Middleby Marshall Ps 350 Pizza Oven Manual

15-09-2021
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For over 130 years, Middleby Marshall has been known as a world leader specializing in manufacturing conveyor ovens for high-volume pizza kitchens. Middleby Marshall uses advanced technology methods that include faster cooking speeds, consistent product baking, greater oven productivity, kitchen labor reduction, and energy savings.

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  • Middleby Marshall Oven Parts. Middleby Marshall is a top choice for restaurants and other establishments in the foodservice industry. They offer a wide variety of commercial food equipment like: PS520, PS536, PS540, PS555 and PS570 Ovens; DZ3311, DZ5511, G26 and TCO2114 CTX Ovens; PS640, PS670 and PS360 WOW Pizza Ovens; PS220 and PS224 Conveyor.
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8
PS360-series ovens feature two blower motors. A blower
wheel is fastened onto the end of the motor shaft. In
order to adjust the amount and speed of heated air that
is directed by the blower wheels, it is necessary to
change the size of the wheels and/or change the speed
Each PS360-series oven model has a specific combi-
Oven
nation of blower motor and blower wheel. Field modifi-
cations to these approved combinations are not per-
mitted unless under the specific directions of the
Middleby Technical Service Department. Any changes
to convection air delivery MUST be made using the air
C. PS555/570-series ovens
mounted inside each of the end compartments of the
oven, with a pulley on the end of the motor shaft. The
oven has two blower wheels; a belt connects each motor
pulley to a pulley on the end of one of the blower wheel
shafts. The air velocity can be changed by using a
larger or smaller pulley on the motor shaft, and chang-
ing the length of the belt to match the new pulley. See
Some customers have a specific belt/pulley combina-
tion approved by Middleby Marshall, while others use a
standard configuration. Field modifications to these
approved combinations are not permitted unless under
the specific directions of the Middleby Technical Ser-
SECTION 2 - AIR FLOW AND HEAT TRANSFER
A.Description and Function
Air fingers direct the heated air from the blowers into
vertical jets that are directed at the top and bottom of
the conveyor belt. Each air finger configuration has
been tested to optimally cook a specific customers
Marshall
product. As a rule, air finger configurations should NOT
be changed from customer specifications without di-
rect instructions from the Middleby Technical Services
Middleby uses two main types of air fingers:
ter-type air finger assembly. The finger is as-
plate. The inner plate is assembled from two sepa-
rate plates, each with a series of holes, that are
relative to each other to restrict the air flow through
the holes as necessary. These fingers are no longer
in general use, but may still be found in older ov-
All current ovens use an air finger which is com-
posed of a manifold, inner plate, and outer plate.
fingers, but a wide variety of styles is available to
ure 4.
Figure 2Air finger operation
from blower
Vertical
high-velocity
Figure 3PS300/350 air finger with shutter plateFigure 4Current standard air finger (all oven models)
Outer plate

Middleby Marshall Ps 350 Pizza Oven Manual 2017

rack as shown to prevent
on outer plate.
Shutter
Rivets
Width varies to match inner

Middleby Marshall Ps 350 Pizza Oven Manual Free

Middleby
be solid, perforated, partially
Several special shapes are
customer needs.
Width and hole
Inner plate
Middleby marshall pizza oven parts
configuration varies.
Middleby marshall ps 350 pizza oven manual 2017

Middleby Marshall Ps 350 Pizza Oven Manual Parts

Middleby Marshall PS536 Pizza Conveyor Oven

Standard Features:

  • Impingement PLUS! low oven profile and dual air return
  • Patented EMS Energy Management System* reducesenergy consumption and increases cooking efficiency
  • 36”/914mm long cooking chamber
  • 18”/457mm-wide, 60”/1524mm long conveyor belt
  • Stackable up to three units high
  • Patented “Jet Sweep” impingement process that delivers constant heat to the chamber
  • Microprocessor-controlled bake time/conveyor speed
  • Customer-specific adjustable jet fingers that allow control of heating zones in 8”/203mm zones
  • Stainless steel front, sides, top and interior
  • Front-loading window with cool handle
  • Reversible conveyor direction