Middleby Marshall 60254 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. Blowers

1

 

L. Air Fingers

1

III. OVEN SPECIFICATIONS

2

 

A. Dimensions

2

 

B. General Specifications

2

 

C. Electrical Specifications for

 

 

PS740 Electric 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

17

 

Connection

17

 

UTILITY ROUGH-IN DIMENSIONS AND

POSITIONING FOR PS840-SERIES OVENS

18

 

Circuit Breaker

18

 

Electrical Specifications

18

 

Electrical Rating

18

 

Supply Wire

18

 

Suggested

18

.

Page

SECTION 3 – OPERATION

.............................................. 19

I.LOCATION AND DESCRIPTION OF CONTROLS. 19

II. NORMAL OPERATION, STEP-BY-STEP

20

A. Main Screen

20

B. Daily Startup Procedure

20

C. Daily Shutdown Procedure

20

III. QUICK REFERENCE: TROUBLESHOOTING

21

IV. SCREEN ALERTS

21

SECTION 4 – MAINTENANCE

22

I. MAINTENANCE – DAILY

22

II. MAINTENANCE – MONTHLY

23

III. MAINTENANCE – EVERY 3 MONTHS

24

IV. MAINTENANCE – EVERY 6 MONTHS

25

V. KEY SPARE PARTS KIT

26

SECTION 5 – TROUBLESHOOTING

27

SECTION 6 – ELECTRICAL WIRING DIAGRAM

28

WIRING DIAGRAM, 740 Electric Oven, E208/240V,

 

50/60 Hz, 3 Ph

28

WIRING DIAGRAM, 740 Electric Oven, E380-480V,

 

50/60 Hz, 3 Ph

29

NOTE

Wiring Diagrams are in Section 6 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console.

P/N 60254 September 28, 2012

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Contents Owners Operating and Installation Manual Retain this Manual for Future Reference Middleby Marshall Table of Contents Conveyor Drive Motor Moves the conveyor Not ShownOven Specifications Installation PS740 24″ Oven Installation Required Kits and Equipment Parts List for Series PS740 Electric Oven Installation KITPS740 Oven Installation Required Kits and Equipment Item no QTY Description 66159 ″-16 × 1 HEX SCREW, SST 3B. Model PS740 32 Double Oven Option Base with Legs and Top Quad Outrigger Weldment 7A2S15 SCR, MS STR Trshd 10-32X3/4″ 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 DetectorFinal Assembly Conveyor Belt ReversalIV. Electric Supply for Electrically Heated Ovens 18. Utility Connection Locations for ElecDo not USE Conduit for Ground Connection Electric Supply to be Provided by Customer Circuit BreakerLocation 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 Available separately. See Figure Item QTY DescriptionProblem Oven does not Heat ProblemWiring Diagram 60741 Rev. L 60254 September 28 60254 September 28 Installing or servicing this equipment
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