Leupold PS536GS Oven User Manual
Contents
1. 5 925 una v nanlanauv nnwnoo X uallvHosasy g3o 292 S YHoay naon VINAIVA FIM 9 Si zw NEN NVINCON 3NNVA Sh Eis 9 LW 381839 IuN3ASNUuy Tn Q0 555g INYA SNuvinaon 5255 bor 6 651 Y 3232 ELL S 22 8 2 1 L 3onas est 8 Luna OR zx i ast 9 2 HOOYWHOASNVHL fet AL UNALVWBOSSNVAL En N m Em ela MOIVWEOASNVHL ve ve AVZ AOEZ HOLNNASIO WOLNNASIC H Nena Unalonoreig unaLoNorsia UNIVWEOSSNYEIL 5 Sua VHOSNN3uL HOLIMS SH3LVHOSNN3UL E 20510082 WX aomas Q yee UNE LINOUIO a YOLOSNNOO TWN dA LINDHID ZO HOLO3NNOO LINDHID 9 19 LEL SSIINN 814 38 E Hrn 22 x 012 unaivolardiwv NED ALON Y3MHVLSY3A avd ualdridwv n annoys Q TOHLNO9 OLNSWILYYAINOO 130 14 1 n S3 vNINu3L anoo1g 31s 181 NVaNNYd YNILANYHILNI 315 HOLIMS 9SH HINO INYA youvo S o 01 Our 1305011090 3a 0V8 11330 ALTIJOHLSNINNNG uarias COM1 31404 39VTINOUEJA 92 3Honvo 3100 YOLNNASIG aus SANN2. 33 SINGLE BELT CONVEYORS 35 VIII SPLIT BELT CONVEYORS 37 SECTION6 ELECTRICAL WIRING DIAGRAMS 39 WIRING DIAGRAM PS536GS GAS OVEN DOMESTIC amp STD EXPORT VERSION 208 240V 50 60 Hz 1 Ph 39 SECTION 1 DESCRIPTION OVEN USES PS536GS ovens can be used to bake and or cook a wide variety food products such as pizza pizza type products cookies sandwiches and others OVEN COMPONENTS see Figure 1 1 Window Allows the user to see and access food products inside the baking chamber Conveyor End Stop Prevents food products from falling off the end of the moving conveyor Eyebrows Can be adjusted to various heights to prevent heat loss into the environment End Plugs Allow access to the oven s interior Control Panel Location of the operating controls for the oven Refer to Section 3 Operation for details Machinery Compartment and Control Compartment Doors Allow access to the oven s interior components One door is located at each end of the oven No user servicable parts are located inside the machinery compart ment or control compartment Serial Plate Provides specifications forthe oven that affect installation and operation Refer to Section 2 Installation for details Conveyor Drive Motor Moves the conveyor Crumb Pans Catch crumbs and other mate
3. 4 A Dimensions x etu 4 B General Specifications 4 C Electrical Specifications for Gas Ovens 5 D Gas Orifice and Pressure Specifications Domestic and Standard Export Ovens 5 E Gas Orifice and Pressure Specifications CE OVENS i eit t ia 5 SECTION 2 INSTALLATION 6 7 VENTILATIONSYSTEM 8 Requirements 2 2 24 8 Recommendations 8 C Other Ventilation Concerns 8 ASSEMBLY ee nile ee UR 9 A Top Panel and Base Pad Assembly 9 Stack isidro ea 10 Restraint Cable Installation 10 Conveyor Installation 11 E Final Assembly 12 IV ELECTRICAL SUPPLY 13 Additional Information Gas Ovens 13 TABLEOFCONTENTS page B Connection steve ego qa as 13 Ve GAS SUPPLY 12 14 Gas Utility Rough In Recommendations 14 B Gas Conversion 14 C Connection 14 SECTION3 OPERATION 16 LOCATION AND DESCRIPTION CONTROLS 16
4. HOLIMS H00Q H1 SY3LIVHOSNN3UL LINDYIO OGVHY39 SNSLLNIV 3 9202 8N3LON 31083An09 69 NALTVH39 N3SSOTH2S39 3430 TVNUON 5 015 WaLTWHOSSONNYOJGBVHOLINON 8 35010 013H O N ZH 09 05 HOLIMS 4300 HOLOW Aorz goz c o Gy gto 130 VLU3IGND YOLANYYILNI 3W33 NNALNIVW 1 1 vic gt lt E Cc tment inery compar de the mach InSI Iso located IS a for the oven iagram d iring An electrical w 39 Fig 6 2 Wiring diagram PS536GS Gas Oven 208 240V 50 60 Hz 1 Ph Av Idsia HOA3ANOO NNOO 6272 N d dO Sana 31VN34 1 SLO3NNOO alonga 7 quo or zer 99 2 PEU ava 9rz sel mnam Aasia a33dS ONS Holms ON ONE vail NNOO Noor SNOLIVOOT HOLIMS 572 7i MNOO 1494 Hamog c8vc N d USTIOHLNOI c8vc QHvO8 Hd 1dvQv 3univuadwal N d dO 3 IVIN33 aL OL SLO3NNOO SL 21911 8 elt SEL gt gt 2 LDO e F P vee 1 IWA SNOLLVOOT Nid 6 21 1d98 3 IVIN uM 6421 N d 40 SECTION 6 ELECTRICAL WIRING DIAGRAMS Fig 6 3 Wiring diagram PS536GS Gas Ove
5. BN BLOWER Switch Turns the blowers and cooling fans on and off The HEAT Switch has no effect unless the BLOWER Switch is in the ON position HEAT Switch Allows the burner to activate Activation is determined by the settings on the Digital Temperature Controller CONVEYOR Switch Turns the conveyor drive motor on and off Conveyor Speed Controller Adjusts and dis plays the bake time Single belt ovens have one controller Split belt ovens have one controller for each conveyor belt labeled FRONT and BACK LOCATION AND DESCRIPTION OF CONTROLS E Digital Temperature Controller Continuously monitors the oven temperature Settings on the Digital Temperture Controller control the activa tion of the burner Keypad controls allow the operator to select the cooking temperature and monitor oven operation NOT SHOWN F Machinery and Control Compartment Safety Switches Disconnect electrical power to the controls and blowers when EITHER the machinery compartment door OR the control compartment door is opened The doors should only be opened by authorized service personnel 16 SECTION3 OPERATION NORMAL OPERATION STEP BY STEP 7 Waitforthe oven to heat to the setpoint temperature Higher setpoint temperatures will require a longer wait The oven DAILY STARTUP PROCEDURE can reach a temperature of 500 F 232 C in approximately 5 minutes 1 Check that the circuit breaker fused
6. BLOWER Switch 16 B HEAT 89 Switch 16 C CONVEYOR a 16 D Conveyor Speed Controller 16 E Digital Temperature Controller 16 F Machinery and Control Compartment Safety Switches 16 I NORMAL OPERATION STEP BY STEP 17 Daily Startup Procedure 17 B Daily Shutdown Procedure 17 QUICK REFERENCE DIGITAL TEMPERATURE CONTROLLER jase eni tiet 18 SECTION 4 MAINTENANCE 19 1 MAINTENANCE DAILY 19 MAINTENANCE MONTHLY 20 MAINTENANCE EVERY 3 MONTHS 20 IV MAINTENANCE EVERY 6 MONTHS 22 SECTION 5 PARTSLIST 23 L KEYSPAREPARTSKIT 23 5 25 Il PANELS END PLUGS AND WINDOW 27 PANELS END PLUGS WITHOUT WINDOW 27 29 V MACHINERY COMPARTMENT AND GAS TRAIN 31 REAR COMPARTMENT AND BLOWERS
7. Install the end plugs on the oven Then reinstall the conveyor Reattach the drive chain Replace the chain cover Check the tension of the conveyor belt as shown in Figure 2 11 in Section 2 Installation The belt should lift about 1 25mm If necessary adjust the belt tension using the procedure in Part D Conveyor Installation in the Installa tion section of this Manual Replace all components onto the oven MAINTENANCE EVERY 3 MONTHS Check that the oven is cool and the power is disconnected as described in the warning at the beginning of this Section Open the machinery compartment access panel Vacuum the inside of the compartment using a shop vacuum Tighten all electrical control terminal screws Split Belt Disassembly and Cleaning 1 Refer to Part D Conveyor Installation in the Installa tion section of this Manual Then remove the following components from the oven Conveyor end stop Crumb trays Chain cover Drive chains End plugs Conveyor assembly 20 SECTION4 MAINTENANCE Figure 4 2 Removing Air Fingers and Plates Figure 4 3 Disassembling the Air Fingers Outer Plate Inner plate Manifold SECTION4 MAINTENANCE 2 10 11 12 13 14 15 16 17 18 19 Remove the master links from each conveyor belt Then roll the belts up along the length of the conveyor to remove them from the frame Remove the two conveyor adjustment
8. S deflection 0 0 0000080000 0000 AA a Adjustment screws 2 on idler end of conveyor 11 SECTION2 INSTALLATION 5 If it is necessary to add or remove conveyor links to achieve the correct tension OR if it is necessary to reverse the conveyor belt for correct orientation the belt will need to be removed from the conveyor frame If this is necessary perform the following procedure e Remove the conveyor assembly from the oven and place it flat on the floor Remove the master links using long nose pliers Then roll up the belt along the length of the conveyor frame Add or remove belt links as necessary to achieve the correct belt tension e Replace the belt on the conveyor frame Check that the conveyor belt links are oriented as shown in Figure 2 12 and that the smooth side of the conveyor belt faces UP Connect the inside master links Check that the links are oriented as shown in Figure 2 12 e Connect the outside master links Note that the outside master links each have an open hook on one side This hook aligns with the hooks along the sides of the other conveyor links See Figure 2 12 Replace the conveyor into the oven Final Assembly Install the drive chain between the conveyor drive sprocket and the motor sprocket To install the chain it will be necessary to lift the drive end of the conveyor slightly Install the conveyor chain cover as shown in F
9. 22 PANELS END PLUGS AND WINDOW ITEM PN DESCRIPTION ITEM P N DESCRIPTION 1 A 50172 WINDOW SHROUD 13 1 47633 BACKWALL 2 1 22500 0021 NAMEPLATE MIDDLEBY MARSHALL 14 1 36451 COOLING FAN 3 1 48437 HEATGUARDPLATE 15 1 31497 FINGER GUARD COOLING FAN 4 2 30927 BUMPER 16 1 36 39 CHAIN COVER UPPER 5 1 48512 ASSEMBLY WINDOW INC ITEMS 6 7 17 1 49938 DOOR CONTROL COMPARTMENT FOR OVENS WITH RIGHT SIDE CONTROLS 6 1 47611 WINDOW FRAME WITHHANDLE 18 1 48687 DOOR MACHINERY COMPARTMENT FOR 7 1 47837 WINDOW GLASS PRE CUT LEFT SIDE 921 49920 WINDOW LATCH ASSEMBLY aa END PLUG BOTTOM 151 8821 SPACER BLOCK 20 2 42771 SLIDE OUTER SIDE 11 2 1841519 SCREW HD 1 4 20 X 1 o m WING NUT PLASTIC Tie ed 48605 TORPANEL 22 8 45449 BRACKET END PLUG MOUNTING llla PANELS END PLUGS WITHOUT WINDOW PIN DESCRIPTION PN DESCRIPTION 2 1 22500 0021 NAMEPLATE MIDDLEBY MARSHALL 17b 1 Not available DOOR CONTROL COMPARTMENT FOR OVENS WITH LEFT SIDE CONTROLS 11 2 1841519 SCREW HEX HD 1 4 20 X 1 18 1 48687 DOOR MACHINERY COMPARTMENT FOR 125220 28808 ug MEI OVENS WITHRIGHT SIDE CONTROLS 2 21033 PAGE WAEL 18b 1 Not available DOOR MACHINERY COMPARTMENT FOR 36451 COOLING FAN OVENS WITH LEFT SIDE CONTROLS 15 1 31497 FINGER GUARD COOLING FAN LM END PLUG TOP 16 1
10. Conveyor Installation For domestic and standard export ovens continue with this Section to install the restraint cable Because domestic and standard export ovens are equipped with casters a restraint cable assembly must be installed to limit the movement of the appliance without depending on the connector and the quick disconnect device or its associated piping One end of the cable is anchored to the eyebolt on one of the rear leg extensions while the other is anchored to the wall See Figure 2 8 After connecting the restraint cable move the oven to its final location Then lock the two front casters 1 Stack an oven cavity on top of the lower oven Check the following e All four sides of the lower lip on the bottom edge of the oven cavity overlap the top of the lower oven e oven is level oven is firmly seated See Figure 2 6 2 For triple ovens repeat Step 1 to install the top oven cavity Install the top panel using the screws included in the base pad kit as shown in Figure 2 7 Figure 2 7 Top panel installation 10 x 2 screws 1 Figure 2 8 Installing the Restraint Cable Restraint cable assembly 3 8 16 x 1 1 eyebolt on rearleg extension 3 4 19mm eyebolt Wall of structure SECTION 2 INSTALLATION D Conveyor installation Figure 2 9 Conveyor inst
11. IDLER SIDE 16 4 lt 22229 0003 gt SPROCKET CONV BELT 8 50044 50044 SH n nn N Im ue BUSHING BRONZE 5 8 I D 50040 50040 50040 EXIT TRAY 8 203mm STD ON 18 2 37000 0413 50033 37000 0413 BRACKET IDLERADJUSTMT N aay CONVEYORS OPT 19 2 lt 35900 0020 gt BRACKET IDLERSUPPORT 2777555555 32b 1 50023 50023 50023 EXIT TRAY 20 508mm 20 2 35000 1008 50028 35000 1008 SCREW IDLERADJUSTMENT ON ALL CONVEYORS 21 2 lt 48755 gt PIVOTPLATE 22 4 lt 21176 0002 gt LOCKNUT 3 8 16 SS LSIISLUVd SNOLLOSS NOTES SECTION 6 ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGRAMS SECTION 6 Fig 6 1 Wiring diagram PS536GS Gas Oven 208 240V 50 60 Hz 1 Ph SANOIVONAV EVSN 592 1N3W3AISn1Ox3 8 8 631 mE Di 3dAL3T4003OWH3HL 12 i yoav avo PET nalavo unaLavo Y EN N waWHaNdny 8 8519138 sm SUR 8 LL PER REN OBEREN me 8 ISL 192 952 1 veo He elo 3Homvogiposuu3i __ 52 5 i DEN lt 2 YILTWHOSSONNZI
12. 25 16 19 22 36 ____________ ________________________________ NENE G30 1 3970 29 or 50 28 30 37 26 2 22 59 mm mbar or 50 mbar mbar kW hr IMPORTANT Additional electrical information is provided on the oven s serial plate and on the wiring diagram inside the machinery compartment SECTION2 INSTALLATION WARNING For gas ovens after any conversions readjustments or service work on the oven Perform a gas leak test Testfor correct air supply e Test for proper combustion and gas supply e Check that the ventilation system is in operation WARNING Keep the appliance area free and clear of combustibles WARNING The oven must be installed on an even level non flammable flooring and any adjacent walls must be non flammable Recommended minimum clearances are specified in the Description section of this Manual WARNING Do not obstruct the flow of combustion and ventilation air to and from your oven There must be no obstructions around or underneath the oven Constructional changes to the area where the oven is installed shall not affect the air supply to the oven CAUTION For additional installation information contact your local Authorized Service Agent NOTE There must be adequate clearance between the oven and combustible construction Clearance must also be provided for servicing and for proper operation NOTE An electrical wiring diagram
13. 8 3 1 lt 48781 gt DRIVESHAFT 4 4 lt 22229 0003 gt SPROCKET CONV BELT 5 2 lt 43275 gt SPACER 6 2 lt 22034 0003 gt BUSHING BRONZE 5 8 7 2 lt 35000 1080 gt SPACER NYLON 8 2 lt 49972 gt BRACKET DRIVESUPPORT 9 1 lt 48782 gt ASSEMBLY HIGH SPEED DRIVE SHAFT INC ITEMS 10 11 10 1 lt 48781 gt DRIVESHAFT 11 4 lt 22229 0003 gt SPROCKET CONV BELT 12 2 lt 453977 gt FLANGEBEARING HIGHSPEED ONLY 13 1 48746 48784 48795 FRAME IDLERSIDE 14 1 48780 50032 48780 ASSEMBLY IDLER SHAFT INC ITEMS 15 19 15 1 lt 48779 gt IDLERSHAFT 16 4 lt 22229 0003 gt SPROCKET CONV BELT 17 2 lt 22034 0003 gt BUSHING BRONZE 5 8 18 2 37000 0413 50033 37000 0413 BRACKET IDLERADJUSTMT 19 2 lt 35900 0020 gt BRACKET IDLER SUPPORT 20 2 35000 1008 50028 35000 1008 SCREW IDLERADJUSTMENT 21 2 lt 35900 0398 gt PIVOTPLATE 22 4 lt 21176 0002 gt LOCKNUT 3 8 16 SS P N 60 P N 56 P N 76 ITEM QTY CONVEYOR CONVEYOR CONVEYOR DESCRIPTION 23 1 lt 51067 gt ASSEMBLY CONVEYOR TORANDPICKUP INC ITEM 23a 23a 1 lt 50163 gt PICKUP 24a 1 lt 84128 gt SPROCKET CONVEYORDRIVE MOTOR 20T STANDARD 25 1 22159 0003 gt SPROCKET CONVEYO
14. CONTROL COMPARTMENT 11 1 37498 AIR SWITCH 12 1 48455 IGNITOR 13 1 50249 COMBINATION GAS CONTROL VALVE SAFETY REGULATOR 14 1 41647 MODULATING GAS VALVE M420 1 2 15 1 31651 AMPLIFIER BOARD 16 1 50239 IGNITION MODULE 17 1 50240 IGNITION CABLE 25 23 24 Sc Il INSTALLATION KIT QTY QTY QTY ITEM SINGLEOVEN DOUBLEOVEN TRIPLEOVEN P N DESCRIPTION 1 1 1 1 48605 TOP PANEL 2 2 4 4 3A80A8801 SCREW PAN HEAD 10 x 2 3 1 1 1 42893 BASEPAD 4a 4 4 42890 17 1 2 445mm LEG EXTENSION FOR SINGLE AND DOUBLE OVENS 4b 4 45360 20 1 2 521mm LEG EXTENSION OPTIONAL 4 4 45329 25 1 2 648mm LEG EXTENSION OPTIONAL 44 4 44799 6 152mm LEG EXTENSION FOR TRIPLE OVENS 5 2 2 2 22290 0009 CASTER WITH FLAT PLATE AND BRAKE 6 2 2 22290 0010 CASTER WITH FLAT PLATE NO BRAKE 7 1 1 1 21392 0004 EYEBOLT 3 4 8 31 31 31 220373 BOLT 3 8 16 x 1 9 32 32 32 21416 0001 FLATWASHER 3 8 10 32 32 32 21422 0001 LOCKWASHER 3 8 11 1 1 1 22450 0228 RESTRAINTCABLE ASSEMBLY 12 1 2 3 22361 0001 GAS HOSE 3 4 to 1 2 Gas hose reducer included with gas hose 13 1 1 1 50236 OWNER S OPERATING MANUAL PS536 GAS OVENS 14 1 1 1 1002040 MIDDLEBY MARSHALL AUTHORIZED SERVICE AGENCY LISTING 15 1 1 46393 LOWER SHELF 16 1 2 3 50276 KIT LP LSITSLUVd SNOILOSS eu 7 Ind gem gt to 26
15. REQUIRE a mechanically driven ventilation system with electrical exhaust air sensing control A mechanically driven ventilation system is STRONGLY RECOMMENDED for electric oven installations PROPER VENTILATION OF THE OVEN IS THE RESPONSIBILITY OF THE OWNER B Recommendations NOTE THAT THE HOOD DIMENSIONS SHOWN IN FIGURE 2 2 ARE RECOMMENDATIONS ONLY LOCAL NATIONAL AND INTERNATIONAL CODES MUST BE FOLLOWED WHEN INSTALLING THE VENTILATION SYSTEM ANY APPLICABLE CODES SUPERSEDE THE RECOMMENDATIONS SHOWN IN THIS MANUAL The rate of air flow exhausted through the ventilation system may vary depending on the oven configuration and hood design Consult the hood manufacturer or ventilation engineer for these specifications To avoid a negative pressure condition in the kitchen area return air must be brought back to replenish the air that was exhausted A negative pressure in the kitchen can cause heat related problems to the oven components as if there were no ventilation at all The best method of supplying return air is through the heating ventilation and air conditioning HVAC system Through the HVAC system the air can be temperature controlled for summer and winter Return air can also be brought in directly from outside the building but detrimental effects can result from extreme seasonal hot and cold temperatures from the outdoors NOTE Return air from the mechanically driven system must not blow at the opening o
16. See pp 36 39 CHAIN COVER UPPER L1 NE ESSEN END PLUG BOTTOM 17a 1 49938 DOOR CONTROL COMPARTMENT FOR 20 2 255 SLIDE QUTER SIDE PM cete ha OMENS WITH RIGHT SIDE CONTROLS 1 21 8 36452 WING NUT PLASTIC 22 8 45449 BRACKET END PLUG MOUNTING LSIISLUVd SNOLLOSS 28 6c QTY QTY IV CONTROL COMPARTMENT QTY QTY ITEM SINGLE BELT SPLIT BELT P N DESCRIPTION ITEM SINGLE BELT SPLIT BELT P N DESCRIPTION 1 1 1 47321 DIGITAL TEMPERATURE 12 1 1 35145 RESET SWITCH HIGH LIMIT CONTROLLER 13 1 1 31504 TRANSFORMER 230V PRI 120V 2 1 1 48511 DECAL CONTROL PANEL SEC 200VA 3 1 2 37337 KIT CONVEYOR SPEED CON 14 1 1 37498 AIR SWITCH TROLLER WITH DIGITAL DISPLAY 0000 15 2 2 31047 TERMINAL BLOCK 8 POLE 1 2 37503 DIGITAL DISPLAY ONLY 16 1 1 97525 COOLING FAN 230V i 3 3 46521 KIT SELECTOR SWITCH WITH 17 1 1 27470 0004 FINGER GUARD COOLING FAN KNOB AND CONTACT BLOCK 18 1 1 F716A8701 GROUND LUG 5 1 2 48635 CIRCUIT BREAKER 0 DRIVE 19 i SEHMINAEBEOSK SPODLE MOTORS 20 1 1 49977 COVERPLATE TERMINAL BLOCK 6 2 2 46831 CIRCUIT BREAKER 8A BLOWER ACCESS MOTORS 21 1 2 51067 MOTOR CONVEYORDRIVE 7 2 2 45036 CIRCUITBREAKER 3A CONTROL en Meu E Eu E E PIT us a CIRCUIT 21a 1 2 50163 PICKUP 8 1 1 28021 0047 SAFETYSWITCH 22 1 1 33812 1 KIT THERMOCOUPLE 9 1 1 28041 0011 CONTACTOR 23 1 1 49938 DOOR CONTRO
17. drive shaft Disassemble clean and lubricate shafts 40 Flange bearing shown used with high speed conveyors Ce uU Loosen set screws and remove drive sprockets Remove 2 screws and nuts per side to free bearings brackets e Blower Belt 1 Remove the six screws shown in Figure 4 7 Then remove the rear panel from the oven Check the blower belt for the proper 1 4 6mm deflec tion atthe center and for cracking or excessive wear See Figure 4 7 Overtightening the belt will cause premature bearing failure and possible vibrations A loose belt may also cause vibrations If necessary adjust the tension of the belt by loosening the four motor mounting bolts Reposition the motor as neccessary until the correct 1 4 6mm deflection is reached then tighten the bolts Lubricating the Blower Fan Bearings 1 2 3 Use a grease gun to lubricate the main blower fan shaft bearings as shown in Figure 4 7 When lubricating the bearings Use a high quality NLGI 2 lithium soap grease with petroleum oil such as Middleby P N 17110 0015 Add the grease slowly until a small bead of grease is present at the seals AVOID OVERGREASING Excessive greasing may cause harm to the bearing Manually turn the blower shaft by pulling on the belt to purge the grease Wipe off any excess grease Replace the rear panel onto the oven MAINTENANCE EVERY 6 MONTHS Check that the oven is cool an
18. four casters are provided to allow the oven to be more easily moved to the installation location These casters are intended to simplify pre installation movement only and are NOT suitable for use as part of a CE oven installation During the installation procedure the casters MUST be removed so that the oven can be supported by the supplied 152mm adjustable legs 6 SECTION 2 INSTALLATION 3 INSTALLATION KIT see Figure 2 1 Qty Qty Qty Inc with Inc with Single Double Triple domestic CE Oven Oven Oven Part No ovens ovens Description 1 1 1 1 48605 Yes Yes Top panel 2 4 4 4 3A80A8801 Yes Yes Screw pan head 10 x 2 3 1 1 1 42893 Yes Yes Base pad 4a 4 4 42890 Yes Yes 17 1 2 445mm leg extension for single and d TR D oret A double ________________ d NON POR UNDE A Aa rh 45500 ana Yes _ _ _20 1 2 521mm leg extension optional 4 TTE PONE 45329 ____ _____ Yes _ 25 1 2 648mm leg extension optional dd o ee 4 44799 Yes Yes 6 152mm leg extension for triple ovens 5 2 2 2 22290 0009 Yes No Caster with flat plate and brake 6 22290 0010 Yes Yes Caster with flat plate no brake NOTE Domestic and standard export ovens include 2 braking casters item 5 and 2 non braking casters Item 6 CE approved ovens include 4 non braking casters 6 SOLELY for the purpose of
19. oven according the directions in the Operation section ofthis Manual Adjustthe temperature controller to the maximum setting 316 C 6 Adjust the pressure adjustment screw as necessary to match the correct pressure for the oven s specific gas type Refer to Table 1 5 in the Description section ofthis Manual Turning the adjustment screw clockwise increases the flow while turning it counterclockwise reduces the flow 7 Switch the oven off Close the main gas supply valve and switch the circuit breaker fused disconnect to the OFF position Remove the manometer and close the manifold pressure tap SECTION2 INSTALLATION b Volumetric Method 1 Determine the time of 0 1m 100 liters of gas usage as follows NB Rated input in KW HuB Heat Calorific value of gas in kW m3 Consumption m hr Time in minutes of _ 6 0 1m3 of gas usage Consumption 2 Check that the main gas supply valve and the circuit breaker fused disconnect are in the OFF O position 3 Remove the cap screw from the pressure adjustment screw governor on the gas control valve 4 Depress the safety switches to allow the oven to operate 5 Open the main gas supply valve Switch the circuit breaker fused disconnect to the ON I position 6 Startthe oven according the directions in the Operation section ofthis Manual Adjustthe temperature controller to the maximum setting 316 C 7 Adjust the pressure adjustmen
20. oven is equipped with the lower shelf position it in place as shown in Figure 2 3 Check that the lip on the shelf faces DOWN Seal joint between leg and shelf with NSF listed silicone 3 For domestic and standard export ovens Install one caster onto each leg extension as shown in Figure 2 4 Use the 3 8 16x1 screws 3 8 flat washers and 3 8 lockwashers supplied in the Installation Kit The locking casters should be installed at the FRONT of the oven The non locking casters should be installed at the REAR of the oven For CE export ovens The Installation Kit includes four casters AND four 152mm adjustable legs The casters are provided to allow the oven to be more easily moved to the installation location and are NOT suitable for use as part of the oven installation Refer to the notice at the beginning of this Section After the oven is at the installation location install one 152mm adjustable leg into the center hole on the bottom of each leg extension as shown in Figure 2 4 4 Install the lower oven cavity onto the base pad See Fig 2 4 5 For single ovens ONLY install the top panel using the screws included in the base pad kit as shown in Figure 2 5 Then skip ahead to Part C Restraint Cable Installation For double or triple ovens continue on to Part B Stacking Note that the top panel should NOT be installed for double and triple ovens until after stacking the oven cavities Figure 2 4 Base pa
21. screws from the idler end of the conveyor frame as shown in Figure 4 4 Remove the idler shaft assembly from the conveyor Pull apart the two sections of the idler shaft Clean the shafts thoroughly using a rag Then lubri cate both the extended shaft and the interior of the hollow shaft using a light food grade lubricant DO NOT lubricate the shafts using WD40 or a similar product This can cause the shafts to wear rapidly Before reassembling the shafts into the conveyor frame check that they are oriented properly Reassemble the idler shaft into the conveyor Make sure that the bronze washer is in place between the two sections of the shaft See Figure 4 4 Replace the conveyor adjustment screws as shown in Figure 4 4 To allow the conveyor belt to be reinstalled later do not tighten the screws at this time Loosen the set screw on both of the conveyor drive sprockets Then remove the sprockets from the shaft Check the conveyor configuration as follows e High speed conveyors are equipped with large flange bearings at both ends of the shaft as shown in Figure 4 5 For these conveyors re move the two screws that hold each bearing to the conveyor frame With the screws removed lift the end of the shaft at the front of the oven and pull the entire assembly free of the conveyor frame Standard conveyors are equipped with bronze bushings mounted on spacers at both ends of the shaft as shown in Figure 4 5 Fo
22. the absence of local codes with the Natural Gas Installation Code CAN CGA B 149 1 or the Propane Installation Code CAN CGA B 149 2 as applicable In Australia the installation must conform with AGA Codes AG311 and AG601 and with any requirements of the appropriate statutory authority In CE countries the gas supply connection should be according to EN 203 gas appliance directive and to applicable ISO 228 1 or ISO 7 1 recommendations All aspects of the gas supply connection must comply with current IEC CEE requirements and with all applicable local national and international codes Forall ovens equipped with casters the gas line connection shall be made with A connector that complies with the Standard for Connectors for Movable Gas Appliances ANSI 721 69 in USA or Connectors for Movable Gas Appliances CAN CGA 6 16 in Canada Check the oven s gas supply requirements to determine the type of gas to be used with the oven Ifthe gas type required does NOT match the local supply For North American installations a conversion kit is supplied with the oven to allow operation using propane gas Refer to Part B Gas Conversion in this section For CE ovens directions for converting the oven for use with other gases are described in Part D 1 Preparation for Use with Various Gases in this section If the installation will use the supplied gas hose be sure that the 1 2 to 3 4 gas line fitting is attached Refer
23. to the instructions in the gas hose package One gas line connection method is shown in Figure 2 15 however compliance with the applicable standards and regulations is mandatory Inlet and regulated gas pressures can be measured using a U tube manometer at the tap locations shown in Figures 2 15 and 2 16 Figure 2 15 Flexible Gas Hose Installation 1 2 gas pipe nipple 3 4 1 2 9 gas pipe To Gas reducer Supply Pipe 3 4 gas pipe nipple 1 2 gas line tee with pressure tap Full Flow Gas Shutoff Valve Individual gas connection for each oven cavity Flexible disconnect device 1 Checking the Gas Supply Inlet Pressure a With the main gas supply valve closed and the circuit breaker fused disconnect in the OFF O position open the inlet pressure tap shown in Figure 2 16 and attach a manometer to the tap b Depress the safety switches to allow the oven to operate Open the main gas supply valve Switch the circuit breaker fused disconnect to the ON 1 position d Start the oven according the directions in the Operation section of this Manual Adjust the temperature controller to the maximum setting 316 C e Measure the supply inlet pressure f Switch the oven off Close the main gas supply valve and switch the circuit breaker fused disconnect to the OFF O position Remove the manometer and close the inlet tap g Com
24. 4 2 lt 84128 gt SPROCKET CONVEYOR DRIVE 3 1 lt 49969 gt SPLIT DRIVE SHAFT MAIN MOTOR 20T STANDARD 4 1 lt 48837 gt SPLITDRIVESHAFT SLEEVE 25 2 lt 22159 0003 gt SPROCKET CONVEYOR DRIVE SHAFT 20T STANDARD AND 5 1 lt 21415 0001 gt FLAT WASHER BRONZE HIGHSPEED B 22229 0008 gt SPROCKET CONV BELT 26 1 35900 0023 gt BUSHING DRIVESPROCKET 7 2 lt 43275 gt SPACER STANDARDONLY 27a 1 50050 50050 50053 ASSEMBLY DRIVECHAIN REAR 8 2 lt 22034 0003 gt BUSHING BRONZE 5 8 I D BELI CONG SING ITEM ete STANDARD ONLY 27b 1 50051 50051 50052 ASSEMBLY DRIVE CHAIN 9 2 lt 49972 gt BRACKET DRIVE SUPPORT STANDARD ONLY 8 eL mA 2 Eee FLANGEBEARING HIGHSPEED 27c 1 lt 3101212 gt DRIVECHAIN ONLY 28 1 48851 48851 50029 ASSEMBLY CHAINCOVER 1 1 48746 48784 48795 FRAME IDLERSIDE 29 2 50056 50054 50058 BELT CONVEYOR 9 229mm 12 1 48769 50035 48769 ASSEMBLY SPLITIDLERSHAFT gt STANDAHD a GERN INC ITEMS 13 19 29b 2 50056 50054 50058 BELT CONVEYOR 9 229mm HIGHSPEED 13 1 lt 49968 gt SPLITIDLERSHAFT MAIN 14 1 estan 48778 SPLITIDLERSHAFT SLEEVE 2 095 _1_ _ o 48707 _48707_ _ _ 48708 a _ CRUMBPAN DRIVESIDE _ __ eg T PIN FLATWASHER BRONZE 30b 1 48707 48706 48708 CRUMBPAN
25. 5 635mm 25 1 50276 KIT LP NOTSHOWN MEE 49951 ORIFICE BYPASS NATURAL GAS 0 0810 2 0574mm 46 DRILL 1 49948 ORIFICE BYPASS PROPANE 0 0520 1 3208mm 55 DRILL LSIISLUVd SNOLLOSS 55 VI REAR COMPARTMENT AND BLOWERS P N DESCRIPTION ITEM QTY P N DESCRIPTION 1 2 42951 INLET RING 1 4 A11687 SCREW HEX CAP HEAD 5 16 18 X 7 8 2a 1 42752 BLOWER WHEEL RIGHT VIEWED FROM 12 4 B301A8847 FLAT WASHER 5 16 REAR OF OVEN Rede d 13 4 A3682 LOCK WASHER 5 16 2b 1 42753 BLOWER WHEEL LEFT VIEWED FROM REAR OFOVEN 14 1 50256 KIT RPM 50 60 2 CONTAINS SHEAVE 50260 WITH BUSHING 50259 3 2 42999 RETAINER TEFLON SEAL 15 1 50224 PULLEY BLOWER SHAFT 4 2 35121 0045 TEFLON SEAL 16 1 50517 BELT 50 60 2 5 2 22072 0025 BEARING 5 8 BORE WITH STANDARD 17 1 28021 0061 SAFETY SWITCH GREASE 17110 0015 GREASE MM STANDARD CARTRIDGE 18 1 47633 BACK WALL 7 2 50151 BLOWER SHAFT 20 1 31497 FINGER GUARD COOLING FAN 821 44748 COUPLING BLOWER SHAFT 9 1 44687 MOTOR BLOWER 208 230V 1 2HP 10 1 44688 PLATE MOTORMOUNTING LSITSLYVd SNOILOAS m e e 34 se P N 60 P N 56 P N 76 ITEM QTY CONVEYOR CONVEYOR CONVEYOR Vil SINGLE BELT CONVEYORS DESCRIPTION 11 48847 48847 48790 FRAME DRIVE SIDE 2 1 lt 48797 gt ASSEMBLY STANDARD DRIVE SHAFT INC ITEMS 3
26. AH vio x 3195 3X unalVInWWOO ZIUYMHOS DEN on 1437 GNNOWD OLNBINYLNSTVO 30 9 Ivi Y i E i ZINNMHOS HOLIMS 8 19 822 VU 822 BEER i x TOHLNOI 0 am 3SS31IA 2252 2223 885 m vom on e 3563 ee 3885 i WINNIVA SITYNINUAL 2 22 25 7 NON oez 919 LI 3NNVA SQHO0934 and 8008 en H m 108 ASSMHOSNVTLNAA 355 S IVNIWH3 L INVA Vez ix oonvia a 3dnoo HOGVINOUSNVEL 13 99 HOLOW ver OWH3HL N 1 1 EM HOLONONVE WOHLSHOISTO ad HOLOW HOASANOO 4483 5 YOLdNHYYILNI 38332 Pr 888 a 8 GND lt 25h28 Er ced 1 Be d 3e 90 poa PETERET 55588 5585 HOLIMS 13938 TOWING ATINGON VESIHO sioqvwano 130 OqIQN3ON3 HOSNAS ada PEPE unawnTivq unaLavo 22 SPREE IYWOLNYS NNYNISY YOSNISONAZ x 88 s5 9 SINGOW NOLLINO E u YOLOW 3 vo TN3W3SSIQIOS338 e N3HOION 351839 osz amor
27. All electric supply connections are made via the electrical junction box on the rear of the oven shown in Figure 2 14 power lines then connect to the oven circuits through safety switches that interrupt electric power to the oven When the Control Compartment Access Panel is opened Whenthe Machinery Compartment Access Panel is opened OR e When the rear panel is removed B Connection Refer to the wiring diagram inside the machinery compartment or in Section 5 of this Manual to determine the correct connections for the electrical supply lines Connect the supply as indicated on the wiring diagram If required by local national or international codes connect an equipotential ground wire to the lug next to the symbol shown in Figure 2 14 The equipotential ground connection must meet all applicable national and local code requirements Figure 2 14 Utility connection locations 33mm cutout for electric utility connection 2 AM 0 4 N 2 Z X X Equipotential NN ground lug Electrical Junction Box W 1 2 pipe for gas utility connection fitted with 3 4 adapter for use with supplied 3 4 dia gas hose SECTION2 INSTALLATION V GAS SUPPLY CAUTION DURING PRESSURE TESTING NOTE THE FOLLOWING 1 The oven and its individual shutoff valve must be discon nected from the gas supply piping system during any pressure test
28. L COMPARTMENT FOR RIGHT SIDE 10 2 2 33363 END STOP CONTACTOR 24 1 1 33813 RFI FILTER 11 1 1 33983 HIGH LIMIT CONTROL MODULE 240V LSI1SLYVd SNOILOAS 30 18 MACHINERY COMPARTMENT AND GAS TRAIN ITEM P N DESCRIPTION 1 1 27470 0004 FINGER GUARD NOTE The oven does NOT have a cooling fan in this location The opening provides passive cooling only 2 1 31047 TERMINAL BLOCK 8 POLE 3 1 32108 TRANSFORMER 240V PRI 24V SEC 65V A 4 1 28021 0047 SAFETY SWITCH 5 1 45644 CIRCUIT BREAKER 1A 6 1 41872 TRANSFORMER 240V PRI 24V SEC 25VA 7 1 31651 AMPLIFIER BOARD 8 1 50239 IGNITION MODULE 9 2 23051 0003 UNION 1 2 PIPE 10 1 52291 COMBINATION GAS CONTROL VALVE SAFETY REGULATOR 11 1 41647 MODULATING GAS VALVE M420 1 2 12 AR 48740 TUBE ALUMINUM 1 4 6 35mm O D BULK 13 2 44888 COMPRESSION FITTING 1 4 TUBE 14 1 49940 MANIFOLD 15 2 30002 TAP PLUG ITEM QTY P N DESCRIPTION 16a 3 44984 ORIFICE MAIN NATURAL GAS 0 0935 sg es ra _ 2 3749mm 42 DRILL 0 005 16b 3 47320 ORIFICE MAIN PROPANE 0 0595 1 5113mm 53 DRILL 17 1 33812 1 KIT IHERMOCOUPLE 18 1 48687 DOOR MACHINERY COMPARTMENT FOR LEFT SIDE 19 1 48489 ASSEMBLY BURNER TUBES 20 1 49955 HOUSING INSHOT BURNERS 21 1 47654 COVER PLATE INSHOT BURNER HOUSING 22 3 44983 BURNER INSHOT 23 1 48455 IGNITOR 24 1 50240 IGNITION CABLE 2
29. NG Before ANY cleaning or servicing of the oven perform the following procedure 1 Switch off the oven and allow it to cool Do NOT service the oven while it is warm 2 Turn the full flow gas safety valve to the off position 3 Turn off the electric supply circuit breaker s and disconnect the electric supply to the oven 4 Ifitis necessary to move a gas oven for cleaning or servicing disconnect the gas supply before moving the oven When all cleaning and servicing is complete 4 on the full flow gas safety valve Test the gas line 1 If the oven was moved for servicing return the oven to its connections for leaks using approved leak test sub original location stances or thick soap suds 2 Reconnect the gas supply Turn on the electric supply circuit breaker s 3 Reconnect the electrical supply Berform the normal startup procedure WARNING Possibility of injury from moving parts and electrical shock exists in this oven Switch off and lockout tagout the electric supply BEFORE beginning to disassemble clean or service any oven Never disassemble or clean an oven with the BLOWER switch or any other circuit of the oven switched CAUTION NEVER use a water hose or pressurized steam cleaning equipment when cleaning this oven To avoid saturating the oven insulation DO NOT use excessive amounts of water DO NOT use a caustic oven cleaner which can damage the bake chamber surfaces NOTE ANY replacement p
30. PS536GS P N 50236 2 OY omestic Expor rice A ENGLISH 7 72728 Marshall Em RRA PS536GS Gas Ovens Models Combinations e PS536GS Gas Single Oven Double Oven Two Stack Triple Oven Three Stack OWNER S OPERATING INSTALLATION AND PARTS MANUAL for domestic standard export and CE export ovens 2003 Middleby Marshall Inc 4 Ly Middleby Pik 7778 Marshall is a registered trademark of Middleby Marshall Inc All rights reserved lj y Middleby Cooking Systems Group 1400 Toastmaster Drive Elgin IL 60120 847 741 3300 FAX 847 741 4406 id sten us Listed NOTICE This Owner s Operating and Installation Manual should be given to the user The operator ofthe oven should be familiar with the functions and operation of the oven This manual must be kept in a prominent easily reachable location near the oven Ovens are shipped from the factory configured for use with natural gas If permitted by local national and international codes at the time of installation the oven may be converted to propane gas operation This conversion requires the use of at Gas Conversion Kit that is supplied with the oven For CE approved ovens the conversion is described in the Installation section of this Manual For domestic and standard export ovens instructions are included in the Gas Conversion Kit It
31. RDRIVE SHAFT 20T 26 1 50050 50050 50052 ASSEMBLY DRIVE CHAIN INC ITEM 26a 26a 1 lt 32101212 gt MASTERLINK DRIVECHAIN 27 1 48851 48851 50029 ASSEMBLY CHAINCOVER FOR OVENS WITH RIGHT SIDE KUREN ey ee Tuc _ _ _ _ CONTROLS n 27b 1 lt Not available gt ASSEMBLY CHAIN COVER FOR OVENS WITH LEFT SIDE CONTROLS 28a 1 50057 50055 50059 BELT CONVEYOR 18 457mm Mc MERERETUR 2 22 SIANDARD lata 28b 1 50057 50055 50059 BELT CONVEYOR 18 457mm HIGHSPEED 29a 1 48707 48706 48708 CRUMBPANDRIVESIDE _ 29b 1 48707 48707 48708 CRUMBPAN IDLERSIDE 30 1 50044 50044 50044 END STOP STD ON 76 CON VEYOR OPT ON 60 amp 56 31a 1 50040 50040 50040 EXIT TRAY 8 203mm STD ON 60 amp 56 CONVEYORS OPT EHE m _ _ ON 76 n ede ux 31b 1 50023 50023 50023 EXIT TRAY 20 508 ON ALL CONVEYORS 32 1 50235 50235 50235 PLATE MOTOR COVER ASSY LSIISLUVd SNOLLOSS 36 Ze Vill SPLIT BELT CONVEYORS P N 60 P N 56 P N 76 P N 60 P N 56 P N 76 ITEM QTY CONVEYOR CONVEYOR CONVEYOR _ DESCRIPTION ITEM QTY CONVEYOR CONVEYOR CONVEYOR _ DESCRIPTION 1 1 48847 48847 48790 FRAME DRIVESIDE 23 2 lt 51067 gt ASSEMBLY CONVEYOR TORANDPICKUP INC ITEM 23a 2 1 lt 48759 gt ASSEMBLY SPLIT DRIVE SHAFT STANDARD AND HIGH 23 1 lt 5063 gt PICKUP SPEED INC ITEMS 3 6 2
32. SECTION3 OPERATION QUICK REFERENCE DIGITAL TEMPERATURE CONTROLLER Display Shows the Set Point or the Actual Light HEAT ON Lights when the perature in degrees burner is in Fahrenheit F or operation Celsius SP LOCK Light Lights when the E set point is locked SET PT out from changes setpoint This setting can Light only be changed by Lights when the service personnel y Middleby set point is shown Marshall in the display DES HEA OVERTEMP Pred Light IILI ACTUAL Lights when the oven ACTUAL BL SP LOCK Er greater than ights when the 343 C Refer to OVER TEMP Actual Tempera Quick Reference ture is shown in Troubleshooting in i X the display this section Temperature Service Key Key Service use Press this key once only 88 to view the Actual Temperature in the Display Unlock Key Press this key together with the Set Point Key to allow the Set Point to be changed Changes can only be made for 60 seconds Up Arrow and Down Arrow Keys Press these keys to adjust the Set Point up or down Ifthe Set Point will not change refer to Set Point Key and Unlock Key in this section 18 Set Point Key Press this key together with the Unlock Key to allow the Set Point to be changed Changes can only be made for 60 sec onds SECTION4 MAINTENANCE WARNI
33. allation 1 Unfold the conveyor as shown in Figure 2 9 Then begin to slide the conveyor into the end of the oven The conveyor can only be installed from the end of the oven with the drive motor 2 Continue moving the conveyor into the oven until the frame protrudes equally from each end of the oven Check that the crumb tray supports located on the underside of the con veyor frame rest firmly against the lower end plugs as shown in Figure 2 10 Idler end with 3 When the conveyor is positioned properly check for free belt tension dom of movement of the conveyor belt by pulling it for about adjustment 2 3 feet 0 6 1 0m with your fingers The drive and idler Screws shafts must rotate smoothly and the belt must move freely without rubbing on the inside of the oven 4 Check the tension of the conveyor belt as shown in Figure 2 11 The belt should lift about 1 25mm DO NOT OVERTIGHTEN THE CONVEYOR BELT NOTE If necessary the belt tension can be adjusted by turning the conveyor adjustment screws located at the idler non control end of the conveyor See Figure 2 11 Drive end with drive sprocket Figure 2 10 Conveyor placement Figure 2 11 Conveyor belt tension Crumb tray support bracket End plug 5 IN Conveyor i placed in x oven x 1 25mm Er vertical
34. arts that require access to the interior of the oven may ONLY be replaced a Middleby Marshall Authorized Service Agent It is also strongly recommended that the 3 Month Maintenance and 6 Month Maintenance procedures in this section be performed ONLY by a Middleby Marshall Authorized Service Agent I MAINTENANCE DAILY Figure 4 1 Cooling Vents and Grills Check that the oven is cool and the power is disconnected as described in the warning at the beginning of this Section B Clean ALL of the cooling fan grills and vent openings with a stiff nylon brush Refer to Figure 4 1 for the locations of the grills and vents C Clean the outside of the oven with a soft cloth and mild detergent D Check that ALL cooling fans are operating properly CAUTION Vents on Ifa cooling fan is not operating correctly it must be replaced front panel IMMEDIATELY Operating the oven without adequate cooling can seriously damage the oven s internal compo nents E Clean the conveyor belts with a stiff nylon brush This is more easily accomplished by allowing the conveyor to run while you stand the exit end of the conveyor Then brush the crumbs off the conveyor as it moves Y 7 Z 7 7 Y Y Y 77 2 YY A 20 F Remove and clean the crumb trays If necessary refer to Figure 2 13 in Section 2 Installation when replacing the crumb trays into the oven G Clean the w
35. ction must comply with all applicable local national and international code requirements Check the oven serial plate before making any electric supply connections Electric supply connections must agree with data on the oven serial plate The location of the serial plate is shown in Figure 1 1 in Section 1 Description A fused disconnect switch or a main circuit breaker customer furnished MUST be installed in the electric supply line for each oven cavity Itis recommended that this circuit breaker disconnect have lockout tagout capability For CE installations the circuit breaker disconnect must have a minimum of 3mm contact separation breaking all poles of the supply The supply conductors must comply with all applicable local national and international codes Supply conductors must be insulated copper wiring 18 AWG American Wire Gauge or equivalent Additional wiring information is shown on the wiring diagrams in Section 5 Electrical Wiring Diagrams and inside the machinery compartment of the oven SECTION 2 INSTALLATION The oven requires a ground connection to the oven ground screw located in the electrical junction box The box is shown in Figure 2 14 The ground connection must comply with all applicable local national and international codes If necessary have the electrician supply the ground wire Do NOT use the wiring conduit or other piping for ground connections A Additional Information Gas Ovens
36. d installation Bottom oven cavity Assembled base pad SECTION2 INSTALLATION Figure 2 3 Leg extension and casters installation Finished sides of leg extension face corner of base pad 3 8 flat lt gt washer gt 3 8 16 x 1 hex screw 3 4 eyebolt inside corner of one rear leg extension only do not use the eyebolt Domestic and standard export ovens Lower shelf Locking casters FRONT of oven Non locking casters of oven i 3 8 flat washer Pa 3 8 lock zw r CE approved ovens 152mm adjustable 2 washer leg MUST be used for installation _ 3 8 16 x 1 hex screw Figure 2 5 Top panel installation NOTE DO NOT install top panel onto double or triple ovens until AFTER stacking the oven cavities See Part B Stacking 10x2 screws l panel SECTION2 INSTALLATION B Stacking For single ovens skip ahead to Part C Restraint Cable Installation IMPORTANT Middleby Marshall STRONGLY RECOMMENDS that PS536GS oven cavities be stacked using the following 5500 Series Stacking Lift Kit P N 30580 e 5536 Stacking Hardware Kit P N 46494 Contact your Middleby Marshall Authorized Service Agent for complete stacking instructions Figure 2 6 Stacking C Restraint Cable Installation For CE approved ovens skip ahead to Part D
37. d the power is disconnected as described in the warning at the beginning of this Section Check for excessive wear on the conveyor drive motor brushes The brushes should be replaced if they have worn to less than 1 4 6mm in length Be sure to replace the brushes in exactly the same position For gas ovens inspect and clean the burner nozzle and the spark electrode assembly Check the conveyor drive shaft bushings and spacers Replace the components if they are worn 22 Figure 4 7 Rear panel access N 2 Y 7 20 GG 7 Y EA Z Z Bearings 2 total Grease fitting 1per bearing Blower belt Blower motor Remove six 6 screws to remove rear panel Loosen four 4 screws to adjust motor position and belt tension SECTION5 PARTSLIST SECTION 5 PARTSLIST KEY SPARE PARTS ITEM QTY P N DESCRIPTION 1 1 47321 DIGITAL TEMPERATURE CONTROLLER 2 1 51067 CONVEYOR DRIVE MOTOR W PICKUP ASSY 3 2 30153 DRIVE MOTOR BRUSHES 4 1 37337 KIT CONVEYOR SPEED CONTROLER 5 1 33984 KIT THERMOCOUPLE 6 6 1 50517 BELT BLOWER 7 1 44687 MOTOR BLOWER 208 230V 1 2HP 8 1 33983 HIGH LIMIT CONTROL MODULE 240V 9 1 36451 COOLING FAN BACKWALL 10 1 97525 COOLING FAN
38. disconnect is in the on position Check that the window is closed 8 Optional Press the Tem NE Ana tee ee er Chi perature key to show AGE oer 2 Turn the BLOWER 9 BLOWER the Actual Temperature switch to the ON 1 O over tene wait iti OFF ON in the display and wait I for the ACTUAL TEMP _for light to turn on This al V lows you to monitor the oven temperature as it HN FEN MEE M LIE I NEE rises to the setpoint 3 Turn the CONVEYOR conveyor PEL PE yh To a ci switch to the ON OFF ON 9 Allowthe oven to preheat for 10 minutes after it has reached 1 position the set point temperature DAILYSHUTDOWN PROCEDURE 1 Turnthe HEAT 38 and 4 If necessary adjust the BLOWER s da a TA Y iR eae po ches to the OFF een 9 ens N 7 position Note that the RES Peers OR IG cor blowers will remain in op veyor speed controller to 5 eration untilthe oven has change the displayed cooled to below 200 F bake time 93 5 Adjust the temperature xau Or i Oma conscllertaa deered set Ties 2 Make certain that there coNvEYoR temperature if neces SHAE 9 i are no products left on sary the conveyor inside the en oven Turn the CON 22 an VEYOR switch
39. f the baking chamber Poor oven baking performance will result C Other ventilation concerns e Special locations conditions or problems may require the services of a ventilation engineer or specialist e Inadequate ventilation can inhibit oven performance It is recommended that the ventilation system and duct work be checked at prevailing intervals as specified by the hood manufacturer and or HVAC engineer or specialist Fig 2 2 Ventilation System 12 305mm 12 305mm minimum minimum 2 51mm 1 minimum 1 gt 8 203mm minimum 1 25mm minimum N ASSEMBLY A Top Panel and Base Pad Assembly 1 Install the four leg extensions onto the base pad using the 3 8 16x1 screws 3 8 flat washers and 3 8 lockwashers supplied in the Base Pad Kit See Figure 2 3 Check that the finished sides of each leg extension face OUTWARDS For domestic and standard export ovens One rear leg should be attached using three 3 8 16 x 1 screws and the 3 4 eyebolt as shown in Figure 2 3 This eyebolt acts as the anchor point for the restraint cable assembly see Part C Restraint Cable Installation 2 f your
40. for the oven is located inside the machinery compartment NOTE All aspects of the oven installation including placement utility connections and ventilation requirements must conform with any applicable local national or international codes These codes supersede the requirements and guidelines provided in this manual NOTE In the USA the oven installation must conform with local codes In the absence of local codes gas oven installations must conform with the National Fuel Gas Code ANSI 2223 1 Installed ovens must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code NEC or ANSI NFPA7O NOTE In Canada the oven installation must conform with local codes In the absence of local codes gas oven installations must conform with the Natural Gas Installation Code CAN CGA B149 1 or the Propane Gas Installation Code CAN CGA B149 2 as applicable Installed ovens must be electrically grounded accordance with local codes or in the absence of local codes with the Canadian Electrical Code CSA C22 2 NOTE In Australia the oven installation must conform with any requirements of the appropriate statutory authority Gas oven installtions must conform with AGA Codes AG311 and AG601 NOTE In CE countries all aspects of the gas supply connection must comply with current IEC CEE requirements and with all applicable local national and international codes In addition
41. igure 2 13 Check that the chain cover does not bind on the conveyor sprocket or drive shaft Install the crumb trays as shown in Figure 2 13 Press the end stop down over the edge of the conveyor frame at the exit end of the oven as shown in Figure 2 13 Figure 2 12 Conveyor and master link orientation Direction of travel CORRECT master link position Incorrect master link position Figure 2 13 Final assembly Press conveyor end stop down over edge of conveyor frame Hang chain cover on screws in control compartment wall 0 Place inside edge of tray on retainer bracket Swing outside edge of tray up and into place IV ELECTRICAL SUPPLY WARNING A Authorized supplier personnel normally accomplish the connections for the ventilation system electric supply and gas supply as arranged by the customer Following these connections the factory authorized installer can perform the initial startup of the oven NOTE The electric supply installation must satisfy the requirements of the appropriate statutory authority such as the National Electrical Code NEC ANSI NFPA70 U S A the Canadian Electrical Code CSA C22 2 the Australian Code AG601 current IEC CEE requirements CE countries or other applicable regulations NOTE All aspects of the electrical supply conne
42. indow in place Vents on rear of control Fan grills 2 on rear Vent 1 on rear compartment of oven and control of machinery door compartment compartment 19 MAINTENANCE MONTHLY Check that the oven is cool and the power is disconnected as described in the warning at the beginning of this Section Refer to Part D Conveyor Installation in the Installation section of this Manual Then remove the following compo nents from the oven Conveyor end stop Crumb trays Chain cover Drive chain End plugs Conveyor assembly Slide the air fingers and blank plates out of the oven as shown in Figure 4 2 AS EACH FINGER OR PLATE IS REMOVED WRITE A LOCATION CODE ON IT WITHA MARKER to make sure that it can be reinstalled correctly Example of markings Top Row TI T2 T3 T4 Bottom Row B1 B2 B4 Disassemble the air fingers See Figure 4 3 AS EACH FINGER IS DISASSEMBLED WRITE THE LOCATION CODE FORTHE FINGER ON ALL THREE OF ITS PIECES This will help you in correctly reassembling the air fingers CAUTION Incorrect reassembly of the air fingers will change the baking properties of the oven Clean the air finger components and the interior of the baking chamber using a vacuum cleaner and a damp cloth Referto the boxed warnings at the beginning of this Section for cleaning precautions Reassemble the air fingers Then replace them in the oven using the location code as a guide
43. ing of that system attest pressure in excess of 1 2 psi 3 45 kPa 2 The oven must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressure equal to or less than 1 2 psi 3 45 kPa 3 If incoming pressure is over 14 W C 35mbar a separate regulator MUST be installed in the line BEFORE the individual shutoff valve for the oven WARNING To prevent damage to the control valve regu lator during initial turn on of gas it is very important to open the manual shutoff valve very slowly After the initial gas turn on the manual shutoff valve must remain open except during pressure testing as outlined in the above steps or when necessary during service maintenance A Gas Utility Rough In Recommendations The following gas system specifications are STRONGLY RECOMMENDED Deviating from these recommendations may affect the baking performance of the oven Gas Meter 650 307 min meter Gas Line DEDICATED LINE from the gas meter to the oven 2 50 8mm pipe for natural gas e 1 1 2 38 1mm pipe for propane Maximum length 200 61m Each 90 elbow equals 7 2 13m of pipe B Gas Conversion Ovens are shipped from the factory configured for use with natural gas If permitted by local national and international codes the oven may be converted to propane gas operation using a Gas Conversion Ki
44. is suggested to obtain a service contract with a Middleby Marshall Authorized Service Agent WARNING POST IN A PROMINENT LOCATION THE EMERGENCY TELEPHONE NUMBER OF YOUR LOCAL GAS SUPPLIER AND INSTRUCTIONS TO BE FOLLOWED IN THE EVENT YOU SMELL GAS Instructions to be followed in the event the user smells gas shall be obtained by consulting the local gas supplier If the smell of gas is detected immediately call the emergency phone number of your local Gas Company They will have personnel and provisions available to correct the problem FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment IMPORTANT An electrical wiring diagram for the oven is located inside the machinery compartment IMPORTANT It is the customer s responsibility to report any concealed or non concealed damage to the freight company Retain all shipping materials until it is certain that the equipment has not suffered concealed shipping damage NOTICE CONTACT YOUR MIDDLEBY MARSHALL AUTHORIZED SERVICE AGENT TO PERFORM MAINTENANCE AND REPAIRS AN AUTHORIZED SERVICE AGENCY DIRECTORY IS SUPPLIED WITH YOUR OVEN NOTICE Using any parts other than genui
45. moving the oven to the installation location Casters are NOT suitable for use as part of CE oven installations Refer to the notice on the preceding page 7 4 4 4 22450 0028 No Yes Leg adjustable 6 152mm 8 1 1 1 21392 0004 Yes No Eyebolt 3 4 9 220373 Yes Yes Hex bolt 3 8 16 x 1 NOTE CE approved ovens include 32 hex bolts Domestic and standard export ovens include 31 hex bolts and one eyebolt item 8 that acts as an anchor for the restraint cable Item 12 CE ovens mounted on legs Item 7 and do not use a restraint cable 10 32 32 32 21416 0001 Yes Yes Flat washer 3 8 11 32 32 32 21422 0001 Yes Yes Lockwasher 3 8 12 1 1 1 22450 0228 Yes No Restraint cable assembly 13 1 2 3 22361 0001 Yes No Gas hose 3 4 to 1 2 Gas hose reducer included with gas hose 14 1 1 1 50236 Yes Yes Owner s Operating and Installation Manual 15 1 1 1 1002040 Yes Yes Authorized Service Agency Listing 16 1 1 46393 Lower shelf SECTION2 INSTALLATION ll VENTILATION SYSTEM IMPORTANT Where national or local codes require the installation of fire suppression equip ment or other supplementary equipment DO NOT mount the equipment directly to the oven MOUNTING SUCH EQUIPMENT ON THE OVEN MAY VOID AGENCY CERTIFICATIONS RESTRICT SERVICE ACCESS LEAD TO INCREASED SERVICE PENSES FOR THE OWNER A Requirements CAUTION Gas oven installations
46. n 208 240V 50 60 Hz 1 Ph 06 06 N d 138V1 GM 31ON INVA ZYLZE N d JO JNYN OL SLO3NNOO 31naoN IMYA ONLIVINION gt lt 2 44 5 5 HOLINOI 1AMP 4 ale E 2 5 aaiioads ASIMYSHLO 55 SMV 81 38 AINO 1138 1195 SNOLYOOT F1VW34 17818 SE EAS OL S3HIM TIY 31ON Ont gt 90 HM Lvl 0 052 z u gzz TOHLNOI TOULNOI rm rm aaads 09945 w w YOLOW YOLOW E MOX3ANOO OINH3HL IS ZU eN S HOLIMS S uiv vse HOLIMS HOLON 252 Ble 822 9 n 6 191 6 est 8 2 L L est 6 ex Ave noez CH VASZ UNIX 510 Y vee UNIX 611 LSL sm ANNONS OL HOLIMS 9SH HOLIMS TYLINO 1NHJ H7 auo ZH 09 09 E 0 806 201 Yale 41 NOTES NOTES WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment NOTICE During the warranty period ALL parts replacement and servici
47. ne Middleby Marshall factory manufactured parts relieves the manufacturer of all warranty and liability NOTICE Middleby Marshall Manufacturer reserves the right to change specifications at any time NOTICE The equipment warranty is not valid unless the oven is installed started and demonstrated under the supervision of a factory certified installer Retain This Manual For Future Reference Middleby Cooking Systems Group 1400 Toastmaster Drive Elgin IL 60120 USA 847 741 3300 FAX 847 741 4406 24 Hour Service Hotline 1 800 238 8444 Middleby Customer Care Center 1 800 630 6559 www middleb y com SECTION 1 DESCRIPTION 4 l OVEN USES iiu a Ree heec ds 4 OVEN COMPONENTS 4 en 4 B Conveyor End Stop 4 C Bye brows need denna 4 D End e 4 E Control Panel dens 4 F Machinery Compartment and Control Compartment Doors 4 Serial Plate ee 4 Conveyor Drive Motor 4 Pans z uu aun eto tutes 4 J CONVEYOR ia SU di p oed 4 Gas Burner 4 Es BIO WEIS a 4 Air Fingers 4 Ill OWEN SPECIFICATIONS
48. ng should be performed by your Middleby Marshall Authorized Service Agent Service that is performed by parties other than your Middleby Marshall Authorized Service Agent may void your warranty NOTICE Using any parts other than genuine Middleby Marshall factory manufactured parts relieves the manufacturer of all warranty and liability NOTICE Middleby Marshall reserves the right to change specifications at any time CFESA Commercial Food Equipment Service Association Middleby is proud to support the Commercial Food Equipment Service Association CFESA We recognize and applaud CFESA s ongoing efforts to improve the quality of technical service in the industry Middleby Cooking Systems Group 1400 Toastmaster Drive Elgin IL 60120 USA 847 741 3300 FAX 847 741 4406 24 Hour Service Hotline 1 800 238 8444 www middleby com 757 lt THE MIDDLEBY CORPORATION
49. pare the measured supply inlet pressure to the nominal pressures shown in Table 1 5 in the Description section of this Manual If the supply pressure is lower or higher than the nominal pressure the reason should be investigated and the gas supplier contacted For natural gas ovens if the measured supply pressure is lower than 0 247psi or higher than 0 363psi contact the gas supplier DO NOT OPERATE THE OVEN or adjust the oven controls 2 Adjusting the Orifice Manifold Pressure and Heat Input To use the orifice pressure method you must know the specific gas type and quality used If using the orifice pressure method you should double check the input using the volumetric method To use the volumetric method you must know the heat value HuB of the gas used This information is available from your gas supplier During these measurements do not operate any other appliances that use the same gas meter as the oven a Orifice Manifold Pressure Method 1 With the main gas supply valve closed and the circuit breaker fused disconnect in the OFF O position open the manifold pressure tap shown in Figure 2 16 and attach a manometer to the tap 2 Remove the cap screw from the pressure adjustment screw governor on the gas control valve 3 Depress the safety switches to allow the oven to operate 4 Open the main gas supply valve Switch the circuit breaker fused disconnect to the ON 1 position 5 Startthe
50. r these convey ors remove the two screws that hold the bracket to the conveyor frame With the screws removed lift the end of the shaft at the front of the oven and pull the entire assembly free of the conveyor frame The brackets will be removed along with the drive shaft assembly Disassemble and lubricate the two sections of the drive shaft as described for the idler shaft above Before reassembling the shafts into the conveyor frame check that they are oriented properly Reassemble the drive shaft into the conveyor Make sure that the bronze washer is in place between the two sections of the shaft See Figure 4 6 Replace the drive sprockets Reassemble the belts and master links onto the conveyor Reinstall the end plugs and conveyor onto the oven Reattach the drive chains Replace the chain cover Check the tension of the conveyor belt as shown in Figure 2 11 in Section 2 Installation The belt should lift about 1 25mm If necessary adjust the belt tension by turning the conveyor adjustment screws Replace all components onto the oven 21 Figure 4 4 Disassembling the idler shaft Disassemble clean and lubricate shafts N Bronze O 5 washer E p 4 9 583 222 assembly adjustment screws Figure 4 5 Drive shaft configurations Flangebearing used with high speed conveyors Bronze bushing with spacer used with Figure 4 6 Disassembling the
51. rial that drop through the conveyor belt One crumb pan is located underneath each end of the conveyor OVEN SPECIFICATIONS Table 1 1 Dimensions J Conveyor Moves the food product through the oven Not Shown Gas Burner Heats air which is then projected to the air fingers by the blowers L Blowers Fans that project hot air from the gas burner to the air fingers M Air Fingers Project streams of hot air onto the food product Fig 1 1 Oven Components Overall Height single oven with 17 1 2 446mm legs triple oven with 6 152mm legs 71 1808mm Overall Depth 46 1168mm Overall Length with standard 60 1524mm conveyor 61 1549mm Baking Chamber Length 36 914mm Conveyor Width Single Belt Split Belt 20 508mm __ 2 x 9 1 2 241mm Conveyor Length 56 1422mm 60 1524mm 76 1930mm Recommended Minimum Clearances Rear of oven to wall Non control end of oven to wall 3 76mm Table 1 2 General specifications per oven cavity Weight 400 Ibs 182kg Rated Heat Input Natural gas ovens Propane ovens 70 000 BTU 17 638 kcal 20 51 kW hr Maximum Operating Temperature 550 F 288 C Warmup Time 25 minutes SECTION 1 DESCRIPTION Table 1 3 Electrical specifications for gas ovens per oven cavity Main Blower Control Current Voltage Circuit Voltage Phase Freq Dra
52. t screw as necessary to match the calculated volume using the time in minutes of 0 1m of gas usage Turning the adjustment screw clockwise increases the flow while turning it counterclockwise reduces the flow 8 Record the reading obtained from the gas meter and calculate the obtained gas flow Compare this value to the information in Tables 1 4 and 1 5 in the Description section of this Manual 9 Switch the oven off Close the main gas supply valve and switch the circuit breaker fused disconnect to the OFF O position Replace the cap screw onto the gas control valve Figure 2 16 Gas Control Valve m an Co ED aN lt y Manifold p pressure tap where regulated gas pressure is measured Pressure adjustment screw under cap SECTION 3 OPERATION TEMPERATURE V Middleby B 77248 Marshall HEAT ON E LILEI Qserer E eed iiid em ocn ACTUAL TEMP E SP LOCK OVER TEMP V J FRONT BACK MIN SEC MIN SEC D MIN SEC MIN SEC 5 00 5 00 near ON OFF ON B N N E N conveyor OFF ON
53. t that is supplied with the oven Gas orifice sizes supplied with the Kit match those shown in Tables 1 4 and 1 5 in the Description section of this Manual Where permitted by local and national codes it is possible to convert ovens from natural to propane gas or from propane to natural gas after the oven has been installed Gas Conversion Kits are available from Middleby Marshall for this purpose Connection WARNING Some procedures in this section may require conver sions readjustments or service on the oven s gas system Before performing these procedures check that the main gas supply valve and the circuit breaker fused discon nect are in the OFF O position After completing these procedures perform a gas leak test before operating the oven CAUTION The terms of the oven s warranty require all start ups conver sions and service work to be performed by a Middleby Marshall Authorized Service Agent The installation start up and changes required when changing from one gas type to another can be performed ONLY by a certified professional 14 NOTE Certain safety code requirements exist for the installation of gas ovens refer to the beginning of Section 2 for a list of the installation standards In addition In the USA the installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 In Canada the installation must conform with local codes or in
54. to the OFF position forthe to turn on 3 Open the window to allow the oven to cool faster Press the Up Arrow and Down Arrow 252 4 After the oven has cooled and the blowers have turned off Keys as necessary 5006 ger switch the circuit breaker fused disconnect to the off posi to adjust the set Sa tion point x IMPORTANT On gas ovens if the HEAT light will not illuminate OR Sate 3 if the oven does not heat the gas burner may not have lit 6 Turn the HEAT 85 y HEAT Turn the HEAT 382 BLOWER W and CONVEYOR switch to the ON I OFF ON gt switches to the OFF position Wait for AT position and wait for the LEAST FIVE MINUTES before restarting the Then light to turn repeat the Daily Startup procedure on CAUTION In case of power failure turn all switches to the OFF Sma wait position open the oven window and remove the product for After the power has been restored perform the normal x startup procedure IF THE OVEN WAS SWITCHED OFF 3 HEAT ON FORLESS THAN 5MINUTES WAIT FORATLEAST FIVE MINUTES BEFORE RESTARTING THE OVEN The burner willnotoperate and gas willnotflowthrough the burner without electric power No attempt should be made to operate the oven during a power failure
55. w Poles Wires 208 240V 120V conv speed control 1Ph 50 60 Hz 6A 2 Pole 3 Wire 2 hot 1 gnd amp drive motor all others as per line 208 240V The current draw shown above is an average value for normal operation The initial amperage draw on oven startup may exceed the listed value Table 1 4 Gas orifice and pressure specifications per oven cavity Domestic and standard export ovens Orifice Manifold Gas Type Main Orifice Bypass Orifice I D Supply Inlet Pressure Pressure Natural 0 0935 2 3749mm 42 drill 0 0810 2 0574mm 46 drill 6 12 W C 14 9 29 9mbar 4 0 W C 9 93mbar Propane 0 081 2 0574mm 46 drill 0 052 1 3208mm 55 drill 11 14 W C 27 4 34 9mbar 10 5 W C 26 15mbar The gas supply pressures and orifice sizes shown are for ovens installed in North America The required gas supply pressures and orifice sizes of ovens installed in other locations are dependent on the local gas type and on all applicable local codes Table 1 5 Gas orifice and pressure specifications per oven cavity CE ovens Supply Inlet Pressure IT PT ES SE Main UK CH IT AT SE CH AT DK BE IE IT PT Orifice Rated Gas Orifice DK FI NL DE BE FR FI DE NL ES UK Manifold Heat Type dia I Le Le T5 5 I Pressure Input G20 2 3749 20 20 20 11 21 22 36 sey eet _____ ___________ ____ ___________________ _ kW hr _ 25 2 3749
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