Lang Manufacturing DO75 Installation Manual

Installation,

Operation, and

Maintenance

Instructions

Electric Air Door Pizza Oven

Model: DO75

Star Manufacturing International 10 Sunnen Drive St. Louis, MO.63143-3800
Part Number: 2M-W477 Ph: 314-781-2777 Fax: [phone]

Rev.-

WWW.STAR-MFG.COM February 5, 2010

THE INFORMATION IN THIS MANUAL IS CRUCIAL AND MUST BE
RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND
FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS
MANUAL.

DANGER

WARNING

CAUTION

NOTICE

POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH.

POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY.

POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT
AVOIDED, MAY RESULT IN MINOR OR MODERATE INJURY.

Helpful operation and installation instructions and tips are
present.

FOR YOUR SAFETY

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS
AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.

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:

Star Manufacturing International 10 Sunnen Drive St. Louis, MO.63143-3800
Part Number: 2M-W477 Ph: 314-781-2777 Fax: [phone]

Rev.-

WWW.STAR-MFG.COM February 5, 2010

TABLE OF CONTENTS

CHAPTER PAGE

TABLE OF CONTENTS..............................................................................3

READ FIRST ..............................................................................................4

SAFETY PROCEDURES ........................................................................... 6

EQUIPMENT DESCRIPTION.....................................................................7

UNPACKING ..............................................................................................8

INSTALLATION..........................................................................................9

INITIAL START UP.....................................................................................11

OPERATION...............................................................................................12

MAINTENANCE & CLEANING...................................................................13

TROUBLE SHOOTING...............................................................................15

ILLUSTRATED PARTS BREAKDOWN......................................................17

PARTS LIST...............................................................................................18

WIRING DIAGRAM 208/240V....................................................................20

WIRING DIAGRAM 480V...........................................................................21

UL File E8138

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CAUTION

DANGER

WARNING

THE OVEN WEIGHS 850 LBS. 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 (850 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 AND PLUMBING. 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 located behind the screened door under the control
panel. 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.

NOTICE

CAUTION

WARNING

CAUTION

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 from 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.

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.

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NOTICE

WARNING

CAUTION

Service on this, or any other, LANG appliance must be performed by qualified
personnel only. Consult your LANG authorized service agent directory or call
the factory at 1-800-807-9054 or visit our website WWW.STAR-MFG.COM , for the

service agent 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
STAR OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY INJURY
TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL
WARRANTIES.

UL File E8138

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SAFETY PROCEDURES

Lockout Procedure

1. Announce lockout to other personnel.

2. Turn both heat and control power off at main panel.

3. Clear unit of all personnel.

4. Test lockout by turning power switch on and observing if fan(s) come on. Check
heater circuit with voltmeter.

5. Perform necessary repairs or tests.

6. Clear unit of personnel before restarting.

7. Turn power on at main panel.

8. Announce unit is “on” to other personnel.

Safety Precautions

The manufacturer, Star Manufacturing, hereby disclaims any and all responsibility for
injury, damage, loss or other claim that may occur to person or property form improper
alteration, modification, addition, operation, maintenance or service, whether it be
mechanical, electrical, fuel, operator motor or otherwise, which may occur from such
improper alteration, modification, addition, operation, maintenance or service to this
piece of equipment.

Safety Considerations

Your Lang Pizza Oven is manufactured to rigid standards. This equipment is N.S.F and
U.L. listed and meets safety and sanitation standards.

The presence of safety equipment control and interlocks on an appliance and attendant
components of installation cannot in and of themselves, assure absolute safety of
operation. Diligent, capable, well trained operators and maintenance personnel, as well
as proper programs of operation and maintenance, are essential to the safe and reliable
operation of this appliance.

A. The responsibility of the manufacturer is to supply suitable, comprehensive

instructions and recommendations for the operation and maintenance of the
appliance.

B. Trained qualified and factory-authorized personnel must perform all operation,

maintenance and repair of these appliances. It is the responsibility of the owner/
operator to ensure that this happens.

C. A regular periodic program of cleaning, inspection and maintenance must be

established and comprehensive maintenance records maintained. It is the sole
responsibility of the user to establish, schedule and enforce the frequency and
scope of these programs in keeping with recommended practice and with due
consideration given to actual operating conditions.

D. The appliance must be operated within the limits, which will not exceed the working

limits of any component within the appliance as a whole.

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EQUIPMENT DESCRIPTION

Star Model: DO75

Air Door Pizza Oven

Exterior

The oven dimensions are 21” (53.34cm) High, 46” (116.84cm) Deep, and 75”
(190.5cm) Wide.

The Sides, Bottom, and Rear wall are constructed stainless steel.
The Pizza oven has a 46.5” (118.11cm) Wide X 8.5” (21.59cm) High opening.

Interior

The interior dimensions are 55.25” (140.35cm) Wide, 36” (91.44cm) Deep, and 8.5”
(21.59cm) High.

The interior is designed for baking directly on the cordierite deck surface of the
oven.

Oven Capacity

8” Pizza 28 each

10” Pizza 15 each
12” Pizza 12 each
14” Pizza 8 each
16” Pizza 6 each
18” Pizza 6 each

Controls

The oven power switch turns on the Air Door, which is a gentle curtain of hot air that
flows up across the oven opening preventing any heat from escaping the oven.

The oven is provided with both an upper and a bottom-heating element. The upper
element is visible in the top of the oven the lower oven element is under the
cordierite deck of the oven.

Both of these oven elements can be regulated with independently controlled three
heat switches. These switches provide the proper ratio of top and bottom heat.

The oven is also provided with an adjustable thermostat that controls the overall
average temperature of the oven from 300°F-650°F (149-343

°C).

UL File E8138

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UNPACKING

Receiving the Oven

Upon receipt, check for freight damage, both visible and concealed. Visible damage
should be noted on the freight bill at the time of delivery and signed by the carrier's
agent. Concealed loss or damage means loss or damage, which does not become
apparent until the merchandise has been unpacked. If concealed loss or damage is
discovered upon unpacking, make a written request for inspection by the carrier's
agent within 15 days of delivery. All packing material should be kept for inspection.
Do not return damaged merchandise to Star Manufacturing Company. File your
claim with the carrier.

Location

Prior to un-crating, move the oven as near its intended location as practical. The
crating will help protect the unit from the physical damage normally associated with
moving it through hallways and doorways.

Un-crating

The oven will arrive completely assembled inside a wood frame covered by
cardboard box and strapped to a skid.

Remove the cardboard cover, cut the straps and remove the wood frame.

CAUTION

CAUTION

CAUTION

The oven may now be removed from the skid.

THE OVEN WEIGHS 850 LBS. 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 (850 LBS.).

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

INSTALLING THE LEGS

Legs are available for the single, double, and triple deck installations. Single deck installations
require a 34-inch leg. Double deck installations require a 25-inch and triple deck installations
require a 6-inch leg.

To install the 34-inch legs, place some cardboard on the floor and gently tip the oven onto its
back. Fasten two legs to the oven front corners using the four 5/16 inch bolts provided in the leg
kit. Lift the oven onto its front legs and block the back up using one of the 34-inch legs set upside
down in the center rear of the oven body. Install the last 34-inch leg onto the oven body on the
control side rear. Gently lift the oven rear, remove the leg set to support the oven center and
install it on the last rear corner. To install the 25-inch legs follow the same directions for the 34­inch legs before stacking the second deck onto the bottom deck.

To install the 6-inch legs follow the same directions for the 34-inch legs before stacking the
second deck onto the bottom deck.

UL File E8138

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