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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 

is 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-

authorized 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 

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 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 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 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 WHATSO-

EVER. SPECIFICALLY THERE ARE NO IMPLIED WARRANTIES 

OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR 

PURPOSE.

The foregoing shall be Seller’s sole and exclusive obligation 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.

Model No. 

Modéle No. 

Serial No. 

Serié No. 

Installation Date 

Date d'installation

MIDDLEBY MARSHALL  

N

o

 Q

uibble

 l

imited

 W

arraNty

 

(U.S.A. O

nly

)

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  SELLER’S  OBLIGATION  UNDER 

THIS  WARRANTY  SHALL  BE  LIMITED TO  REPLACING 

OR  REPAIRING,  AT  SELLER’S  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 

PURCHASE, 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-

authorized 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 Seller’s 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 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. 

This  warranty  is  effective  on  Middleby  Marshall 

equipment sold on, or after, February 15, 1995.

©  2009 - Middleby Marshall, A Middleby Company.                  

The Middleby Marshall logo is a registered trademark of Middleby Marshall, A Middleby Company. 

Middleby Marshall Inc.  •  1400 Toastmaster Drive  •  Elgin, Illinois  60120-9272 U.S.A. •  (847) 741-3300  •  FAX: (847) 741 4406 

Summary of Contents for PS528 (Double)

Page 1: ...arshall Inc A MIDDLEBY COMPANY PS528 Series Electric Ovens English owner s operating installation manual PS528 Series OVENS Model PS528E PS528 Triple PS528 Double Part No 63934 Rev B Price 30 00 P 08...

Page 2: ...The warranty is NOT VALID unless the oven is installed started and demonstrated under the supervision of a factory authorized installer NOTICE Contact your authorized Service Agency to perform mainte...

Page 3: ...IFICALLY THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE The foregoing shall be Seller s sole and exclusive obligation and Buyer s sole and exclusive remedy f...

Page 4: ...YOR SPEED 17 III STEP BY STEP OPERATION 18 A Startup Procedures 18 Daily Startup 18 Power Failure 18 B Shutdown Procedure 18 TABLE OF CONTENTS Continued Page IV NORMAL OPERATION STEP BY STEP 20 A Dail...

Page 5: ...ble oven Figure1 2 consistsoftwo stacked single ovens A triple oven Figure 1 3 consists of three stacked single ovens The lower oven is mounted on a base pad On a double or triple oven the ovens opera...

Page 6: ...SERIES PS1828 ELECTRICAL SPECIFICATIONS Main Blower Control Circuit Phase Frequency kW Amperage Poles Wires Elements Voltage Voltage Draw L1 L2 L3 N 208 240V 208 240 3 Ph 50 60 Hz 208 12 35 3 35 3 33...

Page 7: ...SECTION 1 DESCRIPTION 3 Figure 1 4 PS528 Series Oven Components Locations...

Page 8: ...e element is connected to an electrical control which is energized by the temperature controller D Cooling Fan See Figure 1 5 and Figure 1 6 The cooling fan is located in the back of the oven Thecooli...

Page 9: ...SECTION 1 DESCRIPTION 5 Figure 1 6 Cooling Fan...

Page 10: ...6 SECTION 1 DESCRIPTION Figure 1 7 Blank Plates two sizes and an Air Finger F2 Blank Plates 1 BlankPlates TheBlankPlatesareavailable to install on the plenum where an air finger is not required...

Page 11: ...OnovenswiththeMachineryDriveCompartment located at the right end a minimum clearance of 0 to a left side wall 18 to a right side wall and 6 from a back wall to air openings at the rear of the oven mus...

Page 12: ...TRAY WELDMENT 4 1 61650 TOP COVER 5 4 51387 SCREW MSSLT THREAD 8 32 1 2 18 8 6 1 63934 OWNER S OPERATING INSTALLATION MANUAL 7 4 62207 INSULATION ITEM NO QTY PART NO DESCRIPTION 1 2 62208 INSULATION...

Page 13: ...SECTION 2 INSTALLATION 9 Figure 2 5 MODEL PS528 SINGLE OVEN DIMENSIONS The Opening Height is Adjustable from 2 1 4 inch minimum to 3 3 4 inch maximum in 1 2 inch increments 1 1...

Page 14: ...10 SECTION 2 INSTALLATION Figure 2 6 MODEL PS528 DOUBLE OVEN DIMENSIONS The Opening Height is Adjustable from 2 1 4 inch minimum to 3 3 4 inch maximum in 1 2 inch increments 1 1...

Page 15: ...SECTION 2 INSTALLATION 11 Figure 2 7 MODEL 528 TRIPLE OVEN DIMENSIONS The Opening Height is Adjustable from 2 1 4 inch minimum to 3 3 4 inch maximum in 1 2 inch increments 1 1...

Page 16: ...8 2 14 4 48 1 40 0 41 7 L3 33 3 28 8 18 2 14 4 N 2 0 2 0 SUPPLY WIRE Supply wire size must be in accordance with the National Electrical Code current edition and must be in compli ance with local code...

Page 17: ...ectricsupplyconnectionmustmeetallnationalandlocal electricalcoderequirements Copperistherecommended material for the electrical supply conductors IV ELECTRIC SUPPLY FOR ELECTRICALLY HEATED OVENS Power...

Page 18: ...14 SECTION 2 INSTALLATION NOTES...

Page 19: ...parts and electric shock exists in this oven Never disassemble or clean the oven with the BLOWER switch or any other oven control turned ON or I Turn OFF or O and lockout or tagout all electric power...

Page 20: ...erature inside the oven is over 180 F 82 C the main blower will continue to run after the blower switch is turned to the OFF or O position C Heat Switch Turning the HEAT switch to ON or I will energiz...

Page 21: ...leading edge of the item to go from the entrance end of the baking chamber to the exit end This should be the conveyor speed shown on the con veyor speed digital control NOTE In Figures 3 4 and 3 5 th...

Page 22: ...ONVEYORswitch Figure3 6 tothe ON or I position This starts the conveyor belt moving through the oven Set the conveyor speed for the desired baking time Refer to the following Procedures E F and G 4 Se...

Page 23: ...SECTION 3 OPERATION 19 Figure 3 6 Control Panel...

Page 24: ...s will remain in operation until the oven has cooled to below 200 F 93 C IV NORMAL OPERATION STEP BY STEP 7 Wait for the oven to heat to the setpoint temperature Higher setpoint temperatures will requ...

Page 25: ...y Press this key togeth er with the Set Point Key to allow the Set Point to be changed Changes can only be made for 60 seconds Up Arrow and Down Arrow Keys Press these keys to adjust the Set Point up...

Page 26: ...that the BLOWER Switch is in the ON I position Turn the HEAT BLOWER and CONVEYOR switches to the OFF O position Wait for AT LEAST FIVE MINUTES before restarting the oven Repeat the Daily Startup proce...

Page 27: ...not use any abrasive cleaning materials or water spray wipe clean only Never use a water hose or pressurized steam cleaning equipment when cleaning this oven NOTICE If the oven is to be removed from i...

Page 28: ...E OVEN Replace cooling fan blade beforeoperatingoven Seriousdamage could be done to the burner blower motor and or solid state electrical components if oven is operated while cooling fan is not runnin...

Page 29: ...everely damaged When cleaning your oven first remove all heavy debris with a vacuum cleaner Use a damp cloth for light clean ing For heavier cleaning of baked on grease and carbon deposits use a non c...

Page 30: ...or and push toward other side 6 Remove conveyor as shown Figure 4 6 Figure 4 7 CAUTION Be careful not to bump the drive sprocket while handling the conveyor to avoid damaging the drive shaft B Air Fin...

Page 31: ...es straight out Figure 4 8 3 Remove air fingers NOTE Someovenusersrequireacustomfingerarrange ment where the quantity of air fingers may vary You can remove top and bottom fingers and blank plates fro...

Page 32: ...inger C Reassembly of Air Fingers 1 Air fingers are made up of one inner plate one outer plate and the finger housing manifold Be sure to match up the markings T1 T2 T3 etc on all the parts of the air...

Page 33: ...y they came out IMPORTANT When inserting fingers the tab on the outer plate must be in the groove as shown in Figure 4 18 There is a blocking tab on the outside of the groove which will prevent insert...

Page 34: ...edges Figure 4 18 Top Finger Incorrect Too Much Space Blank Plate Tab on Outer Plate of Finger Located in Groove Top Finger Incorrect Too Much Space Blank Plate Tab on Outer Plate of Finger Located i...

Page 35: ...1 D Reinstall End Plugs 1 Reinstall lower end plug Be sure to tighten the wing screw on the end plug 2 Reinstall conveyor 3 Reinstall upper end plug Be sure to tighten two wing screws on the end plug...

Page 36: ...under proper tension an entire link must be removed Use the following procedure H Conveyor Belt Link Removal to remove a link If conveyor belt is under proper tension proceed directly to J Attaching...

Page 37: ...link to be removed 5 Pull up on the belt link section and remove Do not discard the link removed as it may be used for making spare master links NOTE If a section of the conveyor belt is being replac...

Page 38: ...erside of the con veyor must be against the lower end plug This is true on both sides of oven Figure 4 33 6 Reconnect the inside master links Figure 4 29 Figure 4 29 NOTE The outside master links have...

Page 39: ...al screws including the electrical contactor terminal screws as shown in Figure 4 35 Figure 4 35 B Ventilation Check that the air circulation throughout the oven is not blocked and is working properly...

Page 40: ...NO ENGLISH DESCRIPTION QUANTITY 1 47321 Kit Temperature Control On Off Pid 1 2 44914 Controller 208 240V 1 2 44658 Controller 380 480V 1 3 58500 Conveyor Drive Motor and Magnet 1 4 60542 Conveyor Spee...

Page 41: ...ng Refer to Section 4 procedure or call your Middleby Marshall Service Agency PROBLEM OVEN BLOWER AND CONVEYOR OPERATE YET THE OVEN IS NOT HEATING Start the oven again If the oven still does not heat...

Page 42: ...SECTION 5 TROUBLESHOOTING 38 NOTES...

Page 43: ...39 ENGLISH SECTION 6 PARTS LIST SECTION 6 PARTS LIST...

Page 44: ...40 ENGLISHSECTION 6 PARTS LIST...

Page 45: ...ND PLUG ASSEMBLY INCLUDES ITEM 6 EYEBROW 5 1 62347 EYEBROW UPPER LH END PLUG ASSEMBLY 6 1 62346 EYEBROW UPPER RH END PLUG ASSEMBLY 7 4 51398 END PLUG MOUNTING BRACKET ASSEMBLY 875 8 8 21296 0005 SCREW...

Page 46: ...42 ENGLISHSECTION 6 PARTS LIST...

Page 47: ...3 1 44568 CONTROLLER 380 480V 4 1 63931 ELEMENT HEATING 480V 12 kW 4 1 63930 ELEMENT HEATING 380V 12 kW 4 1 63929 ELEMENT HEATING 240V 12 kW 4 1 61747 ELEMENT HEATING 208V 12 kW 4 1 63933 ELEMENT HEAT...

Page 48: ...44 ENGLISHSECTION 6 PARTS LIST...

Page 49: ...O DESCRIPTI ON 1 1 63909 SWITCH MOMENTARY 12A NO 2 POLE 2 2 30927 BUMPER WINDOW 3 1 51399 FAN COOLING 230V AC 295 CFM 4 2 62106 MOTOR BLOWER CW 208 230 50 60HZ 5 2 57258 PLATE AIR VENT 6 4 7007413 SCR...

Page 50: ...46 ENGLISHSECTION 6 PARTS LIST...

Page 51: ...TAL SPEED CONTROL DISPLAY ONLY 6 1 50990 CONTROL COMBO 4 20MA BURST 7 1 28041 0011 CONTACTOR 208 240V 8 1 31504 TRANSFORMER 230V P 120V S 200VA 9 1 63909 SWITCH INTLCK 12A NO2P 10 1 33983 CONTROL ELEC...

Page 52: ...48 ENGLISHSECTION 6 PARTS LIST...

Page 53: ...0062 LINK MASTER CENTER 1 2P 18 9 1 50061 LINK MASTER RIGHT 1 2 18 10 1 55567 ASSY CHAIN HIGH SPEED 10A 1 3101212 LINK MASTER 25 CHAIN 10B 1 55566 CHAIN 25 LINK 11 1 55217 SPROCKET CHAIN 25 20T 1 2 CO...

Page 54: ...50 ENGLISHSECTION 6 PARTS LIST NOTES...

Page 55: ...51 SECTION 7 ELECTRICAL SCHEMATICS SECTION 7 ELECTRICAL SCHEMATICS Wiring Diagram E208 240V 50 60 1 PS528 P N 62311 REV B...

Page 56: ...SECTION 7 ELECTRICAL SCHEMATICS 52 Wiring Diagram E208 240V 50 60 3 PS528 P N 62309 REV B...

Page 57: ...53 SECTION 7 ELECTRICAL SCHEMATICS Wiring Diagram E380 480V 50 60 3 PS528 P N 62310 REV B...

Page 58: ...SECTION 7 ELECTRICAL SCHEMATICS 54 Wiring Diagram E380V 50 60 3 CE PS528 P N 63969 REV B...

Page 59: ...55 SECTION 7 ELECTRICAL SCHEMATICS NOTES...

Page 60: ...ry or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment NOTICE During the warranty period ALL parts replacement and servicing...

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