Middleby Marshall PS2020 Series Operation manual

OWNER’S
OPERATING &
INSTALLATION
MANUAL
PS2020 Series Electric Ovens
PS2020 Series Electric Ovens: English
Combinations:
• Single Oven
• Double-Stacked Oven
© Middleby Marshall Inc. All rights reserved.

The information contained in this manual is important for the
proper installation, use, maintenance, and repair of this oven.
Follow these procedures and instructions to help ensure
satisfactory baking results and years of trouble-free service.
Errors – descriptive, typographic, or pictorial – are subject to
correction. Specifications are subject to change without notice.
This Owner’s Operating and Installation Manual should be given to the user.
The operator of the oven should be familiar with the
function and operation of the oven.This manual must be kept in a prominent,
easily reachable location near the oven.
Middleby Marshall suggests a service contract with a Middleby Authorized
Service Agent (ASA).
Please carefully read this manual and retain it for future reference.

For further information, call
877-34-OVENS
or
877-346-8367

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left blank

Table of Contents
Safety Information
Important Safety Information - Please Read First i
General Safety Information i
Reducing Fire Risk ii
Preventing Oven Damage ii
Grounding Instructions ii
Power Cord Replacement ii
Specifications and Installation
PS2020 Dimensions 1
PS2020 Electrical Specifications 1
Packaging 2
Certifications 2
Construction 2
Installation Instructions 2
Delivery and Initial Inspection 2
Lifting the Oven 2
Oven Location and Placement 2
Installation Near Open Heat Source 3
Ventilation Requirements 3
Cleaning
Daily Cleaning Instructions 4
Weekly Cleaning Instructions 5-7
Standard Oven Operation
Oven Controls 8
Cooking 9-10
Editing a Cooking Profile 11
Changing a Cooking Profile Name 11
Adjusting the Belt Speed 12
Adjusting the Temperature 12
Adjusting the Top and Bottom Air 12

Oven Modes
Config Mode 13
Smart Card Screen (Loading a Menu) 13
Accessing the Fault Count Screen 13
Accessing the Setup Mode 13
Setup Mode 13
Changing the Display Temperature 14
Changing the Belt Direction 14
Edit Options Screen 14
Changing the Speaker Volume 15
Info Screen 15
Updating the Firmware 15
Troubleshooting 16-17
Replaceable Parts 18
North America Limited Warranty 19-22
International Limited Warranty 23-26

i
SAFETY INFORMATION
Important Safety Information – Please Read First
Improper installation, adjustment, alteration, service, or maintenance of this equipment can
cause property damage, injury, or death. Thoroughly read the installation, operating, and
maintenance instructions before installing or servicing this equipment. Strictly adhere to the
following safety information to reduce the risk of:
oDamage to the oven
oDamage to property near the oven
oPersonal injury
oBurns
oFire
oElectric shock
General Safety Information
oUse this appliance only for its intended uses as described in this manual.
oOnly qualified service personnel should service this appliance. Contact the nearest
authorized service facility for examination, repair, or adjustment. Visit
www.middlebymarshall.com to find your nearest Authorized Service Agent.
oAlways ensure the oven is disconnected from the power supply before servicing,
repairing, or adjusting any components or parts.
oThis appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, unless they
have been given supervision or instruction concerning use of the appliance by a person
responsible for their safety.
oThe equipment warranty is not valid unless the oven is installed, started, and
demonstrated under the supervision of a factory certified installer.
oThe equipment is only for professional use and shall be used by qualified personnel.
oDO NOT place the cord near heated surfaces.
oDO NOT store or use flammable vapors or liquids (e.g., gasoline) in the vicinity of this
appliance.
oDO NOT allow children to use this appliance. Children should be supervised to ensure
that they do not play with the appliance
oDO NOT place corrosive chemicals or vapors in this appliance. It is not designed for
industrial or laboratory use.
oDO NOT Operate this appliance if it:
Has a damaged cord or plug
Is not working properly
Has been damaged or dropped
oDO NOT cover or block any openings on this appliance.
oDO NOT store this appliance outdoors.
oDO NOT use this appliance near water.
oDO NOT immerse this appliance or any of its components (e.g., cord, plug, etc.) in water.
oDO NOT let the cord hang over the edge of a table or counter.

ii SAFETY INFORMATION
Reducing Fire Risk
If materials inside the oven ignite or if smoke is observed,
1. Turn off the oven.
2. Disconnect the power cord or shut off power at the fuse/circuit breaker panel.
o
Carefully attend the oven if paper, plastic, or other combustible materials are placed
inside the oven to facilitate cooking.
oDO NOT leave items in the cook cavity when the oven is not in use.
oDO NOT cook items wrapped in cling wrap or plastic film.
oDO NOT overcook food.
Preventing Oven Damage
o
When servicing this appliance, do not tear insulation to get to components. Rather, find
the edge of the insulation and remove the tape that holds it in place.
oClean the oven daily.
oClean the oven only with approved cleaner.
oDO NOT clean with a water jet.
oDO NOT allow cleaning solution or water to remain in the cook cavity longer than
necessary.
Grounding Instructions
WARNING: Improper grounding increases the risk of electric shock.
This appliance must be grounded. The cord is equipped with a grounding wire and plug,
which in the event of an electrical short circuit, reduce the risk of electric shock by providing
an escape wire for the electric current. The wire must be plugged into an outlet that is
properly installed and grounded.
Consult a qualified electrician or serviceman to determine whether or not the appliance is
properly grounded.
oDO NOT use an extension cord. If the power supply cord is too short, request a qualified
electrician or serviceman to install an outlet near the appliance.
Power Cord Replacement
To avoid potential hazards, only the manufacturer, its service agent, or a similarly-qualified
person should replace a damaged power cord.

1
SPECIFICATION AND INSTALLATION
PS2020 Dimensions
Exterior
Height 13.0” (330 mm)
--with legs 17.0” (432 mm)
Width 48.0” (1219 mm)
Depth 35.8” (909 mm)
Conveyor
Length 48.0” (1219 mm)
Width 20.0” (508 mm)
Electrical Specifications
North America
3 Phase
208/240 VAC
50/60 Hz
40 amp current draw
Max Input: 14.4 kW
4-wire supply
NEMA 15-50P plug (4-pin IEC60309 available
by special order)
50-amp max circuit breaker protection
Europe/Asia (220-240 VAC)
3 Phase
220-240 VAC
50/60 Hz
40 amp current draw
Max Input: 14.4 kW
4-wire supply
IEC60309 4-pin plug
64-amp max circuit breaker protection
Europe/Asia (380-415 VAC)
3 Phase
380-415 VAC
50/60 Hz
20 amp current draw
Max Input: 14.4 kW
5-wire supply
IEC60309 5-pin plug
32-amp max circuit breaker protection
Figure 1: PS2020 Oven Dimensions – Side
Figure 2: PS2020 Oven Dimensions – Top
Figure 3: PS2020 Oven Dimensions – Front (Single)
Figure 4: PS2020 Oven Dimensions – Front (Double)
35.8"(909 mm)35.8"(909 mm)
8.5"
8.5"
(216 mm)
(216 mm)
48.0" (1219 mm)
48.0" (1219 mm)
W/O 12"W/O 12" eexxttensionsensions
17.0"
17.0"
(432 mm)(432 mm)
4.0"
4.0"
(102 mm)
(102 mm)
13.0"
13.0"
(330mm)
(330mm)
48.4"(1229 mm)48.4"(1229 mm)
4.0
4.0
(102 mm)
(102 mm)
30.0
30.0
(1092 mm)(1092 mm)
13.0
13.0
(330 mm)
(330 mm)
13.0
13.0
(330 mm)
(330 mm)

2SPECIFICATION AND INSTALLATION
Packaging
All ovens are packaged in a double-wall corrugated
box with integrated wooden skids. All international
ovens shipped via Air or Less than Container Loads are
packaged in wooden crates.
Certifications
Construction
- 430 stainless steel front, top, sides, and back
- Cool to touch covers and panels
- Stainless steel interior
- 20-inch-wide cook chamber
Installation Instructions
The oven is designed and certified for safe
operation when installed in accordance with local and/
or national codes. It is the owner and/or installer’s
responsibility to comply with any codes that may
exist. Install this oven according to the policies and
procedures outlined below and throughout this manual.
WARNING: Death, injury, and equipment
damage can result from improper installation
of a unit damaged during shipment or storage.
WARNING: Do not install an oven suspected
of damage. Improper installation or the
installation of a unit damaged during shipment
or storage may void the Limited Warranty.
Delivery and Initial Inspection
All Middleby Marshall ovens are shipped so as to
prevent damage.
Upon delivery, inspect the shipping container for
external damage. Any evidence of damage should be
noted on the delivery receipt which must be signed by
the driver.
Upon removing the oven from its shipping carton, check
for damage. Make note of any damage and contact the
shipping company to file a claim. Carriers will accept
claims for concealed damage if notified within fifteen
days of the delivery and if the shipping container is
retained for inspection.
Middleby Marshall does not assume responsibility for
any loss or damage suffered in transit. The carrier
assumes full responsibility for delivery in good order
when the shipment is accepted. However, when
necessary, Middleby Marshall can assist in filing a
claim.
Lifting the Oven
WARNING: Two or more people are required to lift
the the PS2020 (195 lb. (88.5kg)).
Position one or more people on either side of the oven.
Lift from the bottom. Never lift the oven from the front
and rear. The countertop must be at least 30” (762 mm)
deep and capable of supporting 200 lb. (90.7 kg) for the
PS2020.
Once properly positioned on the counter, plug the oven
into a wall mounted electrical receptacle. See Electrical
Specifications on page 1 for the PS2020.
Oven Location and Placement
WARNING: Death, injury and equipment
damage may result from improper positioning.
WARNING: DO NOT stack ovens without
stacking brackets. Contact Customer Service
for more information.
WARNING: DO NOT stack ovens more
than three high.
It is the operator’s responsibility to ensure the oven is
properly positioned on countertop. Middleby Marshall
will not warrant any damage or injury to ovens that
fall off countertops due to improper placement.