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Page 32

GAS PRESSURE REFERENCE

GAS PRESSURE

Pressure

Value

Gas supply line pressure

Natural gas and liquid propane maximum

14" wc

Natural gas minimum

7" wc

Liquid propane minimum

11" wc

Natural gas manifold pressure

5" wc

Liquid propane manifold pressure

10" wc

ORIFICE QUICK REFERENCE CHART

Part Description

Part Number

Orifice Size

Part Number

Stamped

Size

Burner valve, 18K, Nat.

827463

Simmer

817308

.79 mm

Main

819770

.67 mm

Burner valve, 18K, LP

828043

Simmer

816465

.43 mm

Main

816465

.43 mm

Burner valve, 12K, Nat.

827462

Simmer

816788

.50 mm

Main

816731

.57 mm

Burner valve, 12K, LP

827486

Simmer

816538

.33 mm

Main

817372

.38 mm

Burner valve, 9.2K, Nat.

827466

Simmer

816788

.50 mm

Main

816610

.54 mm

Burner valve, 9.2K, LP

828132

Simmer

816538

.33 mm

Main

816823

.34 mm

Orifice holder, 20K, Nat.

826443

Simmer

817193

.79 mm

Main

824936

205

2.05 mm

Orifice holder, 20K, LP

826444

Simmer

817192

.79 mm

Main

824937

132

2.05 mm

Orifice holder, 18K, Nat.

823061

Simmer

817193

.79 mm

Main

824936

205

2.05 mm

Orifice holder, 18K, LP

823074

Simmer

817192

.47 mm

Main

824937

132

1.35 mm

Orifice holder, 12K, Nat.

819299

Simmer

816749

.65 mm

Main

816750

159

1.59 mm

Orifice holder, 12K, LP

824288

Simmer

817192

.47 mm

Main

819768

105

1.05 mm

Orifice holder, 9.2K, Nat.

819297

Simmer

816749

.65 mm

Main

816664

140

1.40 mm

Orifice holder, 9.2K, LP

819298

Simmer

817371

.41 mm

Main

817370

.93 mm

Note: Natural gas units installed over 9,900 ft may require a high altitude conversion kit.

CG Professional Gas Cooktop Service Manual

Technical Data

TECHNICAL DATA

service.subzero.com

828386 REV. A 06/2018

Summary of Contents for CG Series

Page 1: ...General Information 2 Component Access Removal 4 Troubleshooting Guide 29 Technical Data 32 Wiring Diagrams 33 subzero com 800 222 7820 CG Professional Gas Cooktop Service Manual ...

Page 2: ... nor any information or images contained herein may be copied or used in whole or in part without the express written consent of Wolf Appliance Inc Wolf Appliance Inc all rights reserved WOLF PRODUCT RATING PLATE INFORMATION For CG Gas Cooktops the product rating plate is located below the unit Product Rating Plate Important information for each product is listed on the product rating plate Rating...

Page 3: ...laimsAndOrderProcessing Pages WarrantyInfo Warranties start on the day of product installation Search for warranty and service information by serial number customer last name and address using Unit History at http service subzero com Tools UnitHistory CG Professional Gas Cooktop Service Manual General Information service subzero com 828386 REV A 06 2018 2 ...

Page 4: ...rom the unit SPARK MODULE INSTALLATION Install the Spark Module 1 Place the spark module onto the igniter bracket 2 Use a Phillips screwdriver to install the screws holding the spark module to the igniter bracket 3 Connect the white wire connector to the neutral N terminal 4 Connect the red wire connector to the L1 terminal 5 Connect the electrode wire to the spark module 6 Raise the screw side of...

Page 5: ...ly Install the Burner Grate Place the burner grate onto the cooktop KNOB REMOVAL Remove the Knob Pull the knob away from the unit KNOB INSTALLATION Install the Knob Push the knob onto the valve shaft BEZEL REMOVAL WARNING Turn off the power to the product before starting this procedure Remove the Knob Pull the knob away from the unit CG Professional Gas Cooktop Service Manual service subzero com 8...

Page 6: ...ner cap CAUTION The unit might be supported by the burner pan The unit must be uninstalled if more than one burner assembly or the burner pan is being removed WARNING Turn off the power to the product before starting this procedure Remove the Burner Grate Lift the burner grate from the unit Remove the Burner Cap Remove the burner cap from the burner assembly Remove the Burner Assembly 1 Use a T 15...

Page 7: ...nstall the Burner Grate Place the burner grate onto the cooktop IGNITER REMOVAL To remove the igniter first remove the burner grate burner cap and burner assembly Remove the Burner Grate Lift the burner grate from the unit Remove the Burner Cap Remove the burner cap from the burner assembly Remove the Burner Assembly 1 Use a T 15 Torx bit to remove the screws holding the burner assembly to the ori...

Page 8: ...e burner pan 3 Use a T 15 Torx bit to install the screws holding the burner assembly to the orifice holder torqued to 24 in lb Install the Burner Cap Place the burner cap onto the burner assembly Install the Burner Grate Place the burner grate onto the cooktop ORIFICE REMOVAL The main and simmer orifices are threaded into the orifice holder and may be removed without removing the orifice holder To...

Page 9: ...NSTALLATION WARNING When installing the orifice to the orifice holder only pipe thread compound should be used Do not use Teflon tape to seal gas connections Install the Orifice Use a 9 32 socket with extension to install the orifice into the orifice holder Install the Burner Assembly 1 Attach the electrode wire to the igniter 2 Place the burner assembly into the burner pan 3 Use a T 15 Torx bit t...

Page 10: ...ssembly or the burner pan is being removed CAUTION If the gas line is not long enough to stay connected when the unit is pulled out of the opening the gas may need to be disconnected Remove All Burner Grates Lift all burner grates from the unit Remove All Burner Caps Remove all burner caps from the burner assemblies Uninstall the Unit Remove the unit from the installation Remove All Knobs Pull all...

Page 11: ...Burner Pan Place the burner pan on the burner box Install All Burner Assemblies To install each burner assembly 1 Attach the electrode wire to the igniter 2 Place the burner assembly into the burner pan 3 Use a T 15 Torx bit to install the screws holding the burner assembly to the orifice holder torqued to 24 in lb Install All Bezels To install each bezel 1 Connect the bezel to the light wire harn...

Page 12: ... not long enough to stay connected when the unit is pulled out of the opening the gas may need to be disconnected Remove All Burner Grates Lift all burner grates from the unit Remove All Burner Caps Remove all burner caps from the burner assemblies Uninstall the Unit Remove the unit from the installation Remove All Knobs Pull all of the knobs away from the unit Remove All Bezels To remove each bez...

Page 13: ...trode Wire Remove the Burner Pan Lift the burner pan from the burner box Remove the Receptacle 1 Use a Phillips screwdriver to remove the mounting screws from the receptacle 2 Remove the receptacle from the unit RECEPTACLE INSTALLATION Install the Receptacle 1 Install the receptacle onto the burner valve 2 Use a Phillips screwdriver to install the mounting screws into the receptacle Install the Bu...

Page 14: ...the Unit Install the unit Install All Burner Caps Install all burner caps onto the burner assemblies Install All Burner Grates Place all burner grates onto the cooktop ORIFICE HOLDER REMOVAL WARNING Turn off the power to the product before starting this procedure CAUTION If the gas line is not long enough to stay connected when the unit is pulled out of the opening the gas may need to be disconnec...

Page 15: ... assembly from the burner pan 3 Remove the electrode wire from the igniter 4 Remove the burner assembly from the unit Burner Cap Burner Assembly Igniter Electrode Wire Remove the Burner Pan Lift the burner pan from the burner box Remove the Orifice Holder CAUTION Do not lift the manifold to remove the tube fittings Gas tubes provide support to the manifold Deforming the gas tube may cause knob ali...

Page 16: ...mbly into the burner pan 3 Use a T 15 Torx bit to install the screws holding the burner assembly to the orifice holder torqued to 24 in lb Install All Bezels To install each bezel 1 Connect the bezel to the light wire harness 2 Insert the bezel into the unit 3 Twist the bezel 90 clockwise Install All Knobs Push each knob onto each valve shaft Install the Unit Install the unit Install All Burner Ca...

Page 17: ...zel 1 Twist the bezel 90 counterclockwise 2 Pull the bezel from the pan 3 Disconnect the bezel from the light wire harness 4 Remove the bezel from the unit Remove All Burner Assemblies To remove each burner assembly 1 Use a T 15 Torx bit to remove the screws holding the burner assembly to the orifice holder 2 Lift the burner assembly from the burner pan 3 Remove the electrode wire from the igniter...

Page 18: ...wire from the common C terminal VALVE SWITCH INSTALLATION Install the Valve Switch 1 Install the red wire onto the common C terminal 2 Install the black wire onto the normally open NO terminal 3 Place the switch onto the valve 4 Use a Phillips screwdriver to install the color coded screw onto the switch TIP Do not over torque the screw when installing the new switch Install the Receptacle 1 Instal...

Page 19: ...r assemblies Install All Burner Grates Place all burner grates onto the cooktop BURNER VALVE REMOVAL To remove the burner valve first remove the burner grates and burner caps Uninstall the unit and then remove the knobs bezels burner assemblies burner pan and receptacles WARNING Turn off the power and gas to the product before starting this procedure CAUTION If the gas line is not long enough to s...

Page 20: ...move the screws holding the burner assembly to the orifice holder 2 Lift the burner assembly from the burner pan 3 Remove the electrode wire from the igniter 4 Remove the burner assembly from the unit Burner Cap Burner Assembly Igniter Electrode Wire Remove the Burner Pan Lift the burner pan from the burner box Remove the Receptacle 1 Use a Phillips screwdriver to remove the mounting screws from t...

Page 21: ...l the simmer burner tube 5 Install the black wire onto the normally open NO terminal 6 Install the red wire onto the common C terminal Install the Receptacle 1 Install the receptacle onto the burner valve 2 Use a Phillips screwdriver to install the mounting screws into the receptacle Install the Burner Pan Place the burner pan on the burner box Install All Burner Assemblies To install each burner ...

Page 22: ...nit from the installation Remove All Knobs Pull all of the knobs away from the unit Remove All Bezels To remove each bezel 1 Twist the bezel 90 counterclockwise 2 Pull the bezel from the pan 3 Disconnect the bezel from the light wire harness 4 Remove the bezel from the unit Remove All Burner Assemblies To remove each burner assembly 1 Use a T 15 Torx bit to remove the screws holding the burner ass...

Page 23: ...nstall the brass fitting onto the regulator outlet 2 Place the regulator and regulator bracket in the unit 3 Use a 1 4 combination wrench to install the retaining nut into the regulator bracket 4 Use a 5 8 combination wrench to install the regulator outlet line onto the brass fitting 5 Connect the external gas supply line to the 1 2 NPT nipple on the inlet of the regulator WARNING Only pipe thread...

Page 24: ... knobs bezels burner assemblies burner pan receptacles and burner valves TIP It is unnecessary to remove gas lines or switch wiring from burner valves to replace the manifold WARNING Turn off the power and gas to the product before starting this procedure CAUTION If the gas line is not long enough to stay connected when the unit is pulled out of the opening the gas may need to be disconnected Remo...

Page 25: ...s holding the burner assembly to the orifice holder 2 Lift the burner assembly from the burner pan 3 Remove the electrode wire from the igniter 4 Remove the burner assembly from the unit Burner Cap Burner Assembly Igniter Electrode Wire Remove the Burner Pan Lift the burner pan from the burner box Remove All Receptacles To remove each receptacle 1 Use a Phillips screwdriver to remove the mounting ...

Page 26: ...tacles To install each receptacle 1 Install the receptacle onto the burner valve 2 Use a Phillips screwdriver to install the mounting screws into the receptacle Install the Burner Pan Place the burner pan on the burner box Install All Burner Assemblies To install each burner assembly 1 Attach the electrode wire to the igniter 2 Place the burner assembly into the burner pan 3 Use a T 15 Torx bit to...

Page 27: ...t driver or socket to remove the screw holding the igniter bracket to the burner box 2 Lower the screw side of the igniter bracket 3 Disconnect the electrode wire from the spark module 4 Remove the electrode wire from the unit ELECTRODE WIRE INSTALLATION Install the Electrode Wire 1 Feed the electrode wire from the burner assembly opening down to the spark module 2 Anchor the electrode wire to the...

Page 28: ... T 15 Torx bit to install the screws holding the burner assembly to the orifice holder torqued to 24 in lb Install the Burner Cap Place the burner cap onto the burner assembly Install the Burner Grate Place the burner grate onto the cooktop CG Professional Gas Cooktop Service Manual service subzero com 828386 REV A 06 2018 27 ...

Page 29: ...r splice in electrode wire Replace the electrode wire Bad wire connection at spark module Repair the wire connection Defective spark module Replace the spark module Incorrect gas pressure Check the gas pressure and adjust it if necessary Poor ignition at surface burner s Igniter not positioned properly single burner Reposition the igniter The igniter should be seated in the burner pan Partially pl...

Page 30: ...a maximum of 14 wc The outlet of the regulator must be 5 5 wc 0 0 wc The maximum pressure drop from maximum flow to low flow must be less than 5 wc Liquid Propane Specifications The supply pressure to the inlet of the unit regulator must be between a minimum of 11 wc and a maximum of 14 wc The outlet of the regulator must be 10 5 wc 0 0 wc The maximum pressure drop from maximum flow to low flow mu...

Page 31: ...flow pressure is 9 5 wc Pressure drop is 5 wc Unit fails pressure test Common Reasons for Pressure Issues Most often an excessive drop in pressure between low flow and maximum flow is caused by insufficient volume of gas Ensure the following items are to specification If a flex line is installed it must be at least 1 2 internal diameter ID and no longer than 3 feet long Many times the line is 1 2 ...

Page 32: ...54 54 mm Burner valve 9 2K LP 828132 Simmer 816538 33 33 mm Main 816823 34 34 mm Orifice holder 20K Nat 826443 Simmer 817193 79 79 mm Main 824936 205 2 05 mm Orifice holder 20K LP 826444 Simmer 817192 47 79 mm Main 824937 132 2 05 mm Orifice holder 18K Nat 823061 Simmer 817193 79 79 mm Main 824936 205 2 05 mm Orifice holder 18K LP 823074 Simmer 817192 47 47 mm Main 824937 132 1 35 mm Orifice holde...

Page 33: ...WOLF PROFESSIONAL GAS COOKTOP WIRING DIAGRAMS 30 Professional Gas Cooktop CG304P CG Professional Gas Cooktop Service Manual Wiring Diagrams WIRING DIAGRAMS service subzero com 828386 REV A 06 2018 32 ...

Page 34: ...36 Professional Gas Cooktop CG365P CG Professional Gas Cooktop Service Manual Wiring Diagrams service subzero com 828386 REV A 06 2018 33 ...

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