Middleby Marshall PS360 SERIES Operation manual

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

Middleby Marshall Inc.  1400 Toastmaster Drive  Elgin, IL 60120  USA  [phone]  FAX [phone]
Middleby Corporation Service Hotline [phone]
www.middleby.com
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.
i
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.
NO QUIBBLE LIMITED WARRANTY
(U.S.A. ONLY)
MIDDLEBY MARSHALL, HEREINAFTER REFERRED TO
AS THE SELLER, WARRANTS EQUIPMENT MANUFAC-
TURED BY IT TO BE FREE FROM DEFECTS IN MATERIAL
AND WORKMANSHIP FOR WHICH IT IS RESPONSIBLE.
THE SELLERS OBLIGATION UNDER THIS WARRANTY
SHALL BE LIMITED TO REPLACING OR REPAIRING AT
SELLERSOPTION,WITHOUTCHARGE,ANYPARTFOUND
TO BE DEFECTIVE AND ANY LABOR AND MATERIAL EX-
PENSE INCURRED BY SELLER IN REPAIRING OR RE-
PLACING 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, clean-
ing 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 Sellers authorized service
personnel. Authorized service agencies are located in prin-
cipal 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.
ii
MIDDLEBY MARSHALL INC.
OVEN LIMITED WARRANTY
(Non U.S.A.)
The seller warrants equipment manufactured by it to be free
from defects in material and workmanship for which it is
responsible. The Sellers obligation under this warranty
shall be limited to replacing or repairing at Sellers option,
without charge, F.O.B. Sellers 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 Sellers
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, ad-
justment 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 Sellers authorized service personnel. Seller
shall not be responsible for any costs incurred if the work is
performed by other than Sellers authorized service person-
nel.
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 equip-
ment, or which result from the use or misuse by Buyer, its
employees or others of the equipment supplied hereunder,
and Buyers 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 guar-
antee the process of manufacture by Buyer or the quality of
product to be produced by the equipment supplied hereun-
der 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 Sellers sole and exclusive obliga-
tion and Buyers 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.

iii
page
SECTION1-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. OVENCOMPONENTS ........................................ 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. CrumbPans .................................................. 1-2
G. Control Panel ................................................ 1-2
H. MachineryCompartment AccessPanel .......... 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. CoolingFans ................................................. 1-2
SECTION2-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. THERMOCOUPLEINSTALLATION ...................... 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
page
SECTION3-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. DigitalTemperature Controller ....................... 3-1
E. Conveyor Speed Display ............................... 3-1
F. ConveyorSpeedAdjustment 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
SECTION4-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
SECTION5-ELECTRICALSCHEMATICS ............................ 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
TABLE OF CONTENTS