Service Manual for the Lang Models:
0-2-10-3, 0-2-10-4, 0-2-10-5
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
TABLE OF CONTENTS
CHAPTER PAGE
1. TABLE OF CONTENTS.......................................................................1
2. READ FIRST ....................................................................................... 2
3. EQUIPMENT DESCRIPTION..............................................................4
4. INSTALLATION...................................................................................5
5. START-UP...........................................................................................7
6. GENERAL OPERATION .....................................................................8
7. SEQUENCE OF OPERATION.............................................................10
8. TROUBLESHOOTING......................................................................... 11
9. TECHNICAL DATA.............................................................................. 13
10. WIRING DIAGRAM.............................................................................. 14
11. PARTS LIST........................................................................................ 15
1
IMPORTANT READ FIRST IMPORTANT
CAUTION: EACH IS HEAVY. FOR SAFE HANDLING, INSTALLER
SHOULD OBTAIN HELP AS NEEDED, OR EMPLOY
APPROPREATE 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
OVEN WILL BE LOCATED MUST BE DESIGNED TO
SUPPORT THE WEIGHT OF THE OVEN.
CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CAN
SNAP BACK WHEN CUT.
DANGER: THIS APPLIANCE MUST BE GROUNDED AT THE
TERMINAL PROVIDED. FAILURE TO GROUND THE
APPLIANCE COULD RELUT IN ELECTOCUTION 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. UNIT MUST BE INSTALLED IN
ACCORDANCE WITH ALL APPLICABLE CODES
WARNING: BEFORE LIGHTING, USE A SOAP AND WATER
SOUTION TO TEST ALL JOINTS FOR GAS LEAKS.
WARNING: DURING INITIAL USE, OR AFTER SERVICE, IF PILOT
DOES NOT IGNITE ON FIRST TRY THE MAIN GAS
VALVE MUST BE TURNED OFF FOR AT LEAST FIVE
MINUTES.
NOTICE: The data plate is located left side of unit behind control
door. The melter voltage, gas specs, serial number,
pipe size, and clearance specifications are on the data
plate. This information should be carefully read and
understood before proceeding with the installation.
NOTICE: 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.
NOTICE: 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.
2
IMPORTANT READ FIRST IMPORTANT
WARNING:
CAUTION:
CAUTION:
CAUTION:
NOTICE:
WARNING:
CAUTION:
KEEP WATER AND SOLUTIONS OUT OF CONTROLS.
NEVER SPRAY OR HOSE CONTROL CONSOLE,
ELECTRICAL CONNECTIONS, ETC.
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.
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.
3
EQUIPMENT DESCRIPTION
GAS MELTER
EXTERIOR
!
The melter dimensions are 28” (71cm) High, 21” (53cm) Deep, 36”, 48”, 60” (91cm, 122cm, 152cm)
wide dependent on the actual model number.
!
The Sides, Bottom, and Rear wall are constructed stainless steel.
!
The melter cavity is insulated with high temperature insulation for efficiency and reduced heat loss.
INTERIOR
!
The interior of the melter has one rack that can be placed in 4 different positions.
!
The interior of the melter has a rack sensitive micro-switch for quick and easy activation.
CONTROLS
♦ AUTOMATIC
!
Main burner will only come on when the rack sensitive micro-switch is activated. If there
is nothing on the rack the melter is in a standby mode with only the pilot light on.
♦ CONTINUOUS
!
Main burner is on all the time.
4