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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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TABLE OF CONTENTS CHAPTER PAGE 1. TABLE OF CONTENTS .......................................................................1 2. READ FIRST ........................................................................................2 3. EQUIPMENT DESCRIPTION...............................................................4 4. INSTALLATION....................................................................................5 5. START-UP.............................................................
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IMPORTANT READ FIRST IMPORTANT CAUTION: EACH UNIT IS EXTREMLY HEAVY. FOR SAFE HANDLING, INSTALLER SHOULD OBTAIN HELP AS NEEDED, OR EMPLOY APPROPRIATE 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 WHICH GRIDDLE WILL BE LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE GRIDDLE. CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CA
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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 THE WARNING AND FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER TO BE USED. NOTICE: Service on this, or any other, LANG applia
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EQUIPMENT DESCRIPTION ELECTRIC GRIDDLE EXTERIOR ♦ Griddle The griddle dimensions are 17” (43.18cm) High, 30” (76.20cm) Deep, and width is dependent on the actual model number. The Sides, Bottom, and Rear wall are constructed of double wall stainless steel, which allows closer installation to combustible surfaces. The griddle surface is made of 1” thick, highly polished steel to reduce hot and cold spots, recovery problems, warping, and ensure even heat to the edges of the griddle.
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INSTALLATION RECEIVING THE GRIDDLE Upon receipt, check for freight damage, both visible and concealed. Visible damage should be noted on the freight bill at the time of delivery and signed by the carrier's agent. Concealed loss or damage means loss or damage, which does not become apparent until the merchandise has been unpacked. If concealed loss or damage is discovered upon unpacking, make a written request for inspection by the carrier's agent within 15 days of delivery. All pack
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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 single phase. Rephasing the griddle is not chargeable to Lang Manufacturing Company as warranty. To convert to single phase follow the chart below. Model Three Phase Single Phase Number Line 1 Line 2 Line 3 Line1 Line 2 LG-24 1,4 2 3 1,3 2,6 LG-36 1,4 2,5 3,6 1,3,5 2,4,6 LG-48 1,4,7 2,5,8 3,6
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START-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 for that control area. Let griddle cycle off and on 3 times before recording temperature. Model #_______
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GENERAL GENERAL The suggested time and temperature chart (below) 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 TIMES AND TEMPERATURES TEMPERATURE PRODUCTS TIME (MIN) (F) HAMBURGER 350 2 patties per LB 350 6 to 8 4 patties per LB 350 4 to 6 6
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GENERAL CONT’D OPERATIONS An understanding of how the griddle sections are controlled will be a valuable aid in loading your griddle. Each 12 inch section of your griddle is independently controlled by a temperature controller. The temperature control sensor is mounted in the center of each cooking section under the griddle plate. If the product is loaded directly over the temperature sensor, that section will turn on and the burner will heat the entire cooking section. If the product
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SEQUENCE OF OPERATION LG Griddle 208/ 240 VAC to Thermostat. Thermostat turned on. 208/ 240 VAC to Elements. LGS Griddle Power switch 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 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
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TROUBLESHOOTING LG Griddle: PROBLEM SOLUTION Whole griddle will not heat Confirm that Circuit breakers are on. Confirm that griddle is connected properly. One Section will not heat Confirm that elements have power. Confirm that thermostat is operating properly. LGS Griddle PROBLEM SOLUTION Whole Griddle will not heat Confirm that incoming power is correct. Confirm that power switch is operating properly. Confirm that Transformer is operating properly. One section will n
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TROUBLESHOOTING CONT’D Pane Bella PROBLEM SOLUTION Grill will not heat 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. XL Hood PROBLEM SOLUTION Hood will not heat Confirm that incoming power is correct. Check elements for proper operation. Confirm that power switch is operating properly. Check Hi-Temp switch for normal operation. Check Tilt switch for normal
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TECHNICAL DATA ELEMENT RESISTANCE 208 / 240 Volt I/S 11030-29 LG Griddle 23 / 25 Amps 9 Ω / 9.6 Ω 208 Volt O/S 11030-30 LG Griddle 8 Amps 29 Ω 480 Volt 11030-31 LG Griddle 12.5 Amps 38 Ω 120 Volt Bottom 11030-51 PB Griddle 13.5 Ω 9 Amps 120 Volt Top 11030-50 PB Griddle 7 Amps 17 Ω 208/240 Volt Bottom 11030-40 PB Griddle 4 / 3 Amps 48 Ω / 64 Ω 208/240 Volt Top 11030-41 PB Griddle 3.5 / 3 Amps 60 Ω / 80 Ω 104 Volt 11160-26-1 XL Hood 11 Ω 9.5 Amps 120 Volt 11160-27-1 XL Hoo
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TECHNICAL DATA CONT’D PROBE RESISTANCE TEMP RESISTANCE VOLT DROP TEMP RESISTANCE VOLT DROP 1.11 1.76 70° 556 Ω 290° 881 Ω 80° 569 Ω 1.14 300° 897 Ω 1.79 1.17 1.83 90° 583 Ω 310° 914 Ω 1.19 1.86 100° 596 Ω 320° 931 Ω 1.22 1.90 110° 610 Ω 330° 948 Ω 120° 623 Ω 1.25 340° 965 Ω 1.93 1.27 1.97 130° 637 Ω 350° 983 Ω 1.3 2.00 140° 651 Ω 360° 1000 Ω 1.33 2.04 150° 665 Ω 370° 1018 Ω 160° 678 Ω 1.36 380° 1036 Ω 2.07 1.39 2.11 170° 694 Ω 390° 1054 Ω 1.42 2.14 180° 709 Ω 400°
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WIRING DIAGRAM LG 208/240 15
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WIRING DIAGRAM LG 480 16
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WIRING DIAGRAM LG-S 208/240 17
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PB-24 208/240 WIRING DIAGRAM 19
