Instruction/ maintenance manual of the product PS640E Middleby Marshall
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O WNER'S OPERA TING AND INST ALLA TION MANU AL f or domestic and standar d expor t o vens ©2007 Middleby Marshall Inc. is a registered trademark of Middleby Marshall, Inc.
ii W ARNING Improper installation, adjustment, alteration, service , or maintenance can cause property damage , injur y , or death. Read the installation, operation, and maintenance instructions thoroughl y before installing or servicing this equipment.
iii MIDDLEBY MARSHALL INC. O VEN LIMITED W ARRANTY (Non U .S.A.) The Seller warrants equipment manufactured by it to be free from defects in material and workmanship for which it is responsible. The Seller’s obligation under this warranty shall be limited to replacing or repairing, at Seller’s option, without charge, F.
iv NO TE Wiring Diagrams are in Section 6 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console. Page SECTION 1 – DESCRIPTION ............................................ 1 I. OVEN USES .................
I. O VEN USES PS640 Series Ovens can be used to bake and/or cook a wide variety of food products, such as pizza, pizza –type products, cookies, sandwiches and others. II. O VEN COMPONENTS – see Figure 1-1. A. Conveyor Drive Motor: Moves the conveyor.
2 I. O VEN SPECIFICA TIONS Table 1-1 Dimensions Single Oven Double Oven Triple Oven Overall Height 48-3/16 ″ (1219mm) 62-3/4 ″ (1575mm) 78-11/16 ″ (1981mm) Overall Depth 60 ″ (1524mm) 60 ″ (.
SECTION 2 – INSTALLATION WARNING – After any conversions, readjustments, or service work on the oven: • Check that the ventilation system is in operation.
PS640 O VEN INST ALLA TION REQUIRED KITS AND EQUIPMENT PS640 PS640 PS640 PS640 Electric Oven Single Oven DoubleOven TripleOven Installation Option Base w/ OptionBase w/ OptionBase w/ TYPE OF INSTALLAT.
Figure 2-2. Model PS640 Single Oven Option Base with Legs and Top PARTS LIST FOR PS640 SERIES SINGLE OVEN OPTION - BASE w/15 ″ ″ ″ ″ ″ LEGS & TOP P/N 59720 HARDW ARE BA G 5, 6, 7, 10 & 11 1 2 3 4 9 8 ITEM NO.
ITEM NO. QTY PART NO. DESCRIPTION 1 1 60287 COMPLETE BASE WELDMENT 2 4 37900-0102 TOP PLATE, LEG WELDMENT 3 2 22290-0009 SWIVEL CASTER W/BRAKE FLAT PLATE 4 2 22290-0010 SWIVEL CASTER FLAT PLATE 5 32 2.
ITEM NO. QTY PART NO. DESCRIPTION 1 1 60287 COMPLETE BASE WELDMENT 2 4 45209 QUAD OUTRIGGER WELDMENT 3 2 22290-0009 SWIVEL CASTER, W/BRAKE FLAT PLATE 4 2 22290-0010 SWIVEL CASTER, FLAT PLATE 5 4 45206.
III. VENTILATION SYSTEM B. Recommendations NOTE THAT THE HOOD DIMENSIONS SHOWN IN FIGURE 2-5 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.
IV. ASSEMBLY A. Top Panel and Base Pad Assembly 1. Install the four leg extensions onto the base pad using the 3/8 ″ -16 × 1 ″ screws, 3/8 ″ flat washers, and 3/8 ″ lockwashers supplied in the Base Pad Kit. See Figure 2-6. Check that the finished sides of each leg extension face OUTWARDS.
NOTE: DO NOT install top panel onto double or triple ovens until AFTER stacking the oven cavities. See Part B, Stacking. B. Stacking For single ovens, skip ahead to Part C, Restraint Cable Installation. IMPORTANT Middleby Marshall STRONGLY RECOMMENDS that PS640 Gas oven cavities be stacked BY AUTHORIZED PERSONEL.
D. Conveyor Installation 1. Unfold the conveyor as shown in Figure 2-12. 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.
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.
13 III. ELECTRICAL CONNECTION INFORMATION FOR PS640E-SERIES OVENS. WARNING Authorized supplier personnel normally accom- plish the connections for the ventilation system, electric supply, as arranged by the customer. Following these connections, the factory-autho- rized installer can perform the initial startup of the oven.
14 UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS640-SERIES OVENS Figure 2-19. Typical PS640-Series Oven(s) Installation To O v e n To O v e n WARNING DO NOT USE CONDUIT FOR GROUND CONNECTION. CAUTION IT IS RECOMMENDED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION.
SECTION 3 - OPERA TION LOCATION AND DESCRIPTION OF CONTROLS A. Main On/Off Button Turns all oven functions on or off. If the oven is below the set point, it will rise to the set point and turn the conveyor on. If it is turned off and the oven is above 200° F, the blowers will remain on until the oven drops below 200° F.
NORMAL OPERATION - STEP-BY-STEP A. Main Screen 1. When the unit has been “OFF” for more than 1 minute the controller will display the screen saver, as shown in Figure 3-1. To start operation, push the “Enter/Reset” button. The controller will display the “OFF” screen, as shown in Figure 3-2.
4. To change the conveyor belt speed, push the “TIME” button. The controller will display the screen, shown in Figure 3-5. To change the minute setting, push the “ ← ← ← ← ← ” arrow button. Then push either the “ ↑ ” arrow or “ ↓ ” arrow buttons to increase or decrease the time accordingly.
III. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION No electrical power • Check that the circuit breaker/fused disconnect is on. Make sure the emergenct stop button is on. Oven will not turn On. Faulty contactor Faulty heater element • Replace contactor.
Vents on front panel of oven Fan grills (3) on rear of oven and control compartment Vents (2) on rear of machinery compartment SECTION 4 - MAINTENANCE WARNING Possibility of injury from moving parts and electrical shock exists in this oven.
II. MAINTENANCE – MONTHLY NOTE: When removing the conveyor, refer to Figure 2-12 (in Section 2, Installation). A. Check that the oven is cool and the power is disconnected, as described in the warning at the beginning of this Section. B. Remove the crumb trays from the oven.
III. MAINTENANCE – EVERY 3 MONTHS A. Check that the oven is cool and the power is discon- nected, as described in the warning at the beginning of this Section. B. Vacuum both of the blower mounts, and their surrounding compartments, using a shop vacuum.
Figure 4-6. Disassembling the drive shaft E. Blower Belt 1. Remove the eight screws shown in Figure 4-7. Then, remove the rear panel from the oven. 2. Check the blower belt for the proper 1/4 ″ (6mm) deflec- tion at the center, and for cracking or excessive wear.
V. KEY SPARE PARTS – Available separately. See Figure 4-8. Figure 4-8. Key Spare Parts 23 ITEM QTY. P/N DESCRIPTION 1 1 60191 DIGITAL DISPLAY, PROGRAMMED 2 1 58920 CONVEYOR DRIVE MOTOR W/PICKUP ASSY.
24 SECTION 5 TR OUBLESHOO TING PROBLEM: PRODUCTS ARE OVERCOOKED OR UNDERCOOKED Check for correct setting of conveyor speed control. Set the conveyor speed control at correct setting. Check for correct setting on tempera- ture controller. Turn temperature control to correct setting.
25 SECTION 6 - WIRING DIA GRAM Middleby-Marshall Model Number E208-240 Volt 50/60 Hz, 3 Phase 60227 Rev. A4.
26 Middleby-Marshall Model Number E380-480 Volt 50/60 Hz, 3 Phase 60231 Rev. A4.
27 NOTES.
Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • USA • (847)741-3300 • FAX (847)741-4406 www .middleby .com 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.
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