Middleby Marshall PS360, PS570, PS200, PS555, PS220, PS224 PS310 manual

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Contents Page Middleby Marshall, Inc Technical service ManualTable of Contents Table of Contents GAS Oven Sequence of Operation Section Sequence of OperationSequence of Operation Sequence of Operation Types of Heat Transfer Blowers, belts and pulleysII. Blowers and Blower Speed PS200-series PS360-seriesPS300/350 air finger with shutter plate Air finger operationCurrent standard air finger all oven models III. AIR Fingers3D air finger label if present Configuration and AlignmentPerforming a Test Bake Front-to-back uneven bake PS300/350 Air Finger Shutter AdjustmentDo not PS300/350-style air finger with adjustable shutter plateConveyor Speed and Bake Time IV. Oven CapacityBelt Time Time of Delivery TODCurrent-style speed controller Original-style speed controllerConveyor Speed Controller and Drive Motor Part Number Reference Speed ControllersPreparing to Service the Speed Controller Current-style pickup assembly see FiguresPart Number Reference Pickup Assemblies Current pickup assembly End view Current pickup assembly side viewField Tester for Conveyor Drive Motor Controller/Motor FailureIf the Gear Motor Runs AT Full Speed Basic Troubleshooting FlowchartsIf the Gear Motor will not RUN AT ALL Check the magnetic pickup on the motor Initial TroubleshootingConnections for pickup test Unshielded Pickup Wires on Early PS360-series ovensConveyor Control Pickup Test Conveyor Motor Test Replacing the Magnetic PickupAppendices Servicing Components Servicing Components Servicing Components Servicing Components Servicing Components Servicing Components General SubjectApplication CompatibilityConveyor Speed Controller Kit for PS200R68-series ovens Bulletin No. MM-189 II. Temperature Controller 28071-0012 a Part Number Reference Temperature Controllers28071-0018 a 34983 BCOM DescriptionDigital Temperature Controller Controller Types Before you Begin Electrical Connections Variable Pulse Output System Jumper Setting Temperature Diagnostic Error Messages Digital Temperature Controller Operating Instructions Middleby Corporation Service Hotline Servicing Components Servicing Components III. High Limit Control Module Operation and TroubleshootingPart Number Reference High Limit Control Mod- ules LocationHigh Limit Conversion Kit for PS300, 310, 350, & 360 Ovens Appendix Instructions for Service KitInstallation Not to Scale For Ovens with an Analog Temperature Controller For Ovens with a Digital Temperature ControllerTesting the Installation United Electric Model Ovens with a cooldown feature ReplacementOvens without a cooldown feature Replacement Middleby Corporation Service Hotline IV. Thermocouples TroubleshootingPart Number Reference Thermocouples Thermocouple FunctionsServicing Components Oven Thermocouple Kit PS200 Series before 2/96, serial numbers before ASH-0001 Thermocouple Wiring PS360 Series Analog Temperature Controller Digital PS536 Thermocouple Wiring PS555 PS555 Electric and PS555E Servicing Components High limit thermocouple High limit thermocouple Position for ovens with Thermocouple Wiring PS570S Late Left to Right Conveyor Thermocouple Wiring PS555G and PS570G Current PS200 indirect drive assembly Early-style PS200 indirect drive assemblyBlower motor fuses BlowersBlower belt tension Bearing lubricationRepositioning the blower motor Fan shaft alignment tool Qty Part Number Description Four-point alignment test for correct pulley alignment Also available Blower motor fuses three-phase motors Blower motor fuses single-phase motorsPS360-series ovens Inlet ring Blower wheel puller tool Clockwise blower wheelPS555/570-series ovens PS570/570S blower configurationPizza Hut StandardIntl. Tricon Domino’s QPS500-series blower wheel orientation Blower belt tension Repositioning the blower motor Bearing replacement and alignmentPart Number Reference Blower Centrifugal Switch VI. Blower Motor Centrifugal Safety Switch PS360-SERIESAir pressure safety switch models PS360WB70/EWB with Wayne burner PS360WB70/EWB with Midco burnerServicing Components Servicing Components Servicing Components Servicing Components IX. PS570/570S Flame Gate PS570/570S flame gate adjustmentPart Number Reference Flame Gate Flame Gate OrientationPS310, PS314, PS360 or PS360WB gas train PS200-series gas trainGAS Train and Burner System Part Number ReferencePS360EWB or PS360WB70 gas train with Wayne burner PS360EWB or PS360WB70 gas train with Midco burnerPS570G or PS555 gas train PS570S gas trainPart Number Reference Gas Orifices and Gas Conversion Kits Wayne burner exploded viewBurner type Component IdentificationSolenoid valve vs. Modulating valve End of burner without flame target Showing pilot shield Pilot/Ignitor AssemblyFlame targets Flame Rectification Flame structureVoltage Gas PressureTemperature Air shutter adjustmentPilot Application Burner Blower MotorBurner Transformer Low Flame Bypass OrificeBurner Motor Relay High Flame Solenoid Valve if so equippedModulating Gas Valve if so equipped Combination Gas Control Valve Burrs in pilot adjustment portalPilot pressure Ignition Module 100 Burner and Gas Train TroubleshootingGas Conversion Kits 101 Voltage Checks for Ignition Module Combination Gas ValveCombination Gas Valve 102 Component Checks Reset System After LockoutCheck Spark Ignition Circuit Check Spark Ignitor103 Troubleshooting Flowcharts104 105 106 107 108 Appendix Instructions for Service Kit 30185 Pilot Tee, 3/94109 110 111 112 113 114 115 116 Appendix Instructions for Service Kit Ignition Module, 11/90117 118 Appendix Instructions for All Gas Conversion Kits 119120 English121 Preparation and DisassemblyIV. Pilot Orifice Conversion 122VII. GAS Leak Test VIII. Inlet Pressure Check 123124 Manifold Pressure AdjustmentFor Ovens with Wayne Burner, Propane to Natural Gas, 8/00 125126 NUTS.3 127128 129 IX. Pilot Pressure Adjustment130 131 Pilot Orifice ReplacementPreparation LOW Flame Orifice Replacement PS360WB70 only Main Orifice Replacement132 GAS Leak TestMain Manifold Pressure Adjustment Pilot Pressure Adjustment133 Inlet Pressure CheckConversion Labeling 134Propane 36856135 Propane to Natural Gas Installation Instructions136 137 Natural 13814 W.C./34.9mbar 139 140 PS200 electric early with mercury Contactors and fusesXI. Electric Oven Heating System Part No. Description141 Removing elementsIndividual element electrical data 142 Electrical leads disconnectedPS310/360-series ovens 143 Element bank removed spacer bracket visiblePS555 ovens 144145 PS555 electric oven heating element removal146 Mercury Contactor Replacement147 148 149 Component Wiring150 II. PS200-SERIES Ovens 151152 153 154 155 156 157 158 159 160 III. PS360-SERIES Ovens Electrical Wiring Diagrams161 162 163 164 165 166 III. PS555/570-SERIES Ovens Electrical Wiring Diagrams167 168 169 170 171 Check and clean blow out main blower motors Check and clean blow out machinery/control compartmentCheck and clean blow out and brush axial fans Check and clean igniter assembly173 Multiply To Obtain 174175 Pressure conversion chart176 177 178 179 180
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PS224 PS310, PS220, PS555, PS200, PS360 specifications

The Middleby Marshall PS555 is a standout commercial pizza oven renowned for its performance, efficiency, and advanced technologies. Designed with the modern pizzeria in mind, the PS555 delivers exceptional cooking results while maximizing energy efficiency and throughput.

One of the key features of the PS555 is its innovative cooking technology, which incorporates both convection and radiant heat. This unique combination ensures that pizzas are cooked evenly and quickly, achieving a perfectly crispy crust and evenly melted cheese every time. The oven’s high-speed air impingement system accelerates cooking times, allowing pizzerias to serve more customers in less time without compromising quality.

The PS555 is designed with a spacious cooking chamber that can accommodate multiple pizzas simultaneously. With its ability to fit pizzas up to 18 inches in diameter, the oven is ideal for establishments with high demand. Additionally, the adjustable conveyor speed allows operators to customize the cooking time based on their specific menu items, enhancing versatility and productivity.

Energy efficiency is a hallmark of the Middleby Marshall PS555. The oven utilizes advanced insulation materials to minimize heat loss, ensuring that it operates at optimal temperatures while consuming less energy. This efficiency not only reduces operating costs but also contributes to a more sustainable kitchen environment.

User-friendly controls make it simple for operators to manage the cooking process. The PS555 features digital controls with programmable settings, enabling quick adjustments to temperature and cooking time. This ensures consistent quality across different shifts and helps maintain product standards while simplifying staff training.

Durability is another defining characteristic of the PS555. Built with high-quality materials, the oven is designed for heavy use in busy commercial kitchens. Its stainless steel construction ensures resistance to wear and tear, making it a worthwhile investment for any pizzeria.

In summary, the Middleby Marshall PS555 pizza oven is a high-performance piece of equipment that combines advanced cooking technologies, efficiency, and durability. Its ability to deliver consistently excellent results while streamlining operations makes it an essential asset for any pizza business aiming to enhance its productivity and customer satisfaction.
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