Lang 2F11-CLS-S Installation, Operation, Maintenance, & Troubleshooting

Full size double stack convection oven

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Installation, Operation, Maintenance, & Troubleshooting
Model: 2F11-CLS-S,
Full Size Double Stack Convection Oven
Serial: ___________
Lang Manufacturing Company
6500 Merrill Creek Parkway
Everett, WA 98203
Rev. # A
Phone: 425-349-2400 Fax: 425-349-2733
WWW.LANGWORLD.COM
© Copyright 2001

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Summary of Contents for Lang 2F11-CLS-S

  • Page 1 Installation, Operation, Maintenance, & Troubleshooting Model: 2F11-CLS-S, Full Size Double Stack Convection Oven Serial: ___________ Lang Manufacturing Company 6500 Merrill Creek Parkway Everett, WA 98203 Rev. # A Phone: 425-349-2400 Fax: 425-349-2733 WWW.LANGWORLD.COM © Copyright 2001...
  • 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.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS CHAPTER PAGE 1. TABLE OF CONTENTS................3 2. READ FIRST ....................4 3. EQUIPMENT DESCRIPTION...............6 4. UNPACKING ....................7 5. INSTALLATION....................9 6. INITIAL START-UP ..................10 7. OPERATION ....................11 8. CLEANING & MAINTENANCE PROCEDURES ........12 9. TROUBLESHOOTING..................13 10. PARTS LISTS....................15 11. WIRING DIAGRAMS ...................16 12.
  • Page 4: Read First

    IMPORTANT READ FIRST IMPORTANT CAUTION: THE OVEN WEIGHS 430 LBS. (195 KILOGRAMS). 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.
  • Page 5 WARNING AND FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER TO BE USED. NOTICE: Service on this, or any other, LANG appliance must be performed by qualified personnel only. Consult your authorized service station directory or call the factory at 1-800-224-LANG (5264), or WWW.LANGWORLD.COM...
  • Page 6: Equipment Description

    EQUIPMENT DESCRIPTION Lang Model: F-11 Electric Full-Size Convention Oven Exterior Construction • The oven exterior dimensions are 40” (101.6 cm) wide x 27” (68.6 cm) high x 39.5” (100 cm) Deep. The Top, Front, Back, Sides, and Bottom are all constructed of stainless steel.
  • Page 7: Unpacking

    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.
  • Page 8: Stacking The Ovens

    UNPACKING CONT’D STACKING THE OVENS Stacking kits include: 4 each of 4’ 150°C, 10 AWG copper wire. 4 each of locating pins (3/4”- IOUNC x 2 1/2” long). 1 each of 1 3/8” heyco bushing. Remove the five plug buttons from the top panel of the lower oven. Install the insulating bushing in the hole provided on the top panel of the lower deck for the electrical leads to connect the top deck to the lower deck.
  • Page 9: Installation

    Power connections can be made at a service connection behind the access door. Oven Voltage The Lang Model 2F11-CLS-S oven is operated on 440-volt power source. The Amp draw, KW and rating are listed in the table below. K.W Per Phase...
  • Page 10: Initial Start-Up

    INITIAL START UP PRE-POWER ON After the oven is installed and connected to power, prior to turning on, verify the following: • The door opens and closes freely. • All four racks are in the oven correctly. • All packing materials have been removed from the inside of the oven. POWER ON When the oven is first turned on the motor will start to run and the indicator lights will light.
  • Page 11: Operation

    OPERATION Hints & Suggestions 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. Convection ovens constantly circulate air over and around the product. This strips away the thin layer of moisture and cool air from around the product allowing heat to penetrate more quickly.
  • Page 12: Cleaning & Maintenance Procedures

    Care should be taken to prevent caustic cleaning compounds from coming in contact with the blower wheel. • The oven racks, rack slides, and interior may be cleaned using Lang Mfg. Foam Deluxe (72804-36) oven cleaner. • Discoloration or heat tint may be removed using Lang Mfg. Carbon Release (72804-32) oven cleaner.
  • Page 13: Troubleshooting

    TROUBLESHOOTING Symptoms What follows is a chart of Symptoms and Possible Causes to aid in diagnosing faults with the oven. Refer to the Symptoms column to locate the type of failure then to the Possible Cause for the items to be checked. To test for a possible cause refer to the TEST section and locate the Possible Cause then refer to test to identify test procedures.
  • Page 14 TROUBLESHOOTING CONT’D TESTS NOTICE: Service on this, or any other, LANG appliance must be performed by qualified personnel only. Consult your authorized service station directory or call the factory at 1-800-224-LANG (5264), or WWW.LANGWORLD.COM For the service station nearest you.
  • Page 15: Parts Lists

    PARTS LIST 2F11-CLS-S ELECTRIC CONVECTION OVEN DESCRIPTION PART NO. Element F11 Oven 11090-14 Motor 1/3 HP 30200-03 Switch Micro Convection Oven Door 30301-02 Switch Toggle On-Off 30303-06 Boot Threaded Black 30303-15 30401-09 Thermostat Safety 490°F Open 30402-27 Thermostat 450°F Oven...
  • Page 16: Wiring Diagrams

    WIRING DIAGRAM...
  • Page 17: Warranty

    United States, Hawaii and Canada. VI. Lang Equipment is for commercial use only. If sold as a component of another(OEM) manufacturer’s equipment, or if Quartz elements are warranted for ninety(90) days from used as a consumer product, such Equipment is sold AS IS the date of installation.

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