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Middleby Marshall PS770 Series Owner's Operating And Installation Manual

Ps770 series gas ovens
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PS770 Series
Gas
Domestic
ENGLISH
PS770 Series Gas Ovens
Model:
•
PS770G Gas
OWNER'S OPERATING AND
INSTALLATION MANUAL
for domestic and standard export ovens
©2012 Middleby Marshall Inc.
is a registered trademark of Middleby Marshall, Inc. All rights reserved.
Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • (847)741-3300 • FAX (847)741-4406
Combinations:
•
Single Oven
•
Double Oven (Two-Stack)
•
Triple Oven (Three-Stack)
P/N 59026
July 1, 2012 Rev. D

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  • Page 1 INSTALLATION MANUAL for domestic and standard export ovens ©2012 Middleby Marshall Inc. is a registered trademark of Middleby Marshall, Inc. All rights reserved. Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • (847)741-3300 • FAX (847)741-4406...
  • Page 4 Model No. Serial No. Installation Date Modéle No. Serié No. Date d'installation MIDDLEBY MARSHALL MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY PAPA JOHN’S No Quibble Limited (Non U.S.A.) Warranty The Seller warrants equipment manufactured by it to be free from Middleby Marshall will repair the equipment defects in material and workmanship for which it is responsible.

  • Page 5: Table Of Contents

    Table of Contents Page Page SECTION 1 IV. ASSEMBLY ..............10 DESCRIPTION ..............6 A. Base Pad, Legs, Casters, and Stacking ....10 I. OVEN USES ..............6 B. Restraint Cable Installation ........10 II. OVEN COMPONENTS .............6 C. Conveyor Installation ..........10 A. Conveyor Motor Drive ..........6 D.

  • Page 9: Description

    ITEM DESCRIPTION 55028 STOP,BACK SIDE CONV EXT 55027 STOP,SIDE END CONV EXT 59026 OWNER'S OPERATING & INSTALLATION MANUAL 42612 KIT,SUPPLEMENT SVC AGENCY LIST 33120-0056 PIPE,BLK 1-1/4" X 54" 22450-0130 BAG,POLY4MIL 9" X 12"W/MINI-GRIP 59155 BUSHING,HEYCO SB 1500-18 59099 Reflector 59098 Bracket, Reflector 59226 WLDMT, Bracket Reflector...

  • Page 11: Standoff Installation

    D. STANDOFF INSTALLATION 1 Place screw, P/N 19A15144, through counter-bored hole in standoff, P/N 48522, and screw into weld nut on rear shroud. 2. Repeat procedure for both sides.

  • Page 12: Conveyor

    Mount the new reflector bracket to the provided holes on the front right-hand side of the oven. The reflector should be po- sitioned just above the conveyor belt. Using an assistant, hold both back cover switches in the closed position. This will allow power to the photo-eye, and it will pro- vide a red beam for aiming.

  • Page 13: Connection

    Connection Refer to the wiring diagram inside the machinery compart- ment of the oven to determine the correct connections for the electrical supply lines. Connect the supply as indicated on the wiring diagram. CAUTION The terms of the oven's warranty require all start-ups, conver- sions and service work to be performed by a Middleby Marshall Authorized Service Agent.

  • Page 14: Connection

    D. PS770 Propane conversion Four items have to be changed, to change the oven to LP: Adjust internal burner air shutters. Replace main Orifices Replace (and adjust) the spring in the main valve (see LP kit) Adjust modulating valve bypass settings. Disconnect the manifold unions closest to the main burner, and remove the manifold assemblies (four screws each).

  • Page 15: Section 3 - Operation

    SECTION 3 - OPERATION C. Temperature Control/Display D. Message Bar E. Energy Level E. Energy Level Indicators Indicators B. Conveyor Time Setting A. Main On/Off Button I. LOCATION AND DESCRIPTION OF CONTROLS A. Main On/Off Button C. Temperature Control/Display Turns all oven functions on or off. If the oven is below the Displays the average set point of both right and left sides set point, it will rise to the set point and turn the conveyor of the oven.

  • Page 16: Normal Operation, Step-By-Step

    II. NORMAL OPERATION - STEP-BY-STEP- A. Daily Startup Procedure C. Energy Mode Screen 1. Check that the circuit breaker/fused disconnect is in 1. Mode Two - Pressing this button allows the user to set the amount of time that the oven allows before the On position.

  • Page 17: Energy Mode

    III. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION Oven will not No electrical power • Check that the circuit breaker/fused disconnect is on. Make turn On. sure the emergenct stop button is on. Oven will not No gas pressure • Make sure main gas is on. heat.

  • Page 21: Section 4 Maintenance

    E. Blower Belts To gain access to each blower belt compartment remove the four screws shown in Figure 4-8. Then, lift the rear shroud off its hangers. If access to the blower motors is required, remove the three mounting screws (two on the front of each shroud and one on the rear).

  • Page 22: Key Spare Parts Kit

    ITEM QTY. DESCRIPTION 61561 DISPLAY, GT32 COLOR 58678 MOTOR, CONVEYOR DRIVE 58679 CONVEYOR CONTROL BOARD 59169 INVERTER, PROGRAMMED M9608 POWER SUPPLY 59047 KIT, THERMOCOUPLE (5 THERMOCOUPLES) M9616 FAN, COOLING 57288 MOTOR, BLOWER 60837 AIR SWITCH BURNER/BLOWER MOTOR 60598 SWITCH, AIR .13″ WC 54727 IGNITION MODULE M9887...
  • Page 23 Wiring Diagrams (electrical schematics)

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