Middleby Marshall PS536-Series Owner's Operating And Installation Manual
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Middleby Marshall PS536-Series Owner's Operating And Installation Manual

Ps536-series
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Middleby
Middleby
Middleby
Middleby
Middleby
Marshall
Marshall
Marshall
Marshall
Marshall
A MIDDLEBY COMPANY
owner's
operating
& installation
manual
PS536-Series OVENS
Model PS536ES
PS536ES (Double)
©2005 Middleby Marshall
®
Inc.
PS536-Series Electric Ovens: English
PS536ES (Single)
PS536ES (Triple)
Part No. 58367
Price $30.00
P: 08/08 Rev. B

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  • Page 1 Middleby Middleby Middleby ® Marshall Marshall Marshall Marshall Marshall A MIDDLEBY COMPANY owner's operating & installation manual PS536-Series OVENS PS536ES (Single) Model PS536ES PS536ES (Double) PS536ES (Triple) Part No. 58367 Inc. ©2005 Middleby Marshall Price $30.00 P: 08/08 Rev. B...
  • Page 2 Contact your authorized Service Agency to perform maintenance and repairs. A Service Agency Directory is supplied with your oven. NOTICE Using any parts other than genuine Middleby Marshall factory-manufactured parts relieves the manufacturer of all warranty and liability. NOTICE Middleby Marshall (Manufacturer) reserves the right to change specifications at any time.
  • Page 3 © 2005 - Middleby Marshall, A Middleby Company. The Middleby Marshall logo is a registered trademark of Middleby Marshall, A Middleby Company. Middleby Marshall Inc. • 1400 Toastmaster Drive • Elgin, Illinois 60120-9272 U.S.A. • (847) 741-3300 • FAX: (847) 741 4406...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS (Continued) Page Page SECTION 1 Daily Startup ..............24 I. MODEL IDENTIFICATION ..........1 Power Failure ............... 24 SERIES PS536 ELECTRICAL SPECIFICATIONS ..... 2 B. Shutdown Procedure ..........24 II. PRINCIPLE OF AIR FLOW ..........3 A.Daily Startup Procedure ..........

  • Page 5: Model Identification

    SECTION 1 DESCRIPTION I. MODEL IDENTIFICATION The Middleby Marshall PS536ES-Series may be used either as a single oven or stacked for use as double or triple ovens. The major difference between the oven models in this series is the width of the conveyor.

  • Page 6: Series Ps536 Electrical Specifications

    SECTION 1 DESCRIPTION PS536ES SERIES OVEN SPECIFICATIONS Table 1-1: Dimensions Overall Height: single oven with 17-1/2" (446mm) legs 43-1/2" (1105mm) double oven with standard 17-1/2" (446mm) legs 63" (1600mm) double oven with optional 20-1/2" (521mm) legs 66" (1676mm) double oven with optional 25-1/2" (648mm) legs 71"...

  • Page 7: Principle Of Air Flow

    SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW The fan-style blower draws air into the oven plenum where PS536ES-Series Oven is light in color: To reflect more it is heated. The blower then pushes the hot air through the heat back onto the food product. air fingers into the baking chamber.

  • Page 8: Principle Of Air Flow (Continued)

    SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW (Continued) B. Air Fingers The PS536ES-Series Ovens are conveyorized ovens that Series ovens used to bake pizza have four bottom fingers employ vertical jets of hot air streaming from air fingers and two top fingers. For special product baking require- (Figure 1-5) to give uniform, intense heating.

  • Page 9: Iii. Component Function

    SECTION 1 DESCRIPTION III. COMPONENT FUNCTION (Figure 1-6) Figure 1-6. PS536ES-Series Oven Components Locations...

  • Page 10: Conveyor Motor And Conveyor Belt

    SECTION 1 DESCRIPTION III. COMPONENT FUNCTION A. Conveyor Motor and Conveyor Belt The conveyor belt is driven by a variable-speed electric motor (Figure 1-7) operating through a gear reducer. The motor speed is controlled by a digital control. The stain- less-steel wire belt can travel in either direction at variable rates ranging from 3 minutes to 30 minutes;...
  • Page 11 SECTION 1 DESCRIPTION Figure 1-8. Cooling Fan...
  • Page 12 SECTION 1 DESCRIPTION F2. Blank Plates 1. Blank Plates- The Blank Plates are available to install on the plenum where an air finger is not required. Half Blank Plate Outer Plate Inner Plate Blank Plate Finger Manifold Assembly Baffle Figure 1-9. Blank Plates (two sizes) and an Air Finger.

  • Page 13: Unloading

    NOTE: The oven, when installed, must be electrically I. UNLOADING grounded in accordance with local codes, or in the ab- Your Middleby Marshall PS536ES-Series Oven is shipped sence of local codes, with the National Electrical Code partially assembled. It will arrive in a carton on a crate.

  • Page 14: Ps536 Oven Installation

    SECTION 2 INSTALLATION PS536ES OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT TYPE PS536ES PS536ES PS536ES PS536ES Single Oven Double Oven Triple Oven Additional Cavity INSTALLATION Installation Installation Installation Installation Kit P/N Kit P/N Kit P/N Kit P/N 44919 44920 44921 44974 45529 (CE) 45530 (CE) 45531 (CE)

  • Page 15: Installation Section

    SECTION 2 INSTALLATION Figure 2-1 - Installation Kit INSTALLATION KIT - see Figure 2-1 Qty. Qty. Qty. Inc. with Inc. with Single Double Triple domestic Item Oven Oven Oven Part No. ovens? ovens? Description 48605 Top panel 3A80A8801 Screw, pan head #10 x 2″ 42893 Base pad 42890...
  • Page 16 SECTION 2 INSTALLATION Figure 2-5. MODEL PS536ES SINGLE OVEN DIMENSIONS ELECTRICAL JUNCTION BOX RECOMMENDED MINIMUM CLEARANCES: Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″ Control End of Oven to Wall - 0″...
  • Page 17 SECTION 2 INSTALLATION Figure 2-6. MODEL PS536ES DOUBLE OVEN DIMENSIONS ELECTRICAL JUNCTION BOX RECOMMENDED MINIMUM CLEARANCES: Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″ Control End of Oven to Wall - 0″...

  • Page 18: Restraint Cable Installation

    SECTION 2 INSTALLATION ELECTRICAL JUNCTION BOX RECOMMENDED MINIMUM CLEARANCES: Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″ Control End of Oven to Wall - 0″ Figure 2-7. MODEL PS536ES TRIPLE OVEN DIMENSIONS RESTRAINT CABLE INSTALLATION Install the restraint cable assembly on the oven, as shown in Figure 2-6.

  • Page 19: Utility Rough-In Dimensions And Positioning

    SECTION 2 INSTALLATION UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS540-SERIES OVENS WARNING DO NOT USE CONDUIT OR GAS LINE FOR GROUND CONNECTION. 24" CAUTION 610mm IT IS REQUIRED THAT THE OVEN BE 27" PLACED UNDER A VENTILATION 686mm HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION.

  • Page 20: Ventilation Guidelines

    A mechanically driven ventilation system is required for The rate of air flow exhausted through the ventilation the PS536ES Series Middleby Marshall conveyorized system is generally between 1400 and 2500 cu. ft./min. electric ovens. The minimum hood canopy dimensions are...

  • Page 21: Electrical Connection Information For Ps536-Series Ovens

    SECTION 2 INSTALLATION III. ELECTRICAL CONNECTION IV. ELECTRIC SUPPLY FOR INFORMATION FOR PS536ES-SERIES ELECTRICALLY HEATED OVENS OVENS. Power requirements for electrically heated ovens are usually 208 - 240VAC, 3-phase, 4-wire (3 ‘hot’, 1 ground), although ovens built for export can have power require- WARNING ments of 380VAC and 480VAC.

  • Page 22: Conveyor Rear Stop And End Stop Installation

    SECTION 2 INSTALLATION VI. CONVEYOR REAR STOP AND END STOP INSTALLATION Locate the conveyor rear stop and end stop in the installation kit. Install the rear stop and end stop at the exit end of the oven. See Figure 2-13. Figure 2-13.

  • Page 23: Control Functions

    SECTION 3 OPERATION SECTION 3 OPERATION I. CONTROL FUNCTIONS Figure 3-1. PS536ES-Series Oven Control Functions WARNING A possibility of injury from rotating parts and electric shock exists in this oven. Never disassemble or clean the oven with the BLOWER/HEAT switch or any other oven control turned “ON”...

  • Page 24: Component Information And Location

    SECTION 3 OPERATION II. COMPONENT INFORMATION AND burner cannot light, if the air switch does not sense air flow off the main blower fan. LOCATION (Figures 3-1 and 3-2) C. Heat Switch A. Door Safety Switch Turning the HEAT switch to “ON” or“I” will initially set up The Door Safety Switch is located at the lower left side of the oven purge circuit.

  • Page 25: Conveyor

    SECTION 3 OPERATION E. Conveyor The on-off switch for the conveyor motor is on the control panel. Also on the control panel is the digital conveyor speed control. The digital control can be adjusted from 3 min. to 30 min. bake time (conveyor speed). Refer to Figure 3-3.

  • Page 26: Step-By-Step Operation

    SECTION 3 OPERATION 4. Set the temperature controller to the desired baking WARNING temperature. See section on bake times to determine desired temperature. OVEN MUST BE KEPT CLEAR OF COMBUSTIBLES AT ALL TIMES. NOTE: For complete temperature controller operation instructions refer to Step C. III.
  • Page 27 SECTION 3 OPERATION Figure 3-6. Control Panel LOCATION AND DESCRIPTION OF CONTROLS "BLOWER" Switch: Turns the blowers and Digital Temperature Controller: Continuously cooling fans on and off. The HEAT Switch has monitors the oven temperature. Settings on the no effect unless the BLOWER Switch is in the Digital Temperture Controller control the activa- “ON”...

  • Page 28: Normal Operation - Step-By-Step

    SECTION 3 OPERATION II. NORMAL OPERATION - STEP-BY-STEP Wait for the oven to heat to the setpoint temperature. Higher setpoint temperatures will require a longer wait. The oven DAILY STARTUP PROCEDURE can reach a temperature of 500°F (232°C) in approximately 5 minutes.
  • Page 29 SECTION 3 OPERATION III. QUICK REFERENCE: DIGITAL TEMPERATURE CONTROLLER Display "HEAT ON" Shows the Set Point Light or the Actual Tem- Lights when the perature in degrees burner is in Fahrenheit (F) or operation. Celsius (C). "SP LOCK" Light Lights when the "SET PT"...

  • Page 30: Quick Reference: Troubleshooting

    Check that the set temperature and bake time settings are overcooked or rectly. correct. undercooked. IF THESE STEPS FAIL TO RESOLVE THE PROBLEM, CONTACT YOUR LOCAL MIDDLEBY MARSHALL AUTHORIZED SERVICE AGENT. A SERVICE AGENCY DIRECTORY IS SUPPLIED WITH YOUR OVEN.

  • Page 31: Section 4 Maintenance

    SECTION 4 MAINTENANCE SECTION 4 MAINTENANCE WARNING Possibility of injury from rotating parts and electrical shock exist in this oven. Turn off and lockout or tagout electrical supply to oven(s) before attempting to disassemble, clean or service oven(s). Never disas- semble or clean the oven with the blower switch or any other part of the oven turned on.

  • Page 32: Maintenance - Daily

    SECTION 4 MAINTENANCE I. MAINTENANCE - DAILY D. Crumb Pans (Figure 4-2) Remove and clean the crumb pan at each end of the oven. A. Exterior Each crumb pan can be removed by sliding it out, as Everyday you should clean the outside of the oven with a shown in Figure 4-2.

  • Page 33: Maintenance - Monthly

    NOTE: The oven interior may require cleaning more You can order non-caustic cleaner from your local autho- than once a month depending on the volume of rized Middleby Marshall Parts Distributor in the quantities baking. To clean the interior, you have to disassemble listed below: some parts of the oven.
  • Page 34 SECTION 4 MAINTENANCE 4. Remove conveyor drive chain cover as shown. 5. Remove tension from drive chain by lifting and pushing the conveyor slightly into the oven. Remove drive chain from conveyor drive sprocket as shown. NOTE: The split belt conveyor assembly can only be removed from the drive end of the oven.

  • Page 35: Air Fingers Disassembly For Cleaning

    SECTION 4 MAINTENANCE B. Air Fingers Disassembly For Cleaning 1. As the air fingers are removed use a felt pen to mark all parts of the fingers. This includes the finger manifold, inner plate and the outer plate (refer to Figure 1-9). If a blank or choke plate is used, mark that plate also.

  • Page 36: Cleaning The Window

    SECTION 4 MAINTENANCE 6. To remove the inner plate, pull the plate out and then up. D. Reassembly of Air Fingers 1. Air fingers are made up of one inner plate, one outer plate and the finger housing manifold. Be sure to match up the markings (T1, T2, T3, etc.) on all the parts of the air fingers as you are reassembling.
  • Page 37 SECTION 4 MAINTENANCE 4. Replace the air fingers by pushing in at the back side. Remember to replace them according to the numbers IMPORTANT: Only M6 Fingers fit in the bottom marked on them when they were removed. They must go row.
  • Page 38 SECTION 4 MAINTENANCE 5. Install fingers and blank plates correctly with edges interlocked and no space between edges. Incorrect - Too Top Finger Much Space Blank Plate Tab on Outer Plate of Finger Located in Groove Incorrect - Too Top Finger Much Space Blank Plate Tab on Outer Plate of Finger...

  • Page 39: Reinstall End Plugs

    SECTION 4 MAINTENANCE E. Reinstall End Plugs 1. Reinstall lower end plug. Be sure to tighten two wing screws on the end plug. 2. Reinstall conveyor. 3. Reinstall upper end plug. Be sure to tighten two wing screws on the end plug. Figure 4-20.

  • Page 40: Conveyor Reassembly Into Oven

    SECTION 4 MAINTENANCE F. Conveyor Reassembly Into Oven G. Checking Conveyor Belt Tension 1. Lift conveyor and position it in oven as shown. WARNING NOTE: Conveyor assembly may be inserted into either Oven conveyor belt must be cool when adjusting end of oven.

  • Page 41: Conveyor Belt Link Removal

    SECTION 4 MAINTENANCE H. Conveyor Belt Link Removal 4. Unhook the link to be removed. 1. Using long nose pliers, an entire link can be removed 5. Pull up on the belt link section and remove. Do not with the conveyor assembly either in or out of the oven. discard the link removed as it may be used for making Position master links at end of conveyor as shown in spare master links.

  • Page 42: Replacing Conveyor Belt

    SECTION 4 MAINTENANCE 6. Reconnect the inside master links (Figure 4-30.) I. Replacing Conveyor Belt If a section of the conveyor belt needs replacing it can be done with the conveyor assembly either in or out of the oven. The section of the conveyor belt furnished with the oven in the installation kit may then be used to replace a section.

  • Page 43: Maintenance - Every 3 Months

    Shut OFF gas supply to oven. NOTE: It is recommended that the 3-month mainte- nance be performed by an authorized Middleby Marshall technician. Cleaning the Blower/Fan Motor To gain access to the blower/fan motor, open the control cabinet door by removing the three screws.

  • Page 44: Electrical Terminals

    SECTION 4 MAINTENANCE B. Electrical Terminals C. Ventilation Open the control cabinet door by removing the three Check that the air circulation throughout the oven is not screws from the control cabinet door. Tighten all electrical blocked and is working properly. control terminal screws including the electrical contactor terminal screws as shown in Figure 4-37.

  • Page 45: Split-Belt Conveyor Shaft Cleaning

    SECTION 4 MAINTENANCE D. Split-belt Conveyor Shaft Cleaning 4. Drop the idler shaft assembly clear of the frame through the front frame slot. It is very important that the split-belt conveyor drive and idler shafts are removed from the conveyor frame for cleaning and lubrication.
  • Page 46 SECTION 4 MAINTENANCE 6. Make sure bronze washer is in between the two halves. 9. Loosen the split locking collar. Figure 4-42. 7. Place the idler shaft assembly back into place and reinstall the adjustment screws. Figure 4-45. 10. Remove drive shafts by sliding to right then lifting the left side.

  • Page 47: Maintenance - Every 6 Months

    16. Follow conveyor reassembly instructions in Monthly Maintenance Paragraph “F”. NOTE: It is recommended that the 6 Month Maintenance schedule be performed by a Middleby Marshall authorized service technician. IV. MAINTENANCE - EVERY 6 MONTHS Figure 4-49.

  • Page 48: Key Spare Parts Kit

    Replacement parts for this kit can be purchased from your (Figure 4-52). (The kit can be purchased when the oven is Middleby Marshall Authorized Parts Distributor. ordered, or later, from a Middleby Marshall Authorized Parts Distributor). The kit contains many of the crucial 12, 13 14, 15, 16, 17 ITEM QTY.

  • Page 49: Section 5 Troubleshooting

    30 seconds. Turn temperature Start the oven again. If the oven still does not Set the conveyor speed control to correct heat, call your Middleby Marshall Service Agency. control at correct setting. setting. Verify the food PROBLEM: preparation process.
  • Page 50 SECTION 5 TROUBLESHOOTING NOTES...

  • Page 51: Section 6 - Parts List

    SECTION 6 PARTS LIST SECTION 6 - PARTS LIST...
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  • Page 64 SECTION 6 PARTS LIST NOTES...

  • Page 65: Electrical Schematics

    SECTION 7 ELECTRICAL SCHEMATICS SECTION 7 ELECTRICAL SCHEMATICS CB8-63A SSR2 DISYUNTOR CONTROLADOR DISJONCTEUR CONTROLEUR SCHALTSCHUTZ TRENNSCHALTERS " BREAKER CIRCUIT CONTACTOR CB7-63A SSR1 CONTROLADOR DISYUNTOR DISJONCTEUR CONTROLEUR TRENNSCHALTERS SCHALTSCHUTZ " BREAKER CIRCUIT CONTACTOR COM1 COM2 THERMOSTATO VENTILATOR-SPOLPADO TEMPERATURE INTERRUPTOR CONTROLEUR VENTILATEUR COMMUTATEUR TEMPERATURSCHALTER "...
  • Page 66 SECTION 7 ELECTRICAL SCHEMATICS CB8-63A SSR2 DISYUNTOR CONTROLADOR CONTROLEUR DISJONCTEUR SCHALTSCHUTZ TRENNSCHALTERS " BREAKER CIRCUIT CONTACTOR CB7-63A SSR1 DISYUNTOR CONTROLADOR DISJONCTEUR CONTROLEUR SCHALTSCHUTZ TRENNSCHALTERS " CONTACTOR BREAKER CIRCUIT COM1 COM2 THERMOSTATO VENTILATOR-SPOLPADO TEMPERATURE INTERRUPTOR CONTROLEUR VENTILATEUR COMMUTATEUR TEMPERATURSCHALTER " GEBLASESCHALTER "...
  • Page 67 SECTION 7 ELECTRICAL SCHEMATICS CB8-63A SSR2 DISYUNTOR CONTROLADOR DISJONCTEUR CONTROLEUR SCHALTSCHUTZ TRENNSCHALTERS " BREAKER CIRCUIT CONTACTOR CB7-63A SSR1 DISYUNTOR CONTROLADOR DISJONCTEUR CONTROLEUR TRENNSCHALTERS SCHALTSCHUTZ " CONTACTOR BREAKER CIRCUIT COM1 COM2 THERMOSTATO VENTILATOR-SPOLPADO TEMPERATURE INTERRUPTOR CONTROLEUR VENTILATEUR COMMUTATEUR TEMPERATURSCHALTER " GEBLASESCHALTER "...
  • Page 68 NOTICE During the warranty period, ALL parts replacement and servicing should be performed by your Middleby Marshall Authorized Service Agent. Service that is performed by parties other than your Middleby Marshall Authorized Service Agent may void your warranty. NOTICE Using any parts other than genuine Middleby Marshall factory manufactured parts relieves the manufacturer of all warranty and liability.

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