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PS528-Series Gas Ovens: English
A MIDDLEBY COMPANY
owner's
operating
& installation
manual
PS528-Series OVENS
PS528 (Single)
Model PS528G
PS528 (Triple)
PS528 (Double)
Part No. 63935 Rev. B
©2009 Middleby Marshall Inc.
Price $30.00
P: 08/09
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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 Qbbleui l idetmi Warra Nyt OVEN LIMITED WARRANTY (U.S.A. Oy nl ) (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 Seller’s obligation under this warranty shall be limited to replacing or TO AS “THE SELLER”, WARRANTS Eq UIPMENT re
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TABLE OF CONTENTS TABLE OF CONTENTS (Continued) Page Page SECTION 1 I. MODEL IDENTIFICATION ..............................................1 III. STEP-BY-STEP OPERATION ........................................22 SERIES PS528 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 PS528-Series may be used either as a single oven or stacked for use as double or triple ovens. A single PS528-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 ove
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SECTION 1 DESCRIPTION PS528 SERIES OVEN SPECIFICATIONS Conveyor Belt Width 18.00" (457mm) Heating Zone Length 28.00" (711mm) Baking Area Square Feet 3.5 sq. ft. (0.33 sq. m.) Overall Dimension Standard Single Oven w/Legs 50.00" (1270mm) L × 40.75" (1035mm) W × 21.72" (786mm) H × Overall Dimension Double Oven 50.00" (1270mm) L × 40.75" (1035mm) W × 37.27" (947mm) H x Overall Dimension Triple Oven 50.00" (1270mm) L x 40.75" (1035mm) W × 52.82" (1342mm) H × Weight of Si
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SECTION 1 DESCRIPTION II. COMPONENT FUNCTION (Figure 1-4) Figure 1-4. PS528-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 o
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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. 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 min
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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 absence Your Middleby Marshall PS528-Series Oven is shipped of local codes, with the National Electrical Code (NEC), partially assembled. It will arrive in a carton on a crate. or ANSI/NFPA70. The crate and carton must be examined before signing the Bill of Lading. Report any visible damage to the transport NOTE company, and check for the proper nu
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SECTION 2 INSTALLATION PARTS LIST FOR SERIES PS528 Gas OVEN INSTALLATION KIT Double Stack Oven P/N 63947 ITEM NO. QTY PART NO. DESCRIPTION 1 2 62208 INSULATION BOTTOM TRAY 2 1 62206 BOTTOM TRAY WELDMENT 3 1 61650 TOP COVER 4 4 51387 SCREW MSSLT THREAD 8-32 × 1/2, 18-8 5 4 3101908 LEG 4 ″ AD FT 7 1 22450-0228 GAS HOSE RESTRAINT CABLE 8 2 22361-0001 GAS HOSE 9 1 49975 CORD & PLUG NEMA L6-20P 10 1 23115-0009 MANUAL GAS VALVE, 3/4 ″ × 1/2, COUPLER 11 1 31823 REDUCER, 3/4 ″ – 1/2 ″
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SECTION 2 INSTALLATION Figure 2-5. MODEL PS528 SINGLE OVEN DIMENSIONS 1 1 The Opening Height is Adjustable from 2-1/4 inch minimum to 3-3/4 inch maximum in 1/2 inch increments. 10
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SECTION 2 INSTALLATION Figure 2-6. MODEL PS528 DOUBLE OVEN DIMENSIONS 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. 11
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SECTION 2 INSTALLATION Figure 2-7. MODEL 528 TRIPLE OVEN DIMENSIONS 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 PS528-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 PS528-Series Oven(s) Separate circuit breaker with lockout/tagout electrical Installation shutoff for each oven. Wire each oven separate
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SECTION 2 INSTALLATION III. ELECTRICAL CONNECTION IV. ELECTRIC SUPPLY FOR GAS HEATED INFORMATION FOR PS528-SERIES OVENS OVENS. Power requirements for gas heated ovens are 208 - 240VAC, 1-phase, 3-wire (2 ‘hot’, 1 ground). Electrical connection is made through a cord and plug. Using WARNING flexible cable(s) for the electrical power supply conductors Authorized supplier personnel normally accom- requires a 2″ (51mm) strain-relief fitting (not furnished) plish the connections for the venti
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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 possible). DURING PRESSURE TESTING NOTE THE FOLLOWING: ® 3. Make sure that the appliance is in operation and the Moduplus 1. The oven and its individual shutoff valve must be dis- coil is energized with maximum current. connected from the gas supply piping system during any
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SECTION 2 INSTALLATION G. Maintenance Figure 2-16. Gas Burner Assembly Gas Burner It is recommended to check yearly the minimum and the maximum setting and readjust them if necessary . H. Connection WARNING 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. After comple
