Installation Instructions

Convert Natural Gas Model ZGU385NSMSS to LP Gas Operation

SAFETY INFORMATION

The pressure regulator and burner orifices are set for natural gas operation.

To convert this cooktop from natural gas operation to LP operation, the regulator and burner orifices must be converted. LP burner orifices are attached to the regulator.

CAUTION — The cooktop, as shipped from the factory, is set for use with its intended gas. If you wish to use your cooktop with the alternate gas, you must first replace the orifices and convert the pressure regulator.

WARNING — This conversion must be performed by a qualified installer or gas supplier in

1ADJUST THE REGULATOR

A.Disconnect all electrical power, at the main circuit breaker or fuse box.

B.Shut off the gas supply to the cooktop by closing the manual shut-off valve.

C.Adjust the pressure regulator by the following instructions:

Unscrew the cap.

Place your thumb against the flat side of the spring retainer and press down to remove the retainer.

Carefully look at the spring retainer to locate the NAT or LP position.

Cap Gasket

accordance with the manufacturer’s instructions and all codes and requirements of the authority having jurisdiction. Failure to follow instructions could result in serious injury or property damage. The qualified agency performing this work assumes responsibility for the conversion.

CAUTION — The following adjustments must be made before turning on the burner. Failure to do so

LP

NAT

LP

NAT

NAT.

position

NAT

LP

 

Spring

NAT

retainer

LP

 

L.P./propane position

OFF FOR

DOWN

could result in serious injury. Be sure pressure regulator has been converted as described in Step 1.

TOOLS YOU WILL NEED FOR

CONVERSION

Crescent wrench

7mm nutdriver

 

Small flat-head

Safety glasses

screwdriver

(2 to 2.4 mm or

 

3/32tip size,

 

60 mm long)

Pressure regulator

Turn the spring retainer over so that the desired gas is showing on the bottom.

Snap the retainer back into position.

Screw the cap back onto the regulator.

2 CHANGE BURNER ORIFICES

INSTALLATION TIP: First remove all

Burner cap

orifices and then start replacing them.

 

This will help to prevent the possibility

 

that some may not be replaced.

Burner

 

A. Remove the burner grates,

 

head

 

burner caps and burner heads.

 

B. Using a 7mm nut driver, remove the

 

top burner orifices. There are two

 

orifices per burner.

 

 

Burner

The main orifice is

Spark igniter

base

located low in the center

 

 

 

of the burner, while the

Simmer

Main

simmer orifice is located

orifice

 

higher beside the center

 

orifice

of the burner.

 

 

 

 

 

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GE ZGU385L, ZGU385N Safety Information, Adjust the Regulator, Tools YOU will Need for Conversion, Change Burner Orifices