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PS540-Series Gas Ovens: English
November 12, 2008 Rev.B
Middleby Middleby Middleby Middleby Middleby
®
Marshall Marshall
Marshall Marshall Marshall
A MIDDLEBY COMPANY
owner's
operating
& installation
manual
PS540-Series OVENS
PS540 (Single)
Model PS540G
PS540 (Triple)
PS540 (Double)
Part No. 50664
©2003 Middleby Marshall Inc.
Price $30.00
P: 11/08
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WARNING FOR YOUR SAFETY, DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. WARNING Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operation, and maintenance instructions thoroughly before installing or servicing this equipment. WARNING POST, IN A PROMINENT LOCATION, THE EMERGENCY PHONE NUMBER OF YOUR LOCAL GAS SUPPLIER AND INSTRUCTIONS TO B
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Model No. Serial No. Installation Date Modéle No. Serié No. Date d'installation MIDDLEBY MARSHALL MIDDLEBY MARSHALL INC. NO QUIBBLE LIMITED 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 AS Seller’s obligation under this warranty shall be limited to replacing or “THE SELLER”, WARRANTS EQUIPMENT MANUFACTURED rep
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TABLE OF CONTENTS TABLE OF CONTENTS (Continued) Page Page SECTION 1 Daily Startup ................................................................. 26 I. MODEL IDENTIFICATION .............................................. 1 Power Failure ............................................................... 26 SERIES PS540 ELECTRICAL SPECIFICATIONS ............. 2 B. Shutdown Procedure ............................................... 26 II. PRINCIPLE OF AIR FLOW ........................................
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SECTION 1 DESCRIPTION SECTION 1 DESCRIPTION I. MODEL IDENTIFICATION The Middleby Marshall PS540-Series may be used either as a single oven or stacked for use as double or triple ovens. The major difference between the oven models in this series is the width of the conveyor. A single PS540-Series Oven (Figure 1-1) is mounted on a base pad with legs and casters. A double oven (Figure 1-2) consists of two, stacked, single ovens. A triple oven (Figure 1-3) consists of three stacked single ovens. T
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SECTION 1 DESCRIPTION PS540 SERIES OVEN SPECIFICATIONS Conveyor Belt Width 32″ (813mm) Heating Zone Length 40-1/2″ (1028mm) Baking Area Square Feet 9 sq. ft. (0.84 sq. m.) Overall Dimension Standard Single Oven w/Legs 80″ (2032mm) L × 61-5/16″ (1557mm) W × 47-5/16″ (1202mm) H × Overall Dimension Double Oven 80″ (2032mm) L × 61-5/16″ (1557mm) W × 60-15/16″ (1548mm) H x Overall Dimension Triple Oven 80″ (2032mm) L x 61-5/16″ (1557mm) W × 77-1/2″ (1969mm) H × Weight of Single Oven 925 lb (419
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SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW reflect more heat. This is the reason that the inside of a The fan-style blower draws air into the oven plenum where PS540-Series Oven is light in color: To reflect more heat it is heated. The blower then pushes the hot air through the back onto the food product. air fingers into the baking chamber. Each air finger Convection: This path has to do with moving a volume of contains an inner plate and outer plate that form the hot air air. It explain
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SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW (Continued) B. Air Fingers The PS540-Series Ovens are conveyorized ovens that Series ovens used to bake pizza have four bottom fingers employ vertical jets of hot air streaming from air fingers and two top fingers. For special product baking require- (Figure 1-5) to give uniform, intense heating. The vertical ments, a number of other styles of fingers and finger streams of hot air provide an exceptional heat transfer rate arrangements are availabl
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SECTION 1 DESCRIPTION III. COMPONENT FUNCTION (Figure 1-6) Figure 1-6. PS540-Series Oven Components Locations 5
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SECTION 1 DESCRIPTION C. Gas Burner III. COMPONENT FUNCTION Turning the HEAT switch to “1” activates the oven purge A. Conveyor Motor and Conveyor Belt circuit. After approximately 30 seconds, the solid-state The conveyor belt is driven by a variable-speed electric ignition control lights a pilot burner by an electric spark. motor (Figure 1-7) operating through a gear reducer. The This system permits the main gas valve to open only after motor speed is controlled by a digital control. The stain-
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SECTION 1 DESCRIPTION E. Cooling Fan — See Figure 1-8 The cooling fans are located in the back of the oven. These cooling fans draw air through its grille, blowing it through the blower motor compartment and the control compartment into the oven top and exhausted out the front louvers. Cooling Fan Grille Figure 1-8. Cooling Fan 7
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SECTION 1 DESCRIPTION F. Air Fingers and Blank Plates - See Figure 1-9 F2. Blank Plates F1. Air Fingers 1. Blank Plates- The Blank Plates are available to install on the plenum where an air finger is not required. An Air Finger Assembly is made up of three parts: 1. Outer Plate - The Outer Plate is the removable covering with tapered holes, which direct the air stream onto the product being baked. 2. Inner Plate -The perforated Inner Plate is vital in forming the unique air jets. It must be asse
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SECTION 2 INSTALLATION SECTION 2 INSTALLATION NOTE: In U.S.A., the oven installation must conform with I. UNLOADING local codes, or in the absence of local codes, with the Your Middleby Marshall PS540-Series Oven is shipped National Fuel Gas Code, ANSI Z223.1 latest edition. The partially assembled. It will arrive in a carton on a crate. oven, when installed, must be electrically grounded in accordance with local codes, or in the absence of local Carton size for a PS540-Series Oven is: codes,
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SECTION 2 INSTALLATION PS540 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT TYPE PS540 PS540 Single PS540 Double PS540 Double PS540 Triple OF Gas Oven Oven Option Oven Option Oven Option Oven Option INSTALLATION Installation Base w/15″ Legs, Base w/6″ Legs, Base w/Casters Base w/Casters Kit P/N Casters & Top Casters & Top & Top & Top 50663 Kit P/N Kit P/N Kit P/N Kit P/N 34832 34833 34831 51139 PS540 Single Gas Oven 1 1 PS540 Double Gas Oven 2 1 1 PS540 Triple Gas Oven 3 1 PARTS LIST FOR
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SECTION 2 INSTALLATION Figure 2-2. Model PS540 Single Oven Option Base with Legs and Top ″ ″ PARTS LIST FOR PS540 SERIES SINGLE OVEN OPTION - BASE w/15″ ″ ″ LEGS & TOP P/N 34832 ITEM NO. QTY PART NO. DESCRIPTION 1 1 37900-0025 COMPLETE BASE WELDMENT 2 4 37900-0024 TOP PLATE, LEG WELDMENT 3 2 22290-0009 SWIVEL CASTER W/BRAKE FLAT PLATE 4 2 22290-0010 SWIVEL CASTER FLAT PLATE 5 32 220373 3/8″-16 × 1″ HEX SCREW,SST 6 32 21416-0001 3/8″ FLAT WASHER, SS 7 32 21422-0001 3/8″ SPLIT LOCK WASHER, ZP 8 4
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SECTION 2 INSTALLATION Figure 2-3. Model PS540 Double Oven Option Base with Legs and Top PARTS LIST FOR PS540 SERIES DOUBLE OVEN OPTION - BASE w/6″ ″ ″ ″ ″ LEGS, CASTERS & TOP P/N 34833 ITEM NO. QTY PART NO. DESCRIPTION 1 1 37900-0025 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 220373 3/8″-16 × 1″ HEX SCREW,SST 6 32 21416-0001 3/8″ FLAT WASHER, SS 7 32 21422-0001 3/8″ SPLIT LOCK WASHER
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SECTION 2 INSTALLATION Figure 2-4. Model PS540 Triple Oven Option Base with Outriggers and Top PARTS LIST FOR PS540 SERIES TRIPLE OVEN OPTION - BASE w/CASTERS & TOP P/N 51139 ITEM NO. QTY PART NO. DESCRIPTION 1 1 54606 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 INSERT,QUAD ADJUSTMENT FOOT 6 4 45205 SPACER,QUAD CASTER 7 32 220373 3/8″-16 × 1″ HEX BOLT, SST 8 32 21416-0001 3/8″ FLAT W
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SECTION 2 INSTALLATION Figure 2-5. MODEL PS540 SINGLE OVEN DIMENSIONS GAS INLET 1 3 3 2 ELECTRICAL JUNCTION BOX 3 3 RECOMMENDED MINIMUM CLEARANCES: Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″ Control End of Oven to Wall - 0″ 2 1 14
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SECTION 2 INSTALLATION Figure 2-6. MODEL PS540 DOUBLE OVEN DIMENSIONS GAS INLET 1 3 2 ELECTRICAL JUNCTION BOX 3 3 3 RECOMMENDED MINIMUM CLEARANCES: Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″ Control End of Oven to Wall - 0″ 2 1 15
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SECTION 2 INSTALLATION Figure 2-7. MODEL TRIPLE OVEN DIMENSIONS GAS INLET 1 3 2 ELECTRICAL JUNCTION BOX 3 3 RECOMMENDED MINIMUM CLEARANCES: 3 Rear of Oven to Wall - 6″ (150mm) Non-control End of Oven to Wall - 0″ Control End of Oven to Wall - 0″ 2 1 RESTRAINT CABLE INSTALLATION Install the restraint cable assembly on the oven, as shown in Figure 2-6. Figure 2-8. Restraint Cable Assembly Installation 16
