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PS520-Series Gas Ovens: English
A MIDDLEBY COMPANY
owner's
operating
& installation
manual
PS520-Series OVENS
PS520 (Single)
Model PS520G
PS520 (Triple)
PS520 (Double)
Part No. 59223 Rev. C
©2012 Middleby Marshall Inc.
Price $30.00
P: 04/12
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NOTICE: This Owner's Operating and Installation Manual should be given to the user. The operator of the 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 u
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Model No. Serial No. Installation Date Modéle No. Serié No. Date d'installation MIDDLEBY MARSHALL MIDDLEBY MARSHALL INC. No Quibble l imited WarraNty OVEN LIMITED WARRANTY (U.S.A. Only ) (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 MIDDLEBY MARSHALL, HEREINAFTER REFERRED TO Seller’s obligation under this warranty shall be limited to replacing or AS “THE SELLER”, WARRANTS EQUIPMENT MANUFA
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TABLE OF CONTENTS TABLE OF CONTENTS (Continued) Page SECTION 1 Page I. MODEL IDENTIFICATION ..............................................1 III. STEP-BY-STEP OPERATION ........................................22 SERIES PS520 GAS SPECIFICATIONS .............................2 A. Startup Procedures ..................................................22 II. COMPONENT FUNCTION .............................................4 Daily Startup ...............................................
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SECTION 1 DESCRIPTION SECTION 1 DESCRIPTION I. MODEL IDENTIFICATION The Middleby Marshall PS520-Series may be used either as a single oven or stacked for use as double or triple ovens. A single PS520-Series Oven (Figure 1-1) is mounted on a base pad with legs. A double oven (Figure 1-2) consists of two, stacked, single ovens. A triple oven (Figure 1-3) consists of three stacked single ovens. The lower oven is mounted on a base pad with stacking pins. On a double or triple oven, the o
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SECTION 1 DESCRIPTION PS520 SERIES OVEN SPECIFICATIONS Conveyor Belt Width 18.00 ″ (457mm) Heating Zone Length 20.00 ″ (5098mm) Baking Area Square Feet 2.5 sq. ft. (0.23 sq. m.) Overall Dimension – Standard Single Oven w/Legs 42.00 ″ (1067mm) L × 35.21 ″ (894mm) W × 21.10 ″ (536mm) H × Overall Dimension – Double Oven 42.00 ″ (1067mm) L × 35.21 ″ (894mm) W × 36.64 ″ (931mm) H x Overall Dimension – Triple Oven 42.00 ″ (1067mm) L x 35.21 ″ (894mm) W × 48.19 ″ (1224mm) H × Weight
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SECTION 1 DESCRIPTION II. COMPONENT FUNCTION (Figure 1-4) Figure 1-4. PS520-Series Oven Components Locations 3
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SECTION 1 DESCRIPTION II. COMPONENT FUNCTION A. Conveyor Motor and Conveyor Belt The conveyor belt is driven by a variable-speed electric motor (Figure 1-5) operating through a gear reducer. The motor speed is controlled by a digital control. The stainless-steel wire belt can travel in either direction at variable rates ranging from 3 minutes to 30 minutes; this is the time that a product can take to pass through the oven. B. Blower Fan The blower fans are located at the rear of the ov
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SECTION 1 DESCRIPTION Figure 1-6. Cooling Fan 5
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SECTION 1 DESCRIPTION F2. Blank Plates 1. Blank Plates- The Blank Plates are available to install on the plenum where an air finger is not required. Half Blank Plate Outer Plate Inner Plate Blank Plate Finger Manifold Assembly Baffle Figure 1-7. Blank Plates (two sizes) and an Air Finger. 6
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SECTION 2 INSTALLATION SECTION 2 INSTALLATION WARNING - For gas ovens, after any conversions, readjustments, or service work on the oven: • Perform a gas leak test. • Test for correct air supply. • Test for proper combustion and gas supply. • 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 m
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SECTION 2 INSTALLATION NOTE: The oven, when installed, must be electrically I. UNLOADING grounded in accordance with local codes, or in the ab- Your Middleby Marshall PS520-Series Oven is shipped sence of local codes, with the National Electrical Code partially assembled. It will arrive in a carton on a crate. (NEC), or ANSI/NFPA70. Carton size for a PS520-Series Oven is: 44-1/4 ″ (1124mm) Long × NOTE There must be adequate clearance between 37-1/2 ″ (953mm) Wide × the oven and any
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SECTION 2 INSTALLATION PARTS LIST FOR SERIES PS520 Gas OVEN INSTALLATION KIT Double Stack Oven P/N 59183 ITEM NO. QTY PART NO. DESCRIPTION 1 2 48392 INSULATION BOTTOM TRAY 2 1 48394 BOTTOM TRAY WELDMENT 3 1 48396 TOP COVER 4 4 51387 SCREW MSSLT THREAD 8-32 × 1/2, 18-8 5 4 3101908 LEG 4 ″ AD FT 6 1 59223 OWNER'S OPERATING & INSTALLATION MANUAL 7 1 22450-0228 GAS HOSE RESTRAINT CABLE 8 2 22361-0001 GAS HOSE 7 8 PARTS LIST FOR SERIES PS520 Gas OVEN INSTALLATION KIT Triple Stac
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SECTION 2 INSTALLATION Figure 2-5. MODEL PS520 SINGLE OVEN DIMENSIONS 1 1 4.00 101.6mm The Opening Height is Adjustable from 2-1/4 inch minimum 1 to 3-3/4 inch maximum in 1/2 inch increments. 10
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SECTION 2 INSTALLATION Figure 2-6. MODEL PS520 DOUBLE OVEN DIMENSIONS 1 1 4.00 101.6mm The Opening Height is Adjustable from 2-1/4 inch mini- 1 mum to 3-3/4 inch maximum in 1/2 inch increments. 2 P/N 59927 is shown in its correct installed position. 11
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SECTION 2 INSTALLATION Figure 2-7. MODEL PS520 TRIPLE OVEN DIMENSIONS 1 1 The Opening Height is Adjustable from 2-1/4 inch mini- 1 mum to 3-3/4 inch maximum in 1/2 inch increments. 2 P/N 59927 is shown in its correct installed position. 12
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SECTION 2 INSTALLATION UTILITY ROUGH-IN DIMENSIONS AND POSITIONING FOR PS520-SERIES OVENS WARNING DO NOT USE CONDUIT OR GAS LINE FOR GROUND CONNECTION. CAUTION IT IS RECOMMENDED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION. ELECTRIC SUPPLY TO BE PROVIDED BY CUSTOMER CIRCUIT BREAKER Figure 2-9. Typical PS520-Series Oven(s) Separate circuit breaker with lockout/tagout electrical Installation shutoff for each oven. Wire each oven separa
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SECTION 2 INSTALLATION These ‘C’ Channel brackets are installed in the vertical electrical code requirements. Copper is the recommended plane using existing screws (Item 6) to support these ‘C’ material for the electrical supply conductors. Channels using the upper and lower Key Hole openings IV. ELECTRIC SUPPLY FOR GAS HEATED in the ‘C’ Channels. The ‘C’ Channels are identical and OVENS once installed will allow ample amounts of air through the cooling fan mounted on the rear side of th
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SECTION 2 INSTALLATION 2. Connect a suitable pressure gauge to pipe line or to outlet V. GAS SUPPLY pressure tap of gas control concerned, to measure burner CAUTION pressure (measuring point must be as near to burner as DURING PRESSURE TESTING NOTE THE FOLLOWING: possible). 3. Make sure that the appliance is in operation and the Modu- 1. The oven and its individual shutoff valve must be dis- ® plus coil is energized with maximum current. connected from the gas supply piping system during
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SECTION 2 INSTALLATION Figure 2-16. Gas Burner Assembly G. Maintenance Gas Burner It is recommended to check yearly the minimum and the maximum setting and readjust them if necessary. H. Connection W ARNING Some procedures in this section may require conversions, 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 disconnect are in the OFF ("O") position. Af
