A MIDDLEBY COMPANY Middleby Marshall Red Lobster operating & installation manual MIDDLEBY SERIES PS200-R68 OVENS Middleby Marshall Middleby Marshall NSF ® ©1995 Middleby Marshall Inc. Part No. 31349 Price $15.
Model No._________________Serial No.______________________________Installation Date_______________ MIDDLEBY MARSHALL INC. NO QUIBBLE LIMITED WARRANTY (U.S.A. ONLY) MIDDLEBY MARSHALL, HEREINAFTER REFERRED TO AS THE SELLER, WARRANTS EQUIPMENT MANUFACTURED BY IT TO BE FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP FOR WHICH IT IS RESPONSIBLE.
This Manual Must Be Kept For Future Reference 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.
TABLE OF CONTENTS Page SECTION 1 - DESCRIPTION I. MODEL IDENTIFICATION ................................................................................................. 1 OVEN SPECIFICATION CHART .......................................................................................... 2 ELECTRICAL SPECIFICATION CHART ............................................................................... 3 II. PRINCIPLE OF AIR FLOW ....................................................................................
TABLE OF CONTENTS Continued SECTION 4 - MAINTENANCE I. MAINTENANCE - DAILY .................................................................................................. 35 A. Exterior .................................................................................................................. 35 B. Cooling Fan ............................................................................................................. 35 C. Crumb Pans ...............................................................
NOTES
SECTION 1 DESCRIPTION SECTION 1 DESCRIPTION The ovens in a double oven operate completely independent of one another. Both ovens use identical controls and components. One can be serviced while the other is operating. I. MODEL IDENTIFICATION The Middleby™ Series PS200-R68 Ovens may be used singly or stacked for use as double ovens. The Series PS200-R68 Ovens can be ordered with the conveyor drive at either the right end or left end of the oven. Each oven is equipped with a remote control box.
Conveyor Belt Width 32"(813mm) 32"(813mm) 24"(610mm) 24"(610mm) 20"(508mm) 20"(508mm) Heating Zone Length 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) Baking Area Square Feet 9 sq.ft.(0.84sq.m.) 9 sq.ft.(0.84sq.m.) 6.4 sq.ft.(0.59sq.m.) 6.4 sq.ft.(0.59sq.m.) 5.5 sq.ft.(0.51sq.m.) 5.5 sq.ft.(0.51sq.m.
SECTION 1 DESCRIPTION SERIES PS200-R68 ELECTRICAL SPECIFICATIONS GAS HEATED OVENS Main Blower & Elements Voltage Control Circuit Voltage Phase Frequency Amperage Draw Poles Wires 208-240V 120V 1 Ph 50/60 Hz 4.1 Amp 3 Pole 208V Export 200V Export 220-240V Export 120V Transformer 120V Transformer 120V Transformer 1 Ph 50/60 Hz 4.1 Amp 2 Pole 1 Ph 50/60 Hz 4.1 Amp 2 Pole 1 Ph 50/60 Hz 4.
SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW inside of the Middleby Series PS200-R68 Oven is light in color to reflect more heat back to the product. Air is heated and then pulled through the fan which pushes the air into the oven plenum and delivers heated air into the air fingers. The fingers contain an inner plate and outer plate which columnate the air and evenly distribute heated air across the conveyor belt on which the product rides.
SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW Continued Manifold Baffle Air Flow From Plenum Chamber Inner Plate Manifold Outer Plate High Velocity Columns of Air to Product Air Flow From Plenum Chamber Manifold Baffle Inner Plate Outer Plate Manifold Figure 1-3. Air Fingers Showing Air Passing Through Inner Plate And Outer Plate Which Forms High Velocity Columns Of Air To The Product. B.
SECTION 1 DESCRIPTION Removable Jet Fingers (Inside Oven) Control Boxes Conveyor Rear Stop Machinery Compartment Conveyor Motor Cooling Fan Conveyor End Stop Front Window Middleby Marshall Middleby Marshall Removable Drip Pans (Inside Oven) Removable End Plugs Removable Crumb Pans Locking Casters (Rear Casters are not locking casters) Figure 1-4.
SECTION 1 DESCRIPTION Should a flame outage occur the control will close the main gas control valve within 0.8 seconds and attempt to reignite the pilot. III. COMPONENT FUNCTION A. Conveyor The conveyor is driven by a variable speed electric motor operating through a gear reducer (See Figure 1-5). The motor speed is controlled by a digital control. The stainless steel wire belt can travel in either direction and at variable speeds from 3 minutes to 23 minutes. Conveyor Drive Motor D.
SECTION 1 DESCRIPTION G. Air Fingers manifold with its holes lined up with outer plate holes. The Air Finger Assemblies are made up of three parts as follows (See Figure 1-7): The inner plate is also manufactured with no rows of holes. This type of finger is a non-columnating air finger. 1. Outer Plate - The Outer Plate is the removable cover with tapered holes, which directs the air stream onto the product to be baked. 3.
SECTION 2 INSTALLATION SECTION 2 INSTALLATION NOTE: For U.S. installations the installation must conform with local codes or in absence of local codes, with ANSI Z223.1-latest edition and electrical code ANSI/NFPA No. 70-latest edition. NOTE: For Canadian Installations - The installation should be done in accordance with the CAN 1-B149.1 or .2 installation code and/or local code and the Canadian electrical code, Part 1, CGA C22.1 for the electrical features. I.
SECTION 2 INSTALLATION PS200-R68 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT KITS AND EQUIPMENT TYPE OF INSTALLATION PS200-R68 Single Gas Oven PS200-R68 Single Electric Oven PS200-R68 Double Gas Oven PS200-R68 Double Electric Oven PS200-R68 Gas Oven Installation Kit P/N 31350 1 PS200-R68 Electric Oven Installation Kit P/N 31514 PS200-R68 Single Oven Option Kit P/N 49025-0007 PS200-R68 Double Oven Option Kit P/N 31361 1 1 1 2 1 1 2 PS220-R68 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PS220-R6
SECTION 2 INSTALLATION PARTS LIST FOR SERIES PS200-R68 GAS OVEN INSTALLATION KIT PS200-R68, P/N 31350 PS220-R68, P/N 31352 PS224-R68, P/N 31351 (Two required for double oven) ITEM NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 QTY 1 1 1 1 1 1 1 1 1 1 1 1 1 PS200-R68 PART NO. 22361-0005 23115-0010 31006 30830 30796 88910-0008 1002040 33900-0032 42400-0089 23125-0002 23153-0005 31315 31238 PS220-R68 PART NO.
SECTION 2 INSTALLATION PARTS LIST FOR SERIES PS200-R68 SINGLE OVEN OPTION KIT PS200-R68, P/N 31360 PS220-R68, P/N 30752 PS224-R68, P/N 49025-0016 ITEM QTY NO. 1 1 2 4 3 2 4 2 5 32 6 32 7 32 8 4 9 32 10 1 13 1 14 1 15 1 16 2 17 1 Not shown 1 PS200-R68 PART NO. 35900-0055 37900-0102 22290-0009 22290-0010 A11039 21416-0001 220373 21256-0008 21296-0005 22450-0228 31319 31320 32116 21516-0001 32227 32023 PS220-R68 PART NO.
SECTION 2 INSTALLATION 1 GAS OVEN: Gas Inlet ELECTRIC OVEN: Conduit for Electrical Connection 2 NOTE: The Model PS200-R68 Series ovens are manufactured with the conveyor drive at either the right or left end of the oven.
SECTION 2 INSTALLATION II. CONTROL BOX AND CABLE INSTALLATION CAUTION: When attaching cables turn the circuit breakers off. A. Install the control boxes, wireway and cables as shown in Figure 2-5. B. Install the "UPPER" and "LOWER" labels as shown. "UPPER" label "LOWER" label Wireway Figure 2-4.
SECTION 2 INSTALLATION III. FLUE VENT INSTALLATION A. Install the flue vent: (Gas oven only) IV. RESTRAINT CABLE INSTALLATION Install the restraint cable assembly on the oven as shown in Figure 2-7. NOTE: On a single oven the flue is factory mounted. Flue Fan Flue Fan 3/4" (19mm) Rear View Restraint Cable Assembly Rear View Figure 2-5. Single Oven Flue Installation B. On a double oven install the flue extension and flue offset by sliding it down over the lower flue.
SECTION 2 INSTALLATION GAS OVEN ROUGH-IN UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS200-R68 SERIES OVENS CAUTION IT IS REQUIRED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION. 5 ON 6 GAS SUPPLY & ELECTRICAL SUPPLY To Oven OFF PROVIDED BY CUSTOMER DO NOT USE CONDUIT FOR GROUND ON CIRCUIT BREAKER 15 Amp circuit breaker with lockout/tagout electrical shutoff for each cavity. Wire each cavity separately. To Oven MINIMUM GAS METER RATING 450 Cu.Ft.
SECTION 2 INSTALLATION ELECTRIC OVEN ROUGH-IN UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS200-R68 SERIES OVENS CAUTION IT IS REQUIRED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION. ELECTRICAL SUPPLY ON 6 PROVIDED BY CUSTOMER To Oven DO NOT USE CONDUIT FOR GROUND CIRCUIT BREAKER Separate circuit breaker with lockout/ tagout electrical shutoff for each cavity. Wire each cavity separately.
SECTION 2 INSTALLATION V. VENTILATION GUIDELINES A mechanically driven ventilation system is required for the PS200-R68 Series Middleby Marshall conveyorized gas ovens. The minimum hood canopy dimensions are outlined below. Local codes and conditions vary greatly from one area to another and must be complied with. These are the “Authority having jurisdiction” as stated by the National Fire Protection Association, Inc. in NFPA 96-latest edition. Following are the suggested requirements for good ventilation.
SECTION 2 INSTALLATION VI. ELECTRIC SUPPLY FOR GAS HEATED OVENS Electric supply for all gas heated ovens is 208-240 volts AC single phase. Each oven requires a separate 15 amp service. Connection is made as shown in Figures 2-8 & 2-12. A separate ground wire must also be supplied. CAUTION: Before connecting incoming power to oven, a voltage reading of each leg to neutral must be made. These readings should not normally exceed 120 volts each.
SECTION 2 INSTALLATION VIII. ELECTRIC SUPPLY FOR ELECTRICALLY HEATED OVENS Be sure wire size is adequate to handle amperage draw listed on data tag. Use Copper Wire Only. Electrically heated ovens are available in 208 or 240 volts, 5 wire, 3 phase only. They are pre-wired at the factory and only one common connection is necessary. Minimum Supply Conductor ampacity -- 95 Amps Per Unit. A standard oven is a 5 wire system (3 hot, 1 neut, 1 grd), it will not have a stepdown transformer.
SECTION 2 INSTALLATION CAUTION DO NOT CONNECT BLACK LEAD TO HIGH LEG BLACK AND WHITE MUST BE 120 VAC High Leg Warning tag located on cover of electrical connection box of gas heated ovens. IX. GAS SUPPLY FOR GAS HEATED OVENS Check identification plate located on machinery compartment (see Figure 2-11) to determine type of gas (Propane or Natural) to be used with the oven.
SECTION 2 INSTALLATION CAUTION DURING PRESSURE TESTING NOTE THE FOLLOWING: 1. The oven and its individual manual shutoff valve 3. If incoming w.c. pressure is over 14" w.c. a (located at the left rear of the oven) must be disconseparate regulator must be installed before the nected from the gas supply piping system during any 3/4"manual gas shutoff valve located at the rear pressure testing of that system at test pressure in outside of the oven. excess of 1/2 psig (3.45 kPA).
SECTION 2 INSTALLATION It is possible to convert ovens from natural gas to propane and back. Call your local authorized factory service agent to perform the conversion. NOTE: In Canada to conform with CAN/CGA-B149.2 Propane Installation Code the oven must be ordered Propane, it may not be converted in the field. Outlet Pressure Tap Burner Blower Air Adjustment Plate On/Off KnobAlways Leave In On Position Manual Shutoff Valve Gas Cock located below machinery compartment Figure 2-13.
SECTION 2 INSTALLATION NOTES: 24
SECTION 3 OPERATION SECTION 3 OPERATION I. CONTROLS AND COMPONENTS Temperature Controller Conveyor Speed Control Upper Oven Control Box Lower Oven Control Box Blower Switch Conveyor Switch Heat Switch Figure 3-1.
SECTION 3 OPERATION II. COMPONENT INFORMATION AND LOCATION Blower Fan Motor Conveyor Speed Control Door Safety Switch Figure 3-2 A. Door Safety Switch The Door Safety Switch is located at upper left hand side of control cabinet. Opening the control cabinet door will permit the switch to open, disconnecting power to all electrical controls. CAUTION: DO NOT TOUCH WIRES GOING TO THIS SWITCH AS CURRENT IS ALWAYS PRESENT. oven purge circuit after approximately 30 seconds the pilot will light.
SECTION 3 OPERATION F. Conveyor 1 1 : 1 The conveyor switch is on the control box. Also on the control box is the digital control for the conveyor speed. The digital control can be adjusted from 2 minutes 40 seconds to 29 minutes 50 0 Figure 3-3. Conveyor Speed Digital Control seconds bake time (conveyor speed). Refer to Figure 3-3. Conveyor speed is measured by the amount of time it takes for an item to go through the bake chamber of the oven. MEASURING CONVEYOR SPEED.
SECTION 3 OPERATION II. OPERATION 4. The temperature controller should be set at your A. Start Up Procedures -- Gas Heated Ovens desired baking temperature. See section on bake times to determine desired temperature. Initial Start Up NOTE: For complete temperature controller operation instructions refer to Step B. 1. Check that manual gas shutoff valve is on. Valve is located below machinery compartment. See Figure 2-12. Daily Start Up 1. Turn blower switch to the on (I) position.
SECTION 3 OPERATION Middleby Marshall ALM HEAT 1 351 F SET PT MIN SEC FUNCTION DISPLAY RESET SET UP Temperature Controller Conveyor Speed Control Lower Left Blank ˚C MIN MIN SEC SEC 0 0 00 I O I O I O RESET FUNCTION DISPLAY SETUP Blower Switch Conveyor Switch Heat Switch Figure 3-6.
SECTION 3 OPERATION B. Temperature Controller Operation Instructions 1. UNLOCKING SET POINT. The temperature controller set point must be 450°F (232.2°C) for the upper oven and 350°F (176.7°C) for the lower oven. To raise or lower the set point on a Red Lobster oven the set point must first be unlocked by pressing the Lower Left Blank and the Lower Right Blank keys simultaneously. The set point will remain unlocked for 60 seconds or until the DISPLAY key is pressed. Middleby Marshall a.
SECTION 3 OPERATION 3. Display Messages Middleby Marshall a. ALM - The ALM window will display either a “1” or “2” or will be blank. ALM HEAT 1 AA. Refer to Figure 3-9. The “1” signals that the oven temperature is above 650°F (343°C) and therefore the high limit feature has been activated. The burner will then shut off and the oven will not function until the temperature cools down below 650°F (343°C). 651 F SET PT FUNCTION DISPLAY RESET SET UP Figure 3-9 BB. Refer to Figure 3-10.
SECTION 3 OPERATION c. FAILSF (Failsafe) Middleby Marshall AA. Refer to Figure 3-12. If the oven does not reach 200°F (93°C) in 15 minutes the temperature controller will shut off the high flame valve and begin flashing “FAILSF” and “SET PT” alternately. You will also note that the “2” in the ALM window stays on but the “1” in the HEAT window turns off. This condition signals a problem in oven heating or heat sensing. HEAT BB. To reset the temperature controller, turn off the oven blower switch.
SECTION 3 OPERATION D. Shut Down (Gas or Electric Ovens) 1. Turn "OFF" heat switch and blower switch. CAUTION: Blower fan and conveyor will remain on. 2. Open front window. 3. Do not turn off conveyor switch. The conveyor and blower fan will automatically shut off when temperature goes below 180°F (82°C) The conveyor switch is used only for emergency shut down of conveyor.
SECTION 3 OPERATION NOTES: 34
SECTION 4 MAINTENANCE SECTION 4 MAINTENANCE I. MAINTENANCE - DAILY A. Exterior Cooling Fan Grill The exterior of the conveyor oven must be cleaned daily. While the oven is still hot dampen a towel or grill pad with plain water or detergent and water and wipe down entire exterior of oven including the back and fan covers. Grease can build up on the top of the oven openings and the area above the windows. If this buildup does not steam off with a damp towel dip the towel in filter powder and rub lightly.
SECTION 4 MAINTENANCE C. Crumb Pans Remove the crumb pan(s) at both ends of the oven. Crumb pans are removed by sliding out as shown in Figure 4-2. Wash the crumb pans in the pot sink. Figure 4-2. CAUTION Possibility of injury from rotating parts and electrical shock exist in this oven. Turn off and lockout or tagout electrical supply to oven(s) before attempting to disassemble, clean or service oven(s). Never disassemble or clean the oven with the fan switch or any other part of the oven turned "on". II.
SECTION 4 MAINTENANCE 3. Remove conveyor drive chain cover as shown. Figure 4-4. 4. Remove tension from drive chain by lifting and pushing the conveyor slightly into the oven. Remove drive chain from conveyor drive sprocket as shown. Figure 4-5. 5. While one person pulls the conveyor out from the drive end of the oven the second person should lift the far end (opposite end) of conveyor until crumb tray slide is clear.
SECTION 4 MAINTENANCE B. Oven interior disassembly. 1. Slide blank plates straight out. There is a blank plate located at each end of the row of top fingers. 2. Remove air fingers. There are four bottom air fingers with 6 rows of holes and 2 top air fingers with 3 rows of holes. You can remove top and bottom fingers and blank plates from each or either end. Figure 4-7. 3.Remove the air fingers by pulling the fingers at the back side and pulling straight out.
SECTION 4 MAINTENANCE C. Window disassembly for cleaning. 1. Remove the window by opening it and unscrewing the window knobs from each end. Place the window knobs on top of the oven in a cup so they can be easily found the next day. Figure 4-10. 2. Push the window all the way inside the oven, making sure it is clear of the frame. Now, turn the window sideways while inside the oven and then remove it. This will avoid window breakage. Figure 4-11. Folded Conveyor D. Loading the soak bin. 1.
SECTION 4 MAINTENANCE End Plugs b. Place the end plugs in the soak bin as shown in Figure 4-13. Then place the fingers in the soak bin by placing the slanted sides of the fingers together to conserve space as shown in Figure 4-13. Fingers Figure 4-13. 3. Repeat Steps a and b for the second oven. Refer to Figure 4-14. Figure 4-14.
SECTION 4 MAINTENANCE Windows (Blank plates placed under windows) 4. Place the drip pans from both ovens on top of the fingers, then the blank plates and last place the windows on the drip pans so they will not be damaged. Refer to Figure 415. 5. Allow to soak overnight. Drip Pans Figure 4-15. E. Cleaning parts that were soaked overnight. Cleaning takes 2 people. One to clean the oven and one to clean the parts.
SECTION 4 MAINTENANCE 4. Cleaning fingers. WARNING: Clean one finger at a time. Only one finger at a time should be disassembled because the parts of the fingers are not interchangeable. a. Finger assemblies are made up of an outer plate, inner plate and finger manifold as shown in Figure 4-16. b. When cleaning finger assemblies check one assembly at a time to see if the inner plate needs scrubbing.
SECTION 4 MAINTENANCE c. Place fingers in an upright position to remove the outer plate. Gently step on the lip of the finger and pull the outer plate off. Figure 4-17. d. To remove the inner plate, pull plate out and then up. e. Scrub the parts using the black pad if necessary and then run the parts through the dish machine and dry thoroughly. Spray the finger parts with Kote. f. Figure 4-18. Reassemble the inner plate, keep your fingers clear so you won't pinch them.
SECTION 4 MAINTENANCE 3. Clean the oven exterior as needed and dry the oven inside and out. 4. Spray all interior surfaces, except the fan area, with Kote. Cover all areas well. Refer to Figure 4-20. Be sure the oven is dry before spraying. Kote does not work well on wet surfaces. A thorough spraying with Kote is your best tool for easy cleaning because it prevents grease splatters from baking on.
SECTION 4 MAINTENANCE 2. Reassemble bottom fingers into oven first by pushing in on their back side. Refer to Figure 4-16 for correct finger position in oven. IMPORTANT: Only M6 fingers fit in the bottom row. All M3 finger cover plates have extended lips at front. This extended lip will not allow these fingers to be installed in the bottom row. a. IMPORTANT: When inserting fingers the tab on the outer plate must be in the groove as shown in the illustration.
SECTION 4 MAINTENANCE Top Finger b. Install fingers and blank plates correctly with edges interlocked. There must be be no opening between edges of filler plates. Refer to Figure 4-23. IncorrectToo Much Space Blank Plate Tab To Rest End Plug On Tab on Outer Plate of Finger Located in Groove Top Finger Blocking Tab IncorrectToo Much Space Blank Plate Tab To Rest End Plug On Tab on Outer Plate of Finger Located in Groove Blocking Tab Figure 4-23.
SECTION 4 MAINTENANCE 3. Reassemble lower end plugs to both ends of oven. Refer to Figure 4-24. Notice that the lower end plugs have a notch in them. Position the lower end plugs against the oven and then up into place. Use the wing nuts to secure the end plugs to the oven. Upper End Plug Gear Chain Cover Removable Crumb Pans Lower End Plug Notch in Lower End Plug Figure 4-24. 4. Reassemble top fingers and blank plates into oven. Refer to Figure 4-16, 4-22 & 4-23. 5.
SECTION 4 MAINTENANCE b. Attach drive chain by lifting conveyor and attaching drive chain to conveyor drive sprocket. Figure 4-26. c. The angle plate located on the underside of the conveyor must be against the lower end plug. This is true on both ends of oven. Figure 4-27. d. Reassemble conveyor drive chain cover. Figure 4-28.
SECTION 4 MAINTENANCE e. Checking conveyor belt tension. NOTE: Oven conveyor belt must be cool when adjusting belt. Do not adjust belt if HOT. AA. With the conveyor assembly in the oven, stand at one end of conveyor and check tension by lifting the conveyor belt at the center of the oven chamber opening. The belt should not lift higher than 3 to 4 inches (76mm to 102mm). BB. Adjust conveyor chain tension screws (located on left end of oven) for the 3" to 4" deflection shown in the photo. CC.
SECTION 4 MAINTENANCE III. MAINTENANCE - EVERY 3 MONTHS NOTE: It is recommended that the 3 Month Maintenance schedule be performed by an Authorized Middleby Marshall Service Agent. CAUTION: All electrical power should be shut OFF and locked out or tagged out before attempting maintenance in steps "A" thru "D". A. Cleaning fan motor NOTE: It is recommended that step "A" thru "D" be performed by an authorized Middleby Marshall Service Agent.
SECTION 4 MAINTENANCE Remove 2 Screws C. Checking and/or replacing main blower fan belt 1. Check the main blower fan belt for proper tension and wear. To gain access you must remove the two (2) screws on the bottom lip of rear shroud along with the two (2) screws on the cooling fan guard plate. Figure 4-32. 2. The fan belt should have no less than 1" deflection at the center and have no cracks or excessive wear. A spare belt is located inside the machinery compartment.
SECTION 4 MAINTENANCE 3. If belt is loose or to replace belt loosen the tension locking bolts on the motor mounting bracket. Next pull back on the motor, do not over tighten or fan bearings may be damaged. Retighten locking bolts. Figure 4-34. D. Main Blower Fan Shaft Bearing Lubrication Grease the 2 main blower fan shaft bearings using a special high temperature grease (MM P/N 171100015 Lithium base higher temperature grease). ONLY ONE PUMP of grease gun in each bearing is required.
SECTION 4 MAINTENANCE IV. MAINTENANCE - EVERY 6 MONTHS NOTE: It is recommended that the 6 Month Maintenance schedule be performed by an Authorized Middleby Marshall Service Agent. CAUTION: All electrical power should be shut OFF and locked out or tagged out before attempting maintenance in steps "A" thru "C". A. Check brushes on D.C. conveyor motor, when worn to less than 3/32" (2.2mm) replace. B. Burner nozzle and electrode assembly should be cleaned and inspected. Also check your oven venting system.
SECTION 4 MAINTENANCE NOTES: 54
SECTION 5 TROUBLESHOOTING SECTION 5 TROUBLESHOOTING PROBLEM PRODUCTS OVERCOOKED OR UNDERCOOKED Check for correct setting of conveyor speed control. Check set temperature on temperature controller. Set conveyor speed control at correct setting. Refer to Operation Section for procedure to set temperature correctly. Verify food preparation process. If products still cook incorrectly call your local Middleby Marshall Service Agency.
SECTION 5 TROUBLESHOOTING PROBLEM OVEN WILL NOT HEAT Check to see if both blower switch and heat switch are in the "I" (on) position If still no heat call your local Middleby Marshall Service Company. PROBLEM OVEN BLOWER AND CONVEYOR OPERATE BUT THE OVEN IS NOT HEATING If the oven does not reach 200°F (93°C) within 15 minutes the temperature controller will flash "FAILSF". To reset the temperature controller turn the blower switch off for 30 seconds. Try restarting the oven again.
SECTION 5 TROUBLESHOOTING PROBLEM CONVEYOR WILL NOT HOLD PROPER SPEED OR WILL NOT RUN AT ALL Check if conveyor is jammed on something in oven. Check for proper tension of conveyor belt. Refer to Maintenance Section for checking procedure. Check that drive sprocket is tight. If conveyor still will not run contact your local Middleby Marshall Service Agency. PROBLEM OVEN WILL NOT TURN ON WHEN THE SWITCHES ARE TURNED ON Check if circuit breakers are turned on.
SECTION 5 TROUBLESHOOTING PROBLEM BLOWER MOTORS RUNNING BUT LITTLE OR NO AIR AT FINGERS Fingers assembled incorrectly after cleaning 58
SECTION 6 PARTS LIST SECTION 6 PARTS LIST FIGURE NO. 6-1 6-2 6-3 6-4 6-5 6-6 6-7 6-8 6-9 DESCRIPTION PAGE NO.
SECTION 6 PARTS LIST 17 16 37 38 4 5 34 3 1 1 2 33 10 35 13 7 6 8 11 45 3 12 36 60 11 39 21 2 26 18 20 22 5 4 14 25 10 24 23 25 19 32 31 29 30 28 32 31 30 7 8 9 6 27 29 FIGURE 6-1 OVEN PANELS, WINDOW AND LEGS
OVEN PANELS, WINDOW AND LEGS 61 QTY. 2 1 1 2 2 2 1 1 2 2 8 8 8 A/R 4 1 1 1 4 1 1 1 1 1 1 1 1 2 1 4 2 2 A/R A/R A/R 1 1 1 3 1 1 per ft. PS200-R68 PART NO. 49400-0160 35900-0285 30261 21416-0005 2000346 49400-0161 35900-0286 30264 21416-0005 2000346 21296-0002 21182-0006 30278 21296-0005 35900-0043 35900-0314 30756 31357 21256-0008 31382 30280 30285 30286 17130-0006 22140-0017 33300-0273 30287 34121-0003 37900-0025 37900-0102 22290-0009 22290-0010 220373 21426-0001 21416-0001 22500-0021 PS220-R68 PART NO.
9 5 7 2 62 6 3 1 4 FIGURE 6-2 AIR FINGERS SECTION 6 PARTS LIST 8
ITEM NO. 1 2 3 4 5 6 7 8 9 PS200-R68 PART NO. 49400-0146 37900-0051 37900-0123 49400-0270 49400-0145 37900-0230 35900-0291 49400-0269 35900-0287 PS220-R68 PART NO. 49400-0242 37900-0172 37900-0209 48400-0274 49400-0243 37900-0210 35900-0471 49400-0273 35900-0287 PS224-R68 PART NO.
SECTION 6 PARTS LIST 6 4 7 5 1 64 19 14 10 2,3 16 20 18 MIN MIN SEC SEC 00 00 I O I O I O FUNCTION DISPLAY RESET SETUP 17 15 9 8 11,13 11,13 12,13 FIGURE 6-3 CONTROL PANEL
ITEM NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 QTY. 1 1 1 1 1 1 1 1 1 1 2 1 3 2 1 3 1 1 1 1 65 22500-0131 28041-0008 42810-0133 27021-0011 28154-0003 42810-0138 PART NO.
SECTION 6 PARTS LIST 19 12 18 15 14 10 5 12 6 16 21 13 22 25 17 12 23 17 66 24 20 11 12 22 20 12 2 5 8 26 12 3 7 6 5 4 6 6 2 5 4 1 FIGURE 6-4 BLOWER AND SHROUD
QTY. 1 1 1 16 A/R A/R A/R 4 2 A/R 1 A/R 1 1 1 1 1 4 1 1 1 2 1 A/R 1 1 1 1 1 ITEM NO. 1 2 3 4 4A 5 6 7 8 10 11 12 13 14 15 15 16 17 18 18 19 20 21 22 23 24 25 26 26 21422-0001 21416-0001 21419-0004 22072-0025 21326-0002 49400-0155 21292-0005 30039 30042 37900-0162 37900-0149 27470-0035 21256-0009 37900-0161 37900-0148 31434 30410 22450-0217 35900-0108 35900-0232 21651-0010 27399-0003 37900-0158 37900-0144 PART NO.
SECTION 6 PARTS LIST 36 31 33 22 24 25 13 23 17 16 10 68 23 12 12 13 12 27 38 18 16 30 28,29 15 14 15 12 17 31 35 26 9 11 34 15 14 15 21 7 20 19 8 37 39 7 6 5 40 41 1,2 3 4 FIGURE 6-5 CONVEYOR Right Hand Drive Oven Shown.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 12 23 15 16 17 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 38 39 40 41 1 2 4 1 1 1 2 2 2 2 A/R A/R 1 1 1 1 1 2 2 2 A/R A/R 1 1 1 1 1 1 1 1 2 4 4 4 1 1 1 1 2 2 1 PART NO. 30290RH 30433LH PS220FS-R68 PART NO.
SECTION 6 PARTS LIST 28 23 24 27 25 22 26 Regulator Spring Silver - Nat. Red - Propane Adjustment Screw 70 18 20 19 10 Cap Screw Silver - Nat.
GAS BURNER AND PIPING ASSEMBLY 71 QTY. 1 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 PART NO.
SECTION 6 PARTS LIST 20 21 8 9 23,24 8 17 18 18 19 14 7 15 72 14 16 10 15 6 5 22 16 11 15 1 2 14 13 12 3 FIGURE 6-7 MACHINERY COMPARTMENT
ITEM NO. 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20 21 22 23 24 QTY. 1 1 1 1 1 1 1 1 1 1 1 2 3 3 2 4 8 4 1 1 1 1 1 1 PART NO.
SECTION 6 PARTS LIST 8 74 10 9 12 2 6 j 4 7 11 5 3 1 FIGURE 6-8 ELECTRIC OVEN ELECTRIC PANEL
ELECTRIC OVEN ELECTRIC PANEL 75 ITEM NO. 1 2 3 4 5 6 7 8 8 8 9 10 11 12 QTY. 1 1 2 1 2 6 A/R A/R A/R 1 A/R A/R 3 1 PART NO.
SECTION 6 PARTS LIST 5,6 76 7 Terminal Block Transformer 4 17 N 1 2 17 N 1 2 17 N 2 1 1 17 2 3 FIGURE 6-9 JUNCTION BOX AND EXPORT TRANSFORMER Ground 2 N 2
JUNCTION BOX AND EXPORT TRANSFORMER ITEM NO. 1 1 2 3 4 5 6 7 7 Not Shown Not Shown QTY. 1 1 2 1 1 2 2 1 1 PART NO. 28082-0010 28082-0011 27083-0008 35900-0147 27292-0009 A3333 21426-0002 27011-0010 27011-0011 42810-0086 28082-0016 DESCRIPTION TRANSFORMER .75 KVA 240-480V EXPORT ONLY TRANSFORMER 1.
SECTION 6 PARTS LIST NOTES 78
SECTION 7 ELECTRICAL SCHEMATICS SECTION 7 ELECTRICAL SCHEMATICS 79
G Gnd #16 blk neutral # 16 wht yel blk #16 wht blk #16 9A 9A Conveyor Switch 3 4 5 13 Air Pressure Switch N.O. 3 J1-2 purple 5 red J1-6 Contactor Coil A1 C1 A2 brn Cooldown(TC) N.O.
J1 J2 24 pin cable, Both connectors female 4 3 2 1 9 8 7 6 5 4 5 6 24 23 22 Pin #22 Red, Thermocouple 81 Pin #23 Wht, Thermocouple Pin #24 Ground 2 1 6 5 4 3 1 2 3 12 11 10 Pin #’s 1-12 Thumbwheel Ribbon Cable starting with Pin #1 - blue 16 pin cable at Remote Control, Female end 14 pin cable at Machinery Compartment, Male end 13 14 Pin #1 #2 #3 #4 #5 #6 #13 #14 Control Fuse Air Switch Conveyor AC Transformer High Flame Solenoid Contactor Neutral Ground 16 15 Wire Color Blk Orn Yel Purple Bl
SECTION 7 ELECTRICAL SCHEMATICS A MIDDLEBY COMPANY Middleby Marshall Middleby Marshall Inc.
