Lang RF-21S Series Istruzioni operative

Lang Manufacturing Company 6500 Merrill Creek Parkway Everett, WA 98203

Rev. # A Phone: 425-349-2400 Fax: 425-349-2733

Installation, Operation, Maintenance, & Troubleshooting

Model: RF-21S, Range

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:

TABLE OF CONTENTS

CHAPTER PAGE

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

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

3. EQUIPMENT DESCRIPTION.......................................................................6

4. UNPACKING.................................................................................................7

5. INSTALLATION............................................................................................8

6. INITIAL START-UP......................................................................................10

7. OPERATION..................................................................................................11

8. MAINTENANCE & CLEANING PROCEDURES......................................12

9. TROUBLESHOOTING..................................................................................13

10. PARTS LISTS.................................................................................................14

11. WIRING DIAGRAMS....................................................................................15

12. WARRANTY..................................................................................................16

IMPORTANT READ FIRST IMPORTANT

CAUTION: THE RANGE WEIGHS 410 LBS. (186 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.

CAUTION: ANY STAND, COUNTER OR OTHER DEVICE ON

WHICH RANGE WILL BE LOCATED MUST BE

DESIGNED TO SUPPORT THE WEIGHT OF THE

RANGE (410 LBS.).

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 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.

UNIT MUST BE INSTALLED IN ACCORDANCE WITH

ALL APPLICABLE CODES.

NOTICE: The data plate is located right of Range top controls.

The range 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: 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 unit,

and a faint odor from the smoke. This is normal for a

new range and will disappear after the first few hours

of use.

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.

IMPORTANT READ FIRST IMPORTANT

WARNING: KEEP WATER AND SOLUTIONS OUT OF CONTROLS.

NEVER SPRAY OR HOSE CONTROL CONSOLE,

ELECTRICAL CONNECTIONS, ETC.

CAUTION: 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.

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. BEFORE

REPLACING ANY PARTS, DISCONNECT THE UNIT

FROM THE ELECTRIC POWER SUPPLY.

CAUTION: 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.

EQUIPMENT DESCRIPTION

Lang Model: RF21S

Electric Range

Exterior

!The Range dimensions are 8” (20.3 cm) High, 38” (96.5cm) Deep, and 36” (91.5cm)

Wide.

!The Sides, Bottom, and Rear wall are constructed stainless steel.

The Range surface can come in 5 different configurations.

Controls

The RF21 Series Rang is available with various controls depending upon model

number. Shown below is a layout of each top configuration with its proper model

number and a brief description of the controls.

The RF21S Ranges can come with a either a standard bake oven, convection oven,

or just as a range top.

RF21S-H or 36S-20

Six French plates controlled by six 6-

heat switches.

RF21S-C or 36S-2

Three Hot Tops controlled by three

850°thermostats.

RF21S-G or 36S-10

One 36”x24” Griddle controlled by

one 450°thermostat.

RF21S-A or 36S-0

One 24”x24” griddle controlled by Two 450°thermostats

and Two French plates controlled by two 6-heat switches.

RF21S-D or 36S-3A

Two 12”x24” Hot tops controlled by two 850°thermostats

and two French plates controlled by two 6-heat switches.

Receiving the Range

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 Lang Manufacturing Company.

File your claim with the carrier.

Location

Prior to un-crating, move the range 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 range 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: RANGE WEIGHS 410 LBS (186 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.

CAUTION: ANY STAND, COUNTER OR OTHER DEVICE ON WHICH

RANGE WILL BE LOCATED MUST BE DESIGNED TO

SUPPORT THE WEIGHT OF THE OVEN (410 LBS.).

CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CAN

SNAP BACK WHEN CUT.

Remove range from skid and place in intended location.

INSTALLING THE LEGS

Legs or Casters are available and must be specified upon ordering.

To install the 6-inch legs, remove the legs from the range packing, place some

cardboard on the floor and gently tip the range onto its back. Fasten the legs into

the threaded holes provided and then gently flip the oven onto its legs.

To install the 6-inch casters, remove the casters from the oven cavity, place some

cardboard on the floor and gently tip the range onto its back. Attach the casters to

the adapter plates. Install the four adapter plates (one in each corner with the flange

pointed toward the oven). Gently tip the oven onto its casters.

UNPACKING

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. UNIT MUST BE INSTALLED IN

ACCORDANCE WITH ALL APPLICABLE CODES.

NOTICE: The data plate is located right of range top 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.

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.

ELECTRICAL CONNECTION

The electrical connection must be made in accordance with local codes or in the

absence of local codes with NFPA No. 70 latest edition (in Canada use: CSA

STD. C22.1).

Place spacers, (ie. 2 x 4 wood block not supplied) at the front and rear of the oven

top.

Place the range top on the spacers that are located on top of the oven.

The six wire leads to supply electricity to the cook top are bundled under the front

bottom of the top. Route these wires through the bushing provided in the oven top.

Align the four locating pins in the bottom corner of the top with the four holes in

each corner of the oven top.

Remove the spacers and lower the top onto the oven.

CAUTION: MAKE SURE THE SIX WIRE LEADS TO SUPPLY

ELECTRICITY TO THE COOK TOP ARE NOT CRIMPED

BETWEEN THE OVEN AND RANGE TOP.

WARNING: MAKE SURE THE MAIN POWER SUPPLY TO THE RANGE

IS TURNED OFF AT THE SOURCE PRIOR TO

CONNECTING POWER TO THE RANGE.

The range can now be connected to power.

CAUTION: BE SURE THE POWER SUPPLY VOLTAGE

MATCHES THE VOLTAGE SPECIFIED ON THE

NAMEPLATE LOCATED ON THE FRONT OF THE

RANGE.

Use the wiring diagram provided in this manual for determining the connections of the cook top wires to the oven terminal block.

Three Phase Single Phase

208 Volt 240 Volt 480 Volt 208 V 240 V

Range style Total

K.W.

Conn L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2

Top Only 15.0 41.7 41.7 41.7 36.1 36.1 36.1 18.1 18.1 18.1 72.1 62.5

Convection

Oven 21.6 48.3 69.2 62.5 41.9 59.9 54.2 20.5 29.5 27.7 103.8 90.0

Bake Oven 21.0 45.8 66.7 62.5 39.7 57.8 54.2 19.9 28.9 27.1 101.0 87.5

Phasing

Three Phase Single Phase

INSTALLATION CONT’D

INITIAL START UP

Hot Plates

To "dry out" the Hot Plate, set the thermostat dial at 250°F and turn on the power

switch. Allow unit to cycle at least 15 minutes at this heat level. Reset the

thermostat to 350°F allowing the same time. Then reset the thermostat to 450°F

allowing the same time. Continue doing this until you reach 850°then allow the

unit to maintain this temperature for a minimum of 4 hours. More time may be

required if the unit has to operate in a moist environment.

If the unit is out of use for three or more days, a one-hour preheat schedule should

be used, especially when exposed to high humidity and/or cool temperatures.

French Plates

To “dry out” the French Plate, set the six-heat switch to the first setting and turn on

the power switch. Allow unit to cycle at least 15 minutes at this heat level. Reset

the six-heat switch to position 2 and allow the same time. Reset the six-heat switch

to position 3 and allow the same time. Continue doing this until you reach position

6 then allow the unit to maintain the temperature for a minimum of 4 hours. More

time may be required if the unit has to operate in a moist environment.

If the unit is out of use for three or more days, a one-hour preheat schedule should

be used, especially when exposed to high humidity and/or cool temperatures.

Griddles

To “dry out” the Griddle, set the thermostat to 250°and turn on the power switch.

Allow the unit to cycle at least 15 minutes at this heat level. Reset the thermostat to

350°allow the same time. Reset the thermostat to 450°and allow the unit to

maintain the temperature for a minimum of 4 hours. More time may be required if

the unit has to operate in moist environment.

If the unit is out of use for three or more days, a one-hour preheat schedule should

be used, especially when exposed to high humidity and/or cool temperatures.

NOTICE: During the first few hours of operation you may notice a

small amount of smoke coming off the range, and a

faint odor from the smoke. This is normal for a new

range and will disappear after the first few hours of use.

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