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Lang Manufacturing LG-72S manual

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Table of contents for the manual

  • Page 1

    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 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[...]

  • Page 2

    1 T ABLE OF CONTENTS CHAPTER PAGE 1. TABLE OF CONTEN TS .......................................................................1 2. READ FIRST ........................................................................................2 3. EQUIPMENT DESCRIPT ION ...............................................................4 4. INSTA LLATION .........[...]

  • Page 3

    2 IMPORTANT READ FIRST IMPORTANT CAUTION: EACH UNIT IS EXTREMLY HEAVY. FOR SAFE HANDLING, INSTALLER SHOULD OBTAIN HELP AS NEEDED, OR EMPLOY A PPROPRIATE MATERIALS HANDLING EQUIPMENT (SUCH AS A FORKLIFT, DOLLY, OR PALLET JACK) TO REMOVE THE UNIT FROM THE SKID AND MOVE IT TO THE PLACE OF INSTALLATION. CAUTION: ANY STAND, COUNTER OR OTHER DEVICE ON WH[...]

  • Page 4

    3 IMPORTANT READ FIRST 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. CAREFULLY READ T[...]

  • Page 5

    4 EQUIPMENT DESCRIPTION ELECTRIC GRIDDLE EXTERIOR ♦ Griddle  The griddle dim ensions are 17” (43.18cm) High, 30” (76.20cm ) Deep, and width is dependent on the actual model number.  The Sides, Bottom, and R ear wall are constructed of double wall stainless steel, whic h allows closer installation to combustible surfaces.  The griddle[...]

  • Page 6

    5 INSTALLATION RECEIVING THE GRIDDLE Upon receipt, check for freight damage, both visible and c oncealed. Visible damage s hould be noted on the freight bill at the time of delivery and signed by the carrier's agent. C oncealed loss or damage means loss or dam age, which does not become apparent until the m erchandise has been unpacked. If con[...]

  • Page 7

    6 INSTALLATION CONT’D PHASING LG / LGS 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 si ngle phase. Rephasing the griddle i s not chargeable to Lang Manufacturing Company as warranty . To convert to single phase follow the chart below. [...]

  • Page 8

    7 ST ART -UPS ELECTRIC GRIDDLES Electric Griddle Start-Up 1) Verify connections at plug and terminal block 2) Incoming Volt - Single Phase L1-L2______ Three Phase L1-L2______ L2-L3______ L3-L1______ 3) Amp draw L1______ L2______ L3______ 6) Verify actual temperature at 350 ° F ________ ° F. Note: Install thermocouple wire in center of 12 section [...]

  • Page 9

    8 GENERAL GENERAL The suggested tim e and temperature chart (bel ow) is provided as a guide for the products listed only. CAUTION: ALWAYS KEEP THE AREA NEAR THE APPLIANCE FREE FROM COMBUSTIBLE MATERIALS. CAUTION: KEEP FLOOR IN FRONT OF EQUIPMENT CLEAN AND DRY. IF SPILLS OCCUR, CLEAN IMMEDIATELY, TO AVOID THE DANGER OF SLIPS OR FALLS. SUGGESTED TIME[...]

  • Page 10

    9 GENERAL CONT’D OPERATIONS An understanding of how the gri ddle sections are controlled will be a valuable aid in loading your griddle. Each 12 inch section of your griddle i s independently control led by a tem perature controller. The temperature control sensor is mounted in the center of each cooking section under the griddle plat e. If the p[...]

  • Page 11

    10 SEQUENCE OF OPERA TION LG Griddle 208/ 240 VAC to Thermost at. Thermostat turned on. 208/ 240 VAC to Elem ents. LGS Griddle Power sw itch turned to on: 208/240 VAC to poles of each sections contactor. 240/24 Transformer energized. Individual section switch turned to on. 24VAC across pins 9 & 7 on comput er board. Temperature set. 24 VAC acro[...]

  • Page 12

    11 TROUBLESHOOTING LG Griddle: PROBLEM SOLUTION Whole griddle will not heat  Confirm that Circuit breakers are on.  Confirm that griddle i s connected properly. One Section will not heat  Confirm that elem ents have power.  Confirm that therm ostat is operating properl y. LGS Griddle PROBLEM SOLUTION Whole Griddle will not heat  Conf[...]

  • Page 13

    12 TROUBLESHOOTING CONT’D Pane Bella PROBLEM SOLUTION Grill will not heat  Confirm that incoming power is correct.  Check thermostat for norm al operation.  Check elements for proper operation.  Confirm that there are no breaks in the wires. XL Hood PROBLEM SOLUTION Hood will not heat  Confirm that incoming power is correct.  Ch[...]

  • Page 14

    13 TECHNICAL DATA ELEMENT RESISTANCE  208 / 240 Volt I/S 11030-29 LG Griddle 9 Ω / 9.6 Ω 23 / 25 Am ps  208 Volt O/S 11030-30 LG Griddle 29 Ω 8 Amps  480 Volt 11030-31 LG Griddle 38 Ω 12.5 Amps  120 Volt Bottom 11030-51 PB Griddle 13.5 Ω 9 Amps  120 Volt Top 11030-50 PB Griddle 17 Ω 7 Amps  208/240 Volt Bottom 11030-40[...]

  • Page 15

    14 TECHNICAL DA T A CONT’D PROBE RESISTANCE TEMP RESISTANCE VOLT DROP TEMP RESISTANCE VOLT DROP 70 ° 556 Ω 1.11 290 ° 881 Ω 1.76 80 ° 569 Ω 1.14 300 ° 897 Ω 1.79 90 ° 583 Ω 1.17 310 ° 914 Ω 1.83 100 ° 596 Ω 1.19 320 ° 931 Ω 1.86 110 ° 610 Ω 1.22 330 ° 948 Ω 1.90 120 ° 623 Ω 1.25 340 ° 965 Ω 1.93 130 ° 637 Ω [...]

  • Page 16

    15 WIRING DIAGRAM LG 208/240[...]

  • Page 17

    16 WIRING DIAGRAM LG 480[...]

  • Page 18

    17 WIRING DIAGRAM LG-S 208/240[...]

  • Page 19

    18 WIRING DIAGRAM LGS 480[...]

  • Page 20

    19 PB-24 208/240 WIRING DIAGRAM[...]

  • Page 21

    20 PB-12 120 WIRING DIAGRAM[...]

  • Page 22

    21 PB-12, 208/240 WIRING DIAGRAM[...]

  • Page 23

    22 XL HOOD[...]

  • Page 24

    23 LG-24, LG-36, LG-48, LG-60, LG-72 ELECTRIC GRIDDLE DESCRIPTION PART NO. Element Griddle 380 Volt 5991 Watts 11030-04 Element Griddle 208/240 Volt I/S 4500/5991 Watts 11030-29 Element Griddle 208 Volt O/S 1491 Watts 11030-30 Element Griddle 480 Volt 5991 Watts 11030-31 Thermostat 550 ° F Griddle (Grooved Griddles Only) 30402-07 Thermostat 450 °[...]

  • Page 25

    24 LG-24S, LG-36S, LG-48S, LG-60S, LG-72S ELECTRIC SELECTRONIC GRIDDLE DESCRIPTION PART NO. Element Griddle 208/240 Volt I/S 4500/5991 Watts 11030-29 Element Griddle 208 Volt O/S 1491 Watts 11030-30 Element Griddle 480 Volt 5991 Watts 11030-31 Switch Toggle On-Off 30303-06 Switch Temperature Control 12 Position 174-450 ° F (Before D-70205) 30304-1[...]

  • Page 26

    25 PB-24 ELECTRIC PANE BELLA GRIDDLE DESCRIPTION PART NO. Element Lower 208/240 Volt 900 Watts 11030-40 Element Upper 208/240 Volt 720 Watts 11030-41 Stud Grill Plate 10-24 x 1” 20101-13 Stud Grill Plate 10-24 x 1 1/4” 20101-14 Screw, Crumb Tray Knob 20101-24 Thermostat 500 ° F Griddle (Before A-86009) 60101-92 Thermostat 567 ° F Griddle (Bef[...]

  • Page 27

    26 PB-12 ELECTRIC PANE BELLA GRIDDLE DESCRIPTION PART NO. Element Lower 115 Volt 900 Watts 11030-51 Element Upper 115 Volt 720 Watts 11030-52 Stud Grill Plate 10-24 x 1” 20101-13 Stud Grill Plate 10-24 x 1 1/4” 20101-14 Screw, Crumb Tray Knob 20101-24 Thermostat 650 ° F Griddle 30402-36 Terminal Strip 30500-03 Timer Mechanical 15 Min. 30801-02[...]

  • Page 28

    27 XL-24, XL-36, XL-48, XL-60, XL-72 ELECTRIC QUARTZ COMBO GRIDDLE DESCRIPTION PART NO. Element Griddle 208/240 Volt I/S 4500/5991 Watts 11030-29 Element Griddle 208 Volt O/S 1491 Watts 11030-30 Element Griddle 480 Volt 5991 Watts 11030-31 Quartz Lamp 208V 1200 Watts 2ft Socket Type (Serial Prefix A Only) 11160-03 Quartz Lamp 240V 1200 Watts 2ft So[...]