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Installation Convert LP Gas Model ZGU385LSMSS
Instructions
to Natural Gas Operation
ADJUST 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.
• 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.
1
CHANGE BURNER ORIFICES
INSTALLATION TIP: First remove all
orifices and then start replacing them.
This will help to prevent the possibility
that some may not be replaced.
A. Remove the burner grates,
burner caps and burner heads.
B. Using a 7mm nut driver, remove the
top burner orifices. There are two
orifices per burner.
The main orifice is
located low in the center
of the burner, while the
simmer orifice is located
higher beside the center
of the burner.
2
DOWN
FOR OFF
NAT
LP
LP
NAT
LP
NAT
NAT
LP
Gasket
Cap
Spring
retainer
L.P./propane
position
NAT.
position
Pressure regulator
Burner cap
Burner
head
Burner
base
Spark igniter
Main
orifice
Simmer
orifice
SAFETY INFORMATION
The pressure regulator and burner orifices are set for LP
gas operation.
To convert this cooktop from LP gas operation to
natural gas operation, the regulator and burner orifices
must be converted. Natural gas 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
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
could result in serious injury. Be sure pressure regulator
has been converted as described in Step 1.
TOOLS YOU WILL NEED FOR
CONVERSION
Safety glasses
Small flat-head
screwdriver
(2 to 2.4 mm or
3/32″ tip size,
60 mm long)
Crescent wrench
7mm nutdriver
If sold outside the U.S. and Canada:
WARNING:If you wish to use this product
with Liquefied Petroleum (LP) gas containing greater
than 10% butane, you must purchase the butane
conversion kit #WB28T10237. To order, please call
1.888.664.8403 or 1.787.276.4051.