Table of Contents
Related Manuals for Lang LRO-1E
Summary of Contents for Lang LRO-1E
- Page 1 Installation, Operation, Maintenance, & Troubleshooting Model: LRO-1E- Rack Oven Lang Manufacturing Company 6500 Merrill Creek Parkway Everett, WA 98203 Rev. # A Phone: 425-349-2400 Fax: 425-349-2733 WWW.LANGWORLD.COM © Copyright 2002...
- Page 2 THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL. FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. POST IN A PROMINENT LOCATION: INSTRUCTIONS TO BE FOLLOWED IN THE EVENT USER SMELLS GAS.
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Page 3: Table Of Contents
TABLE OF CONTENTS CHAPTER PAGE 1. TABLE OF CONTENTS ................3 2. WARNING..................... 4 3. EQUIPMENT DESCRIPTION ..............7 4. INSTALLATION INSTRUCTIONS ............. 9 5. EMERGENCY OPERATION ............... 13 6. GENERAL OPERATION................14 7. PROGRAMMING..................16 8. GENERAL MAINTENANCE ............... 20 9. -
Page 4: Warning
DO NOT REMOVE A FLAMING PRODUCT FROM THE OVEN. SEVERE BURNS WARNING AND PROPERTY DAMAGE CAN RESULT. THIS LANG OVEN PRODUCES HUMIDITY THAT CAN CAUSE THE INTERIOR WARNING FLOORING AND ADJACENT EXTERIOR FLOORING TO BECOME SLIPPERY. USE EXTREME CAUTION WHEN WALKING ON A WET OR DAMP FLOOR. - Page 5 These examples are given for training purposes only. Actual settings will vary NOTICE based on product and preferences. Service on this, or any other, LANG appliance must be performed by qualified NOTICE personnel only. Consult your authorized service station directory or call the factory at 1-800-224-LANG (5264) or WWW.
- Page 6 WARNINGS CONT’D Air wing adjustment screw pairs must be tightened/loosened at the same time to NOTICE adjust the angle of the air wing. In other words, one screw of the pair must be tightened as the other screw is loosened. Air wings can be adjusted singly or together to modify a side-to-center bake.
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Page 7: Equipment Description
EQUIPMENT DESCRIPTION Data Plate On this plate you will find the oven model, serial number, electrical ratings, BTU’s, gas type, and clearance specification. Exterior Construction: The oven exterior dimensions are 55” (139.7 cm) wide x 105” (266.7 cm) high x 51” (129.5 cm) Deep. The Top, front, Back, and Sides are constructed of stainless steel with 5 inches of insulation. - Page 8 EQUIPMENT DESCRIPTION CONT’D Floor Drain This drain (customer supplied) receives the excess water from the steam generating system. Rack Carrier When the loading door is closed, the rack carrier lifts and rotates the oven rack. Rack Stop The two rack stops are located on the carrier and secure the oven rack in place during baking. The leading edge of the forward stop must manually flipped down to unload the oven rack.
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Page 9: Installation Instructions
15 days of delivery. All packing material should be kept for inspection. Do not return damaged merchandise to Lang Manufacturing Company. File your claim with the carrier. Pre-Installation Check the area where the oven is to be installed for the following: •... - Page 10 INSTALLATION CONT’D CAUTION FOR INSTALLATION IN CANADA THE INSTALLATION MUST BE IN ACCORDANCE WITH CAN/CGA-B149.1&2 OF THE INSTALLATION CODE, AND LOCAL CODES WHERE APPLICABLE. ALL ELECTRIC WIRING MUST BE IN ACCORDANCE WITH THE CURRENT CANADIAN ELECTRICAL CODE, C22.1 PART 1. GROUNDING THIS APPLIANCE MUST CONFORM TO CANADIAN ELECTRICAL CODE, CSA C22.2.
- Page 11 INSTALLATION CONT’D Setting Remove the vinyl protective coating from all of the exterior surfaces. Roll the oven into its final installed position. (You may wish to install the hood before locating the oven.) Adjust the left front leveling screw until the weight is removed from the wheel assembly. Remove the wheel assembly.
- Page 12 INSTALLATION CONT’D NOTICE Always ensure the grease filters supplied with the oven are used. Replacement filters may be obtained from a Lang representative. NOTICE No other exhaust systems may be connected to this system. Do not try to vent or exhaust another appliance into this hood.
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Page 13: Emergency Operation
INSTALLATION CONT’D Start-up: Remove all protective coatings from the oven surface, inside and out. Turn on the water supply to the oven. Check for leaks. Repair any leaks before proceeding. Confirm that all electrical connections are proper and all covers are in place. Confirm that the oven is properly grounded. -
Page 14: General Operation
GENERAL OPERATION THIS LANG OVEN PRODUCES HUMIDITY THAT CAN CAUSE WARNING THE INTERIOR FLOORING AND ADJACENT EXTERIOR FLOORING TO BECOME SLIPPERY. USE EXTREME CAUTION WHEN WALKING ON A WET OR DAMP FLOOR. The temperature outside the oven should not exceed 104° F (40°... - Page 15 GENERAL OPERATION CONT’D Loading Procedures Set the controls. Open the door (slowly). Wait for the rack carrier to stop and lower. Confirm that the rack stop is in the loading (LEADING FLAP UP) position. Align the top channels of the oven rack with the rack carrier and push the rack past the rack stop. Close the loading door.
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Page 16: Programming
PROGRAMMING Manual Operation: To operate the control without the use of pre-set programs, follow the instructions listed below. 1. Turn the oven on by pressing the “Power” button. The oven will automatically start preheating to the last set temperature. 2. Press either the up or down arrows until manual program is displayed. 3. - Page 17 PROGRAMMING CONT’D Preset Programs The oven has the capacity to program and save up to 36 programs. These programs are imputed in much the same way as the normal operation program except they will be saved and stay even after the computer has been turned off.
- Page 18 PROGRAMMING CONT’D Muffins: 400 Degrees for 18 minutes, no steam, 3 minutes fan delay, no vent Step Time 3:00 15:00 Temperature 400°F 400°F Steam Vent Turn oven on and select a recipe, press the “Program” button. Set the time to 3 minutes. Press the “Select”...
- Page 19 PROGRAMMING CONT’D French Bread: 425 degrees for 25 minutes, 25 seconds of steam, 1 minute of fan delay, 1 minute of vent, additional vent at the last minute. Step Time 00:25 : 45 1:00 22:00 1:00 Temperature 425°F 425°F 425°F 425°F 425°F Steam...
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Page 20: General Maintenance
To maintain optimum safety and performance for LANG Rack NOTICE oven models LRO-1E & LRO-2E, it is recommended that a program of scheduled periodic maintenance be implemented. It’s sole responsibility of the user to establish, schedule and enforce such a program. Although the actual service interval will... - Page 21 GENERAL MAINTENANCE CONT’D SINCE RESETS FOR THE CIRCULATION BLOWER MOTOR AND WARNING THE LIFTER MOTOR / ROTATOR MOTOR ARE AUTOMATIC, ALL POWER TO THE OVEN MUST BE TURNED OFF BEFORE SERVICING. Motor Reset One of the overload protectors may require resetting if the circulation blower does not start, quits or if the rack does not lift and rotate with the loading door closed.
- Page 22 GENERAL MAINTENANCE CONT’D IF BLOWER ROTATION IS INCORRECT, IT WILL CAUSE SEVERE CAUTION DAMAGE TO HEAT EXCHANGER Uneven Baking Cont’d If an uneven bake problem cannot be corrected by the procedure just described, check the following: Voltage at blower. If voltage varies too much or if voltage is too low, a bad bake may occur. Air conditioning around oven should not be blowing directly at or above oven.
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Page 23: Safety Considerations
SAFETY CONSIDERATIONS Your LANG oven was manufactured to rigid standards. The oven is ETL listed as a unit, and meets safety standards. The responsibility of the manufacturer is to supply suitable, comprehensive instructions and Recommendations for the operation and maintenance of the subject units. -
Page 24: Illustrated Parts Breakdown
PARTS LIST Item Part # Description Qty. 11090-34 Element, 208 Volt 11090-35 Element, 240 Volt 11090-36 Element, 480 Volt ETL File 3028821 Rev. A 2002... - Page 25 PARTS LIST CONT’D ITEM# PART # DESCRIPTION 70404-03 0-100 PSI AUGE 70404-05 10 PSI EGULATOR ATER 70302-39 , ½ NPT RASS IPPLE 70101-102 , ½ NPT RASS 70302-39 , ½ NPT RASS IPPLE 70403-03 OLENOID ALVE ATER 70307-08 , ½ X 3/8 EDUCER 41100-33 EMPERATURE...
- Page 26 PARTS LIST CONT’D ITMEM # QTY. PART # DESCRIPTION 50800-103 Main Handle Assembly 150-786 Female Hinge Assembly, Lower 150-786-1 Female Hinge Assembly, Upper 150-703 Escape Handle Assembly 71301-19 Window Assembly ETL File 3028821 Rev. A 2002...
- Page 27 PARTS LIST CONT’D Item No. Qty. Part No. Description 30500-16 Terminal Block 31800-12 3 Phase, 15 Amp Circuit Breaker 150-657 Dinrail, 6” 30700-15 Contactor, Circulation Blower 30707-03 Overload, Circulation Blower 31600-12 Light Ballast 30701-05 Relay, 24-Volt 31400-27 Transformer, 120/24-12 Volt 31400-31 Transformer 30707-01...
- Page 28 PARTS LIST CONT’D Item Part # Description Qty. 30500-11 Terminal Block, 2 Pole, 150 Amp 30700-03 Contactor, 3 Pole, 208/240 VAC, 40 Amp 31800-14 Circuit Breaker, 1 Phase, 50 Amp 31200-08 Ground Lug 31400-27 Transformer, 120/24 VAC ETL File 3028821 Rev.
- Page 29 PARTS LIST CONT’D ITMEM # QTY. PART # DESCRIPTION 30200-57 INEAR CTUATOR 50803-004 IFTER 150-138 ORK CLIP EFLON 150-137 150-135 IFTER ASHER 30301-02 ICRO WITCH 30308-05 WITCH 30401-26 HERMOSTAT 150-179 ICRO WITCH RACKET 150-158 ICRO WITCH CTUATOR ETL File 3028821 Rev.
- Page 30 PARTS LIST CONT’D ITMEM # QTY. PART # DESCRIPTION 50803-003 RIVE USHING 70200-11 USHING 70200-12 ASHER 73000-06 RIVE PROCKET 73500-05 OTOR PROCKET 40704-06 OTOR APACITOR 71500-12 OTATION OTOR 30200-56 RIVE OTOR 30301-15 OTATOR ICRO SWITCH 50803-002 RIVE OLLAR 70200-14 ASHER RICTION HRUST 70200-13...
- Page 31 PARTS LIST CONT’D ITEM# QTY. PART# DESCRIPTION 30200-59 LOWER OTOR 71500-14 LOWER 20601-07 ETAINING 150-368 USHING 71500-13 LOWER HEEL ETL File 3028821 Rev. A 2002...
- Page 32 PARTS LIST CONT’D ITEM # QTY. PART # DESCRIPTION 150-135 IGHT OUSING 31602-07 IGHT OCKET 31600-13 LUORESCENT 20201-09 5/16” W ASHER 50803-009 AMPER 150-790 AMPER 150-353 AMPER 150-349 AMPER OUNT 70403-04 120-V AMPER OLENOID ETL File 3028821 Rev. A 2002...
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Page 33: Wiring Diagrams
WIRING DIAGRAM 120 VAC To Vent Motor LINE LINE TR1-1 208/240 VAC L1 L2 L3 Heat P1-5 Circuit P1-6 L1 - T1,T7 L2 - T2,T8 L3 - T3,T9 (T4,T5,T6) 1 - 21 120 Volt 31 - 36 208/240 Volt 41 - 61 24 Volt Shielded 5 Volt DC... - Page 34 CONTROLS ELEMENTS CONTROLS ELEMENTS 1,2 & 3 4,5 & 6 7,8 & 9 NEUTRAL High Switch Limit Heat Call from MR-7 Circuit Board MOTOR RELAY NORMALY OPEN 120 VAC LANG MODEL LRO 1E HEATER CIRCUIT ETL File 3028821 Rev. A 2002...
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Page 35: Warranty
WARRANTY. sole responsibility of purchaser/user. VI. Lang Equipment is for commercial use only. If sold as a III. Lang, or an authorized service representative, will component of another(OEM) manufacturer’s equipment, or if repair or replace, at Lang’s sole election, and Lang...