Middleby Marshall PS840 Series installation manual Table of Contents

Page 4

TABLE OF CONTENTS

 

 

Page

SECTION 1 – DESCRIPTION

1

I.

OVEN USES

1

II. OVEN COMPONENTS

1

 

A. Conveyor Motor Drive

1

 

B. Crumb Pans

1

 

C. Conveyor

1

 

D. End Plugs

1

 

E. Eyebrows

1

 

F. Window

1

 

G. Machinery Compartment Access Panel

1

 

H. Serial Plate

1

 

I. Control Panel

1

 

J. Photo Cell

1

 

K. Gas Burner

1

 

L. Blowers

1

 

M. Air Fingers

1

III. OVEN SPECIFICATIONS

2

 

A. Dimensions

2

 

B. General Specifications

2

 

C. Electrical Specifications for

 

 

PS840 Gas Ovens

2

 

D. Gas Orifice and Pressure Specifications

 

 

for PS840 Gas Ovens

2

SECTION 2 – INSTALLATION

3

I.

BASE PAD KIT

4

II.

INSTALLATION KIT

6

III. VENTILATION SYSTEM

12

 

A. Requirements

12

 

B. Recommendations

12

 

C. Other Ventilation Concerns

12

IV. ASSEMBLY

13

 

A. Base Pad, Legs, Casters

13

 

B. Stacking

14

 

C. Restraint Cable Installation

14

 

D. Conveyor Installation

15

 

E. Standoff Installation

15

V. FINAL ASSEMBLY

16

VI. ELECTRICAL SUPPLY

16

 

Connection

17

VII. GAS SUPPLY

17

 

A. Gas Utility Rough-In Recommendations

17

 

B. Connection

18

 

C. Gas Conversion

18

 

D. Propane Conversion

18

 

E. Adjusting the Maximum Pressure Setting ...

18

 

F. Adjusting the Minimum Pressure Setting ....

19

 

G. Checkout

19

 

H. Maintenance

19

Page

SECTION 3 – OPERATION

20

I.LOCATION AND DESCRIPTION OF CONTROLS 20

II. NORMAL OPERATION, STEP-BY-STEP

21

A. Main Screen

21

B. Daily Startup Procedure

21

C. Daily Shutdown Procedure

21

III. QUICK REFERENCE: TROUBLESHOOTING

22

IV. SCREEN ALERTS

22

SECTION 4 – MAINTENANCE

23

I. MAINTENANCE – DAILY

23

II. MAINTENANCE – MONTHLY

24

III. MAINTENANCE – EVERY 3 MONTHS

25

IV. MAINTENANCE – EVERY 6 MONTHS

26

V. KEY SPARE PARTS KIT

27

SECTION 5 – ELECTRICAL WIRING DIAGRAM

28

I.WIRING DIAGRAM, 840 GAS OVEN, 208/240V,

50/60 Hz, 1 Ph

28

NOTE

Wiring Diagrams are in Section 5 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console.

iv

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Contents Owners Operating and Installation Manual Retain this Manual for Future Reference Middleby Marshall Table of Contents Description Oven UsesOven Specifications Triple OveInstallation Parts List for Series PS840 GAS Oven Installation KIT PS840 24″ Oven Installation Required Kits and EquipmentKit PS840 32″ Oven Installation Required Kits and Equipment Kit 15 ″ Legs Casters& Top Casters & TopItem no QTY Description Hard Ware BA G ″-16 × 1 HEX SCREW, SST Item no QTY Description Quad Outrigger Weldment Item no QTY Description III. Ventilation System RequirementsRecommendations Other ventilation concernsIV. Assembly Top Panel and Base Pad AssemblyRestraint Cable Installation StackingConveyor Installation Do not Overtighten the Conveyor BeltResetting Direction Jumper Switching Photo DetectorConveyor Belt Reversal Reversing the Conveyor BeltConnection VII. GAS SupplyAdjusting the Maximum Pressure Setting ConnectionGas Conversion PS840 Propane ConversionMaintenance Adjusting the Minimum Pressure SettingCheckout Location and Description of Controls II. Normal Operation STEP-BY-STEP III. Quick Reference Troubleshooting Screen AlertsMaintenance Maintenance DailyII. Maintenance Monthly Top Row Bottom RowIII. Maintenance Every 3 Months Split Belt Disassembly and CleaningIV. Maintenance Every 6 Months Blower BeltKEY Spare Parts PS840 GAS KEY Spare Parts Available separately. See FigureWiring Diagram Page Page

PS840 Series specifications

The Middleby Marshall PS840 Series is a high-performance conveyor oven designed to deliver outstanding cooking results with efficiency and speed. This series is renowned in the foodservice industry for its advanced technology and user-friendly design, making it an ideal choice for restaurants, pizza shops, and other commercial kitchens that require consistent high-quality food production.

One of the standout features of the PS840 Series is its innovative design that utilizes a patented Cookstar Technology. This technology promotes even cooking by ensuring that hot air circulates consistently throughout the oven chamber. The result is perfectly baked pizzas, evenly cooked dishes, and enhanced flavor, making it a favorite among chefs and kitchen staff alike.

The PS840 offers a variable-speed conveyor system that allows users to adjust cooking times according to the specific requirements of different food items. This flexibility enables operators to achieve precise results, whether they are baking thin-crust pizzas or roasting vegetables. Additionally, the oven reaches optimal cooking temperatures quickly, minimizing wait times during peak service hours.

Energy efficiency is another key characteristic of the Middleby Marshall PS840 Series. Built with high-quality insulation and advanced heating elements, this series is designed to significantly reduce energy consumption while maintaining performance. This not only lowers operational costs but also supports sustainable practices in the foodservice industry.

The PS840 Series includes a user-friendly digital control panel that makes it easy for operators to set cooking times and temperatures, monitor performance, and switch between cooking modes. This intuitive interface reduces the learning curve for new staff and enhances overall productivity in busy kitchens.

Another notable feature of the PS840 Series is its durability. Constructed with robust materials, this oven is designed to withstand the wear and tear of a commercial kitchen environment. Its easy-to-clean surfaces and removable conveyor belt further enhance its maintenance convenience, allowing kitchens to maintain high hygiene standards with ease.

In summary, the Middleby Marshall PS840 Series stands out in the market for its exceptional cooking performance, energy efficiency, user-friendly controls, and robust design. These features make it a versatile and reliable choice for any establishment looking to enhance their food production capabilities while delivering quality dishes consistently. Whether utilized for baking, roasting, or reheating, the PS840 Series excels in meeting the demands of the modern foodservice industry.