
Gas PS360/PS360WB Tandem (AGA), English
A MIDDLEBY COMPANY
owner's operating
& installation manual
SERIES PS360/PS360WB
TANDEM GAS OVEN MODELS
PS360/PS360WB Tandem Oven
PS360/PS360WB Double Tandem Oven
© 1999 Middleby Marshall Inc.
PS360/PS360WB Tri Tandem Oven
PS360/PS360WB Quad Tandem Oven
P/N 39223
Rev. B V2 3/99
Price $30.00

NOTICE:
This Operating and Installation Manual should be given to the user. The operator of the oven should be familiar
with the functions and operation of the oven.
This manual must be kept in a prominent, easily reachable location near the oven.
The oven has a combustion system suitable for use with all natural gases and can be converted by a qualified
service agent for use with liquified gas.
It is suggested to obtain a service contract with a manufacturer's certified service agent.
WARNING
POST, IN A PROMINENT LOCATION, THE EMERGENCY TELEPHONE NUMBER OF YOUR LOCAL GAS SUP-
PLIER AND INSTRUCTIONS TO BE FOLLOWED IN THE EVENT YOU SMELL GAS.
Instructions to be followed in the event the user smells gas shall be obtained by consulting the local gas supplier. If
the smell of gas is detected, immediately call the emergency phone number of your local Gas Company. They will
have personnel and provisions available to correct the problem.
FOR YOUR SAFETY
Do not store or use gasoline or other
flammable vapors or liquids in the
vicinity of this or any other appliance.
WARNING:
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, injury or
death. Read the installation, operating and maintenance
instructions thoroughly before installing or servicing
this equipment.
NOTICE
CONTACT YOUR LOCAL SERVICE COMPANY TO PERFORM MAINTENANCE AND REPAIRS.
A SERVICE AGENT DIRECTORY IS SUPPLIED IN YOUR INSTALLATION KIT.
NOTICE
Using any parts other than genuine Middleby Marshall factory
manufactured parts relieves the manufacturer of all warranty and liability.
NOTICE
Middleby Marshall (Manufacturer) reserves the right to
change specifications at any time.
NOTICE
The equipment warranty is not valid unless the oven is installed, started and demonstrated under
the supervision of a factory certified installer.
Retain This Manual For Future Reference
Middleby Marshall Inc. 1400 Toastmaster Drive Elgin, IL 60120 USA (847) 741-3300 FAX (847) 741-4406
Middleby Corporation Service Hotline 1-800-238-8444
www.middleby.com
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MIDDLEBY MARSHALL INC.
NO QUIBBLE LIMITED WARRANTY
(U.S.A. ONLY)
MIDDLEBY MARSHALL INC.
OVEN LIMITED WARRANTY
(Non U.S.A.)
MIDDLEBY MARSHALL, HEREINAFTER REFERRED TO
AS THE SELLER, WARRANTS EQUIPMENT MANUFACTURED BY IT TO BE FREE FROM DEFECTS IN MATERIAL
AND WORKMANSHIP FOR WHICH IT IS RESPONSIBLE.
THE SELLERS OBLIGATION UNDER THIS WARRANTY
SHALL BE LIMITED TO REPLACING OR REPAIRING AT
SELLERS OPTION, WITHOUT CHARGE, ANY PART FOUND
TO BE DEFECTIVE AND ANY LABOR AND MATERIAL EXPENSE INCURRED BY SELLER IN REPAIRING OR REPLACING SUCH PART, SUCH WARRANTY SHALL BE
LIMITED TO THE ORIGINAL PURCHASER ONLY AND
SHALL BE EFFECTIVE FOR A PERIOD OF ONE YEAR
FROM DATE OF ORIGINAL INSTALLATION, OR 18 MONTHS
FROM DATE OF SHIPMENT, WHICHEVER IS EARLIER;
PROVIDED THAT TERMS OF PAYMENT HAVE BEEN FULLY
MET.
This warranty is valid only if the equipment is installed,
started and demonstrated under the supervision of a factory
certified installer.
Normal maintenance functions, including lubrication, cleaning or customer abuse are not covered by this no quibble
warranty.
Seller shall be responsible only for repairs or replacements
of defective parts performed by Sellers authorized service
personnel. Authorized service agencies are located in principal cities throughout the contiguous United States, Alaska
and Hawaii. This warranty is valid in the 50 United States and
is void elsewhere unless the product is purchased through
Middleby International with warranty included.
The foregoing warranty is exclusive and in lieu of all other
warranties, expressed or implied. There are no implied
warranties of merchantability or of fitness for a particular
purpose.
The foregoing warranty shall be Seller's sole and exclusive
obligation and Buyer's sole and exclusive remedy for any
action including breach of contract or negligence. In no event
shall Seller be liable for a sum in excess of the purchase
price of the item. Seller shall not be liable for any prospective
or lost profits of Buyer.
The seller warrants equipment manufactured by it to be free
from defects in material and workmanship for which it is
responsible. The Sellers obligation under this warranty
shall be limited to replacing or repairing at Sellers option,
without charge, F.O.B. Sellers factory, any part found to be
defective and any labor and material expense incurred by
Seller in repairing or replacing such part, such warranty to
be limited to a period of one year from date of original
installation or 15 months from date of shipment from Sellers
factory, whichever is earlier, provided that terms of payment
have been fully met. All labor shall be performed during
regular working hours. Overtime premium will be charged
to the Buyer.
This warranty is not valid unless equipment is installed,
started, and demonstrated under the supervision of a
factory certified installer.
Normal maintenance functions, including lubrication, adjustment of airflow, thermostats, door mechanisms,
microswitches, burners and pilot burners and replacement
of light bulbs, fuses and indicating lights, are not covered by
warranty.
Any repairs or replacements of defective parts shall be
performed by Sellers authorized service personnel. Seller
shall not be responsible for any costs incurred if the work is
performed by other than Sellers authorized service personnel.
When returning any part under warranty, the part must be
intact and complete, without evidence of misuse or abuse,
freight prepaid.
Seller shall not be liable for consequential damages of any
kind which occur during the course of installation of equipment, or which result from the use or misuse by Buyer, its
employees or others of the equipment supplied hereunder,
and Buyers sole and exclusive remedy against Seller for
any breach of the foregoing warranty or otherwise shall be
for the repair or replacement of the equipment or parts
thereof affected by such breach.
The foregoing warranty shall be valid and binding upon
Seller if and only if Buyer loads, operates and maintains the
equipment supplied hereunder in accordance with the
instruction manual provided to Buyer. Seller does not guarantee the process of manufacture by Buyer or the quality of
product to be produced by the equipment supplied hereunder and Seller shall not be liable for any prospective or lost
profits of Buyer.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU
OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES
WHATSOEVER. SPECIFICALLY THERE ARE NO IMPLIED
WARRANTIES OF MERCHANTABILITY OR OF FITNESS
FOR A PARTICULAR PURPOSE.
The foregoing shall be Sellers sole and exclusive obligation and Buyers sole and exclusive remedy for any action,
whether in breach of contract or negligence. In no event shall
seller be liable for a sum in excess of the purchase price of
the item.
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TABLE OF CONTENTS
page
SECTION 1 - DESCRIPTION ................................................. 1-1
I. OVEN SPECIFICATIONS .................................... 1-1
A. Physical Specifications ................................. 1-1
B. General Specifications .................................. 1-1
C. Electrical Specifications ................................ 1-1
D. Gas Orifice and Pressure Specifications ........ 1-1
II. OVEN USES ....................................................... 1-2
III. OVEN COMPONENTS ........................................ 1-2
A. Conveyor Drive Motor .................................... 1-2
B. Air Fingers .................................................... 1-2
C. Conveyor ...................................................... 1-2
D. Window ........................................................ 1-2
E. Oven Data Plate ............................................ 1-2
F. Crumb Pans .................................................. 1-2
G. Control Panel ................................................ 1-2
H. Machinery Compartment Access Panel .......... 1-2
I. End Panels ................................................... 1-2
J. Conveyor End Stop ....................................... 1-2
K. Conveyor Extension Covers .......................... 1-2
L. Gas Burner ................................................... 1-2
M. Blowers ........................................................ 1-2
N. Cooling Fans ................................................. 1-2
page
SECTION 3 - OPERATION .................................................... 3-1
I. LOCATION AND DESCRIPTION OF CONTROLS 3-1
A. BLOWER Switch .......................................... 3-1
B. HEAT Switch ................................................ 3-1
C. CONVEYOR Switch ...................................... 3-1
D. Digital Temperature Controller ....................... 3-1
E. Conveyor Speed Display ............................... 3-1
F. Conveyor Speed Adjustment Knob ................. 3-1
G. Conveyor Speed Controller ............................ 3-1
H. Machinery Cpt. Access Panel Safety Switch .. 3-1
II. NORMAL OPERATION, STEP-BY-STEP ............ 3-2
A. Daily Startup Procedures ............................... 3-2
B. Daily Shutdown Procedures ........................... 3-2
III. QUICK REFERENCE: BAKE TIME ...................... 3-3
IV. QUICK REFERENCE: DIGITAL TEMP CONTROL 3-3
V. QUICK REFERENCE: TROUBLESHOOTING ...... 3-4
SECTION 4 - MAINTENANCE ............................................... 4-1
I. MAINTENANCE - DAILY ...................................... 4-2
II. MAINTENANCE - MONTHLY ............................... 4-3
III. MAINTENANCE - EVERY 3 MONTHS ................. 4-4
IV. MAINTENANCE - EVERY 6 MONTHS ................. 4-4
SECTION 2 - INSTALLATION ............................................... 2-1
I. INSTALLATION KIT ............................................. 2-2
II. TRANSITION CHAMBER COMPONENTS ........... 2-2
III. VENTILATION SYSTEM ...................................... 2-3
A. Requirements ................................................ 2-3
B. Recommendations ......................................... 2-3
C. Other Ventilation Concerns ............................ 2-3
IV. THERMOCOUPLE INSTALLATION ...................... 2-4
V. ASSEMBLY ......................................................... 2-5
A. Oven Stand ................................................... 2-5
B. Joining the Oven Bodies ................................ 2-5
C. Installing the Center Transition ....................... 2-7
D. Installing the Conveyor Frame and Belt ........... 2-9
VI. ELECTRICAL SUPPLY ....................................... 2-12
VII. GAS SUPPLY .................................................... 2-13
A. Connection ................................................... 2-13
B. Gas Conversion ........................................... 2-14
SECTION 5 - ELECTRICAL SCHEMATICS ............................ 4-1
I. WIRING DIAGRAM, PS360/PS360WB
Tandem & Double Tandem Ovens ......................... 4-1
II. WIRING DIAGRAM, PS360/PS360WB
Tri Tandem & Quad Tandem Ovens ....................... 4-2
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