Middleby Marshall PS200 series Installationshandbuch

©1995 Middleby Marshall Inc.Part No. 31349Price $15.00P4/95MIDDLEBY SERIESPS200-R68 OVENSMiddlebyMarshallA MIDDLEBY COMPANYRed Lobsteroperating&

4SECTION 1DESCRIPTIONII. PRINCIPLE OF AIR FLOWAir is heated and then pulled through the fan whichpushes the air into the oven plenum and delivers heat

5SECTION 1DESCRIPTIONII. PRINCIPLE OF AIR FLOW ContinuedB. Air FingersThe Middleby Series PS200-R68 Oven is a conveyorizedhot air oven employing verti

6SECTION 1DESCRIPTIONMiddlebyMarshallMiddlebyMarshallConveyorMotorLockingCasters(Rear Castersare not lockingcasters)Figure 1-4. Component LocationFron

7SECTION 1DESCRIPTIONShould a flame outage occur the control will close themain gas control valve within 0.8 seconds and attempt toreignite the pilot.

8SECTION 1DESCRIPTIONG. Air FingersThe Air Finger Assemblies are made up of three parts asfollows (See Figure 1-7):1. Outer Plate - The Outer Plate is

9SECTION 2INSTALLATIONSECTION 2INSTALLATIONNOTE: For U.S. installations the installation must conform with local codes or in absence of local codes,

10SECTION 2INSTALLATIONPS200-R68 OVEN INSTALLATIONREQUIRED KITS AND EQUIPMENTKITS AND EQUIPMENTPS200-R68 PS200-R68 PS200-R68 PS200-R68Gas Oven Electri

11SECTION 2INSTALLATIONPARTS LIST FOR SERIES PS200-R68 GAS OVENINSTALLATION KITPS200-R68, P/N 31350PS220-R68, P/N 31352PS224-R68, P/N 31351(Two requir

12SECTION 2INSTALLATIONPARTS LIST FOR SERIES PS200-R68 SINGLE OVEN OPTION KITPS200-R68, P/N 31360PS220-R68, P/N 30752PS224-R68, P/N 49025-0016ITEM QTY

13SECTION 2INSTALLATIONFigure 2-3. Series PS200-R68 Oven Dimensions3"76mm50-1/2"1283mm48-1/2"1232mm3356-3/4”1441mm4340-1/2"1028mm1

Middleby Marshall Inc. • 1400 Toastmaster Drive • Elgin, IL 60120 • (708) 741-3300 • FAX (708) 741-4406National Service Cooperative 1-800-298-1862Midd

14SECTION 2INSTALLATIONFigure 2-4. Control Box, Wireway and CableInstallation"UPPER" label"LOWER" labelWirewayII. CONTROL BOX AN

15SECTION 2INSTALLATIONIV. RESTRAINT CABLE INSTALLATIONInstall the restraint cable assembly on the oven asshown in Figure 2-7.Figure 2-7. Restraint Ca

16SECTION 2INSTALLATION24"610mm6ONOFF3”76mm6ONOFF24"610mm5234172ToOvenToOvenTo Oven (Flexible Hose)6”152mmGAS OVEN ROUGH-INUTILITY ROUGH-IN

17SECTION 2INSTALLATION24"610mm6ONOFF6ONOFF24"610mmToOvenToOvenELECTRIC OVEN ROUGH-INUTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS200-R

18SECTION 2INSTALLATIONFigure 2-10Vent HoodV. VENTILATION GUIDELINESA mechanically driven ventilation system is required forthe PS200-R68 Series Middl

19SECTION 2INSTALLATIONVI. ELECTRIC SUPPLY FOR GAS HEATED OVENSElectric supply for all gas heated ovens is 208-240 voltsAC single phase. Each oven req

20SECTION 2INSTALLATIONVIII. ELECTRIC SUPPLY FOR ELECTRICALLYHEATED OVENSElectrically heated ovens are available in 208 or 240volts, 5 wire, 3 phase o

21SECTION 2INSTALLATIONOn ovens equipped with casters, the installation shall bemade with a gas connector that complies with the stan-dard for gas con

22SECTION 2INSTALLATION1. The oven and its individual manual shutoff valve(located at the left rear of the oven) must be discon-nected from the gas su

23SECTION 2INSTALLATIONIt is possible to convert ovens from natural gas to propaneand back. Call your local authorized factory service agentto perform

This Manual Must Be KeptFor Future ReferenceWARNINGPOST IN A PROMINENT LOCATION, THE EMERGENCY TELEPHONE NUMBER OF YOUR LOCAL GASSUPPLIER AND INSTRUCT

24SECTION 2INSTALLATIONNOTES:

25SECTION 3OPERATIONSECTION 3OPERATIONI. CONTROLS AND COMPONENTSFigure 3-1.PS200-R68 SeriesControl FunctionsTemperatureControllerLower OvenControl Box

26SECTION 3OPERATIONII. COMPONENT INFORMATION AND LOCATIONDoor SafetySwitchConveyorSpeedControlBlowerFan MotorFigure 3-2A. Door Safety SwitchThe Door

27SECTION 3OPERATIONFigure 3-3. Conveyor Speed Digital ControlF. ConveyorThe conveyor switch is onthe control box. Also on the con-trol box is the

28SECTION 3OPERATIONII. OPERATIONA. Start Up Procedures -- Gas Heated OvensInitial Start Up1. Check that manual gas shutoff valve is on. Valve islocat

29SECTION 3OPERATIONFigure 3-6. Control PanelMINSECIOFUNCTIONDISPLAYRESETSETUPMINSECIOIO0000MINSEC˚CMiddleby MarshallALMHEAT351S E T P T 1FUNCTION DI

30SECTION 3OPERATIONB. Temperature Controller Operation Instructions1. UNLOCKING SET POINT. The temperature controller set point must be 450°F (232.2°

31SECTION 3OPERATIONFigure 3-9Figure 3-10Figure 3-113. Display Messagesa. ALM - The ALM window will display either a “1” or “2” or will beblank.AA. Re

32SECTION 3OPERATIONFigure 3-12c. FAILSF (Failsafe)AA. Refer to Figure 3-12. If the oven does not reach 200°F (93°C)in 15 minutes the temperature cont

33SECTION 3OPERATIONFigure 3-13. Bake timeFigure 3-14. Time of DeliveryTime of DeliveryBake TimeD. Shut Down (Gas or Electric Ovens)1. Turn "OFF&

TABLE OF CONTENTSPageSECTION 1 - DESCRIPTIONI. MODEL IDENTIFICATION ...

34SECTION 3OPERATIONNOTES:

35SECTION 4MAINTENANCESECTION 4MAINTENANCEFigure 4-1. Oven Cooling FanCAUTIONPossibility of injury from rotating parts and electrical shockexist in th

36SECTION 4MAINTENANCEMiddlebyMarshallMiddlebyMarshallC. Crumb PansRemove the crumb pan(s) at bothends of the oven. Crumb pans areremoved by sliding o

37SECTION 4MAINTENANCEFigure 4-4.Figure 4-5.4. Remove tension from drive chain by lifting and pushingthe conveyor slightly into the oven. Remove driv

38SECTION 4MAINTENANCEFigure 4-7.Figure 4-8.Figure 4-9.B. Oven interior disassembly.1. Slide blank plates straight out. There is a blank platelocated

39SECTION 4MAINTENANCEC. Window disassembly for cleaning.1. Remove the window by opening it and unscrewing thewindow knobs from each end. Place the wi

40SECTION 4MAINTENANCEb. Place the end plugs in the soakbin as shown in Figure 4-13.Then place the fingers in the soakbin by placing the slanted sides

41SECTION 4MAINTENANCEE. Cleaning parts that were soaked overnight.Cleaning takes 2 people. One to clean the oven and one to clean the parts.You will

42SECTION 4MAINTENANCE4. Cleaning fingers.WARNING: Clean one finger at a time. Only one finger at a time should be disassembled becausethe parts of th

43SECTION 4MAINTENANCEc. Place fingers in an upright position to remove the outer plate.Gently step on the lip of the finger and pull the outer plate

TABLE OF CONTENTSContinuedSECTION 4 - MAINTENANCEI. MAINTENANCE - DAILY ...

44SECTION 4MAINTENANCEFigure 4-20.3. Clean the oven exterior as needed and dry theoven inside and out.4. Spray all interior surfaces, except the fanar

45SECTION 4MAINTENANCE2. Reassemble bottom fingers into oven first by pushing in on their back side.Refer to Figure 4-16 for correct finger position i

46SECTION 4MAINTENANCEb. Install fingers and blank platescorrectly with edges interlocked.There must be be no opening be-tween edges of filler plates.

47SECTION 4MAINTENANCEFigure 4-24.3. Reassemble lower end plugs to both endsof oven. Refer to Figure 4-24. Notice that thelower end plugs have a notch

48SECTION 4MAINTENANCEb. Attach drive chain by lifting conveyor andattaching drive chain to conveyor drivesprocket.Figure 4-26.Figure 4-27.c. The angl

49SECTION 4MAINTENANCEMiddlebyMarshallMiddlebyMarshalle. Checking conveyor belt tension.NOTE: Oven conveyor belt must be cool when adjusting belt.Do n

50SECTION 4MAINTENANCEIII. MAINTENANCE - EVERY 3 MONTHSNOTE: It is recommended that the 3 Month Maintenance schedule be performed by an Authorized Mid

51SECTION 4MAINTENANCEC. Checking and/or replacing main blower fan belt1. Check the main blower fan belt for proper tension andwear. To gain access y

52SECTION 4MAINTENANCEFigure 4-34.3. If belt is loose or to replace belt loosen the tensionlocking bolts on the motor mounting bracket. Next pullback

53SECTION 4MAINTENANCEIV. MAINTENANCE - EVERY 6 MONTHSNOTE: It is recommended that the 6 Month Maintenance schedule be performed by an Authorized Midd

NOTES

54SECTION 4MAINTENANCENOTES:

55SECTION 5TROUBLESHOOTINGSECTION 5TROUBLESHOOTINGPROBLEMPRODUCTS OVERCOOKED ORUNDERCOOKEDCheck for correctsetting of conveyorspeed control.Set convey

56SECTION 5TROUBLESHOOTINGPROBLEMOVEN WILL NOT HEATCheck to see if both blowerswitch and heat switch are in the"I" (on) positionIf still no

57SECTION 5TROUBLESHOOTINGPROBLEMOVEN WILL NOT TURN ON WHEN THE SWITCHESARE TURNED ONCheck if circuit breakers areturned on.Check if cables at remote

58SECTION 5TROUBLESHOOTINGPROBLEMBLOWER MOTORS RUNNING BUT LITTLEOR NO AIR AT FINGERSFingers assembled incor-rectly after cleaning

59SECTION 6PARTS LIST6-16-26-36-46-56-66-76-86-9Oven Panels, Window and Legs Exploded DrawingAir Finger Exploded DrawingControl Panel Exploded Drawing

60SECTION 6PARTS LISTFIGURE 6-1OVEN PANELS, WINDOW AND LEGS1716457546281318202221252324251930313230313229262829271111121314547892316333534101036393738

61SECTION 6PARTS LISTOVEN PANELS, WINDOW AND LEGSPS200-R68 PS220-R68 PS224-R68ITEM PART PART PARTNO. QTY. NO. NO. NO. DESCRIPTION1 2 49400-0160 31314

62SECTION 6PARTS LISTFIGURE 6-2AIR FINGERS943216785

63SECTION 6PARTS LISTAIR FINGERSPS200-R68 PS220-R68 PS224-R68ITEM PART PART PARTNO. NO. NO. NO. DESCRIPTION1 49400-0146 49400-0242 49400-0249 FINGER A

1SECTION 1DESCRIPTIONSECTION 1DESCRIPTIONFigure 1-1. Middleby™ Series PS200-R68 OvensI. MODEL IDENTIFICATIONThe Middleby™ Series PS200-R68 Ovens may b

64SECTION 6PARTS LISTFIGURE 6-3CONTROL PANELMINSECIOFUNCTIONDISPLAYRESETSETUPMINSECIOIO000020161718191011,1312,1311,13115946752,3814

65SECTION 6PARTS LISTCONTROL PANELITEM PARTNO. QTY. NO. DESCRIPTION1 1 31120 CONTROL PANEL ENCLOSURE2 1 31118 FACE PANEL, REMOTE3 1 31119 LABEL, FACE

66SECTION 6PARTS LISTFIGURE 6-4BLOWER AND SHROUD251056212223222426201212206546712528121113171712141915121816124653

67SECTION 6PARTS LISTBLOWER AND SHROUDITEM PARTNO. QTY. NO. DESCRIPTION1 1 22181-0034 BELT, V-NOTCHED2 1 22230-0073 PULLEY, 60 HZ OVENS, 5/8"B

68SECTION 6PARTS LIST3924252628,2930333435311,245201523 1227161712231522911171614151218381514123710813136192173731364041FIGURE 6-5CONVEYORRight Hand D

69SECTION 6PARTS LISTITEM PS200-R68 PS220FS-R68 PS224-R68 CONVEYORNO. QTY. PART NO. PART NO. PART NO. DESCRIPTION1 30290RH 31286RH 31299RH CONVEYOR AS

70SECTION 6PARTS LISTFIGURE 6-6GAS BURNER AND PIPING ASSEMBLY272428222325262119122011317334653217129161513214101510111293784,3018Adjustment ScrewCap S

71SECTION 6PARTS LISTGAS BURNER AND PIPING ASSEMBLYITEM PARTNO. QTY. NO. DESCRIPTION1 1 42810-0121 1/2" GAS CONTROL VALVE2 2 23153-0004 1/2"

72SECTION 6PARTS LISTFIGURE 6-7MACHINERY COMPARTMENT1235678141516111415141516121318191817212089102223,24

73SECTION 6PARTS LISTMACHINERY COMPARTMENTITEM PARTNO. QTY. NO. MODEL DESCRIPTION1 1 28021-0047 GAS & ELECTRIC SAFETY INTERLOCK SWITCH2 1 42810-01

2SECTION 1DESCRIPTIONPS200-R68 SERIES OVEN SPECIFICATIONSPS200-R68 GAS PS200-R68 ELECTRIC PS224-R68 GAS PS224-R68 ELECTRIC PS220-R68 GAS PS220-R68 ELE

74SECTION 6PARTS LISTFIGURE 6-8ELECTRIC OVEN ELECTRIC PANELj351117642910812

75SECTION 6PARTS LISTELECTRIC OVEN ELECTRIC PANELITEM PARTNO. QTY. NO. DESCRIPTION1 1 37900-0097 ELECTRIC PANEL W/O COMPONENTS2 1 37900-0096 BRACKET -

76SECTION 6PARTS LISTFIGURE 6-9JUNCTION BOX AND EXPORT TRANSFORMERN17 1 2NN1717112217N125,674223TerminalBlockTransformerGround

77SECTION 6PARTS LISTJUNCTION BOX AND EXPORT TRANSFORMERITEM PARTNO. QTY. NO. DESCRIPTION1 1 28082-0010 TRANSFORMER .75 KVA 240-480V EXPORT ONLY1 1 28

78SECTION 6PARTS LISTNOTES

79SECTION 7ELECTRICAL SCHEMATICSSECTION 7ELECTRICAL SCHEMATICS

80SECTION 7ELECTRICAL SCHEMATICSorn#16#161RC123 5461314neutral-M AC SP9 10C1orn+M AC-M AC SP+M AC#161 2 3 4 5 6Gneutral # 16#16#16#163443A1 A29A 9A9AX

81SECTION 7ELECTRICAL SCHEMATICSJ224 pin cable,Both connectors female12 11 1024 23229 7 6 54 3 2 18Pin #’s 1-12 Thumbwheel Ribbon Cable starting with

82SECTION 7ELECTRICAL SCHEMATICSMiddleby Marshall Inc. • 1400 Toastmaster Drive • Elgin, IL 60120 • (708) 741-3300 • FAX (708)741-4406National Service

3SECTION 1DESCRIPTIONNOTEWiring Diagram is contained at the back of this Manualand is also located inside of themachinery compartment..SERIES PS200-R6