Middleby Marshall PS500 installation manual Description, Oven Uses, II. Oven Components see Figure

SECTION 1 - DESCRIPTION

ENGLISH

I.OVEN USES

PS500 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.Conveyor Drive Motor: Moves the conveyor.

B.Crumb Pans: Catch crumbs and other material that drop through the conveyor belt. One crumb pan is located at each end of the conveyor.

C,D. Conveyor End Stop and Rear Stop: Prevent food products from falling off the end or rear of the moving conveyor.

E.Conveyor: Moves the food product through the oven.

F.End Plugs: Allow access to the oven's interior.

G.Eyebrows: Can be adjusted to various heights to prevent heat loss into the environment.

H.Window: Allows the user to access food products inside the baking chamber.

I.Machinery Compartment Access Panel: Allows access to the oven's interior and control components. No user- servicable parts are located in the machinery compart- ment.

J.Serial Plate: Provides specifications for the oven that affect installation and operation. Refer to Section 2, Installation, for details.

III. OVEN SPECIFICATIONS

K.Control Panel: Location of the operating controls for the oven. Refer to Section 3, Operation, for details.

Not Shown:

L.Gas Burner (gas ovens) or Heating Elements (electric ovens): Heat air, which is then projected to the air fingers by the blowers.

M.Blowers: Project hot air from the burner or heating ele- ments to the air fingers.

N.Air Fingers: Project streams of hot air onto the food product.

Figure 1-1 - Oven Components

G FD

H

I

J

BC

E

K

A

Table 1-1: Dimensions

Single Oven

Double Oven

Triple Oven

Quad Oven

Overall Height

46-1/8” (1172mm)

60-1/8” (1527mm)

62-1/2” (1588mm)

78” (1981mm)

Overall Depth

63-3/8” (1610mm)

63-3/8” (1610mm)

63-3/8” (1610mm)

63-3/8” (1610mm)

Overall Length, PS555G and PS555E

91” (2311mm)

91” (2311mm)

91” (2311mm)

91” (2311mm)

Overall Length, PS570G

106” (2692mm)

106” (2692mm)

106” (2692mm)

106” (2692mm)

Conveyor Width

32” (813mm)

32” (813mm)

32” (813mm)

32” (813mm)

or 2x15" (381mm)

or 2x15" (381mm)

or 2x15" (381mm)

or 2x15" (381mm)

Recommended Minimum Clearances

Rear of Oven (inc. rear shrouds) to Wall

6" (152mm)

6" (152mm)

6" (152mm)

6" (152mm)

Conveyor Extension to Wall (both ends)

0" (0 mm)

0" (0 mm)

0" (0 mm)

0" (0 mm)

Table 1-2: General Specifications		PS555G			PS555E				PS570G
Weight	1175 lbs. (533kg)			1175 lbs. (533kg)				1400 lbs. (634kg)
Rated Heat Input		150,000 BTU			32kW			170,000 BTU
	(37,800 kcal, 44 kW/hr)							(42,840 kcal, 50 kW/hr)
Maximum Operating Temperature		< - - - - - - - - - - - - - - 550°F / 288°C - - - - - - - - - - - - - - >
Air Blowers	Two blowers at 1400 ft.3/min. (39.6m3/min.) at 2050 RPM, 0.40" (1.0cm) Water Static Pressure
Average Air Jet Velocity		< - - - - - - 2600 ft./min. (1320cm/sec.) average - - - - - - >
Warmup Time		< - - - - - - - - - - - - - - - - 15 min. - - - - - - - - - - - - - - - - >
Table 1-3: Electrical specifications for PS555E electric ovens
Main Blower				Current Draw (per line)				kW
Voltage	Control Circuit Voltage	Phase	Freq	L1	L2	L3	N	Rating	Poles	Wires
208V	120V conveyor speed controller (w/transformer);	3 Ph	50/60Hz	97.4A	88.8A	97.4A	--	32kW	3 Pole	4 Wire
	all other control circuits 208V									(3 hot, 1 gd)
220-240V	120V conveyor speed controller (w/transformer);	3 Ph	50/60Hz	83.0-	75.0-	83.0-	--	29.3-	3 Pole	4 Wire
	all other control circuits 220-240V			90.0A	86.0A	90.0A		34.8kW		(3 hot, 1 gd)
480V	120V conveyor speed controller (w/transformer);	3 Ph	50/60Hz	38.5A	38.5A	47.7A	9.2A	32kW	4 Pole	5 Wire (3 hot,
	all other control circuits 240V									1 neut, 1 gnd)

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