Middleby Marshall PS200, PS570, PS360, PS555, PS220, PS224 PS310 manual Wayne burner exploded view

Page 92

SECTION 3 - SERVICING COMPONENTS

Figure 60 - Wayne burner - exploded view

Pilot/ignitor

 

 

 

assembly

 

 

 

42810-0117

Pilot shield

Venturi

 

 

Wtih angled flame target:

Burner blower and motor assy

 

27170-0204

 

 

27170-0223

120V: 27170-0011

 

 

With round flame target:

208/240V: 27170-0287

 

 

38127

 

Air shutter

42810-0087

Pilot orifice

Main orifice

See chart below

See chart below

 

Pitot tube assembly (for use with 208/ 240V motors) 42400-0640

B. Part Number Reference - Gas Orifices and Gas Conversion Kits

 

 

 

 

PS360WB70/EWB

PS360WB70/EWB

 

 

PS200

PS220/224

PS310/314/360

PS360WB

Midco burner

Wayne burner

PS555

PS570S/PS570G Description

42810-0125

42810-0126

42810-0120

42810-0127

36863

 

 

 

44664

 

 

 

43061

 

 

 

42810-0127

 

GAS CONVERSION KIT,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROPANE TO NATURAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22176-0010 22176-0016 22176-0004 22176-0014

31821

 

 

 

22176-0014

43059

 

 

 

 

22176-0014 MAIN ORIFICE, NATURAL

0.204”/5.18mm

 

 

0.182”/4.62mm

 

 

0.219”/5.56mm

 

 

0.250”/6.35mm

 

 

0.234”/5.94mm

 

 

0.250”/6.35mm

 

 

0.228”/5.79mm

 

 

0.250”/6.35mm

 

GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22174-0011 22174-0011 22174-0011 22174-0011

31818

 

 

 

22174-0011

22174-0011

22174-0011

 

PILOT ORIFICE, NATU-

0.028”/0.71mm

 

 

0.028”/0.71mm

 

 

0.028”/0.71mm

 

 

0.028”/0.71mm

 

 

0.032”/0.81mm

 

 

0.028”/0.71mm

 

 

0.028”/0.71mm

 

 

0.028”/0.71mm

 

RAL GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22174-0006* 22174-0006*

22174-0006

22174-0006

22174-0006*

22174-0006*

 

 

 

 

NONE*

22174-0006*

 

BYPASS ORIFICE, NATU-

0.060”/1.52mm/

 

 

0.060”/1.52mm/

 

 

0.060”/1.52mm/

 

 

0.060”/1.52mm/

 

 

0.060”/1.52mm/

 

0.060”/1.52mm/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.060”/1.52mm/

 

RAL GAS

 

 

#53 drill

 

 

 

 

#53 drill

 

 

 

 

#53 drill

 

 

 

 

#53 drill

 

 

 

 

#53 drill

 

 

 

 

#53 drill

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#53 drill

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28092-0019

28092-0019

28092-0019

28092-0019

28092-0019

 

28092-0019

28092-0019

28092-0019

 

GAS VALVE SPRING KIT,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NATURAL GAS

42810-0122

42810-0123

42810-0119

42810-0124

36856

 

 

 

44665

 

 

 

43062

 

 

 

42810-0124

 

GAS CONVERSION KIT,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NATURAL TO PROPANE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22176-0007 22176-0017 22176-0003 22176-0015

31822

 

 

 

31980

 

 

 

43060

 

 

 

 

22176-0015 MAIN ORIFICE, PROPANE

0.1285”/3.26mm

 

 

0.113”/2.87mm

 

 

0.134”/3.40mm

 

 

0.152”/3.86mm

 

 

0.185”/4.70mm

 

0.165”/4.19mm

 

 

0.141”/3.58mm

 

 

0.152”/3.86mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22174-0010 22174-0010 22174-0010 22174-0010

31819

 

 

 

22174-0010

 

22174-0010 22174-0010 PILOTORIFICE,PROPANE

0.018”/0.45mm

 

 

0.018”/0.45mm

 

 

0.018”/0.45mm

 

 

0.018”/0.45mm

 

 

0.025”/0.64mm

 

 

0.018”/0.45mm

 

 

0.018”/0.45mm

 

 

0.018”/0.45mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22174-0009* 22174-0009*

22174-0009

22174-0009

22174-0009*

22174-0009*

 

 

 

 

NONE*

 

22174-0009* BYPASS ORIFICE, PRO-

0.038”/0.97mm/

 

 

0.038”/0.97mm/

 

 

0.038”/0.97mm/

 

 

0.038”/0.97mm/

 

 

0.038”/0.97mm/

 

0.038”/0.97mm/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.038”/0.97mm/

 

PANE

 

 

#62 drill

 

 

 

 

#62 drill

 

 

 

 

#62 drill

 

 

 

 

#62 drill

 

 

 

 

#62 drill

 

 

 

 

#62 drill

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#62 drill

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28092-0018

28092-0018

28092-0018

28092-0018 28092-0019

 

28092-0018

28092-0018

28092-0018

 

GAS VALVE SPRING KIT,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(same as

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROPANE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

natural gas)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*NOTE

Bypass orifices are used ONLY on ovens equipped with an on-off gas regulation system (with a solenoid valve). These ovens include:

• PS200-series

•

PS310

•

PS360

•

PS360WB70

(through 3/02)

•

PS314

•

PS360WB

•

PS570S (through 8/00)

Ovens equipped with a PID modulated gas system (with a modulating valve) do not use a bypass orifice. These ovens include:

• PS200-series

•

PS360EWB

• PS570S

• PS570G

(4/02 or later)

•

PS555

(9/00 or

later)

NOTE: Installations at higher altitudes have a lower ambient air pressure that disrupts the air-fuel mixture. To correct this problem, smaller gas orifices are required. A general rule is a 4% reduction for each 1000 ft. (305m) above sea level. Refer to the chart in the Appendices section (page 135) for a listing of orifice sizes showing this reduction.

91

Page 91 Page 93
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Page 91 Page 93
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 FingersPerforming a Test Bake Configuration and Alignment3D air finger label if present 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 ControllersPart Number Reference Pickup Assemblies Current-style pickup assembly see FiguresPreparing to Service the Speed Controller 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 BlowersRepositioning the blower motor Bearing lubricationBlower belt tension Fan shaft alignment tool Qty Part Number Description Four-point alignment test for correct pulley alignment Also available PS360-series ovens Blower motor fuses single-phase motorsBlower motor fuses three-phase motors 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 KitsSolenoid valve vs. Modulating valve Component IdentificationBurner type Flame targets Pilot/Ignitor AssemblyEnd of burner without flame target Showing pilot shield 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 Pilot pressure Burrs in pilot adjustment portalCombination Gas Control Valve Ignition Module Gas Conversion Kits Burner and Gas Train Troubleshooting100 Combination Gas Valve Voltage Checks for Ignition Module Combination Gas Valve101 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 Preparation Pilot Orifice Replacement131 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 14 W.C./34.9mbar 138Natural 139 PS200 electric early with mercury Contactors and fuses 140XI. Electric Oven Heating System Part No. DescriptionIndividual element electrical data Removing elements141 PS310/360-series ovens Electrical leads disconnected142 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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