Instruction/ maintenance manual of the product P/N 60250 Middleby Marshall
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OWNER'S OPERATING AND INSTALLATION MANUAL for domestic and standard export ovens ©2012 Middleby Marshall Inc. is a registered trademark of Middleby Marshall, Inc.
II P/N60250September28,2012 RETAIN THIS MANUAL FOR FUTURE REFERENCE. Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 USA • (847)741-3300 • FAX (847) 741-4406 www.middleby.com NOTICE: This Owner's Operating and Installation Manual should be given to the user.
III P/N60250September28,2012 MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY (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.
IV P/N60250September28,2012 NOTE Wiring Diagrams are in Section 5 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console. Page SECTION 1 – DESCRIPTION ......................................
1 P/N60250September28,2012 I. OVEN USES PS740 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. OVEN COMPONENTS – see Figure 1-1. A.
2 P/N60250September28,2012 I. OVEN SPECIFICATIONS Table 1-1 Dimensions Single Oven Double Oven Triple Ove Overall Height 48-3/16 ″ (1219mm) 62-3/4 ″ (1575mm) 78-11/16 ″ (1981mm) O.
3 P/N60250September28,2012 SECTION 2 – INSTALLATION WARNING – After any conversions, readjustments, or service work on the oven: • Perform a gas leak test. • Test for proper combustion and gas supply. • Test for correct air supply, particularly to the • Check that the ventilation system is in operation.
4 P/N60250September28,2012 3 2 4 6 5 1 PARTS LIST FOR SERIES PS740 GAS OVEN INSTALLATION KIT P/N 61452 (Two required for double oven) (Three required for triple oven) ITEM NO.
5 P/N60250September28,2012 PS740 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PS740 PS740 PS740 PS740 Gas Oven Single Oven DoubleOven TripleOven Installation Option Base w/ OptionBase .
6 P/N60250September28,2012 Figure 2-2A. Model PS740 24 ″ Single Oven Option Base with Legs and Top PARTS LIST FOR PS740 SERIES 24 ″ SINGLE OVEN OPTION - BASE w/15 ″ LEGS & TOP P/N 67027 HARD W ARE BAG 5, 6, 7, 10 & 1 1 1 2 4 9 8 ITEM NO.
7 P/N60250September28,2012 Figure 2-2B. Model PS740 32 ″ Single Oven Option Base with Legs and Top PARTS LIST FOR PS740 SERIES 32 ″ SINGLE OVEN OPTION - BASE w/15 ″ LEGS & TOP P/N 67025 HARD W ARE BAG 5, 6, 7, 10 & 1 1 1 2 4 9 8 ITEM NO.
8 P/N60250September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 64943 COMPLETE BASE WELDMENT 2 4 66853 TOP PLATE, LEG WELDMENT 4 4 58930 SWIVEL CASTER FLAT PLATE 5 32 2000531 3/8 ″ -.
9 P/N60250September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 66159 COMPLETE BASE WELDMENT 2 4 66853 TOP PLATE, LEG WELDMENT 4 4 58930 SWIVEL CASTER FLAT PLATE 5 32 2000531 3/8 ″ -.
10 P/N60250September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 64943 COMPLETE BASE WELDMENT 2 4 45209 QUAD OUTRIGGER WELDMENT 3 2 22290-0010 SWIVEL CASTER, FLAT PLATE 4 2 22290-0009 .
11 P/N60250September28,2012 ITEM NO. QTY PART NO. DESCRIPTION 1 1 66159 COMPLETE BASE WELDMENT 2 4 45209 QUAD OUTRIGGER WELDMENT 3 2 22290-0010 SWIVEL CASTER, FLAT PLATE 4 2 22290-0009 .
12 P/N60250September28,2012 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.
13 P/N60250September28,2012 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.
14 P/N60250September28,2012 NOTE: DO NOT install top panel onto double or triple ovens until AFTER stacking the oven cavities. See Part B, Stacking.
15 P/N60250September28,2012 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.
16 P/N60250September28,2012 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.
17 P/N60250September28,2012 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.
18 P/N60250September28,2012 B. Connection Check the oven’s gas supply requirements before making the gas utility connection. Gas supply requirement are listed on the oven’s serial plate and in Table 1-4. Gas Orice and Pressure Specications (in Section 1, Description).
19 P/N60250September28,2012 F. Adjusting the Minimum Pressure Setting 1. Disconnect pressure feedback connection (if appcable). 2. Connect a suitable pressure gauge to pipe line or to outlet pressure tap of gas control concerned, to measure burner pressure (measuring point must be as near to burner as possible).
20 P/N60250September28,2012 SECTION 3 - OPERA TION I. 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.
21 P/N60250September28,2012 II. NORMAL OPERATION - STEP-BY-STEP- A. Daily Startup Procedure 1. Check that the circuit breaker/fused disconnect is in the On position. Check that the window is closed. The touch panel display should be lit.
22 P/N60250September28,2012 III. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION Noelectricalpower • Checkthatthecircuitbreaker/fuseddisconnectison.Make suretheemergenctstopbuttonison.
23 P/N60250September28,2012 Vents on front panel of oven Fan grills (2) on rear of oven and control compartment Vent (1) on rear of machinery compartment SECTION 4 - MAINTENANCE WARNING Possibility of injury from moving parts and electrical shock exists in this oven.
24 P/N60250September28,2012 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 Sec - tion.
25 P/N60250September28,2012 III. MAINTENANCE – EVERY 3 MONTHS A. Check that the oven is cool and the power is disconnected, 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.
26 P/N60250September28,2012 Figure 4-6. Disassembling the drive shaft E. Blower Belt 1. Remove the six 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) deection at the center, and for cracking or excessive wear.
27 P/N60250September28,2012 V. KEY SPARE PARTS – Available separately. See Figure 4-8. KEY SPARE PARTS PS740 GAS ITEM QTY. P/N DESCRIPTION 1 1 60190 Digital Display, Programmed 2 1 58.
28 P/N60250September28,2012 SECTION 5 - WIRING DIAGRAM Middleby-Marshall Model Number G208-240 Volt 50/60 Hz, 1 Phase 59324 Rev. E.
29 P/N60250September28,2012 NOTES.
30 P/N60250September28,2012 NOTES.
31 P/N60250September28,2012 NOTES.
P/N60250September28,2012 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).
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