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Summary of Contents for Lang EHS-AP
- Page 1 Installation, Operation, & Maintenance Model: EHS-AP, Electric Full Size Convection Oven Lang Manufacturing Company 10 Sunnen Drive St. Louis, MO 63143 Rev. D Phone: 314-781-2777 Fax: 314-781-2714 Part # 2M-60800-44 WWW.LANGWORLD.COM...
- Page 2 THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL. DANGER POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH. WARNING POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY. CAUTION POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, MAY RESULT IN MINOR OR MODERATE INJURY.
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Page 3: Table Of Contents
TABLE OF CONTENTS CHAPTER PAGE TABLE OF CONTENTS ..................3 READ FIRST ......................4 EQUIPMENT DESCRIPTION ................6 UNPACKING......................7 INSTALLATION ....................8 INITIAL START-UP .................... 12 OPERATION ......................13 MAINTENANCE & CLEANING PROCEDURES..........15 TROUBLE SHOOTING ..................16 PARTS LIST ......................18 WIRING DIAGRAM .................... -
Page 4: Read First
10 minutes. Longer contact can cause corrosion. 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 5 REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY. USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY CAUTION LANG OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES. UL File # 8138...
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Page 6: Equipment Description
The oven is designed for five shelves and comes with five Chrome Plated Racks. The interior of the oven is constructed of stainless steel. Operation The EHS-AP oven is a forced air convection oven with a vented oven cavity. A 1/3 HP fan motor drives the air. Controls Easy to use manual control knobs. -
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: Installation
INSTALLATION DANGER THIS APPLIANCE MUST BE GROUNDED AT THE TERMINAL PROVIDED. FAILURE TO GROUND THE APPLIANCE COULD RESULT IN ELECTROCUTION AND DEATH. WARNING INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT. - Page 9 INSTALLATION CONT’D Reversing the door Disconnect oven from power. Remove the top and bottom door hinge covers (4) by removing the two 10-32 Phillip head screws (8). Remove the top door hinge bracket (1) from the oven by removing the two ¼-20 Phillip head screws (7).
- Page 10 INSTALLATION CONT’D Vent Cap Installation NOT REQUIRED IF OVEN HAS SOLID TOP! Vent Flange Screw (2x) Oven Top Step one: Attach vent flange to oven top with screws Vent Cover Oven Top Screw (2x) Step two: Attach vent cover to vent flange with screws Step three: Assembly is complete UL File # 8138 Rev.
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Page 11: Electrical Connection
A grounding lug is provided at the rear service entrance. The EHS-AP can be purchased with a Cord & Plug kit (Part number is listed in the parts portion of this manual.). This kit includes a 48” cord with a NEMA L15-30P... -
Page 12: 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 racks are in the oven correctly. • All packing materials have been removed from the inside of the oven. Power On Once oven has been turned on verify that the blower wheel is spinning freely in a clockwise position and that the elements are heating properly. -
Page 13: Operation
OPERATION Control Panel Power switch. PULSE FAN HI-SPEED Pulse fan switch. Pulse fan Dual speed switch. setting will only turn the fan Toggles the fan between on when the oven is calling high and low speed. for heat. LOW-SPEED TEMP Temperature Control. - Page 14 OPERATION CONT’D Hints & Suggestions 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. Cooking times can be shortened and cooking temperatures can be reduced. To convert standard deck oven recipes, reduce the temperature 50 degrees and the time by 25%.
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Page 15: Maintenance & Cleaning Procedures
MAINTENANCE & CLEANING WARNING KEEP WATER AND SOLUTIONS OUT OF CONTROLS. NEVER SPRAY OR HOSE CONTROL CONSOLE, ELECTRICAL CONNECTIONS, ETC. MOST CLEANERS ARE HARMFUL TO THE SKIN, EYES, MUCOUS CAUTION MEMBRANES AND CLOTHING. PRECAUTIONS SHOULD BE TAKEN TO WEAR RUBBER GLOVES, GOGGLES OR FACE SHIELD AND PROTECTIVE CLOTHING. -
Page 16: 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 causes refer to the TEST section and locate the Possible Cause then refer to test to identify test procedures. - Page 17 TROUBLESHOOTING CONT’D 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. WARNING BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS APPLIANCE WHEN THE UNIT IS PLUGGED/WIRED INTO A LIVE RECEPTACLE.
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Page 18: Parts List
PARTS LIST EHS-AP Half Size Convection Oven DESCRIPTION PART NO. Element EHS Oven 208 Volt 7500 Watts 2N-11090-20 Element EHS Oven 240 Volt 7500 Watts 2N-11090-21 Element EHS Oven 480 Volt 7500 Watts 2N-11090-22 Stacking Pins 2C-20108-01 Motor 1/3 HP 480 Volt 2 Speed...