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ELECTRIC COOKTOP
COS-244ECC
COS-304ECC
COS-365ECC
User Manual
IMPORTANT SAFETY INSTRUCTIONS: Carefully
read the following important information
regarding installation safety and maintenance.
Keep these instructions for future reference.
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THANK YOU FOR YOUR PURCHASE
Thank you for your purchase! We know that you have many brands and products
to choose from and we are honored to know that you have decided to take one of
our products into your home and hope that you enjoy it.
COSMO appliances are designed according to the strictest safety and performance
standards for the North American market. We follow the most advanced
manufacturing philosophy. Each appliance leaves the factory after thorough quality
inspection and testing. Our distributors and our service partners are ready to answer
any questions you may have regarding how to install, use and care for your products.
We hope that this manual will help you learn to use the product in the safest and
most effective manner.
If you have any questions or concerns, please contact the dealer from whom you
purchased it, or contact our Customer Support Team at 1-888-784-3108, or visit
cosmoappliances.com.
Please read the important safety instructions before using the appliance for your
own safety, and to reduce the risk of hazards such as injury, fire and electrical shock.
Please keep this manual for future use.
Once again, thank you!
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TABLE OF CONTENTS
SAFETY & WARNINGS .......................................................... 4-5
OPERATING INSTRUCTIONS ..................................................6-11
Cooktop Controls ........................................................................6-7
Dual Zone Element .........................................................................8
Ceramic Glass Cooktop Surface ..................................................9
Cookware .......................................................................................10
Home Canning ...............................................................................11
CARE & MAINTENANCE ............................................................12
General Cleaning .........................................................................12
Ceramic Glass Cleaning ..............................................................12
Cooktop Knob Cleaning .............................................................12
PRODUCT DIAGRAMS .........................................................13-15
COS-244ECC ..................................................................................13
COS-304ECC .................................................................................14
COS-365ECC ..................................................................................15
TROUBLESHOOTING .................................................................16
WARRANTY & SERVICE .......................................................17-18
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SAFETY & WARNINGS
SAVE THESE INSTRUCTIONS
FOR FUTURE REFERENCE.
This is the safety
alert symbol.
This symbol alerts you to
potential hazards that can kill or
hurt you and others.
All safety messages follow the
safety alert symbol and one of the
following words:
DANGER!: You can be killed or
seriously injured if you do not
immediately follow instructions.
WARNING!: You can be killed
or seriously injured if you don't
follow instructions.
CAUTION!: Hazards or unsafe
practices COULD result in minor
personal injury if you don't follow
instructions.
Always read and obey all safety
messages.
WARNING!: To reduce the risk of fire,
electrical shock, injury to persons, or
damage when using the cooktop, follow
basic precautions, including the following
safety and warnings.
CAUTION!: DO NOT store items in
cabinets above the cooktop that is of
interest to children. Children climbing on
the cooktop to reach items could be
seriously injured.
THIS PRODUCT IS INTENDED FOR
HOUSEHOLD USE ONLY.
Be sure your cooktop is properly
installed and grounded by a
qualified technician.
DO NOT repair or replace any part
of the cooktop unless specifically
recommended in the manual. All
other servicing SHOULD be
referred to a qualified technician.
Wear proper apparel. Loose-fitting
or hanging garments SHOULD
NEVER be worn while using the
cooktop.
DO NOT store flammable
materials near cooktop or surface
burners.
Only certain types of glass, glass/
ceramic, ceramic, earthenware, or
other glazed utensils are suitable
for cooktop service without
breaking due to the sudden
change in temperature.
Utensil handles SHOULD be
turned inward and not extend over
adjacent surface units. To reduce
the risk of burns, ignition of
flammable materials and spillage
due to unintentional contact with
the utensil, the handle of a utensil
SHOULD be positioned so that it
is turned inward, and does not
extend over adjacent surface
units.
DO NOT use water on grease
fires. Smother fire or flame or use
dry chemical or foam-type
extinguisher.
NEVER leave surface units
unattended at high heat
settings. Boilover causes
smoking and greasy spillovers that
may ignite.
Children SHOULD NOT be left
alone or unattended in the area
where the cooktop is in use.
They SHOULD NEVER be
allowed to sit or stand on any part
of the cooktop.
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SAFETY & WARNINGS
DO NOT touch surface units or
areas near units. Surface units may
be hot even though they are dark in
color. Areas near surface units may
become hot enough to cause
burns.
During and after use, DO NOT
touch, or let clothing or other
flammable materials contact
surface units or areas near units
until they have had sufficient time
to cool. Among those areas are the
cooktop and surfaces facing the
cooktop.
Use proper pan size. This cooktop
is equipped with one or more
surface units of different sizes.
Select cookware has flat bottoms
large enough to cover the surface
unit heating element. The use of
undersized cookware will expose a
portion of the heating element to
direct contact and may result in the
ignition of clothing. Proper sizing of
cookware to burners will also
improve efficiency.
Use only dry potholders. Moist or
damp potholders on hot surfaces
may result in burns from steam.
DO NOT let potholder touch hot
heating elements. DO NOT use a
towel or other bulky cloth.
DO NOT COOK ON A BROKEN
COOKTOP. If the cooktop should
break, cleaning solutions and
spillovers may penetrate the
broken cooktop and create a risk of
electric shock. Contact a qualified
technician immediately.
NEVER use your cooktop for
warming or heating the room.
Clean cooktop with caution. If a wet
sponge or cloth is used to wipe
spills on a hot cooking area, be
careful to avoid steam burn.
Some cleaners can produce
noxious fumes if applied to a hot
surface.
Extreme caution SHOULD be
exercised when using cookware or
bakeware constructed of anything
other than ovenproof metal or
glass.
DO NOT place any of the
following materials in the oven:
cardboard, plastic, paper, or
anything similar.
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OPERATING INSTRUCTIONS
COOKTOP CONTROLS
This user manual covers different models. The cooktop you have purchased may have some or
all of the items listed. The locations and appearances of the features shown here may not
match those of your model.
24 IN. / COS-244ECC
E
D
C
B
F
30 IN. / COS-304ECC
E
D
C
B
F
36 IN. / COS-365ECC
F
E
G
D
C
A
A.) Right Front Control Knob
B.) Left Front Control Knob
C.) Left Rear Control Knob
D.) Right Rear Control Knob
E.) Hot Surface Indicator Light
F.) Surface Cooking Area
Locator
A
A.) Right Front Control Knob
B.) Left Front Control Knob
C.) Left Rear Control Knob
D.) Right Rear Control Knob
E.) Hot Surface Indicator Light
F.) Surface Cooking Area
Locator
B
A
A.) Right Front Control Knob
B.) Left Front Control Knob
C.) Middle Control Knob
D.) Left Rear Control Knob
E.) Right Rear Control Knob
F.) Hot Surface Indicator Light
G.) Surface Cooking Area
Locator
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OPERATING INSTRUCTIONS
COOKTOP CONTROLS
WARNING!: FIRE HAZARD. Turn OFF all controls when not cooking.
Failure to do so can result in fire, injury or death.
Cooktop Control Knob
The control knobs can be set to anywhere
between LOW and HIGH. Push in and turn the
control knob to set the desired heat level.
Surface Cooking Area Locator
The surface cooking area locator shows which
burner element is turned on.
Use the following chart as a guide when setting
heat levels.
Low Medium Low
Off Medium
WARNING!: When cooktop is in use, the
entire cooktop area may become hot.
SETTING RECOMMENDED USE
High
Medium High
Medium
Medium Low
Start cooking food.
Bring liquid to a boil.
Hold a rapid boil.
Quickly brown of sear food.
Maintain a slow boil.
Fry or saute foods.
Cook soups, sauces and gravies.
High simmer or simmer without lids.
Stew or steam food.
Simmer.
High Medium High
Keep food warm.
Low
Dual Elements
7
Melt chocolate or butter.
Low simmer using lids.
Home canning.
Large-diameter cookware.
Large quantities of food.
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OPERATING INSTRUCTIONS
DUAL ZONE ELEMENT
The Dual Zone elements offer flexibility
depending on the size of the cookware. A Single
Zone element can be used in the same way as a
regular element. The Dual Zone element
combines single and dual elements and is
recommended for larger cookware, large
quantities of food, and home canning. The Dual
Zone element must have Dual Mode activated
before it can be used.
A
B
To use the Single Zone element:
1.) Push in and turn Control Knob from the
OFF position to anywhere between LO and
HI to adjust cooking temperature.
2.) Turn knob to OFF when finished.
To activate DUAL MODE for the Dual Zone
element:
1.) Push in and turn the Control Knob
clockwise from the OFF position, past HI /
DUAL MODE position, towards the
symbol (See Knob Diagram).
2.) The Control Knob will click then retract
back to the HI / DUAL MODE position;
Dual Mode is now activated.
3.) Use the Control Knob to anywhere
between LO and HI to adjust cooking
temperature.
4.) To deactivate Dual Mode, turn the Control
Knob to the OFF position. You may then
restart the burner to use the Single Zone
element.
A.) SINGLE ZONE element
B.) DUAL ZONE element
Low Medium Low
Off Medium
Dual Mode
Activation Area
High / Dual Mode Medium High
For best High heat performance, match the
burner to cookware size.
For best Low heat or Simmer performance,
match cookware to the largest cooking area ring
and use a single ring for desired performance.
HOT SURFACE INDICATOR LIGHT
This unit features a Hot Surface Indicator Light.
The Hot Surface Indicator Light will glow as
long as any surface cooking area is too hot to
touch, even after the surface cooking area(s) is
turned off.
4 Burner 5 Burner
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OPERATING INSTRUCTIONS
CERAMIC GLASS COOKTOP SURFACE
The surface cooking area will glow red when an element is on. Some parts of the surface
cooking area may not glow red when an element is on; this is normal. The burner will cycle on
and off to maintain the selected heat level. It will also randomly cycle off and back on again,
even while on High, to keep the cooktop from extreme temperatures. It is normal for the
surface of the light-colored ceramic glass to appear to change color when surface cooking
areas are hot. As the glass cools, it will return to its original color.
Cleaning off the cooktop before and after each use will help keep it free from stains and
provide the evenest heating. On cooktops with light-colored ceramic glass, soils and stains
may be more visible and may require more cleaning and attention. A cooktop cleaner and a
cooktop scraper are recommended. For more information, see "Care & Maintenance", Page
12.
Avoid storing jars or cans above the cooktop. Dropping a heavy or hard object onto the
cooktop could crack the cooktop.
To avoid damage to the cooktop, do not leave a hot lid on the cooktop. As the cooktop
cools, air can become trapped between the lid and the cooktop, and the ceramic glass
could break when the lid is removed.
For foods containing sugar in any form, clean up all spills and soils as soon as
possible. Allow the cooktop to cool down slightly. Then, while wearing oven mitts,
remove the spills using a scraper while the surface is still warm. If sugary spills are
allowed to cool down, they can adhere to the cooktop and can cause pitting and
permanent marks.
To avoid scratches, do not slide cookware or bakeware across the cooktop. Aluminum
or copper bottoms and rough finishes on cookware or bakeware could leave
scratches or marks on the cooktop.
Do not cook popcorn in prepackaged aluminum containers on the cooktop. It could
leave aluminum marks that cannot be removed completely.
To avoid damage to the cooktop, do not allow objects that could melt, such as plastic
or aluminum foil, to touch any part of the entire cooktop.
To avoid damage to the cooktop, do not use the cooktop as a cutting board.
To avoid damage to the cooktop, do not cook foods directly on the cooktop.
Use flat-bottomed cookware for best heat
conduction and energy efficiency. Cookware
with rounded, warped, ribbed, or dented
bottoms could cause uneven heating and poor
cooking results. Determine flatness by placing
the straight edge of a ruler across the bottom
of the cookware. While you rotate the ruler, no
space or light should be visible between it
and the cookware.
Cookware designed with slightly indented
bottoms or small expansion channels can be
used.
Make sure the bottoms of pots and pans are
clean and dry before using them. Residue and
water can leave deposits when heated.
9
B
A
C
A.) Surface cooking area
B.) Cookware/canner
C.) ½" (1.3 cm) maximum overhang
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OPERATING INSTRUCTIONSOPERATING INSTRUCTIONS
COOKWARE
CAUTION!: Do not leave empty cookware on a hot surface cooking area, element or
surface burner.
Ideal cookware should have a flat bottom, straight sides, and a well-fitting lid and the
material should be of medium-to-heavy thickness.
Rough finishes may scratch the cooktop. Aluminum and copper may be used as a core
or base in cookware. However, when used as a base they can leave permanent marks
on the cooktop or grates.
Cookware material is a factor in how quickly and evenly heat is transferred, which
affects cooking results. A nonstick finish has the same characteristics as its base
material. For example, aluminum cookware with a nonstick finish will take on the
properties of aluminum.
Use the following chart as a guide for cookware material characteristics:
COOKWARE CHARACTERISTICS
Aluminum
Cast Iron
Ceramic or Ceramic
Glass
Copper
Earthenware
Heats quickly and evenly.
Suitable for all types of cooking.
Medium or heavy thickness is best
for most cooking tasks.
Heats slowly and evenly.
Good for browning and frying.
Maintains heat for slow cooking.
Follow cookware manufacturer’s
instructions.
Heats slowly, but unevenly.
Ideal results on low to medium heat
settings.
Heats very quickly and evenly.
Follow cookware manufacturer’s
instructions.
Use on low heat settings.
Porcelain enamelon-steel or cast iron
Dual Elements
See stainless steel or cast iron.
Heats quickly, but unevenly.
A core or base of aluminum or
copper on stainless steel provides
even heating.
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OPERATING INSTRUCTIONS
HOME CANNING
When canning for long periods, alternate the use of surface cooking areas, elements, or
surface burners between batches. This allows time for the most recently used areas to cool.
Center the canner on the grate or largest surface cooking area or element. On electric
cooktops, canners should not extend more than ½" (1.3 cm) beyond the surface
cooking area or element.
Do not place canner on 2 surface cooking areas, elements, or surface burners at the
same time.
On ceramic glass models, use only flat-bottomed canners.
For more information on home canning, contact your local agricultural department; companies
that manufacture home canning products can also offer assistance.
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CARE & MAINTENANCE
IMPORTANT!: Before cleaning, make sure all controls are off and the oven and
cooktop are cool. Always follow label instructions on cleaning products.
General Cleaning
Soap, water and a soft cloth or sponge are suggested first unless otherwise noted.
Ceramic Glass Cleaning
Always wipe with a clean, wet cloth or sponge and dry thoroughly to avoid streaking and
staining. To avoid damage to the cooktop, do not use steel wool, abrasive powder cleansers,
chlorine bleach, rust remover or ammonia.
Light to moderate soil: Paper towels or clean damp sponge.
Sugary spills (jellies, candy, syrup)
o Cooktop Scraper: Clean while the cooktop is still warm. Wear heat-resistant oven
mitts while doing so.
o Cooktop Polishing Creme and clean damp paper towel: Clean as soon as cooktop
has cooled down. Rub creme into surface with a damp paper towel or soft cloth.
Continue rubbing until white film disappears.
Heavy soil, dark streaks, specks and discoloration: Use Cooktop Polishing Creme or
nonabrasive cleanser; rub product into soil with a damp paper towel or soft cloth.
Continue rubbing until white film disappears.
Burned-on soil: Use Cooktop Polishing Creme and Cooktop Scraper; rub creme into soil
with damp paper towel. Hold scraper as flat as possible on surface and scrape. Repeat
for stubborn spots. Polish entire cooktop with creme and paper towel.
Metal marks from aluminum and copper: Use Cooktop Polishing Creme; clean as soon
as cooktop has cooled down. Rub creme into surface with a damp paper towel or soft
cloth. Continue rubbing until white film disappears. The marks will not totally disappear
but after many cleanings become less noticeable.
Tiny scratches and abrasions: Use Cooktop Polishing Creme; rub creme into surface
with a damp paper towel or soft cloth. Continue rubbing until white film disappears.
Scratches and abrasions do not affect cooking performance and after many cleanings
become less noticeable.
Cooktop Knob Cleaning
When replacing knobs, make sure knobs are in the OFF position. On some models, do not
remove seals under knobs. To avoid damage to the cooktop controls, do not use steel wool,
abrasive cleansers or oven cleaner, and do not soak knobs.
Soap and water
Pull knobs straight away from control panel to remove.
Dishwasher
Pull knobs straight away from control panel to remove.
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PRODUCT DIAGRAM: COS-244ECC
21.5"
21.87"
24"
19.12"
TOP VIEW
2"
3.14"
SIDE VIEW
A.) Single Zone Burner: 5.9 in., 1200W
B.) Dual Zone Burner: 9.3 / 5.5 in.,
A
B
C
E
F
D
2500W / 1200W
C.) Single Zone Burner: 7.5 in., 1800W
D.) Single Zone Burner: 5.9 in., 1200W
E.) Hot Surface Indicator Light
F.) Control Knobs
Weight: 20 lbs.
Voltage: 240V / 60Hz
Power Rating: 5500W
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PRODUCT DIAGRAM: COS-304ECC
21.5"
30"
19.1"
A
2.8"
27.8"
TOP VIEW
3.75"
SIDE VIEW
A.) Single Zone Burner: 5.9 in., 1200W
B.) Dual Zone Burner: 9.3 / 5.5 in.,
C
2500W / 1200W
E
C.) Dual Zone Burner: 7.5 / 4.7, 1800W
B
/ 750W
F
D.) Single Zone Burner: 5.9 in., 1200W
D
E.) Hot Surface Indicator Light
F.) Control Knobs
Weight: 23.59 lbs.
Voltage: 240V / 60Hz
Power Rating: 6700W
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PRODUCT DIAGRAM: COS-365ECC
21.5"
36"
19.1"
A
2.8"
33.6"
C
F
D
TOP VIEW
3.75"
SIDE VIEW
A.) Single Zone Burner: 5.9 in., 1200W
B.) Dual Zone Burner: 7.5 / 4.7 in.,
1800W / 750W
C.) Single Zone Burner: 7.5 in., 1800W
B
15
G
E
D.) Dual Zone Burner: 9.3 / 5.5 in.,
2500W / 1200W
E.) Single Zone Burner: 5.9 in., 1200W
F.) Hot Surface Indicator Light
G.) Control Knobs
Weight: 23.59 lbs.
Voltage: 240V / 60Hz
Power Rating: 6700W
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TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Cooktop will not
operate
Excessive heat
around the
cookware on
cooktop
a.) A household fuse blown, or
a circuit breaker tripped.
b.) Cooktop not wired properly.
c.) Control knobs are not set
correctly.
Cookware is not the proper
size.
a.) Replace the fuse or reset
the circuit breaker. If the
problem continues, call an
electrician.
b.) Refer to “Installation
Instructions” in the Cooktop
Installation Manual.
c.) Push in knob before turning
to a setting.
Use cookware about the same
size as the surface cooking
area, element or surface
burner. Cookware SHOULD
NOT extend more than 1/2”
(1.3 cm) outside the cooking
area, see Page 9.
Cooktop cooking
results not what
expected
A vapor is being
emitted from the
knobs of the
cooktop
a.) Is the proper cookware
being used?
b.) Is the control knob set to
the proper heat level?
c.) Is the cooktop level?
Is the cooktop in its first
use(s)?
a.) Refer to “Cookware”
section, Page 10.
b.) Refer to “Cooktop Controls”
section Page 7.
c.) Level the cooktop. Refer to
Installation Manual, Page 12,
"Prepare Cooktop for
Installation".
During the first use(s), a vapor
may be seen exiting the holes
around the knobs of the
cooktop. This is normal and
SHOULD disappear after use.
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WARRANTY AND SERVICE
For full warranty details on this product please visit:
http://www.cosmoappliances.com/warranty
TO RECEIVE WARRANTY SERVICE, YOUR
PRODUCT MUST BE REGISTERED. TO REGISTER, VISIT:
WWW.COSMOAPPLIANCES.COM/WARRANTY
SCAN TO REGISTER
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IMPORTANT
Do Not Return This Product To The Store If
you have a problem with this product, please contact
Cosmo Customer Support at
+1(888)784-3108
DATED PROOF OF PURCHASE, MODEL #, AND SERIAL #
REQUIRED FOR WARRANTY SERVICE
IMPORTANT
Ne pas Réexpédier ce Produit au Magasin
Pour tout problème concernant ce produit, veuillez contacter
le service des consommateurs Cosmo Customer Support au
+1(888) 784-3108
UNE PREUVE D’ACHAT DATEE EST REQUISE POUR BENEFICIER DE
LA GARANTIE.
IMPORTANTE
No regrese este producto a la tienda
Si tiene algún problema con este producto, por favor contacte el
AYUDA AL CLIENTE COSMO al
+1(888)784-3108
(Válido solo en E.U.A).
NECESITA UNA PRUEBA DE DE COMPRA FECHADA, NÚMERO DE
MODELO Y DE SERIE PARA EL SERVICIO DE LA GARANTÍA
Correct Disposal of this product:
This marking indicates that this appliance should not
be disposed with other household wastes. To prevent
possible harm to the environment or human health
from uncontrolled waste disposal, recycle it responsibly to
promote the sustainable reuse of material resources.
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Cosmo is constantly making efforts to improve the quality and
performance of our products, so we may make changes to our
appliances without updating this manual.
Electronic version of this manual is available at:
www.cosmoappliances.com
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