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Nieco 940 Gas Owner's Manual

Automatic gas broiler
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OWNER'S MANUAL
Do not store or use gasoline or other flammable vapors or liquids in
WARNING: Improper installation, adjustment, alteration, maintenance
can cause property damage, injury, or death. Read the installation,
operating and maintenance instructions thoroughly before installing
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.
FOODSERVICE
AUTOMATIC GAS BROILER
MODELS 940 GAS AND 960 GAS
IMPORTANT: RETAIN THIS MANUAL IN A SAFE PLACE
FOR FUTURE REFERENCE.
FOR YOUR SAFETY:
the vicinity of this or any other appliance.
or servicing this equipment.
AUTOMATIC
EQUIPMENT

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Summary of Contents for Nieco 940 Gas

  • 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

    TABLE OF CONTENTS General Information ........................4 Description Machine Installation ........................6 Pre-Installation Mounting Hood Requirements Clearance Gas Connection Electrical Connection Pre-Operation Check Gas Connectors and Restraining Device Operation ............................9 Controls and Indicators Gas System Controls Step-by-Step Lighting Procedure Shutdown Procedure Automatic Temperature Control Bun Platen Adjustment Parts and Location........................14 Model 960 &...

  • Page 4: General Information

    WITH ATC Description NIECO Model 940/960 Automatic Gas Broilers are compact, self-contained, flow-through units, which automatically broil hamburgers and grill buns. The broilers employ a 24” wide broil belt and gas burners in the meat cooking section. The lower bun grilling section uses an electrically heated platen to warm and brown buns which automatically pass beneath the platen on the 24”...
  • Page 5 HOW THE MODEL 940/960 WORKS NIECO Model 940/960 Broilers are divided into two sections. As illustrated below, the conveyorized top section broils burgers on both sides at the same time using infra-red energy that is regulated by the ATC. Broiled burgers discharge on the opposite side of the unit with a lightly charbroiled flavor and attractive sear marks on the bottom side.

  • Page 6: 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 7: 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 individ- ual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.45 kPa).
  • Page 8 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 9: Operation

    MODEL 940/960 CONTROLS AND INDICATORS Gas Pressure Gauge. Pressure readings should agree with those listed on the rating plate on the control box cover. If not, contact your NIECO authorized distributor. Fuse. High Gas On (amber). High Gas pressure solenoid is on.
  • Page 10 Main Gas Valve controls gas input to equipment. Main Gas Solenoid Valve opens when broiler main switch is turned on. Valve closes automatically if there is a power failure shutting off gas supply to broiler. OPERATING PROCEDURE In the following section, a brief step-by step sequence of lighting and operating procedures is given. For reference, a condensed lighting procedure is located on top of the control box.
  • Page 11 5. Remove broiler’s RIGHT SIDE PANEL so you will have access to pilot light ignition holes. NOTE: This may not be necessary if your broiler is equipped with electric PILOT IGNITOR. 6. Turn on MAIN GAS VALVE located on lower right side of broiler. See ATC instructions if applicable.
  • Page 12 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 rate of energy input for initial warm-up and high store volume periods, and a low rate of energy input for lower store volume periods.

  • Page 13: Shutdown Procedure

    HOW TO CALIBRATE THE ATC 1. Loosen control knob lock screw and set ATC control knob to 600°F. 2. Turn on main ON/OFF switch. 3. Turn on motor ON/OFF switch and set motor speed control so that the broil belt is travelling at the correct speed for the product.

  • Page 14: Parts And Location

    D. PARTS AND LOCATION 940 AND 960 GAS...
  • Page 15 D. PARTS AND LOCATION 940 AND 960 GAS...
  • Page 16 D. PARTS AND LOCATION 940 AND 960 GAS...

  • Page 17: Model 960 & 940

    In the following section a brief step-by- step sequence of the procedures for broiler disassembly and cleaning is given. For additional information or repair, contact your Nieco authorized distributor. If a flexible gas line, quick disconnect coupling and restraining device are...
  • Page 18 5. Remove GREASE DRAIN CHUTE and GREASE COLLECTOR BOX; clean daily with soap and water. 6. Remove REAR HEAT SHIELD located above patty belt; clean with soap and water. 7. Remove PATTY CATCH PAN and INSERT; clean daily with soap and water.
  • Page 19 9. Remove MEAT STRIPPER BLADE; clean daily with soap and water. 10. Remove CRUMB TRAY from rear of machine; clean daily with soap and water. 11. Remove BUN FEEDER from front of machine; clean daily with soap and water. 12. Remove PATTY FEEDER from front of machine;...
  • Page 20 13. Remove GREASE DRIP PAN from front of machine; clean daily with soap and water. 14. Remove LOWER BURNER REAR REFLECTOR; clean daily with soap and water. 15. Remove T-bar which is located between top burners. (Not used with 940, propane or disposable burners.

  • Page 21: Conveyor Belt Removal

    18. Bottom burners should be cleaned as follows: a. Remove PROTECTIVE SHIELD and clean daily with soap and water or carbonized grease remover (oven cleaner). b. Clean DISTRIBUTOR SCREEN and VENTURI weekly in the same fashion as the upper burners (see 17b and 17c). 19.

  • Page 22: Conveyor Belt Tension

    G. CONVEYOR BELT TENSION Maintain proper tension on the patty belt to prevent jamming. Bearing spacers (pictured below) are supplied with the broiler to make minor tension adjustments. Major tension adjustments are made by removing one or more links from the patty belt. CONDENSED CLEANING INSTRUCTIONS CAUTION: Do not salt food product while it is still on the patty belt.

  • Page 23: 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 24 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 25: Wiring Diagram

    WIRING DIAGRAM Models 940 & 960 Gas - DOMESTIC...
  • Page 26 WIRING DIAGRAM Models 940 & 960 Gas - EXPORT...
  • Page 27 NOTES:...
  • Page 28 Nieco Corporation • P.O. Box 4506 • 15 Guittard Road • Burlingame, CA • 94011 (650) 697-7335 • Fax: (650) 697-3014 • e-mail: nieco@nieco.com • www.nieco.com Re-order P/N 9999-34 12/98 Printed in the U.S.A.

This manual is also suitable for:

960 gas

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