Middleby Marshall PS570, PS360, PS200, PS555, PS220, PS224 PS310 Servicing Components, Appendices

Page 84

 

SECTION 3 - SERVICING COMPONENTS

 

 

 

C. Appendices

Appendix - Instructions for Service Kits 35624 and 35625 -

 

 

Air Pressure Switch Replacement Kits, 1/97

 

 

 

 

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Contents Page Technical service Manual Middleby Marshall, IncTable of Contents Table of Contents Section Sequence of Operation GAS Oven Sequence of OperationSequence of Operation Sequence of Operation Blowers, belts and pulleys Types of Heat TransferII. Blowers and Blower Speed PS200-series PS360-seriesAir finger operation PS300/350 air finger with shutter plateCurrent standard air finger all oven models III. AIR FingersConfiguration and Alignment 3D air finger label if presentPerforming a Test Bake PS300/350 Air Finger Shutter Adjustment Front-to-back uneven bakePS300/350-style air finger with adjustable shutter plate Do notIV. Oven Capacity Conveyor Speed and Bake TimeBelt Time Time of Delivery TODOriginal-style speed controller Current-style speed controllerConveyor Speed Controller and Drive Motor Part Number Reference Speed ControllersCurrent-style pickup assembly see Figures Preparing to Service the Speed ControllerPart Number Reference Pickup Assemblies Current pickup assembly side view Current pickup assembly End viewField Tester for Conveyor Drive Motor Controller/Motor FailureBasic Troubleshooting Flowcharts If the Gear Motor Runs AT Full SpeedIf the Gear Motor will not RUN AT ALL Initial Troubleshooting Check the magnetic pickup on the motorUnshielded Pickup Wires on Early PS360-series ovens Connections for pickup testConveyor Control Pickup Test Conveyor Motor Test Replacing the Magnetic PickupAppendices Servicing Components Servicing Components Servicing Components Servicing Components Servicing Components Servicing Components Subject GeneralApplication CompatibilityConveyor Speed Controller Kit for PS200R68-series ovens Bulletin No. MM-189 II. Temperature Controller Part Number Reference Temperature Controllers 28071-0012 a28071-0018 a 34983 BDescription COMDigital 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 Operation and Troubleshooting III. High Limit Control ModulePart Number Reference High Limit Control Mod- ules LocationAppendix Instructions for Service Kit High Limit Conversion Kit for PS300, 310, 350, & 360 OvensInstallation Not to Scale For Ovens with a Digital Temperature Controller For Ovens with an Analog Temperature ControllerTesting the Installation Ovens with a cooldown feature Replacement United Electric ModelOvens without a cooldown feature Replacement Middleby Corporation Service Hotline Troubleshooting IV. ThermocouplesPart 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 Early-style PS200 indirect drive assembly Current PS200 indirect drive assemblyBlower motor fuses BlowersBearing lubrication Blower belt tensionRepositioning the blower motor Fan shaft alignment tool Qty Part Number Description Four-point alignment test for correct pulley alignment Also available Blower motor fuses single-phase motors Blower motor fuses three-phase motorsPS360-series ovens Clockwise blower wheel Inlet ring Blower wheel puller toolPS570/570S blower configuration PS555/570-series ovensStandard Pizza HutIntl. Tricon Domino’s QPS500-series blower wheel orientation Bearing replacement and alignment Blower belt tension Repositioning the blower motorVI. Blower Motor Centrifugal Safety Switch PS360-SERIES Part Number Reference Blower Centrifugal SwitchAir pressure safety switch models PS360WB70/EWB with Midco burner PS360WB70/EWB with Wayne burnerServicing Components Servicing Components Servicing Components Servicing Components PS570/570S flame gate adjustment IX. PS570/570S Flame GatePart Number Reference Flame Gate Flame Gate OrientationPS200-series gas train PS310, PS314, PS360 or PS360WB gas trainGAS Train and Burner System Part Number ReferencePS360EWB or PS360WB70 gas train with Midco burner PS360EWB or PS360WB70 gas train with Wayne burnerPS570S gas train PS570G or PS555 gas trainWayne burner exploded view Part Number Reference Gas Orifices and Gas Conversion KitsComponent Identification Burner typeSolenoid valve vs. Modulating valve Pilot/Ignitor Assembly End of burner without flame target Showing pilot shieldFlame targets Flame structure Flame RectificationVoltage Gas PressureAir shutter adjustment TemperaturePilot Application Burner Blower MotorLow Flame Bypass Orifice Burner TransformerBurner Motor Relay High Flame Solenoid Valve if so equippedModulating Gas Valve if so equipped Burrs in pilot adjustment portal Combination Gas Control ValvePilot pressure Ignition Module Burner and Gas Train Troubleshooting 100Gas Conversion Kits Voltage Checks for Ignition Module Combination Gas Valve 101Combination Gas Valve Component Checks Reset System After Lockout 102Check Spark Ignition Circuit Check Spark IgnitorTroubleshooting Flowcharts 103104 105 106 107 Appendix Instructions for Service Kit 30185 Pilot Tee, 3/94 108109 110 111 112 113 114 115 Appendix Instructions for Service Kit Ignition Module, 11/90 116117 118 119 Appendix Instructions for All Gas Conversion KitsEnglish 120Preparation and Disassembly 121122 IV. Pilot Orifice Conversion123 VII. GAS Leak Test VIII. Inlet Pressure CheckManifold Pressure Adjustment 124125 For Ovens with Wayne Burner, Propane to Natural Gas, 8/00126 127 NUTS.3128 IX. Pilot Pressure Adjustment 129130 Pilot Orifice Replacement 131Preparation Main Orifice Replacement LOW Flame Orifice Replacement PS360WB70 only132 GAS Leak TestPilot Pressure Adjustment Main Manifold Pressure Adjustment133 Inlet Pressure Check134 Conversion LabelingPropane 36856Propane to Natural Gas Installation Instructions 135136 137 138 Natural14 W.C./34.9mbar 139 PS200 electric early with mercury Contactors and fuses 140XI. Electric Oven Heating System Part No. DescriptionRemoving elements 141Individual element electrical data Electrical leads disconnected 142PS310/360-series ovens Element bank removed spacer bracket visible 143144 PS555 ovensPS555 electric oven heating element removal 145Mercury Contactor Replacement 146147 148 Component Wiring 149150 151 II. PS200-SERIES Ovens152 153 154 155 156 157 158 159 III. PS360-SERIES Ovens Electrical Wiring Diagrams 160161 162 163 164 165 III. PS555/570-SERIES Ovens Electrical Wiring Diagrams 166167 168 169 170 171 Check and clean blow out machinery/control compartment Check and clean blow out main blower motorsCheck and clean blow out and brush axial fans Check and clean igniter assembly173 174 Multiply To ObtainPressure conversion chart 175176 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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