle them avoiding personal injuries and injuring others. Malfunctions Probable Causes Solutions...
  • Page 53 Assistance Oven Service If the cause is the oven malfunction, contact the authorized dealer who has sold the machine and who can provide information on a wide range of products and an appropriate service support. The intervention for the service to be provided must be agreed according type of malfunction. In case of ordinary maintenance, the intervention will be planned on the short distance.
  • Page 54 chapter Instrumentation Production cycle .0-0 DIGITAL INSTRUMENTATION electric modular oven...
  • Page 55 Pag. Instrumentation Initial settings Switch the controller on and off Set the time Set the day Set the ceiling and bedplate temperature Set and change the baking time Production cycle Startup Start the baking timer End of the baking cycle Stop the baking timer before the end Automatic restart Set the automatic restart time...

  • Page 56: Instrumentation

    Instrumentation CEILING DISPLAY BEDPLATE DISPLAY PAG. 4 CAP. 4 ELE FE1 electric modular oven...
  • Page 57 SET TEMPERATURE to set the ceiling or bedplate set point BAKING TIMER to set the baking time START baking time start and stop CLOCK to set the current time and the automatic oven restart timer DAILY REPEAT to set the current day and enable the automatic restart days PROGRAMS to set and enable the baking programs STEAM EXTRACTOR...

  • Page 58: Initial Settings

    Initial settings Switch the controller on and off Hold the ON/OFF key for several seconds if the instrument is on, it will turn off; if it is off, it will turn on. Once on, the controller starts bringing the oven to temperature, according to the set temperatures Set the time Hold the CLOCK key for 3 seconds...

  • Page 59: Production Cycle

    Production cycle Startup Activate the supply of the oven (power e water) Set the required temperature on the temperature control. Set the cooking time on the relative timers and the required drying time. Wait approx. 30 minutes to allow the oven and the humidifier to reach the desired temperature.

  • Page 60: Automatic Restart

    Automatic restart Set the automatic restart time You can set the oven to restart automatically at a certain time but only if the controller is on. Press and release the CLOCK key The TIME display shows the restart time; the minutes are blinking. Use the UP and DOWN arrows on the right to change the minutes.

  • Page 61: Baking Programs

    Baking programs The instrument can memorise up to 9 baking programs and for each of them, it can memorise: - the (set) temperature of the bedplate - the (set) temperature of the ceiling - the baking time You cannot select or modify any program during the baking cycle. Setting a program with the oven RUNNING Press and release the PROGRAMS key;...

  • Page 62: Steam

    Steam Steam generator When you press the STEAM GENERATOR key , the Steam Generator turns on or off. When the steam generator is on, the LED of the key is Steam injection The steam injection function is enabled only if the LED of the Steam Generator is on. Once the steam output is enabled, it remains on for a certain time that can be set from the keyboard.

  • Page 63: Energy Saver Function

    Energy Saver Function The ENERGY SAVER function can be enabled by pressing the relevant key. If both areas, the ceiling and the bedplate, require power at the same time, this function prevents the overloading of the power supply line and alternates the activation of the two areas.

  • Page 64: Useful Information

    4.10 Useful Information Cooking time in particular can vary according to the type of dough, its homogeneity and volume. Make sure you carefully monitor the first baking cycles and check the results achieved: using the same types of dough under the same conditions, you will obtain standard results. The heat needed to process your dough depends on its preparation, ingredients and liquids.
  • Page 65 chapter Spare parts .0-0 electric modular oven...
  • Page 66 Pag. Description Spare parts Cell Front Cooking chamber unit Casing Gyrohood electric modular oven...
  • Page 67 5.1 Description In replacing any components always use original replacements. To order spare parts, identify the model and mention the serial number on the EC rating plate of the oven. Cites the paragraph, position, reference and description of the part to be replaced as shown in this instruction book.
  • Page 68 Spare parts Electric board (control section) - Cell see annex F see annex F Electric board (control section) Pag. 6 Cell Pag. 9 Front PAG. 4 CAP. 5 electric modular oven...
  • Page 69 Pag. 12 Electric cooking chamber see annex F Electric board (power section) Pag. 15 Casing Pag. 16 Gyrohood CAP. 5 PAG. 5 electric modular oven...
  • Page 70 Cell code PRC 50/2 HEATING ELEMENT FOR PROOFER PRC 51 BASIN FOR PROOFER STEAM GENERATOR PRC 4/2 TRAY-HOLDER ANGLE PRC 45/1 DOOR OF PROOFER STEAM GENERATOR COMPARTMENT PRC 6/4 MAGNET LOCK FOR PROOFER DOOR PAG. 6 CAP. 5 electric modular oven...
  • Page 71 Ventilated Proofer code PRCE 42 PROBE FOR LEVEL REGULATOR PRR 22 WATER SOLENOID VALVE - COMPLETE PRR 26 WATER SOLENOID VALVE FILTER PRR 57/2 AUTOMATIC PROOFER HEATING ELEMENT PRR 52/5 STRAIGHT SHEATH FASTENER PRC 81 FLEXIBLE STAINLESS STEEL TUBE Ø70 PRR 97 FAN FOR AUTOMATIC PROOFER PRCE 52...
  • Page 72 Door of Proofer Trays Compartment code PRC 66/3 HINGE FOR PROOFER DOOR PRC 29/4 HANDLE FOR PROOFER DOOR PRC 45/2 DOOR OF PROOFER TRAYS COMPARTMENT PAG. 8 CAP. 5 electric modular oven...
  • Page 73 Front code PRC 30/2 MOTION ASSEMBLY FOR DOOR GLASS - DECK OVEN PRC 1/1 RING FOR SLIDING OF STEAM EXHAUST SHAFT PRC 24/3 DOOR GLASS GASKET PRR 15/6 PROFILE FOR BAKING DECK BLOCKING CAP. 5 PAG. 9 electric modular oven...
  • Page 74 HANDLE ASSEMBLY code PRC 6/3 SELF-LOCKING COUPLING FOR DOOR GLASS MOTION PRC 18/1 RING NUT FOR DOOR GLASS PRC 13 SUPPORT DISK FOR DOOR GLASS HANDLE PRC 18/2 RING NUT FOR DOOR GLASS MOTION PRC 29/3 HANDLE FOR DOOR GLASS PAG.
  • Page 75 MOTION ASSEMBLY FOR DOOR GLASS code PRC 11/7 FASTENING NUT FOR DOOR GLASS PRC 24/1 ROUND DOOR GLASS GASKET SUPPORT PIPE FOR DOOR GLASS COMPLETE WITH BRACKETS AND PRC 73/1 ROTATION SHAFT PRC 85 DOOR GLASS FOR DECK OVEN PRC 45/3 DOOR GLASS PROTECTION - STAINLESS STEEL CAP.
  • Page 76 Electric cooking chamber code PRC 15/4 HEATING ELEMENT "NARROW" - DECK OVEN PRC 39/2 BAKING TILE - FYDRO - FOR DECK OVEN PRC 17 FLANGE FOR LAMP GLASS PRR 96/2 LIGHT GLASS PRR 9/5 ILLUMINATION UNIT INSULATING CONTAINMENT PANEL PAG. 12 CAP.
  • Page 77 LAMP HOLDER BAR code PRR 76/3 HALOGEN LAMP BRACKET PRR 50/1 LAMP HOLDER FOR HALOGENOUS LAMP PRR 34/1 OVEN ILLUMINATION HALOGENOUS LAMP CAP. 5 PAG. 13 electric modular oven...
  • Page 78 Electric cooking chamber- Electric board (power section) code PRR 53/2 DERIVATION BOX FOR CABLES PRR 28 SHEATH FA-21 PRR 72 PROBE FOR ELECTRONIC THERMOREGULATOR PRC 48/6 Electric board (power section) - SEE ANNEX “F” PRC 83 THERMOSTAT FOR STEAM GENERATOR PAG.
  • Page 79 Casing code PRC 35/1 PANEL "REAR" - PAINTED STEEL PRC 35 PANEL "LATERAL" - PAINTED STEEL CAP. 5 PAG. 15 electric modular oven...
  • Page 80 Gyrohood code PRC 6/1 HOOD PRC 83/5 FAN FOR AIR CIRCULATION PAG. 16 CAP. 5 electric modular oven...
  • Page 82 www.macpan.com...

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