Cosmo COS-GRT366 Installation & User Manual
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Cosmo COS-GRT366 Installation & User Manual

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GAS COOKTOP
COS-GRT366
COS-GRT486G
GRT SLIDE-IN COOKTOP SERIES
INSTALLATION & USER MANUAL
IMPORTANT:
READ AND SAVE THESE INSTRUCTIONS.
FOR RESIDENTIAL USE ONLY.
INSTALLER:
PLEASE LEAVE THIS GUIDE WITH THE HOMEOWNER.
HOMEOWNER:
PLEASE KEEP THIS GUIDE FOR FUTURE REFERENCE.
Rev.22.05

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Summary of Contents for Cosmo COS-GRT366

  • Page 1 GAS COOKTOP COS-GRT366 COS-GRT486G GRT SLIDE-IN COOKTOP SERIES INSTALLATION & USER MANUAL IMPORTANT: READ AND SAVE THESE INSTRUCTIONS. FOR RESIDENTIAL USE ONLY. INSTALLER: PLEASE LEAVE THIS GUIDE WITH THE HOMEOWNER. HOMEOWNER: PLEASE KEEP THIS GUIDE FOR FUTURE REFERENCE. Rev.22.05...
  • Page 3 COSMO Appliances are designed according to the strictest safety and performance standard for the North American market. We follow the most advanced manufacturing philosophy.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS COOKTOP SAFETY .................... 3 Important Safety Instructions ................. 6 INSTALLATION REQUIREMENTS ..............9 Tools and Parts ......................9 Location Requirements .................... 11 Product Dimensions ....................12 Clearances ......................... 13 Cutout Dimensions ....................14 Electrical Requirements ................... 15 Gas Supply Requirements ..................

  • Page 5: Cooktop Safety

    COOKTOP SAFETY WARNING Fire Hazard If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. - Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
  • Page 6 WARNING: Gas leaks cannot always be detected by smell. Gas suppliers recommend that you use a gas detector approved by UL or CSA. For more information, contact your gas supplier. WARNING: Do not install a ventilation system that blows air downward toward this cooking appliance.
  • Page 7 In the State of Massachusetts, the following installation instructions apply: • Installations and repairs must be performed by a qualified or licensed contractor, plumber, or gasfitter qualified or licensed by the State of Massachusetts. • If using a ball valve, it shall be a T-handle type. •...

  • Page 8: Important Safety Instructions

    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: • WARNING: NEVER use this • Storage in or on appliance – appliance as a space heater to Flammable materials should not heat or warm the room.
  • Page 9 IMPORTANT SAFETY INSTRUCTIONS • Utensil Handles Should Be Turned • Proper Installation – The Inward and Not Extend Over appliance, when installed, must Adjacent Surface Units – To be electrically grounded in reduce the risk of burns, ignition accordance with local codes, or of flammable materials, and in the absence of local codes, spillage due to unintentional...
  • Page 10 IMPORTANT SAFETY INSTRUCTIONS • Do not let cooking grease or • Proper Disposal of Your other flammable materials Appliance – Dispose of or recycle accumulate on the cooktop. your appliance in accordance Grease on the cooktop may with Federal and Local ignite.

  • Page 11: Installation Requirements

    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 • Noncorrosive leak-detection solution • Flat-blade screwdriver • Phillips screwdriver For Propane/Natural Gas •...
  • Page 12 Parts Needed Gas supply line kit (supply line and 2 adapters) Optional Parts To purchase these or any other accessories, please visit www.cosmoappliances.com or reference the contact information at the end of this manual. • LP conversion kits Scan to find available LP kits...

  • Page 13: Location Requirements

    LOCATION REQUIREMENTS IMPORTANT: Observe all governing codes and ordinances. Do not obstruct flow of combustion and ventilation air. • 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.

  • Page 14: Product Dimensions

    PRODUCT DIMENSIONS Note: Cooktop features may differ. COS-GRT366 36.0" 3.0" (91.4 cm) (7.6 cm) 6.9" (17.4 cm) 0.8" (2.0 cm) 8.7" (22.0 cm) 24.0" 25.8" (61.0 cm) (65.4 cm) 27.4" 27.0" 0.8" (69.5 cm) (68.5 cm) (2.0 cm) 24.0" (61.0 cm) 8.7"...

  • Page 15: Clearances

    36 in (61.0 cm) (91.4 cm) Lower Cabinet Depth MODEL COS-GRT366 36" (91.4 cm) COS-GRT486G 48" (122 cm) NOTE: • 30" (76.2 cm) minimum clearance between cooking surface and bottom of the overhead cabinet. IMPORTANT: If installing a range hood, hood liner, or microware hood...

  • Page 16: Cutout Dimensions

    • If back wall is constructed of a combustible material and a backguard is not installed, a minimum clearance of 6" is required for all models. CUTOUT DIMENSIONS GIVEN DIMENSIONS ARE MINIMUM CLEARANCES. MODEL " COS-GRT366 (91.8 cm) 24" " " "...

  • Page 17: Electrical Requirements

    ELECTRICAL REQUIREMENTS WARNING Electrical Shock Hazard Plug into a grounded 3 prong outlet. Do not remove ground prong. Do not use an adapter or extension cord. Failure to do so can result in death, fire or electrical shock. IMPORTANT: The cooktop must be electrically grounded in accordance with local codes and ordinances, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70 or Canadian Electrical Code, CSA C22.1.

  • Page 18: Gas Supply Requirements

    Electronic ignition systems operate within wide voltage limits, but proper grounding and polarity are necessary. Check that the outlet provides 120 V power and is correctly grounded. WARNING: Improper connection of the equipment-grounding conductor can result in a risk of electric shock. Check with a qualified electrician or service technician if you are in doubt as to whether the appliance is properly grounded.
  • Page 19 IMPORTANT: Leak testing of the cooktop must be conducted according to the manufacturer's instructions. TYPE OF GAS Natural Gas: This cooktop is factory-set for use with Natural gas. The model/serial rating plate located on the underside of the cooktop base has information on the types of gas that can be used.
  • Page 20 Rigid pipe connection: The rigid pipe connection requires a combination of pipe fittings to obtain an in-line connection to the cooktop. The rigid pipe must be level with the cooktop connection. All strains must be removed from the supply and fuel lines so cooktop will be level and in line.

  • Page 21: Installation Instructions

    GAS SUPPLY PRESSURE TESTING Gas supply pressure for testing regulator must be at least 1" (2.5 cm) water column pressure above the manifold pressure shown on the model/serial rating plate. Line pressure testing above 0.5 psi gauge (14" WCP) The cooktop and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 0.5 psi (3.5 kPa).

  • Page 22: Install Cooktop

    INSTALL COOKTOP 1. Decide on the final location for the cooktop. 2. Install the rubber pads to the back panel of cooktop. 3. The flexible gas supply line connector can be assembled to the cooktop now or after the cooktop is installed in the cutout. See the "Gas Connection" section.

  • Page 23: Gas Connection

    GAS CONNECTION WARNING Explosion Hazard Use a new CSA International approved gas supply line. Install a shut-off valve. Securely tighten all gas connections. If connected to LP, have a qualified person make sure gas pressure does not exceed 14" (36 cm) water column. Examples of a qualified person include: •...
  • Page 24 2. Apply pipe-joint compound made for use with Natural and LP gas to the smaller thread end on one of the flexible connector adapters and the ½" pipe fitting at the bottom right of the cooktop base. 3. Attach one end of the flexible connector without an adapter to the ½" pipe fitting at the bottom right of the cooktop base, and the other end with the pipe-joint compound applied adapter to the gas shutoff valve.

  • Page 25: Complete Connection

    CONVERT TO LP GAS (OPTIONAL) This cooktop is shipped from the factory set up to use natural gas. It can be converted to use LP gas by a qualified service technician. The LP conversion kit is sold separately. The conversion to LP requires all surface burner orifices to be changed.
  • Page 26 COS-GRT366 A. Super Rapid (Large) B. Rapid (Medium) C. Semi Rapid (Small) COS-GRT486G A. Rapid (Medium) B. Super Rapid (Large) C. Griddle Note: Align notches in burner caps with pins in burner base. Burner caps should be level when properly positioned. If burner caps are not properly positioned, surface burners will not light.

  • Page 27: Adjust Flame Height

    ADJUST FLAME HEIGHT Check and adjust the height of top burner flames. The cooktop "low" burner flame should be a steady blue flame approximately 1/4" (6 mm) high. Propane gas flames have a slightly yellow tip. Low lame lame If burners do not light properly: 1.
  • Page 28 NOTE: For burners (on some models) with safety valve, make sure that the regulation obtained is sufficient to maintain heating of the thermocouple. If it is not, increase the minimum flame. ABNORMAL OPERATION ANY OF THE FOLLOWING ARE CONSIDERED TO BE ANBORMAL OPERATION AND MAY REQUIRE SERVICING: •...

  • Page 29: Gas Conversion

    GAS CONVERSION WARNING Explosion Hazard Use a new CSA International approved gas supply line. Install a shut-off valve. Securely tighten all gas connections. If connected to LP, have a qualified person make sure gas pressure does not exceed 14" (36 cm) water column. Examples of a qualified person include: •...
  • Page 30 4. Unscrew the regulator cap with the wrench. Regulator cap 5. Remove the retainer pin that is currently positioned for use with natural gas. Natural gas position Retainer pin 6. Turn the retainer pin upside down and place it back into the regular cap. The regular cap is now positioned for use with LP gas.

  • Page 31: Convert Surface Burners

    Convert Surface Burners 1. If installed, remove the burner grates. 2. Remove the burner grates, burner caps, and the burner base. 3. Remove the natural gas orifices with a 9/32" (7 mm) nut driver. Orifice 4. Replace the natural gas orifices with the correct LP gas orifices from the LP conversion kits.
  • Page 32 Orifice Chart for Surface Burners: COS-GRT366 LP Orifice NG Orifice Burner Burner Placement Size (mm) Size (mm) Rating Super Rapid Front Left 1.24 1.88 18,000 BTU Rapid Front Center 1.00 1.50 12,000 BTU Super Rapid Front Right 1.24 1.88 18,000 BTU...
  • Page 33 COS-GRT486G LP Orifice NG Orifice Burner Burner Placement Size (mm) Size (mm) Rating Rapid Front Left 1.00 1.50 12,000 BTU Super Rapid Front Center 1.24 1.85 18,000 BTU Rapid Front Right 1.00 1.50 12,000 BTU Rapid Rear Left 1.00 1.50 12,000 BTU Rapid Rear Center...

  • Page 34: Complete Gas Conversion

    Convert Griddle (On Models with Griddle) 1. Remove the screws on the back cover, and remove the back cover. Back cover 2 . Remove the screws on the back of the orifice holder below the griddle. Orifice holder 3. Gently pull out the orifice holder unveiling the natural gas orifice. Orifice 4.

  • Page 35: Overview

    OVERVIEW COOKTOP LAYOUT This illustration covers several 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. Griddle (on models with griddle) Grate Surface burner Control panel...
  • Page 36 WHAT'S INCLUDED Surface burner grates (3) Surface burners and caps (6) Griddle kit (cover & grease tray) Model: COS-GRT486G BURNER LAYOUT Burner cap Electrode Burner head Flame failure safety device (on some models)

  • Page 37: Cooktop Use

    COOKTOP USE Read the instructions before installing or using this appliance. • This appliance shall be installed in accordance with the regulations in force and only used in a well-ventilated space. • The use of a gas-cooking appliance results in the production of heat and moisture in the room in which it is installed.

  • Page 38: Power Failure

    USING THE COOKTOP BURNERS IMPORTANT: Make sure all cooktop burners are properly installed. 1. To ignite a burner, push down on the burner control knob and turn it to the ignite position. 2. After the cooktop burner lights, release and turn the control knob between Hi and Low to adjust the flame level.

  • Page 39: Cookware

    USING THE GRIDDLE (ON MODELS WITH GRIDDLE) When using the griddle for the first time, clean the griddle thoroughly with warm and soapy water to remove duct or any manufacturing protective oil, then rinse with clean water and wipe off to dry with soft, clean and lint-free cloth.

  • Page 40: Cooktop Care

    BALANCED PAN CONCAVE CONVEX FLAME TOO LARGE USE LIDS THAT UNBALANCED (HOLLOW) (ROUNDED) FOR PAN SIZE FIT PROPERLY CONTAINER SIZE SUGGESTION TABLE Burner Min Saucepan Max Saucepan Auxiliary 3.5" (9.0 cm) 6.3" (16 cm) Semi Rapid 5.1" (13 cm) 7.1" (18 cm) Rapid 5.9"...
  • Page 41 CONTROL KNOBS • To remove the knobs, be sure the knobs are in the OFF position. • Pull knobs straight away from control panel to remove. Cleaning Recommendation: • The knobs should be cleaned with soap and water. • Do not clean knobs in the dishwasher or use abrasive cleaners or steel wool.
  • Page 42 • Remove the burner base and clean the gas tube opening under the base. • Clean clogged burner ports with a straight pin, needle, or small-gauge wire as shown. Do not use a wooden toothpick or clean in the dishwasher. •...

  • Page 43: Troubleshooting

    TROUBLESHOOTING First try the solutions suggested here to possibly avoid the cost of a service call. COOKTOP PROBLEMS PROBLEM POSSIBLE CAUSE SOLUTION Burner There is no power to Check that cooktop is properly will not the cooktop. connected to 3- or 4-wire, 240V power ignite supply.
  • Page 44 PROBLEM POSSIBLE CAUSE SOLUTION Burner Cooktop gas supply Ensure the cooktop is set for the correct flame is is not correct. gas type. It is factory set for natural too high gas. If connecting to LP gas, the burners or too low should be converted to LP gas with the orifice kit supplied and the pressure regulator converted to the LP gas...

  • Page 45: Limited Warranty

    LIMITED WARRANTY WARRANTY AND SERVICE TO RECEIVE WARRANTY SERVICE, YOUR PRODUCT MUST BE REGISTERED. TO REGISTER AND REVIEW FULL WARRANTY DETAILS, VISIT: WWW.COSMOAPPLIANCES.COM/WARRANTY SCAN TO REGISTER CUSTOMER SUPPORT TO CHAT WITH US LIVE FOR ASSISTANCE, VISIT: WWW.COSMOAPPLIANCES.COM/CHAT SCAN TO CHAT...
  • Page 46 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...
  • Page 47 MEMO...
  • Page 48 MEMO...
  • Page 50 APPLIANCES 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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