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Middleby Cooking Systems Group PS870 Series manual

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Table of contents for the manual

  • Page 1

    OWNER'S OPERA TING AND INST ALLA TION MANUAL for domestic and standard export ovens ©2006 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 PS870 Series Gas Ovens P/N 59157 August[...]

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    3 MIDDLEBY MARSHALL INC. O VEN LIMITED W ARRANTY (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, an[...]

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    4 T able of Contents Page SECTION 1 DESCRIPTION .................................................................... 5 I . OVEN USES .................................................................... 5 I I. OVEN COMPONENTS .................................................... 5 A. Conveyor Motor Drive ..............................................[...]

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    8 ITEM QTY P / N D E S C R IPTION 1 1 55028 STOP,BACK SIDE CONV EXT 2 1 55027 STOP,SIDE END CONV EXT 3 1 59026 OWNER'S OPERATING & INSTALLATION MANUAL 4 1 42612 KIT,SUPPLEMENT SVC AGENCY LIST 5 1 33120-0056 PIPE,BLK 1-1/4" X 54" 6 1 22450-0130 BA G ,POLY4MIL 9" X 12"W/MINI-GRIP 7 1 59155 BUSHING,HEYCO SB 1500-18 8 1 590[...]

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    10 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 11

    11 CONVEYOR BELT REVERSAL Conveyor belt reversal consists of four steps: 1. Physically reversing the conveyor belt. 2. Moving the lower thermocouple. 3. Resetting direction jumper on the conveyor control board. 4. Switching the photo detector. REVERSING THE CONVEYOR BELT Remove the conveyor from the oven and find the master link location. Remove ma[...]

  • Page 12

    12 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 Marsha[...]

  • Page 13

    13 Certain safety code requirements exist for the installation of gas ovens; refer to the beginning of Section 2 for a list of the installation standards. In addition, because a the oven is equipped with casters, the gas line connection shall be made with a connector that complies with the Standard for Connec- tors for Movable Gas Appliances, ANSI [...]

  • Page 14

    14 SECTION 3 - OPERA TION LOCATION AND DESCRIPTION OF CONTROLS A. Main On/Off Button Turns all oven functions on or off. If the oven is below the set point, it will rise to the set point and turn the conveyor on. If it is turned off and the oven is above 200° F, the blowers will remain on until the oven drops below 200° F. B. Conveyor Time Settin[...]

  • Page 15

    15 NORMAL OPERATION - STEP-BY-STEP- A. Main Screen 1. When the unit has been “OFF” for more than 1 minute the controller will display the screen saver, as shown in Figure 3-1. To start operation, push the “Enter/ Reset” button. The controller will display the “OFF” screen, as shown in Figure 3-2. 3. To change the temperature, push the ?[...]

  • Page 16

    16 4. To change the conveyor belt speed, push the “TIME” button. The controller will display the screen, shown in Figure 3-5. To change the minute setting, push the “ ← ← ← ← ← ” arrow button. Then push either the “ ↑ ” arrow or “ ↓ ” arrow buttons to increase or decrease the time accord- ingly. To change the second se[...]

  • Page 17

    17 III. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION No electrical power • Check that the circuit breaker/fused disconnect is on. Make sure the emergenct stop button is on. Oven will not turn On. No gas pressure Burner did not light • Make sure main gas is on. • Turn oven off, and restart. If it still does not light, call for ser[...]

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    21 E. Blower Belts 1. 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). Then, lift the end shroud straight up and off its hangers. 2.[...]

  • Page 22

    12 3 4 5 10 15 16, 17, 18 19 ITEM QTY. P/N DESCRIPTION 1 1 59081 DI G ITAL DISPLAY, PROGRAMMED 2 1 58678 MOTOR, CONVEYOR DRIVE 3 1 58679 CONVEYOR CONTROL BOARD 4 2 59168 INVERTER, PROGRAMMED 5 1 M9608 POWER SUPPLY 6 1 59337 KIT, THERMOCOUPLE (6 THERMOCOUPLES) 7 2 M9616 FAN, COOLING 8 2 57288 MOTOR, BLOWER 9 A 1 57141 AI R SWI TCH BURNER/BLOWER MOTO[...]

  • Page 23

    Wiring Diagrams (electrical schematics) Middleby-Marshall Model Number G208-240 volt 50/60 Hz, 1 Phase 54745 Rev. I[...]

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