Lang LG-24 Service Manual

Lang LG-24 Service Manual

Lang manufacturing company griddle lg-24s, lg-36s, lg-48s, lg-60s, lg-72s, lg-24, lg-36, lg-48, lg-60, lg-72 xl-24, xl-36, xl-48 pb-12, pb-24 user guide

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Service Manual for the Lang Models:
LG-24S, LG-36S, LG-48S, LG-60S, LG-72S,
LG-24, LG-36, LG-48, LG-60, LG-72
XL-24, XL-36, XL-48
PB-12, PB-24
Lang Manufacturing Company
6500 Merrill Creek Parkway
Everett, WA 98203
Phone: 1-800-224-5264 Fax: 1-425-349-2733
www.langworld.com
©Copyright 2000

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Summary of Contents for Lang LG-24

  • Page 1 Service Manual for the Lang Models: LG-24S, LG-36S, LG-48S, LG-60S, LG-72S, LG-24, LG-36, LG-48, LG-60, LG-72 XL-24, XL-36, XL-48 PB-12, PB-24 Lang Manufacturing Company 6500 Merrill Creek Parkway Everett, WA 98203 Phone: 1-800-224-5264 Fax: 1-425-349-2733 www.langworld.com ©Copyright 2000...
  • Page 2: Table Of Contents

    CHAPTER TABLE OF CONTENTS ...1 READ FIRST ...2 EQUIPMENT DESCRIPTION...4 INSTALLATION ...5 START-UP...7 GENERAL OPERATION ...8 SEQUENCE OF OPERATION ...10 TROUBLESHOOTING ...11 TECHNICAL DATA...13 10. WIRING DIAGRAMS ...15 11. PARTS LIST ...23 TABLE OF CONTENTS PAGE...
  • Page 3: Read First

    SKID AND MOVE IT TO THE PLACE OF INSTALLATION. CAUTION: ANY STAND, COUNTER OR OTHER DEVICE ON WHICH GRIDDLE WILL BE LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE GRIDDLE. CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT.
  • Page 4 IMPORTANT WARNING: KEEP WATER AND SOLUTIONS OUT OF CONTROLS. NEVER SPRAY OR HOSE CONTROL CONSOLE, ELECTRICAL CONNECTIONS, ETC. CAUTION: MOST CLEANERS ARE HARMFUL TO THE SKIN, EYES, MUCOUS MEMBRANES AND CLOTHING. PRECAUTIONS SHOULD BE TAKEN TO WEAR RUBBER GLOVES, GOGGLES OR FACE SHIELD AND PROTECTIVE CLOTHING.
  • Page 5: Equipment Description

    16” (40.5 cm) Deep and width is dependent on model number. CONTROLS The Electric Griddle is available either with the Lang Accu-Temp (LG-24, 36, 48, 60, 72) controls or the Lang Selectronic (LG-24S, 36S, 48S, 60S, 72S): ♦ LG (ACCU-TEMP) Each twelve-inch section has its own easy to use manual thermostat with a temperature range from 175°F to 450°F in 50°...
  • Page 6: Installation

    There is (1) one 1 1/4-inch conduit knockout on 2, 3, and 4-foot griddles located at the rear of the griddle, through the back and the bottom of the griddle body. There are (2) two 1 1/4-inch conduit knockouts provided on the 5 and 6 foot griddles.
  • Page 7 All griddles are shipped from the factory set up for a three- phase service. Rearrange the wires in the power supply terminal block to convert the griddle to single phase. Rephasing the griddle is not chargeable to Lang Manufacturing Company as warranty. To convert to single phase follow the chart below.
  • Page 8: Start-Up

    L2______ L3______ 6) Verify actual temperature at 350 °F Note: Install thermocouple wire in center of 12 section for that control area. Let griddle cycle off and on 3 times before recording temperature. Model #_______ Date_______ Serial #________ Store #___________...
  • Page 9: General Operation

    Note: The times and temperatures in this chart are intended as a general guide and starting point. Your actual times and temperatures may vary from this chart. If different temperature settings are to be used, select one side of the griddle and operate at the lowest temperature. Adjoining sections should be set at progressively higher temperatures.
  • Page 10 Turn the product and continue cooking until it has reached its desired degree of doneness. Remove the product from the griddle. When reloading the griddle, first use the griddle surface on which a previous load was not placed. This will help insure the proper griddle temperature.
  • Page 11: Sequence Of Operation

    24VAC across pins 9 & 7 on computer board. Temperature set. 24 VAC across pins 8 & 6 on computer board. Contactor energizes. Elements heat up. Pane Bella Griddle 120/208/240 VAC to 12 Pole terminal strip. 120/208/240 VAC to Thermostat. Temperature set. 120/208/240 VAC to elements.
  • Page 12: Troubleshooting

    Whole Griddle will not heat One section will not heat SOLUTION Confirm that Circuit breakers are on. Confirm that griddle is connected properly. Confirm that elements have power. Confirm that thermostat is operating properly. SOLUTION Confirm that incoming power is correct.
  • Page 13 Pane Bella PROBLEM Grill will not heat XL Hood PROBLEM Hood will not heat TROUBLESHOOTING CONT’D SOLUTION Confirm that incoming power is correct. Check thermostat for normal operation. Check elements for proper operation. Confirm that there are no breaks in the wires. SOLUTION Confirm that incoming power is correct.
  • Page 14: Technical Data

    104 Volt 120 Volt TRANSFORMER RESISTANCE TRANSFORMER Part # 240/24 Volt 31400-10 CONTACTOR RESISTANCE CONTACTOR Part # 2 Pole 24 Volt coil 30701-04 GRIDDLE LINE AMPERAGE, AND WATTAGE MODEL TOTAL NUMBER K.W. 208 Volt 24” 12.0 50.0 28.8 36” 18.0 50.0...
  • Page 15 PROBE RESISTANCE TEMP RESISTANCE 556 Ω 70° 569 Ω 80° 583 Ω 90° 596 Ω 100° 610 Ω 110° 623 Ω 120° 637 Ω 130° 651 Ω 140° 665 Ω 150° 678 Ω 160° 694 Ω 170° 709 Ω 180° 724 Ω...
  • Page 16: Wiring Diagrams

    WIRING DIAGRAM LG 208/240...
  • Page 17 WIRING DIAGRAM LG 480...
  • Page 18 WIRING DIAGRAM LG-S 208/240...
  • Page 19 WIRING DIAGRAM LGS 480...
  • Page 20 PB-24 208/240 WIRING DIAGRAM...
  • Page 21 PB-12 120 WIRING DIAGRAM...
  • Page 22 PB-12, 208/240 WIRING DIAGRAM...
  • Page 23 XL HOOD...
  • Page 24: Parts List

    Grooved Griddle Cleaning Tool – Replacement Blades Element Pan Assembly Knob Thermostat 550°F (Grooved Griddles Only) Knob Thermostat 450°F Legs 4” Stainless Steel Wiring Harness (LG-24 1ea, LG-60 1ea) Wiring Harness (LG-36 1ea, LG-60 1ea, LG-72 2ea) Wiring Harness (LG-48) 11030-04 11030-29...
  • Page 25 Element Griddle 480 Volt 5991 Watts Switch Toggle On-Off Switch Temperature Control 12 Position 174-450°F (Before D-70205) Switch Temperature Control 12 Position 174-450°F (After D-70205) Terminal Strip 4 Pole, LG-24 Terminal Strip 6 Pole, LG-36 Terminal Strip 8 Pole, LG-48 Terminal Block 3 Pole...
  • Page 26 Screw, Crumb Tray Knob Thermostat 500°F Griddle (Before A-86009) Thermostat 567°F Griddle (Before B-87780) Thermostat 550°F Griddle (W/ Serial Prefix B After B-87780) Thermostat 650°F Griddle (Serial Prefix C, D & E) Terminal Strip 6 Pole (After B-87780) Terminal Block 2 Pole (Before A-86009) Timer Mechanical 15 Min.
  • Page 27 ELECTRIC PANE BELLA GRIDDLE DESCRIPTION Element Lower 115 Volt 900 Watts Element Upper 115 Volt 720 Watts Stud Grill Plate 10-24 x 1” Stud Grill Plate 10-24 x 1 1/4” Screw, Crumb Tray Knob Thermostat 650°F Griddle Terminal Strip Timer Mechanical 15 Min.
  • Page 28 XL-24, XL-36, XL-48, XL-60, XL-72 ELECTRIC QUARTZ COMBO GRIDDLE DESCRIPTION Element Griddle 208/240 Volt I/S 4500/5991 Watts Element Griddle 208 Volt O/S 1491 Watts Element Griddle 480 Volt 5991 Watts Quartz Lamp 208V 1200 Watts 2ft Socket Type (Serial Prefix A Only)

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