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Nieco 880 Owner's Manual

Automatic gas broiler
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AUTOMATIC
FOODSERVICE
EQUIPMENT
AUTOMATIC GAS BROILER
MODELS 880/885 GAS, 824/850 GAS AND 624/650 GAS - "B" Series
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, 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 880

  • Page 1 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.

  • Page 3: Table Of Contents

    Shutdown Procedure Automatic Temperature Control Bun Platen Adjustment Assembly/Disassembly and Cleaning..................11 Conveyor Belt Removal .......................14 Conveyor Belt Tension ........................15 Broil Belt Problems Parts and Location ........................16 Model 880/885 Model 824/850 Model 624/650 Trouble Shooting Guide ......................25 Specifications ..........................27 Wiring Diagrams...........................30...

  • Page 4: General Information

    Nieco system offers un-matchable product quality and consistency. The Model 880/885 uses a total of 8 gas burners - 4 on top and 4 on the bottom. The Model 824/850 uses a total of 6 gas burners - 3 on top and 3 on the bottom. The Model 624/650 uses 4 burners - 2 top and 2 bottom.

  • Page 5: Pre-Installation

    LEVELING Make sure that the broiler is level. Factory stands are equipped with adjustable casters. HOOD REQUIREMENTS This appliance must be installed under a ventilation hood of adequate size and capacity: Model 880/885 1100 1869 824/850 1360 624/650 1020 The hood should be at least 6"...

  • Page 6: Electrical Connection

    pilot tubing and inlet connections as soon as the appliance is connected to the gas supply. 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).
  • 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 Controls and Indicators Gas Gauge Recommended Settings: Natural Gas - 3” Low, 5” High Propane - 8” Low, 11” High Gas Safety Valve (red push button) Motor Breaker Switch Motor Speed Control 5 Amp Fuse Main On/Off Switch Pilot Ignitor Power On Indicator Lamp (red)

  • 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: Assembly/Disassembly And Cleaning

    D. 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 12 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. This will help to prolong the life of the burner and keep the broiler cooking properly.
  • Page 13 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 14: Conveyor Belt Removal

    E. 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 15: Conveyor Belt Tension

    F. 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 16: Parts And Location

    G. PARTS AND LOCATION Model 880/885 Gas - Feed End View...
  • Page 17 G. PARTS AND LOCATION Model 880/885 Gas - Left Side View...
  • Page 18 G. PARTS AND LOCATION Model 880/885 Gas - Right Side View...

  • Page 19: Model 824/850

    G. PARTS AND LOCATION Model 824/850 Gas - Feed End View...
  • Page 20 Model 824/850 Gas - Right Side View...
  • Page 21 Model 824/850 Gas - Left Side View...

  • Page 22: Model 624/650

    Model 624/650 Gas - Feed End View...
  • Page 23 Model 624/650 Gas - Right Side View...
  • Page 24 Model 624/650 Gas - Left Side View...

  • Page 25: Troubleshooting Guide

    H. Troubleshooting Guide PROBLEM PROBABLE CAUSES SOLUTION 1. Pilot Burner dirty, or orifice plugged. Pilot Burners won't light. 1. Clean pilot burner, replace orifice. 2. Push button valve not fully depressed. 2. Repeat start-up procedure. 3. Air in pilot line. 3.
  • Page 26 PROBLEM PROBABLE CAUSES SOLUTION 1. Conveyor belt jammed Motor control switch trips. 1. Remove jam, reset switch. 2. Switch defective. 2. Replace. 3. Drive chain binding. 3. Adjust tension of chain. 4. Shorted wire to motor. 4. Repair wire. 5. Gear motor defective. 5.

  • Page 27: Specifications

    I. SPECIFICATIONS Model 880/885 INCH IMENSIONS Length 1270 Height ⁄ 1638 Width ⁄ NERGY ODELS Gas connection 3/4” N.P.T. Electrical Connection (specify exact voltage) Domestic 208-240Y120V 1Ø 50/60Hz 21A Export 200-240V 1Ø 50/60Hz 21A Avg. kW/hr Natural Gas 3” W.C.
  • Page 28 I. SPECIFICATIONS Model 824/850 INCH IMENSIONS Length ⁄ 1010 Height ⁄ Width ⁄ NERGY ODELS Gas connection 3/4” N.P.T. Electrical Connection (specify exact voltage) Domestic 208-240Y120V 1Ø 50/60Hz 11A Export 200-240V 1Ø 50/60Hz 11A Avg. kW/hr Natural Gas 3” W.C. 5”...
  • Page 29 Model 624/650 Gas INCH IMENSIONS Length ⁄ Height ⁄ Width ⁄ NERGY ODELS Gas connection 1/2” N.P.T. Electrical Connection (specify exact voltage) Domestic 208-240Y120V 1Ø 50/60Hz 11A Export 200-240V 1Ø 50/60Hz 11A Avg. kW/hr Natural Gas 3” W.C. 5” W.C. BTU/hr 54,000 70,000...

  • Page 30: Wiring Diagrams

    J. WIRING DIAGRAM 624/50, 824/50, 880/85 Gas - Domestic U.S.A.
  • Page 31 J. WIRING DIAGRAM 624/50, 824/50, 880 Gas - Export...
  • Page 32 Nieco Corporation • 15 Guittard Rd. • Burlingame, CA • 94010 • (650) 697-7335 • Fax (650) 697-3014 Reorder # 9999-99103 7/01 • www.nieco.com • e-mail: nieco@nieco.com Printed in the USA MP © 2001 Nieco Corporation...

This manual is also suitable for:

B series885824850624650

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