Lang Manufacturing 2F11-CLS-U Service Manual

Installation, Operation, Maintenance, & Troubleshooting

Model: 2F11-CLS-U,

Serial: ___________

Full Size Double Stack Convection Oven

Lang Manufacturing Company 6500 Merrill Creek Parkway Everett, WA 98203
Rev. # A Phone: [phone] Fax: [phone]

WWW.LANGWORLD.COM © Copyright 2001

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.
THIS INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL
GAS SUPPLIER. AS A MINIMUM, TURN OFF THE GAS AND CALL YOUR
GAS COMPANY AND YOUR AUTHORIZED SERVICE AGENT. EVACUATE
ALL PERSONNEL FROM THE AREA.

WARNING: IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION,
SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE, INJURY
OR DEATH. READ THE INSTALLATION, OPERATING AND MAINTENANCE
INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS
EQUIPMENT.

Model #: Purchased From:

Serial #: Location:

Date Purchased: Date Installed:

Purchase Order #: For Service, Call:

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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. WARRANTY..................................................................................................17

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IMPORTANT READ FIRST IMPORTANT

CAUTION:

CAUTION:

CAUTION:

DANGER:

WARNING:

NOTICE:

NOTICE:

NOTICE:

CAUTION:

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.

ANY STAND, COUNTER OR OTHER DEVICE ON
WHICH OVEN WILL BE LOCATED MUST BE
DESIGNED TO SUPPORT THE WEIGHT OF THE
OVEN (430 LBS.).

SHIPPING STRAPS ARE UNDER TENSION AND CAN
SNAP BACK WHEN CUT.

THIS APPLIANCE MUST BE GROUNDED AT THE
TERMINAL PROVIDED. FAILURE TO GROUND THE
APPLIANCE COULD RESULT IN ELECTROCUTION
AND DEATH.

INSTALLATION OF THE UNIT MUST BE DONE BY
PERSONNEL QUALIFIED TO WORK WITH
ELECTRICITY. IMPROPER INSTALLATION CAN
CAUSE INJURY TO PERSONNEL AND/OR DAMAGE
TO EQUIPMENT. UNIT MUST BE INSTALLED IN
ACCORDANCE WITH ALL APPLICABLE CODES.

The data plate is behind the access panel under the
controls. The oven voltage, wattage, serial number,
wire size, and clearance specifications are on the
data plate. This information should be carefully read
and understood before proceeding with the
installation.

The installation of any components such as a vent
hood, grease extractors, fire extinguisher systems,
must conform to their applicable National, State and
locally recognized installation standards.

During the first few hours of operation you may
notice a small amount of smoke coming off the oven,
and a faint odor from the smoke. This is normal for a
new oven and will disappear after the first few hours
of use.

ALWAYS KEEP THE AREA NEAR THE APPLIANCE
FREE FROM COMBUSTIBLE MATERIALS.

KEEP FLOOR IN FRONT OF EQUIPMENT CLEAN
AND DRY. IF SPILLS OCCUR, CLEAN IMMEDIATELY,
TO AVOID THE DANGER OF SLIPS OR FALLS.

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IMPORTANT READ FIRST IMPORTANT

WARNING:

CAUTION:

NOTICE:

WARNING:

CAUTION:

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 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.

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.

BOTH HIGH AND LOW VOLTAGES ARE PRESENT
INSIDE THIS APPLIANCE WHEN THE UNIT IS
PLUGGED/WIRED INTO A LIVE RECEPTACLE. BEFORE
REPLACING ANY PARTS, DISCONNECT THE UNIT
FROM THE ELECTRIC POWER SUPPLY.

USE OF ANY REPLACEMENT PARTS OTHER THAN
THOSE SUPPLIED BY LANG OR THEIR AUTHORIZED
DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE
OPERATOR AND DAMAGE TO THE EQUIPMENT AND
WILL VOID ALL WARRANTIES.

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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.

• The oven doors are constructed of stainless steel.

• The door handles are constructed of stainless steel.

• The oven cavity is insulated with high temperature insulation for efficiency and reduced

heat loss.

Interior

• The oven cavity dimensions are 29” (73.5 cm) wide x 20” (50.8 cm) high x 23” (58.4 cm) deep.

• The oven comes standard with four chrome-plated racks.

• The interior of the oven is constructed of stainless steel.

Operation

• The F-11 is a forced air convention oven with a vented oven cavity.

• The air is driven by a 1/3 HP fan motor.

Controls

Power switch: Turns the oven on and off.

Timer: Allows for adjustment up to 60 minutes.

Thermostat:

Allows for easy temperature adjustment from 150°F-450°F.

Technical

• Oven operates as shipped on 480-volt three phase.

• Floor space required is 46” (117cm) wide x 41” (104cm) deep.

• The oven weighs 430 lb. (195 Kilograms).

• The ovens are stackable and can include stacking kit if requested.

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