Cosmo COS-304TBECC User manual

Rev.23.03
ELECTRIC COOKTOP
COS-304TBECC
COS-365TBECC
USER MANUAL & INSTALLATION
INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS.
FOR RESIDENTIAL USE ONLY.
PLEASE LEAVE THESE INSTRUCTIONS WITH THIS UNIT FOR
THE OWNER.
PLEASE RETAIN THESE INSTRUCTIONS FOR FUTURE
REFERENCE.
IMPORTANT:
INSTALLER:
OWNER:
DROP-IN COOKTOP

2
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 standard 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.
Before using this product, please read through this manual carefully. Keep
this user manual in a safe place for future reference. Please ensure that other
persons using this product are familiar with these instructions as well.
If you have any questions or concerns, please contact the dealer from whom you
purchased the product, or contact our Customer Support at:
1-888-784-3108
Reach us online at:
www.cosmoappliances.com

3
COOKTOP SAFETY .............................................................................................. 4
Important Safety Instructions ................................................................................. 6
INSTALLATION REQUIREMENTS ........................................................................11
Tools and Parts ..........................................................................................................11
Location Requirements ...........................................................................................12
Product Dimensions ................................................................................................. 13
Cutout Dimensions...................................................................................................14
Clearances.................................................................................................................15
Electrical Requirements........................................................................................... 17
INSTALLATION INSTRUCTIONS.........................................................................19
Preparation ...............................................................................................................19
Install Clamping Brackets......................................................................................20
Install Cooktop......................................................................................................... 22
Electrical Connection.............................................................................................. 23
Complete Installation.............................................................................................26
OVERVIEW......................................................................................................... 28
Cooktop Layout....................................................................................................... 28
Control Panel ........................................................................................................... 29
FEATURES ..........................................................................................................30
Timer..........................................................................................................................30
Lock.............................................................................................................................31
OPERATION....................................................................................................... 32
Before Using the Cooktop ..................................................................................... 32
Cooking Areas..........................................................................................................34
Hot Surface Indicator ............................................................................................. 35
Using the Cooktop Elements ................................................................................. 35
Using the Proper Cookware .................................................................................. 37
COOKTOP CARE AND MAINTENANCE............................................................. 39
Cleaning.................................................................................................................... 39
TROUBLESHOOTING......................................................................................... 42
LIMITED WARRANTY ........................................................................................44
TABLE OF CONTENTS

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on
your appliance. Always read and obey all safety messages.
This is the safety alert symbol.
This symbol alerts you to potential hazards
that can kill or hurt you and others.
All safety messages will follow the safety alert
symbol and either the word "WARNING" or
"CAUTION." These words mean:
You can be killed or seriously injured if you
don't follow instructions.
A potentially hazardous situation which, if not
avoided, could result in minor or moderate
injury.
All safety messages will tell you what the potential hazard is, tell you how
to reduce the chance of injury, and tell you what can happen if the
instructions are not followed.
California Proposition 65 Warning
WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
4
COOKTOP SAFETY
WARNING
CAUTION

5
WARNING
•This appliance is intended for normal residential use. It is not approved
for commercial use, outdoor installation, or any other application not
specifically allowed by this manual.
•This appliance requires connection to a 3-prong or 4-prong, 240VAC
single-phase (split-phase), 60Hz grounded electrical source. When
installed, appliance must be electrically grounded in accordance with
local codes or, in the absence of local codes, with the National Electrical
Code, NFPA 70 or CSA Standards C22.1-94, or the Canadian Electrical
Code, Part 1 and C22.2.
• ATTENTION INSTALLER: All cooktops must be hard wired (direct wired)
into an approved junction box. A "plug and receptacle" is not permitted
on these products.
•Proper installation is the responsibility of the installer. Any adjustment
and service should be performed only by qualified cooktop installers or
service technicians.
•Product failure due to improper installation is not covered under
warranty.

6
IMPORTANT SAFETY
INSTRUCTIONS
WARNING: To reduce the risk of fire, electrical shock, injury to persons, or
damage when using the cooktop, follow basic precautions, including the
following:
•For Personal Safety, remove
house fuse or open circuit
breaker before beginning
installation. Failure to do so
could result in serious injury or
death.
•ATTENTION INSTALLER - All
cooktops must be hard wired
(direct wired) into an approved
junction box. A "plug and
receptacle" is not permitted on
these products.
•Proper installation is the
responsibility of the installer and
product failure due to improper
installation is NOT covered
under warranty.
•WARNING: Installations with
Aluminum House Wiring Require
Attention:
-Improper connection of
Aluminum house wiring to
appliance copper leads can
result in an electrical hazard
or fire. Use only connectors
designed for joining copper
to aluminum and follow the
manufacturer’s recommend
procedure closely.
-Aluminum to Copper wiring
connections must conform
with the National Electrical
code, local codes and
industry-accepted wiring
practices.
-If an anti-oxidant
compound is added to the
wiring connectors, the
compound should be UL-
Listed and suitable for the
application materials,
voltage and temperature.
-Connectors for joining
Aluminum and Copper
wiring may be larger in size
than standard connectors. It
is recommended to use a
double gang, or larger,
electrical box to enclose the
connectors joining
Aluminum and Copper
wiring.
•Use this appliance only for its
intended purpose as described
in this manual.
•Never use your appliance for
warming or heating the room.
READ AND SAVE THESE INSTRUCTIONS

7
IMPORTANT SAFETY
INSTRUCTIONS
•Be sure your appliance is
properly installed and grounded
by a qualified technician.
•To eliminate the risk of burns or
fire due to reaching over heated
surface elements, cabinet
storage located above the
surface units should be avoided.
If cabinet storage space is to be
provided, the risk can be
reduced by installing a range
hood that projects horizontally a
minimum of 5" beyond the
bottom of the cabinets. Cabinet
installation above the cooktop
may be no deeper than 13".
•This appliance is not intended
for use by people (including
children) whose physical,
sensory or mental capacities are
impaired or who lack the
necessary experience or
knowledge/expertise to do so,
unless such persons are
supervised or are trained to
operate the appliance by a
person who accepts
responsibility for their safety.
•CAUTION: Do not store items of
interest to children in cabinets
above a cooktop – children
climbing on the cooktop to
reach items could be seriously
injured.
•Do Not Leave Children Alone –
Children should not be left alone
or unattended in area where
cooktop is in use. They should
never be allowed to sit or stand
on any part of the cooktop.
•User Servicing – 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.
•Before performing any service,
unplug the cooktop or
disconnect the power supply at
the household distribution panel
by removing the fuse or
switching off the circuit breaker.
•Storage on Cooktop –
Flammable materials should not
be stored near surface units.
•Do Not Use Water on Grease
Fires – Smother fire or flame or
use dry chemical or foam-type
extinguisher.
•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.
READ AND SAVE THESE INSTRUCTIONS

8
IMPORTANT SAFETY
INSTRUCTIONS
•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 these areas
are the coil elements, the
cooktop, and surfaces facing the
cooktop.
•Do Not Cook on Broken Cooktop
–If cooktop should break,
cleaning solutions and spillovers
may penetrate the broken
cooktop and create a risk of
electric shock. Turn off the
device to avoid the possibility of
electric shock. Contact a
qualified technician
immediately.
•Avoid scratching or impacting
cooktops, or control panels. The
cooktop can be scratched with
items such as knives, sharp
instruments, rings or other
jewelry, and rivets on clothing.
Doing so may lead to glass
breakage.
•If the power supply cord gets
damaged, have it replaced by
the manufacturer, the latter’s
service agent or by qualified
personnel in order to avoid
danger.
•Never Leave Surface Units
Unattended at High Heat
Settings – Boilover causes
smoking and greasy spillovers
that may ignite.
•Do Not Heat Unopened Food
Containers – Build-up of
pressure may cause container to
burst and result in injury.
•Wear Proper Apparel – Loose-
fitting or hanging garments
should never be worn while
using the appliance.
•Use Proper Pan Size – This
appliance is equipped with one
or more surface units of different
size. Select utensils having flat
bottoms large enough to cover
the surface unit heating
element. The use of undersized
utensils will expose a portion of
the heating element to direct
contact and may result in
ignition of clothing. Proper
relationship of utensil to heating
element will also improve
efficiency.
READ AND SAVE THESE INSTRUCTIONS

9
IMPORTANT SAFETY
INSTRUCTIONS
•Glazed Cooking Utensils – 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.
•Metal objects, such as knives,
forks, spoons and lids should not
be left on the grill’s cooking
surface as they may get hot.
•Do not place or store items that
can melt or catch fire on the
glass cooktop, even when it is
not being used. If the cooktop is
inadvertently turned on, they
may ignite. Heat from the
cooktop after it is turned off may
cause them to ignite also.
•Maintenance – Keep cooktop
area clear and free from
combustible materials, gasoline,
and other flammable vapors
and liquids.
•Do not let cooking grease or
other flammable materials
accumulate in or near the
cooktop. Grease on the cooktop
may ignite.
•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.
•Use care when touching the
cooktop. The glass surface of the
cooktop will retain heat after the
controls have been turned off.
•Clean Only Parts Listed in
Manual.
•Do not use replacement parts
that have not been
recommended by the
manufacturer (e.g. parts made
at home using a 3D printer).
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10
IMPORTANT SAFETY
INSTRUCTIONS
•Proper Disposal of Your
Appliance – Dispose of or recycle
your appliance in accordance
with Federal and Local
Regulations. Contact your local
authorities for the
environmentally safe disposal or
recycling of your appliance.
For units with ventilating hood –
•Clean Ventilating Hoods
Frequently – Grease should not
be allowed to accumulate on
hood or filter.
•When flaming foods under the
vent hood, turn the fan on.
READ AND SAVE THESE INSTRUCTIONS

11
INSTALLATION REQUIREMENTS
TOOLS AND PARTS
Gather the required tools and parts before starting installation. Read and
follow the instructions provided with any tools listed here.
Tools Needed
•Tape measure
•Phillips screwdriver
•Marker or pencil
•Drill and drill bit (for clamping
bracket installation on wooden
countertops)
•Heavy-duty double-sided
adhesive tape and silicone (for
clamping bracket installation on
granite and marble countertops)
•Safety glasses
•Gloves
Parts Needed
UL Listed or CSA Approved
Conduit Connector
Parts Supplied
Clamping Brackets (4) Clamping Screws (8)
UL Listed or CSA Approved
Wire Connector

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LOCATION REQUIREMENTS
IMPORTANT: Observe all governing codes and ordinances.
•This cooktop is for indoor household use only.
•It is the installer's responsibility to comply with installation clearances
specified on the model/serial/rating plate. The model/serial/rating plate
is located on the underside of the cooktop base.
•The cooktop must be installed in a level countertop.
•The cooktop should be installed in a location away from strong draft
areas, such as windows, doors, and strong heating vents or fans.
•The cooktop should be located for convenient use in the kitchen.
•To eliminate the risk of burns or fire by reaching over the heated surface
units, cabinet storage space located above the surface units should be
avoided. If cabinet storage is to be provided, the risk can be reduced by
installing a range hood that projects horizontally a minimum of 5" (12.7
cm) beyond the bottom of the cabinets.
•For cooktop installation in a solid surface material such as granite, quartz
or any other natural or synthetic solid surface, it is recommended that the
cutout be prepared by a professional cabinet or countertop installer.
Cooktop cutouts in wood or wood-laminate countertops may be able to
be prepared using a saber saw and electric drill.
•An approved built-in under counter oven may be installed below the
cooktop. Refer to oven manufacturer’s installation instructions for
appropriate clearances, dimensions, and cutout dimensions.
•A ventilation hood may be installed above the cooktop. See the
ventilation hood installation instructions for the appropriate dimensions
and clearances.
•Grounded electrical supply is required. See "Electrical Requirements"
section.
IMPORTANT: To avoid damage to your cabinets, check with your builder or
cabinet supplier to make sure that the materials used will not discolor,
delaminate, or sustain other damage.

13
PRODUCT DIMENSIONS
Dimensions given are maximum dimensions across all models.
21"
(533 mm)
19 ⁷⁄₁₆"
(493 mm)
A
B
FRONTREAR
2 ³⁄₄"
(69 mm)
1 ³⁄₄"
(44 mm)
Power Cord
Conduit
Model AB
Surface Width Base Width
COS-304TBECC (30") 30" (762 mm) 28 ⁷⁄₁₆" (722 mm)
COS-365TBECC (36") 36" (915 mm)
NOTE:
•Power cord is located at the rear right bottom of the cooktop.
•Length of power cord is approximately 47 ¹⁄₄" (120 cm).
34 ⁷⁄₁₆" (875 mm)

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CUTOUT DIMENSIONS
IMPORTANT: To avoid damage to your cabinets, check with your builder or
cabinet supplier to make sure that the materials used will not discolor,
delaminate or sustain other damage.
C
D
2 ³⁄₈" (6 cm)
min. distance
from front
edge of cutout
and front edge
of countertop
2" (5 cm)
min. distance
between rear
edge of cutout
and the wall
behind the
cooktop
1 ³⁄₁₆" (30 mm)
min. thickness
of the
countertop
surface
Model
C
Cutout Width Recommended
Cutout Width
COS-304TBECC (30") (730 mm)
28 ³⁄₄" – 28 ¹³⁄₁₆"
(730 – 732 mm)
COS-365TBECC (36") (885 mm)
34 ³⁄₄" – 34 ¹³⁄₁₆"
(883 – 885 mm)
Model
D
Cutout Depth Recommended
Cutout Depth
COS-304TBECC (30")
COS-365TBECC (36")
19 ¹¹⁄₁₆" – 19 ¹³⁄₁₆"
(500 – 503 mm) (503 mm)
28 ³⁄₄"
34 ¹³⁄₁₆"
19 ¹³⁄₁₆"

15
13 in
(33 cm)
Overhead
Cabinet
Depth
36 in
(91.4 cm)
18 in
(45.7 cm)
30 in
(76.2 cm)
E
2 in
(5 cm)
to right
wall
2 in
(5 cm)
to left
wall
24 in
(61 cm)
Lower
Cabinet
Depth
5 in
(12.7 cm)
to built-in under
counter oven
any combustible
surfaces
NOTE:
•For cooktop installation in a solid surface material such as granite,
quartz or any other natural or synthetic solid surface, it is
recommended that the cutout be prepared by a professional cabinet
or countertop installer. Cooktop cutouts in wood or wood-laminate
countertops may be able to be prepared using a saber saw and
electric drill.
•The countertop surface thickness should be at least 1 ³⁄₁₆" (30 mm).
CLEARANCES
IMPORTANT: If installing the cooktop in combination with a range hood,
microwave hood combination, or built-in under counter oven, follow their
specific product installation instructions for dimensional clearances above the
cooktop surface or below the cooktop.
GIVEN DIMENSIONS ARE MINIMUM CLEARANCES.

16
Model E
Overhead Cabinet Horizontal Clearance
COS-304TBECC (30") 30" (76.2 cm)
COS-365TBECC (36") 36" (91.4 cm)
NOTE:
•30" (76.2 cm) minimum clearance between top of cooktop platform
and bottom of the overhead cabinet.
•
•
18" (45.7 cm) minimum clearance from countertop to underside of
nearest cabinets on both sides of cooktop.
2 ³⁄₈" (6 cm) minimum clearance from front edge of cutout and front
edge of countertop.
•2" (5 cm) minimum clearance between rear edge of cutout and the wall
behind the cooktop.
•2" (5 cm) minimum clearance from cutout to nearest vertical wall or
cabinet on left or right side of the cooktop below the 18" (45.7 cm)
minimum clearance height.
•5" (12.7 cm) minimum vertical clearance from the cooktop bottom to
built-in under counter oven, microwave, warming drawer, or any
combustible surfaces, such as a cabinet drawer.

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ELECTRICAL REQUIREMENTS
ELECTRICAL SHOCK HAZARD
•Disconnect power before servicing.
•Use 8 gauge copper wire.
•Electrically ground cooktop.
•Failure to follow these instructions can result in death, fire, or electrical
shock.
WARNING
If codes permit and a separate ground wire is used, it is recommended that a
qualified electrical installer determine that the ground path and wire gauge
are in accordance with local codes.
Check with a qualified electrical installer if you are not sure the cooktop is
properly grounded.
Make sure that the electrical connection, grounding, and wire size are
adequate and in conformance with all local codes and ordinances, or in their
absence, with the National Electrical Code, ANSI/NFPA No. 70 - latest edition
in the United States, or with CSA Standard C22.1, Canadian Electrical Code,
Part 1 in Canada.
A copy of the above code standards can be obtained from:
•National Fire Protection Association
1 Batterymarch Park
Quincy, MA 02169
•CSA International
8501 East Pleasant Valley Road
Cleveland, OH 44131-5575

18
Before You Make the Electrical Connection:
To properly install your cooktop, you must determine the type of electrical
connection you will be using and follow the instructions provided for it here.
•This appliance must be supplied with the proper voltage and frequency,
and connected to an individual, properly grounded, 50 amp (minimum)
branch circuit protected by a circuit breaker or time-delay fuse.
•The cooktop is rated for 240V. The model/serial/rating plate is located on
the metal cabinet underneath the cooktop.
•The cooktop is equipped with a 3-wire power cord.
•A single-phase (split-phase), 3-wire or 4-wire, AC 240 Volt 60 hertz
electrical system is required. It is the personal responsibility of the cooktop
owner to provide the correct electrical service for this cooktop.
•The cooktop should be connected directly to the junction box through
flexible, armored or nonmetallic sheathed, copper cable. The flexible,
armored cable extending from the fuse box or circuit breaker box should
be connected directly to the junction box.
•Locate the junction box to allow as much slack as possible between the
junction box and the cooktop so that the cooktop can be moved if
servicing becomes necessary in the future.
•Do not cut the conduit. Use the length of conduit provided.
•A UL listed or CSA approved conduit connector must be provided at each
end of the power supply cable (at the cooktop and at the junction box). A
listed conduit connector is already provided at the cooktop.
•If the house has aluminum wiring follow the procedure below:
-Connect the aluminum wiring using special connectors and/or tools
designed and UL listed for joining copper to aluminum.
-Follow the electrical connector manufacturer’s recommended
procedure. Aluminum/copper connection must conform with local
codes and industry accepted wiring practices.
-If an anti-oxidant compound is added to the wiring connectors, the
compound should be UL-Listed and suitable for the application
materials, voltage and temperature.
-Connectors for joining Aluminum and Copper wiring may be larger in
size than standard connectors. It is recommended to use a double
gang, or larger, electrical box to enclose the connectors joining
Aluminum and Copper wiring.

19
INSTALLATION INSTRUCTIONS
IMPORTANT: This appliance shall be installed only by authorized persons and
in accordance with the manufacturer's installation instructions, municipal
building codes, and electrical wiring regulations.
PREPARATION
EXCESSIVE WEIGHT HAZARD
•Use two or more people to move and install cooktop. Failure to do so
can result in back or other injury.
LACERATION, FOREIGN OBJECT, CRUSH HAZARD
•When installing, moving, or servicing any appliance, wear proper
protective equipment, including cut resistant gloves, steel-toed shoes,
and safety glasses.
•When preparing cooktop opening, make sure the inside of the cabinet
and the cooktop do not interfere with each other. (See the "Clearances"
section.)
•Remove packaging materials package from the cooktop before
beginning installation.
•Be sure to keep all literature, manual(s), etc. in a safe place for future
reference.
•Make sure you have all the tools and materials you need before starting
the installation of the cooktop.
•Your home must provide the adequate electrical service needed to safely
and properly use your cooktop. (Refer to the "Electrical Requirements"
section, and make sure all local codes and ordinances are followed
exactly as stated.)
WARNING
CAUTION

20
INSTALL CLAMPING BRACKETS
Wooden Countertops
Make sure any cut surfaces on the wooden countertop are sealed with a
special varnish, silicone rubber, or resin to prevent the wood from swelling as
a result of moisture. The sealant must be temperature-resistant. Ensure that
the sealant does not get on the top surface of the countertop.
1. Position the clamping brackets on the top front and rear edges of the
cutout as shown in the illustration above.
F
F
F
F
G
H
Model
F G H
Suggested Bracket
Assembling
Distance
Countertop
Surface
Thickness
Bracket
Width
COS-304TBECC
(30") (125 mm) 2"
(50 mm)(30 – 40 mm)
COS-365TBECC
(36") (155 mm)
4 ¹⁵⁄₁₆"
6 ¹⁄₈"
1 ³⁄₁₆" – 1 ⁹⁄₁₆"