Middleby Marshall PS536ES Owner's Operating And Installation Manual
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Middleby Marshall PS536ES Owner's Operating And Installation Manual

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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: 10/06

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Summary of Contents for Middleby Marshall PS536ES

  • Page 1 Middleby Marshall Marshall Marshall Marshall Marshall A MIDDLEBY COMPANY owner's operating & installation manual PS536-Series OVENS Model PS536ES PS536ES (Double) Inc. ©2005 Middleby Marshall ® PS536-Series Electric Ovens: English PS536ES (Single) PS536ES (Triple) Part No. 58367 Price $30.00 P: 10/06...
  • Page 2 Contact your authorized Service Agency to perform maintenance and repairs. A Service Agency Directory is supplied with your oven. Using any parts other than genuine Middleby Marshall factory-manufactured parts relieves the manufacturer of all warranty and liability. 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 Serial No.

  • Page 4: Table Of Contents

    Wiring Diagram, E380-480 50/60, 3PH 5W PS536 ... 64 Wiring Diagram, E380V 50/60, 3PH 5W PS536 ... 65 Wiring Diagrams are in Section 7 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console. (Continued)

  • Page 5: Model Identification

    The major difference between the oven models in this series is the width of the conveyor. A single PS536ES-Series Oven (Figure 1-1) is mounted on a base pad with legs and casters. A double oven (Figure 1- 2) consists of two, stacked, single ovens. A triple oven (Figure 1-3) consists of three stacked single ovens.

  • 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 double oven with standard 17-1/2" (446mm) legs double oven with optional 20-1/2" (521mm) legs double oven with optional 25-1/2" (648mm) legs triple oven with 6" (152mm) legs...

  • Page 7: Principle Of Air Flow

    This is the reason that the inside of a Figure 1-4. PS536ES-Series Oven Air Flow PS536ES-Series Oven is light in color: To reflect more heat back onto the food product. Convection: This path has to do with moving a volume of air.

  • Page 8: Principle Of Air Flow (Continued)

    A PS536ES-Series Oven can accommodate up to four bottom air fingers and four top air fingers. Some PS536ES- Manifold Air Flow From Plenum...

  • Page 9: Iii. Component Function

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

  • Page 10: Component Function

    B. Blower Fan The blower fan is located at the rear of the oven. This blower forces heated air through the air fingers. The BLOWER/Heat switch must be set to “ON” or “I” for oven warmup and baking.
  • Page 11 SECTION 1 DESCRIPTION Figure 1-8. Cooling Fan...
  • Page 12 SECTION 1 DESCRIPTION Half Blank Plate Outer Plate Inner Plate Blank Plate Finger Manifold Assembly Figure 1-9. Blank Plates (two sizes) and an Air Finger. F2. Blank Plates 1. Blank Plates- The Blank Plates are available to install on the plenum where an air finger is not required. Baffle...

  • Page 13: Section 2 I. Unloading

    SECTION 2 INSTALLATION I. UNLOADING Your Middleby Marshall PS536ES-Series Oven is shipped partially assembled. It will arrive in a carton on a crate. Carton size for a PS540-Series Oven is: 58″ (2134mm) Long ×...

  • Page 14: Section 2 Installation

    SECTION 2 INSTALLATION TYPE PS536ES Single Oven INSTALLATION Installation Kit P/N 44919 45529 (CE) PS536ES Single Oven PS536ES Double Oven PS536ES Triple Oven PS536ES OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PS536ES PS536ES Double Oven Triple Oven Installation Installation Kit P/N...

  • Page 15: Installation Section

    NOTE: Domestic and standard export ovens include 2 braking casters (item 5) and 2 non-braking casters (Item 6). CE-approved ovens include 4 non-braking casters (Item 6) SOLELY for the purpose of moving the oven to the installation location. Casters are NOT suitable for use as part of CE oven installations.
  • 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 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. Figure 2-8. Restraint Cable Assembly Installation ELECTRICAL JUNCTION BOX RECOMMENDED MINIMUM CLEARANCES: Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″...

  • Page 19: Circuit Breaker

    ELECTRICAL SPECIFICATIONS DOMESTIC or EXPORT: 208-240V blower motor, 1 phase, 4.1 Amp draw, 50/60 Hz, 208-240V control circuit, 2 poles, 3-wire system per oven (2 hot, 1 grd). Do NOT use conduit for ground. GAS RATING Model PS540 is 110,000 BTU/hour (27,720 kcal), 32.2 kW/hr.

  • Page 20: Ventilation Guidelines

    SECTION 2 INSTALLATION II. VENTILATION GUIDELINES A mechanically driven ventilation system is required for the PS536ES Series Middleby Marshall conveyorized electric ovens. The minimum hood canopy dimensions are outlined below. Local codes and conditions vary greatly from one area to another and must be complied with.

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

    (copper) recommended to provide the current required; (refer to the data plate for the ampere specifications). The electric current rating for each conductor supplying a PS536ES-Series Oven must comply to local and national codes. Typical specifications for each PS536ES-Series Oven are 208V or 240V, 3-phase, 4-wire, 60-ampere, 17kW;...

  • Page 22: Conveyor Rear Stop And End Stop 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. Installing Rear and End Stops...

  • 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

    B. Blower Switch The blower switch has two positions. The switch must be “ON” or “I” for the burner to come on and permit the oven to warm up. The fan circulates the air throughout the oven and must stay on during baking and during the cool down cycle above 200°F (93°C) to prevent blower bearing...

  • Page 25: Conveyor

    This should be the conveyor speed shown on the conveyor speed digital control. NOTE: In Figures 3-4 and 3-5, the oven shown is with the conveyor running right to left. WARNING Possibility of injury from rotating parts and electrical shock exist in this oven.

  • Page 26: Step-By-Step Operation

    The cooling fan, located at the rear of the electrical control cabinet blows air into and through the cabinet. Air is exhausted through the front of the cabinet and also out the front of the oven. Refer to Daily Maintenance Section for fan intake checking procedure. IMPORTANT NOTE The cooling fan operates when the BLOWER/ HEAT switch is turned “ON”...

  • Page 27: Location And Description Of Controls

    "FRONT" and "BACK." Figure 3-6. Control Panel Digital Temperature Controller: Continuously monitors the oven temperature. Settings on the Digital Temperture Controller control the activa- tion of the burner. Keypad controls allow the operator to select the cooking temperature and monitor oven operation.

  • Page 28: A.daily Startup Procedure

    IMPORTANT On gas ovens, if the "HEAT ON" light will not illuminate, OR if the oven does not heat, the gas burner may not have lit. Turn the "HEAT" ( ), "BLOWER" ) switches to the "OFF" ("O") position. Wait for AT LEAST FIVE MINUTES before restarting the oven.

  • Page 29: Quick Reference: Digital Temperature Controller

    Lights when the set point is locked out from changes. This setting can only be changed by service personnel. OVERTEMP Light Lights when the oven temperature is greater than 650°F (343°C). Refer to Quick Reference: Troubleshooting in this section. Temperature...

  • Page 30: Quick Reference: Troubleshooting

    Controls may be set incor- overcooked or rectly. 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. PROBLEM • Follow the procedures under Daily Shutdown Procedures in this section to shut down the oven.

  • Page 31: Section 4 Maintenance

    If the oven is to be removed from its installed location for servicing, perform the following procedure: 1. Switch off the oven and allow it to cool. Do NOT service the oven while it is warm. 2. Turn off main circuit breakers and disconnect connector from oven.

  • Page 32: Maintenance - Daily

    D. Crumb Pans (Figure 4-2) Remove and clean the crumb pan at each end of the oven. Each crumb pan can be removed by sliding it out, as shown in Figure 4-2. Reinstall the crumb pans after cleaning.

  • Page 33: Maintenance - Monthly

    To clean the interior, you have to disassemble some parts of the oven. When cleaning your Series PS536ES Oven note the following: PRECAUTIONS- 1. Do not use excessive water or saturation of oven insulation will occur.
  • Page 34 Figure 4-7. 7. Continue sliding the conveyor completely out of the oven, fold it in half and then place it to the side for cleaning. Be careful not to bump drive sprocket while handling conveyor or damage may result to drive shaft.

  • Page 35: Air Fingers Disassembly For Cleaning

    Fingers are marked in the order shown; as viewed from the front of the oven. (The marks for an upper oven should be preceded with a “U”, example UB1, UT2, etc.) Standard Fingers 2.

  • Page 36: Cleaning The Window

    SECTION 4 MAINTENANCE 6. To remove the inner plate, pull the plate out and then up. Figure 4-12. 7. The outer finger plate is stainless and may be cleaned by either soaking in a hot, strong detergent solution or using a caustic cleaner. The conveyor belt can also be cleaned in the same way.
  • Page 37 4. Replace the air fingers by pushing in at the back side. Remember to replace them according to the numbers marked on them when they were removed. They must go back in the same way they came out. Figure 4-17. Extended Lip Flange of Finger Manifold...
  • Page 38 SECTION 4 MAINTENANCE 5. Install fingers and blank plates correctly with edges interlocked and no space between edges. Top Finger Tab on Outer Plate of Finger Located in Groove Top Finger Tab on Outer Plate of Finger Located in Groove Top Finger Tab on Outer Plate of Finger Located in Groove...

  • 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

    1. Lift conveyor and position it in oven as shown. NOTE: Conveyor assembly may be inserted into either end of oven. If it is to be installed from the non-drive end of the oven the drive sprocket assembly must be removed as shown in conveyor disassembly section.

  • Page 41: Conveyor Belt Link Removal

    H. Conveyor Belt Link Removal 1. Using long nose pliers, an entire link can be removed with the conveyor assembly either in or out of the oven. Position master links at end of conveyor as shown in Figure 4-25. Master Links Figure 4-25.

  • Page 42: Replacing Conveyor Belt

    The section of the conveyor belt furnished with the oven in the installation kit may then be used to replace a section. Follow the preceding procedure “H. Conveyor belt link removal”...

  • 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

    Tighten all electrical control terminal screws including the electrical contactor terminal screws as shown in Figure 4-37. Figure 4-37. C. Ventilation Check that the air circulation throughout the oven is not blocked and is working properly. Figure 4-38.

  • Page 45: Split-Belt Conveyor Shaft Cleaning

    D. Split-belt Conveyor Shaft Cleaning It is very important that the split-belt conveyor drive and idler shafts are removed from the conveyor frame for cleaning and lubrication. CAUTION Use a turbine oil or light machine oil. DO NOT USE WD40 or similar product. These oils evaporate and cause the shafts to seize.
  • Page 46 SECTION 4 MAINTENANCE 6. Make sure bronze washer is in between the two halves. Figure 4-42. 7. Place the idler shaft assembly back into place and reinstall the adjustment screws. Figure 4-43. 8. Loosen the set screw on each conveyor drive sprocket and remove sprockets.

  • 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 A. Check brushes on D.C. conveyor motor, when worn to less than 1/10″...

  • Page 48: Key Spare Parts Kit

    An oven can be purchased with a Key Spare Parts Kit (Figure 4-52). (The kit can be purchased when the oven is ordered, or later, from a Middleby Marshall Authorized Parts Distributor). The kit contains many of the crucial ITEM QTY.

  • Page 49: Section 5 Troubleshooting

    OVEN BLOWER AND CONVEYOR OPER- ATE, YET THE OVEN IS NOT HEATING Start the oven again. If the oven still does not heat, call your Middleby Marshall Service Agency. setting. CONVEYOR WILL NOT HOLD PROPER SPEED OR WILL NOT RUN AT ALL Check for proper tension of conveyor drive chain and conveyor belt.
  • 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: Section 7 Electrical Schematics

    SECTION 7 ELECTRICAL SCHEMATICS CB8-63A DISYUNTOR DISJONCTEUR TRENNSCHALTERS BREAKER CIRCUIT CB7-63A DISYUNTOR DISJONCTEUR TRENNSCHALTERS BREAKER CIRCUIT COM1 COM2 VENTILATEUR COM1 COM2 COM1 COM2 LINEA LIGNE LINIE LINE LOAD LAST CHARGE CARGA ELECTRICAL SCHEMATICS SSR2 CONTROLADOR CONTROLEUR SCHALTSCHUTZ " CONTACTOR SSR1 CONTROLADOR CONTROLEUR SCHALTSCHUTZ...
  • Page 66 SECTION 7 ELECTRICAL SCHEMATICS COM1 COM2 COM1 COM2 COM1 COM2 CB8-63A SSR2 DISYUNTOR CONTROLADOR CONTROLEUR DISJONCTEUR SCHALTSCHUTZ TRENNSCHALTERS " BREAKER CIRCUIT CONTACTOR CB7-63A SSR1 DISYUNTOR CONTROLADOR DISJONCTEUR CONTROLEUR SCHALTSCHUTZ TRENNSCHALTERS " CONTACTOR BREAKER CIRCUIT VENTILATOR-SPOLPADO INTERRUPTOR VENTILATEUR COMMUTATEUR TEMPERATURSCHALTER GEBLASESCHALTER "...
  • Page 67 CB8-63A DISYUNTOR DISJONCTEUR TRENNSCHALTERS BREAKER CIRCUIT CB7-63A DISYUNTOR DISJONCTEUR TRENNSCHALTERS BREAKER CIRCUIT COM1 COM2 COM1 COM2 COM1 COM2 LINEA LIGNE LINIE LINE LOAD LAST CHARGE CARGA ELECTRICAL SCHEMATICS SSR2 CONTROLADOR CONTROLEUR SCHALTSCHUTZ " CONTACTOR SSR1 CONTROLADOR CONTROLEUR SCHALTSCHUTZ " CONTACTOR THERMOSTATO VENTILATOR-SPOLPADO TEMPERATURE...
  • Page 68 SECTION 7 ELECTRICAL SCHEMATICS 4-20ma INPUT 0-24DVC OUTPUT 24VAC INPUT C2,2 C2,1 CIRCUIT BREAKER TRENNSCHALTERS DISJONCTEUR DISYUNTOR THERMOSTATO " TEMPERATURE CONTROLEUR TEMPERATURSCHALTER CONTROL TEMPERATURE LINEA LIGNE LINIE LINE LOAD LAST CHARGE CARGA HEIZUNGSSCHALTER CHUFFAGE COMMUTATEUR CALENTAMIENTO INTERRUPTOR SWITCH HEAT ROJO ROUGE ROJO ROUGE...
  • Page 69 SECTION 7 ELECTRICAL SCHEMATICS NOTES...
  • Page 70 SECTION 7 ELECTRICAL SCHEMATICS NOTES...
  • Page 72 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.

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