Middleby Marshall PS500 - Manual (Page 4)

4
ENGLISH
SECTION 1 - DESCRIPTION
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: Prevents 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.
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.
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
III. OVEN SPECIFICATIONS
C B
A
E
F G
H
J
I
K
D
Single Oven Double Oven Triple Oven Quad Oven
Table 1-1: Dimensions PS555E/G PS570G PS555E/G PS570G PS555E/G PS570G PS555E/G PS570G
Overall Height (inc. top and legs, as appropriate) 1.17m 1.53m 1.59m 1.98m
Overall Depth (inc. rear shrouds) 1.61m 1.61m 1.61m 1.61m
Overall Length 2.31m 2.69m 2.31m 2.69m 2.31m 2.69m 2.31m 2.69m
Conveyor Width 0.81m 0.81m 0.81m 0.81m
or 2x0.38m or 2x0.38m or 2x0.38m or 2x0.38m
Recommended Minimum Clearances
Rear of Oven (inc. rear shrouds) to Wall 0 mm 0 mm 0 mm 0 mm
Conveyor Extension to Wall (both ends) 0 mm 0 mm 0 mm 0 mm
Table 1-2: General Specifications (per oven cavity) PS555E/G PS570G
Weight 533kg 590kg
Shipping Weight 568kg 624kg
Shipping Cube 4.53m 3 4.53m 3
Rated Heat Input - Gas Ovens 44 kW, 37,800 kcal 50 kW, 42,840 kcal
Rated Heat Input - Electric Ovens 32kW --
Maximum Operating Temperature < - - - - - - - - - - - - 288°C - - - - - - - - - - - - >
Air Blowers Two blowers at 39.6m 3 /min. at 2050 RPM, 10mm Water Static Pressure
Average Air Jet Velocity < - - - - - - - 13.20m/sec. average - - - - - - - >
Warmup Time < - - - - - - - - - - - - 15 min. - - - - - - - - - - - - >
Table 1-3: Electrical specifications for PS555E electric ovens (per oven cavity)
Main Blower Control Circuit Phase Freq Current draw (avg.) * Poles Wires
Voltage Voltage L1 L2L3 N
380V 120V conveyor speed controller 3 Ph 50Hz 48.6A 48.6A 57.8A 9.2A 4 Pole 5 Wire
(w/transformer); (3 hot, 1 neutral,
all other control circuits 230V 1 ground)
* CAUTION: The current draw shown in the chart above is an average value for normal operation. The initial amperage draw
on oven startup may exceed the listed value.