Bosch NGM8057UC Installation Manual

Gas Cooktop

Installation Manual

NGM8057UC

Table of Contents

9 Safety Definitions .....................................................	2	Cabinet Requirements ........................................................	6
IMPORTANT SAFETY INSTRUCTIONS ........................	3	Countertop Requirements ..................................................	7
Gas Appliance Safety ..........................................................	3	Ventilation Requirements ....................................................	7
High Altitude Installation .....................................................	4	Installation Procedure ..................................................	8
Appliance Handling Safety .................................................	4	Prepare Installation Space .................................................	8
Safety Codes and Standards .............................................	4	Install the Cooktop ...............................................................	8
Electric Safety .......................................................................	4	Connect Gas Supply ...........................................................	9
Gas Safety .............................................................................	4	Connect Electrical Supply ...............................................	10
Propane Gas Installation .....................................................	5	Burner Cap and Burner Base Placement .....................	10
Related Equipment Safety ..................................................	5	Install Burner Grates .........................................................	10
Before You Begin ..........................................................	6	Check the Installation .......................................................	11
Tools and Parts Needed .....................................................	6	Conversion to LP Gas .................................................	11
Parts Included .......................................................................	6	Converting the Pressure Regulator ...............................	11
Appliance Dimensions ........................................................	6	Replacing the Nozzles .....................................................	12
General Requirements ........................................................	6	Adjusting the Gas Valves ................................................	12
Electrical Requirements ......................................................	6	Customer Service ........................................................	13
Gas Requirements ...............................................................	6

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9Safety Definitions

9WARNING

This indicates that death or serious injuries may occur as a result of non-observance of this warning.

9CAUTION

This indicates that minor or moderate injuries may occur as a result of non-observance of this warning.

NOTICE: This indicates that damage to the appliance or property may occur as a result of non-compliance with this advisory.

Note: This alerts you to important information and/or tips.

9 IMPORTANT SAFETY INSTRUCTIONS

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Gas Appliance Safety

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9 IMPORTANT SAFETY INSTRUCTIONS

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IMPORTANT: THE APPLIANCE MUST BE INSTALLED BY A QUALIFIED INSTALLER.

INSTALLER: LEAVE THESE INSTRUCTIONS WITH THE APPLIANCE AFTER INSTALLATION IS COMPLETE. IMPORTANT: SAVE FOR THE LOCAL INSPECTOR’S USE.

OWNER: PLEASE RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.

WARNING

If the information in this manual is not followed exactly, fire or shock may result causing property damage or personal injury.

WARNING

Do not repair, replace or remove any part of the appliance unless specifically recommended in the manuals. Improper installation, service or maintenance can cause injury or property damage. Refer to this manual for guidance. All other servicing should be done by an authorized servicer.

WARNING

Disconnect electrical and gas supply before servicing.

High Altitude Installation

This appliance has been tested for operation up to an altitude of 10,100 ft (3,078 m) elevation above sea level.

If desired, for altitudes above 2,000 ft (610 m) elevation above sea level, adjustments may be made. Burners should be checked at the lowest setting, if the flame is not stable the simmer should be increased until the flame is stable. This can be done by adjusting the bypass screw in the valve. If flame performance is satisfactory, adjustment will not be required. It is required that a Certified Professional make the high altitude adjustments during installation.

Appliance Handling Safety

Hidden surfaces may have sharp edges. Use caution when reaching behind or under appliance.

Safety Codes and Standards

This appliance complies with the following Standard:

ANSI Z21.1 / CSA 1.1 Household Cooking Gas Appliances

It is the responsibility of the owner and the installer to determine if additional requirements and/or standards apply to specific installations.

Installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 or, in Canada, the Natural Gas and Propane Installation Code, CSA B149.1.

The appliance must be electrically grounded in accordance with local codes or, in the absence of local codes, with the National Electrical Code, NFPA 70 latest edition or, in Canada, the Canadian Electric Code, CSA C22.1-02.

Electric Safety

WARNING

Before you plug in an electrical cord or turn on power supply, make sure all controls are in the OFF position.

For appliances equipped with a cord and plug, do not cut or remove the ground prong. It must be plugged into a matching grounding type receptacle to avoid electrical shock. If there is any doubt as to whether the wall receptacle is properly grounded, the customer should have it checked by a qualified electrician.

Do not use an extension cord. Do not use an adapter.

If required by the National Electrical Code (or Canadian Electrical Code), this appliance must be installed on a separate branch circuit.

The circuit breaker should have a contact separation of at least 3 mm on all poles.

Be sure your appliance is properly installed and grounded by a qualified technician. Installation, electrical connections and grounding must comply with all applicable codes.

Before installing, turn power OFF at the service panel. Lock service panel to prevent power from being turned ON accidentally.

Installer – show the owner the location of the circuit breaker or fuse. Mark it for easy reference.

Gas Safety

Install a gas shutoff valve near the appliance. It must be easily accessible in an emergency.

Leak testing must be conducted by the installer according to the instructions in this manual.

The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing at pressures in excess of ½ psi (3.5 kPa).

The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than ½ psi (3.5 kPa).

The minimum supply pressure must be 1" water column above the manifold pressure printed on the rating label. The maximum supply pressure must not exceed

14.0 inches water column (34.9 Millibars).

9 IMPORTANT SAFETY INSTRUCTIONS

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IMPORTANT SAFETY NOTICE: Burning gas cooking fuel generates some by-products which are on the list of substances which are known by the State of California to cause cancer or reproductive harm. To minimize exposure to these substances, always operate this unit according to the instructions contained in this booklet and provide good ventilation.

Proposition 65 Warning:

This product may contain a chemical known to the State of California, which can cause cancer or reproductive harm. Therefore, the packaging of your product may bear the following label as required by California:

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Propane Gas Installation

The propane gas tank must be equipped with its own high pressure regulator. In addition, the regulator supplied with this unit must also be used.

The appliance is shipped from the factory for use with natural gas. It must be converted for use with propane. A qualified technician or certified installer must do the conversion.

For use with propane the appliance must be converted per the LP conversion instructions. ~ "Conversion to LP Gas" on page 11

For Massachusetts installations:

Installation must be performed by a qualified or licensed contractor, plumber or gas fitter qualified or licensed by the state, province or region where this appliance is being installed.

Shut-off valve must be a “T” handle gas cock.

Flexible gas connector must not be longer than 36 inches.

Installer - show the owner where the gas shut-off valve is located.

Related Equipment Safety

The appliance should only be used if installed by a qualified technician in accordance with these installation instructions. The manufacturer is not responsible for any damage resulting from incorrect installation.

Remove all tape and packaging before using the appliance. Destroy the packaging after unpacking the appliance. Never allow children to play with packaging material.

Never modify or alter the construction of the appliance. For example, do not remove leveling legs, panels, wire covers or anti-tip brackets/screws.

To eliminate the risk of burns or fire by reaching over 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 hood that projects horizontally a minimum of 5 inches (127 mm) beyond the bottom of the cabinet.

Verify that cabinets above the cooktop are a maximum of 13" (330 mm) deep.

When installing a cooktop over a single oven, be sure to follow both the oven’s and cooktop’s installation manuals.

You can find a list of approved combinations of cooktop and oven in the Appliance Document List of your cooktop, or you can contact Customer Service for the latest list of approved combinations. Do not try to install your cooktop over any oven that is not stated in that list.

Ventilation Recommendations

We strongly recommend the installation of a ventilation hood above this appliance. The hood must be installed according to instructions furnished with the hood.

CAUTION

The appliance should not be installed with a ventilation system that blows air downward toward the burners. This type of ventilation system may cause ignition and combustion problems with the gas cooking appliance resulting in personal injury or unintended operation.

Before You Begin

Tools and Parts Needed

Phillips Head Screwdriver

Precision Flathead Screwdriver

Tape Measure

Teflon Tape (Gas Rated)

Adjustable Wrench or Channel Lock Pliers

Parts Included

Cooktop

Mounting Brackets (4)

Sheet Metal Screws, DIN7982 4.2x25 (1") (4)

Burner Grates (3)

Burners (5)

Burner Caps (6)

OptiSim® Cap (1)

Pressure Regulator

LP Gas Conversion Kit

Note: If parts are missing or damaged, call Customer Support or write to the address listed on the inside back cover.

Appliance Dimensions

Electrical Requirements

9CAUTION

Do not use an extension cord with the gas cooktop.

This appliance requires a 60 Hz, 15 Amp, 120 VAC connection. Plan the installation so that the power connection is accessible from the front of the cabinet.

Gas Requirements

The cooktop is shipped from the factory for use with natural gas. For use with LP conversion, a certified technician or installer must do the conversion.

Supply Pressure:

Natural Gas: 7 inches water column (17.4 Millibars)

Propane Gas: 11 inches water column (27.4 Millibars)

The propane gas tank must be equipped with its own high pressure regulator in addition to the pressure regulator supplied with this unit.

Cabinet Requirements

Instructions are based on standard American cabinets 36" high (91 cm) x 24" deep (61 cm) with a 25" (63 cm) countertop.

The maximum depth of a cabinet installed above the cooktop is 13" (33 cm).

Note: All measurements given must be precisely followed. If nonstandard cabinets are used, make sure they are installed with minimum dimensions shown.

Plan the installation of the unit so that the power cord, gas shut-off valve and gas pressure regulator are accessible from the front of the cabinet.

General Requirements

The cabinet in which the cooktop is installed must be properly secured and stable.

The cabinets next to the cooktop, the laminated covering and glue for adhering it must be made of non-flammable and heat resistant materials.

This appliance cannot be installed above fridges, washing machines, dishwashers or similar.

If an oven is installed underneath the cooktop, the thickness specified for the countertop surface may exceed the minimum thickness stated in these instructions. Observe the information in the oven installation instructions.

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For installation in a kitchen island, the minimum distance from the cooktop to the edge of the countertop must be at least 4" (100 mm).

Hook Up

Plan the installation of the unit so that the power cord, gas shut-off valve and gas pressure regulator are accessible from the front of the cabinet.

The supply line must not interfere with the back of the unit.

Make sure the gas supply is turned off at the manual shut-off valve before connecting to the appliance.

Countertop Requirements

9WARNING

To reduce the risk of ignition of surrounding combustible materials, install at least 12¾" (325 mm) from both sidewalls and at least 2¼" (58 mm) from the rear wall.

The countertop must be level and horizontal. The stability of the countertop must be maintained after the cut-out has been made.

Note: All measurements given must be precisely followed. If nonstandard cabinets are used, make sure they are installed with minimum dimensions shown in the following image.

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Ventilation Requirements

We strongly recommend the installation of ventilation with the appliance. The appliance must be installed according to the ventilation instructions.

9CAUTION

* When installed in combination with a hood, refer to hood manufacturer’s requirements for installation.

Installation Procedure

Prepare Installation Space

Create the cut-out in the countertop according to the installation drawings. The angle of the cut surface to the countertop must be 90°.

After creating the cut-out, remove shavings. Seal cut surfaces in a heat-resistant manner.

Some solid surface countertops require special installations. For example, heat reflective tape and rounded corners may be necessary. Contact the countertop manufacturer for instructions specific to your countertop.

9WARNING

To avoid electrical shock hazard, before installing the cooktop, switch power off at the service panel to prevent the power from being switched on accidentally.

Cut out the countertop per the dimensions shown in the section “Countertop Requirements”.

If there is no oven beneath the cooktop, put a nonflammable intermediate floor (e.g. metal or plywood) 3/8" (10 mm) from the base of the cooktop. This will prevent access to the base of the cooktop.

The distance from the intermediate floor to the power supply connection for the appliance must be at least 3/8" (10 mm).

Install the Cooktop

9WARNING

Before you plug in an electrical cord or turn on power supply, make sure all controls are in the OFF position.

9CAUTION

Sharp edges. Use protective gloves when installing the cooktop.

IMPORTANT: A foam tape seal is factory installed on the underside of the cooktop to prevent leaks. Do not remove the seal under any circumstances.

1.Screw each one of the clips into the position shown in the following image, so that they are free to rotate.

2.Turn the mounting brackets and tighten them fully. The orientation of the mounting brackets depends on how thick the countertop surface is.

For countertops between 2" (50 mm) and 2¾"

(70 mm) thick, insert a wooden block between the end of the adjusting screw and the bottom of the countertop.

Note: Do not overtighten adjusting screw.

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Required for installation in countertops that are between 2" (50 mm) and 2¾" (70 mm) thick.

DLong adjusting screw

Required for installation with wooden block available for purchase from Customer Service (order no. 10011930).

NOTICE: Do not use silicone to glue the cooktop to the countertop surface.

Connect Gas Supply

Side View Gas Cooktop Installation

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ACooktop Rough-in Box

BArrow on Pressure Regulator

CPressure Regulator

D1/2" Female Pipe Threads

EFlexible Gas Line

GPower Cord (40"/1 m)

H120 Volt Receptacle J Gas Cut-off Valve

KGas Supply Line Stub-out L Floor

Installing the Pressure Regulator

9WARNING

Do not attempt any adjustment of the pressure regulator, except when converting to propane. Adjustments could lead to leaks or cause incorrect gas pressure to the appliance.

Install the pressure regulator (supplied with unit) to manifold pipe using Teflon tape on threads of manifold pipe. Turn to hand tighten plus 1/4 turn, not exceeding 1 turn for alignment.

To prevent possible damage to the gas pressure regulator, install it after the cooktop is in its permanent position. When the regulator is securely installed on the manifold pipe, the conversion nut will be easily accessible.

For tight installations a suitable kit is available from Customer Service (order no. 00611084)

AAppliance Manifold Connection

BConversion Nut

CPressure Regulator

Connecting the Gas Supply Line

Connect the gas supply line to the unit pressure regulator using a 1/2" flex gas line connector between manual shut-off valve and pressure regulator. Always use a new flex line.

Checking Gas Line for Leaks

Check supply line connections for leaks using a soap solution or non-corrosive leak detection fluid. Do not use a flame of any sort.

1.Turn on gas.

2.Apply a soap solution or non-corrosive leak detection fluid to all joints and fittings in the gas connection between the shut-off valve and the cooktop. Include gas fittings and joints in the cooktop if connections may have been disturbed during installation.

Bubbles appearing around fittings and connections indicate a leak.

3.If a leak appears, turn off supply line gas shut-off valve and tighten connections.

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