Manual de instrucciones de Middleby Cooking Systems Group PS200-R68

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Middleby
Marshall
SECTION 1
DESCRIPTION
SECTION 1
DESCRIPTION
The ovens in a double oven operate completely indepen-
I. MODEL IDENTIFICATION
dent of one another. Both ovens use identical controls
and components. One can be serviced while the other is
The Middleby™ Series PS200-R68 Ovens may be used
operating.
singly or stacked for use as double ovens.
The Series PS200-R68 Ovens can be ordered with the
The Series PS200-R68 single oven is mounted on a base
conveyor drive at either the right end or

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SECTION 1 DESCRIPTION PS200-R68 SERIES OVEN SPECIFICATIONS 2 PS200-R68 GAS PS200-R68 ELECTRIC PS224-R68 GAS PS224-R68 ELECTRIC PS220-R68 GAS PS220-R68 ELECTRIC Conveyor Belt Width 32"(813mm) 32"(813mm) 24"(610mm) 24"(610mm) 20"(508mm) 20"(508mm) Heating Zone Length 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) 40-1/2"(1028mm) Baking Area Square Feet 9 sq.ft.(0.84sq.m.) 9 sq.ft.(0.84sq.m.) 6.4 sq.ft.(0.59sq.m.) 6.4 sq.ft.(0.59sq.m.) 5.5 sq.ft.(0.51sq.m.) 5.5 sq.f

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SECTION 1 DESCRIPTION SERIES PS200-R68 ELECTRICAL SPECIFICATIONS GAS HEATED OVENS Main Blower Control Phase Frequency Amperage Poles Wires & Elements Circuit Draw Voltage Voltage 208-240V 120V 1 Ph 50/60 Hz 4.1 Amp 3 Pole 4 Wire (2 hot,1 neut,1 grd) 208V 120V 1 Ph 50/60 Hz 4.1 Amp 2 Pole 3 Wire Export Transformer (2 hot,1 grd) 200V 120V 1 Ph 50/60 Hz 4.1 Amp 2 Pole 3 Wire Export Transformer (2 hot,1 grd) 220-240V 120V 1 Ph 50/60 Hz 4.1 Amp 2 Pole 3 Wire Export Transformer (2 hot,1 grd) ELECTRIC

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SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW Air is heated and then pulled through the fan which inside of the Middleby Series PS200-R68 Oven is light in pushes the air into the oven plenum and delivers heated color to reflect more heat back to the product. air into the air fingers. The fingers contain an inner plate and outer plate which columnate the air and evenly Convection: This path has to do with moving amounts distribute heated air across the conveyor belt on which of air. It explai

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SECTION 1 DESCRIPTION II. PRINCIPLE OF AIR FLOW Continued Manifold Baffle Air Flow From Plenum Chamber Inner Plate Manifold Outer Plate High Velocity Columns of Air to Product Air Flow From Plenum Chamber Manifold Baffle Inner Plate Outer Plate Manifold Figure 1-3. Air Fingers Showing Air Passing Through Inner Plate And Outer Plate Which Forms High Velocity Columns Of Air To The Product. B. Air Fingers The Middleby Series PS200-R68 Oven is a conveyorized This is accomplished with use of hot air

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Middleby Marshall SECTION 1 DESCRIPTION Removable Jet Fingers Control (Inside Machinery Conveyor Boxes Oven) Compartment Rear Stop Conveyor Motor Cooling Fan Conveyor End Stop Front Window Removable Conveyor Removable Drip Pans (Inside Oven) Removable End Plugs Removable Crumb Pans Locking Casters (Rear Casters are not locking casters) Figure 1-4. Component Location 6 Middleby Marshall

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SECTION 1 DESCRIPTION Should a flame outage occur the control will close the III. COMPONENT FUNCTION main gas control valve within 0.8 seconds and attempt to A. Conveyor reignite the pilot. The conveyor is driven by a variable speed electric motor D. Electric Heaters (Electric Oven Only) operating through a gear reducer (See Figure 1-5). The motor speed is controlled by a digital control. The stain- There are six heater elements mounted on the inside of less steel wire belt can travel in either

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UPPER UPPER SECTION 1 DESCRIPTION G. Air Fingers manifold with its holes lined up with outer plate holes. The Air Finger Assemblies are made up of three parts as The inner plate is also manufactured with no rows of follows (See Figure 1-7): holes. This type of finger is a non-columnating air finger. 1. Outer Plate - The Outer Plate is the removable cover 3. Manifold - The Manifold is the assembly which slides with tapered holes, which directs the air stream onto the on tracks into the oven plenu