Middleby Marshall PS528 (Double) User Manual

©2009 Middleby Marshall Inc.A MIDDLEBY COMPANYPS528-Series Electric Ovens: Englishowner'soperating& installationmanualPS528-Series OVENSModel

6SECTION 1 DESCRIPTION Figure 1-7. Blank Plates (two sizes) and an Air Finger.F2. Blank Plates1. Blank Plates- The Blank Plates are available to inst

SECTION 2 INSTALLATION7SECTION 2 INSTALLATIONNOTE: The oven, when installed, must be electrically grounded in accordance with local codes, or in the

8SECTION 2 INSTALLATION PARTS LIST FOR SERIES PS528 ELECTRIC OVEN INSTALLATION KIT Single and Double Stack Ovens P/N 63938 Figure 2-1. PS528-Series

SECTION 2 INSTALLATION9Figure 2-5. MODEL PS528 SINGLE OVEN DIMENSIONSThe Opening Height is Adjustable from 2-1/4 inch minimum to 3-3/4 inch maximum i

10SECTION 2 INSTALLATION Figure 2-6. MODEL PS528 DOUBLE OVEN DIMENSIONSThe Opening Height is Adjustable from 2-1/4 inch minimum to 3-3/4 inch maximum

SECTION 2 INSTALLATION11Figure 2-7. MODEL 528 TRIPLE OVEN DIMENSIONSThe Opening Height is Adjustable from 2-1/4 inch minimum to 3-3/4 inch maximum in

12SECTION 2 INSTALLATION WARNING DO NOT USE CONDUIT OR GAS LINE FOR GROUND CONNECTION. CAUTIONIT IS RECOMMENDED THAT THE OVEN BE PLACED UNDER A V

SECTION 2 INSTALLATION13These ‘C’ Channel brackets are installed in the vertical plane using existing screws (Item 6) to support these ‘C’ C

14SECTION 2 INSTALLATION NOTES

SECTION 3OPERATION15 SECTION 3 OPERATIONI. CONTROL FUNCTIONSWARNINGA possibility of injury from rotating parts and electric shock exists in this oven.

iiWARNING FOR YOUR SAFETY, DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.WARNING I

16SECTION 3 OPERATION II. COMPONENT INFORMATION AND LOCATION (Figures 3-1 and 3-2) A. Door Safety Switch The Door Safety Switch is located at the lo

SECTION 3OPERATION17 E. Conveyor The on-off switch for the conveyor motor is on the con-trol panel. Also on the control panel is the digital con-veyo

18SECTION 3 OPERATION WARNING OVEN MUST BE KEPT CLEAR OF COMBUSTIBLES AT ALL TIMES. III. STEP-BY-STEP OPERATIONA. Startup ProceduresDaily Startup1.

SECTION 3OPERATION19 Figure 3-6. Control Panel

20SECTION 3 OPERATION CAUTIONIn case of power failure, turn all switches to the “OFF” ("O") position and remove the product. After the powe

SECTION 3OPERATION21 DisplayShows the Set Point or the Actual Tem-perature in degrees Fahrenheit (F) or Celsius (C)."SP LOCK" LightLights w

22SECTION 3 OPERATION V. QUICK REFERENCE: TROUBLESHOOTINGSYMPTOM PROBLEM SOLUTIONThe oven temperature ex-ceeded 650°F (343°C), and the burner was

SECTION 4 MAINTENANCE23SECTION 4 MAINTENANCEWARNINGPossibility of injury from rotating parts and electrical shock exist in this oven. Turn off and loc

24SECTION 4 MAINTENANCE I. MAINTENANCE - DAILYA. ExteriorEveryday you should clean the outside of the oven with a soft cloth and mild detergent.WARNIN

SECTION 4 MAINTENANCE25Figure 4-3.II. MAINTENANCE - MONTHLY NOTE: The oven interior may require cleaning more than once a month depending on the vol

iiiMIDDLEBY MARSHALL INC.OVEN LIMITED WARRANTY(Non U.S.A.)The Seller warrants equipment manufactured by it to be free from defects in material and wor

26SECTION 4 MAINTENANCE 5. Lift other side of conveyor and push toward other side.6. Remove conveyor as shown.Figure 4-6.Figure 4-7.CAUTIONB

SECTION 4 MAINTENANCE271. As the air ngers are removed use a felt pen to mark all parts of the ngers. This includes the nger manifold, inner plate

28SECTION 4 MAINTENANCE 6. To remove the inner plate, pull the plate out and then up.Figure 4-11.7. The outer nger plate is stainless and may be cl

SECTION 4 MAINTENANCE294. Replace the air ngers by pushing in at the back side. Remember to replace them according to the numbers marked on them whe

30SECTION 4 MAINTENANCE 5. Install ngers and blank plates correctly with edges interlocked and no space between edges.Figure 4-18.Top FingerIncorrec

SECTION 4 MAINTENANCE31D. Reinstall End Plugs1. Reinstall lower end plug. Be sure to tighten the wing screw on the end plug.2. Reinstall conveyor.3.

32SECTION 4 MAINTENANCE F. Checking Conveyor Belt TensionWARNINGOven conveyor belt must be cool when adjusting belt. Do not adjust belt if HOT.1. Wi

SECTION 4 MAINTENANCE33G. Conveyor Belt Link Removal1. Using long nose pliers, an entire link can be removed with the conveyor assembly either in or

34SECTION 4 MAINTENANCE H. Attaching Drive Chain1. If drive sprocket assembly was removed reassemble it into the conveyor drive shaft. Be sure at o

SECTION 4 MAINTENANCE354. Reattach conveyor guard to control panel and secure two screws.Install both upper end plugs.Figure 4-34.III. MAINTENANCE -

ivNOTEWiring Diagrams are in Section 7 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console. TABLE OF

36SECTION 4 MAINTENANCE KEY SPARE PARTS KITAn oven can be purchased with a Key Spare Parts Kit (Figure 4-36). (The kit can be purchased when the oven

37SECTION 5 TROUBLESHOOTING SECTION 5 TROUBLESHOOTINGPROBLEM:PRODUCTS ARE OVERCOOKED OR UNDERCOOKEDCheck for correct setting of conveyor speed control

SECTION 5 TROUBLESHOOTING 38NOTES

39ENGLISHSECTION 6 PARTS LISTSECTION 6 - PARTS LIST

40ENGLISHSECTION 6 PARTS LIST

41ENGLISHSECTION 6 PARTS LISTSINGLE OVEN EXPLODED VIEWITEM QTY PART NO. DESCRIPTION 1 1 48382 UPPER LH END PLUG ASSEMBLY (INCLUDES

42ENGLISHSECTION 6 PARTS LIST

43ENGLISHSECTION 6 PARTS LISTRELAY PANELITEM QTY PART NO. DESCRIPTION 1 1 33812-5 THERMOCOUPLE, TYPE “J”, SHIELDED 2.50X120” 2 1 63909 SW

44ENGLISHSECTION 6 PARTS LIST

45ENGLISHSECTION 6 PARTS LISTBLOWER ASSEMBLYITEM QTY PART NO. DESCRIPTION 1 1 63909 SWITCH, MOMENTARY-12A, NO 2 POLE 2 2 30927 BUMPER, WI

SECTION 1DESCRIPTION1I. MODEL IDENTIFICATION The Middleby Marshall PS528-Series may be used either as a single oven or stacked for use as double or t

46ENGLISHSECTION 6 PARTS LIST

47ENGLISHSECTION 6 PARTS LISTCONTROL PANELITEM QTY PART NO. DESCRIPTION I 3 46521 KIT BLOWER SWITCH CONTAINS ((1) 44697, (1) 44696)) 2 3 4

48ENGLISHSECTION 6 PARTS LIST

49ENGLISHSECTION 6 PARTS LISTSINGLE CONVEYORITEM OTY PART NO. DESCRIPTION 1 1 61734 WELDMENT 2 4 59264 BEARING, RULON 3 1 62295 SHAF

50ENGLISHSECTION 6 PARTS LIST NOTES

51SECTION 7 ELECTRICAL SCHEMATICS SECTION 7 ELECTRICAL SCHEMATICSWiring Diagram, E208-240V 50/60/1, PS528 • P/N 62311 REV B

SECTION 7 ELECTRICAL SCHEMATICS 52Wiring Diagram, E208-240V 50/60/3, PS528 • P/N 62309 REV B

53SECTION 7 ELECTRICAL SCHEMATICS Wiring Diagram, E380-480V 50/60/3, PS528 • P/N 62310 REV B

SECTION 7 ELECTRICAL SCHEMATICS 54Wiring Diagram, E380V 50/60/3 CE PS528 • P/N 63969 REV B

55SECTION 7 ELECTRICAL SCHEMATICS NOTES

2SECTION 1 DESCRIPTION PS528 SERIES OVEN SPECIFICATIONSConveyor Belt Width 18.00" (457mm) Heating Zone Length 28.00" (711mm) Baking Area S

Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • USA • (847)741-3300 • FAX (847)741-4406www.middleby.comMiddleby is proud t

SECTION 1DESCRIPTION3Figure 1-4. PS528-Series Oven Components Locations

4SECTION 1 DESCRIPTION II. COMPONENT FUNCTION (Figure 1-4)II. COMPONENT FUNCTIONA. Conveyor Motor and Conveyor Belt The conveyor belt is driven by a

SECTION 1DESCRIPTION5Figure 1-6. Cooling Fan