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Nieco 952G Owner's Manual

Automatic gas broiler
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AUTOMATIC
FOODSERVICE
EQUIPMENT
AUTOMATIC GAS BROILER
MODELS 952G, 932G, AND 922G
OWNER'S MANUAL
IMPORTANT: RETAIN THIS MANUAL IN A SAFE PLACE
FOR FUTURE REFERENCE.
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.
Broiler area must be kept free of combustible materials, and the flow of combustion and ventilation air
must not be obstructed. Operating personnel must not perform any maintenance or repair functions.
Contact your Nieco Authorized Dealer.
In a prominent location, post instructions to be followed in the event the user smells gas. This information
shall be obtained by consulting your local gas supplier.

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Summary of Contents for Nieco 952G

  • Page 1 AUTOMATIC FOODSERVICE EQUIPMENT AUTOMATIC GAS BROILER MODELS 952G, 932G, AND 922G OWNER’S MANUAL IMPORTANT: RETAIN THIS MANUAL IN A SAFE PLACE FOR FUTURE REFERENCE. FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS General Information ........................4 Description Machine Installation ........................5 Pre-Installation Mounting Hood Requirements Clearance Gas Connection Electrical Connection Pre-Operation Check Gas Connectors and Restraining Device Operation ............................8 Controls and Indicators Gas System Controls Step-by-Step Lighting Procedure Shutdown Procedure Automatic Temperature Control Parts and Location ........................11 Exploded Drawings Assembly/Disassembly and Cleaning..................16...

  • Page 4: General Information

    Model 922 Gas DESCRIPTION The Nieco Automatic Gas Broiler is a compact self-contained unit designed to broil hamburgers or other food products by use of a conveyorized cooking section. The Models 952, 932 and 922 are return flow units with a built-in heated meat holding section.

  • Page 5: Machine Installation

    B. INSTALLATION PRE-INSTALLATION Uncrate the broiler, and inspect for shipping damage. Contact the factory if there is obvious damage. Remove the tape securing the machine parts, and install the parts in their proper location. Refer to the Parts and Location section of this manual. If you find concealed damage to any part of this unit, contact your freight carrier immediately.

  • Page 6: Electrical Connection

    Note: This appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.45 kPa). Note: This appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pres- sures equal to or less than 1/2 psig (3.45 kPa).
  • Page 7 INSTALLING GAS APPLIANCE CONNECTORS AND FLEXIBLE GAS LINES CORRECTLY WRONG RIGHT For safety in the kitchen area, and to insure maxi- Avoid sharp bends and Minimum pull of equip- mum service life, it is vitally important to correctly kinks when pulling equip- ment is permissible for install connectors.

  • Page 8: Operation

    C.OPERATION Control and Indicators Gas Pressure Gauge Not Pictured: Automatic Temperature Control (Behind Control Pushbutton Gas Valve (Red) Box) Motor Breaker Switch Motor Speed Control Power Indicator Light (Red) 5-Amp Fuse Main Power Switch Pilot Ignitor (Red) High Gas Indicator Light (Amber) Meat Holding Platen Control GAS SYSTEM CONTROLS...

  • Page 9: Step-By-Step Lighting Procedure

    STEP-BY-STEP LIGHTING PROCEDURE Before lighting, make sure that all parts are installed in the proper location, all controls are turned off, and the ventilation hood fan is turned on. 1. Turn on Main Power Switch. 2. Turn on Motor Switch. 3.

  • Page 10: Automatic Temperature Control

    AUTOMATIC TEMPERATURE CONTROL (ATC) The Nieco Automatic Temperature Control (ATC) is a system that operates the broiler at two different energy input rates; a high energy input for initial warm-up and periods of high volume, and low energy for regular operation. This dual input rate and the ATC allow the broiler to operate at a very consistent tem- perature throughout the day and thus provide a very consistently broiled product.

  • Page 11: Parts And Location

    D. PARTS AND LOCATION Model 952 Gas - Feed End View Model 952 Gas - Right Side View...
  • Page 12 Model 952 Gas - Left Side View P/N 8455 Model 932 Gas - Feed End View...
  • Page 13 Model 932 Gas - Right Side View Model 932 Gas - Left Side View P/N 8455...
  • Page 14 Model 922 Gas - Feed End View Model 922 Gas - Right Side View...
  • Page 15 Model 922 Gas - Left Side View...

  • Page 16: Assembly/Disassembly And Cleaning

    E. ASSEMBLY/DISASSEMBLY AND CLEANING If this appliance is connected to the gas supply by a flexible gas line and quick disconnect coupling, it must also be con- nected to a restraining device (see installation instructions). If the appliance is moved and then returned to its original position, it must be reconnected to the restraining device and the casters locked before resuming operation.
  • Page 17 FROM THE LEFT SIDE OF THE BROILER 9. Remove the Burner Access Cover. 10. Slide the Lower Burners out and remove the Protective Shields. Clean the shields by scraping off any built up residue, then soak in soap and water. Clean the shields daily.
  • Page 18 WEEKLY CLEANING 15. Remove the Lower Burners through the access hole in the side of the broiler. Clean the Distributor Screen and Venturi in the same fashion as the Upper Burners. Refer to instruction 16 below. 16. Remove the Upper Burners and clean as follows: B.

  • Page 19: Conveyor Belt Removal

    F. CONVEYOR BELT REMOVAL Before beginning, notice the way the belt runs through the broiler. Also notice the direction the knuckles face. Be sure to re-assemble in the same way. 1. Run belt until the Master Link is near the front idler shaft. 2.

  • Page 20: Conveyor Belt Tension

    G. CONVEYOR BELT TENSION Maintain proper tension on the conveyor belts to prevent jamming. Bearing spacers (pictured below) are supplied with the broiler to make minor tension adjustments. Major tension adjustments are made by removing a link or links from the belt. The diagram on the left shows the spacer in the stored position.

  • Page 21: Troubleshooting Guide

    H. TROUBLESHOOTING GUIDE Identify the problem in the left column, then look for probable causes and solutions in the center and right hand columns. Probable causes are listed in the order of “most likely to happen”. This sequence should be used to isolate the problem. Once the cause is found, refer to OPERATION or PARTS AND LOCATION section for further explanation of function or repair part needed.
  • Page 22 8. Motor control switch trips. 1. Conveyor chains jammed. 1. Remove jam. 2. Switch defective. 2. Replace. 3. Drive chain binding. 3. Adjust tension, lubricate. 4. Shorted wire to motor. 4. Repair. 5. Gear motor defective. 5. Repair or replace. 6.
  • Page 23 17. Broiled product sticks to con- 1. Stripper blades not adjusted properly. 1. Adjust by raising or lowering mounting veyor belt. bolts. 2. Product under broiled. 2. Slow belt speed. 3. Product too lean. 3. See MEAT GUIDE. 4. Product too thin. 4.

  • Page 24: Specifications

    I. SPECIFICATIONS Model 952 Gas REQUIREMENTS Energy -Gas Model Gas Connection 3/4” N.P.T. Electrical Connection 208-240Y120V 1Ø 50/60Hz 11A Avg. KW/Hr Consumption 1.1 Gas Consumption 75,000-96,000 BTU/Hr @ 3” W.C. (Nat.) or 8” W.C. (L.P.) Low Gas @ 5” W.C. (Nat.) or 11” W.C. (L.P.) High Gas Weight LBS.
  • Page 25 Model 932 Gas REQUIREMENTS Energy -Gas Model Gas Connection ⁄ ” N.P.T. Electrical Connection 208-240Y120V 1Ø 50/60Hz Avg. KW/Hr Consumption 1.1 Gas Consumption 54,000-70,000 BTU/Hr @ 3” W.C. (Nat.) or 8” W.C. (L.P.) Low Gas 5” W.C. (Nat.) or 11” W.C. (L.P.) High Gas Weight LBS.
  • Page 26 Model 922 Gas REQUIREMENTS Energy -Gas Model Gas Connection ⁄ ” N.P.T. Electrical Connection 208-240Y120V 1Ø 50/60Hz Avg. KW/Hr Consumption .8 Gas Consumption 33,000-44,000 BTU/Hr @ 3” W.C. (Nat.) or 8” W.C. (L.P.) Low Gas 5” W.C. (Nat.) or 11” W.C. (L.P.) High Gas Weight LBS.

  • Page 27: Wiring Diagrams

    J. WIRING DIAGRAM Models 952/932G - Domestic (U.S.A.)
  • Page 28 Models 952/932G - International (Export) Models...
  • Page 29 Model 922G - Domestic U.S.A.
  • Page 30 Model 922G - International (Export) Models...
  • Page 32 Nieco Corporation • 15 Guittard Rd. • Burlingame, CA • 94010 • (415) 697-7335 • Fax (415) 697-3014 Reorder # 9999-99111 10/97 Printed in the USA...

This manual is also suitable for:

932g922g

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