Gas conversions, Warning, Natural gas conversion – Whirlpool FGP300JN0 User Manual

Page 7: L.p. gas conversion

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Natural gas conversion

1.

Check that the manual shutoff valve in the

gas supply line has been turned off.

2.

Remove burner grates, burners and

screws. Lift cooktop. Note: There is no cooktop
support rod.

Locate pressure regulator.

DO NOT REMOVE THE PRESSURE REGULATOR.

3.

Pressure regulator: Remove the cap from

the pressure regulator. Turn the cap over so that
N or NAT is visible. Replace the cap.

Gas conversions

Gas conversions (from Natural gas to L.P. gas; or
from L.P. gas to Natural gas) must be done by a
qualified installer.

Page 7

L.P. gas conversion

1.

Complete installation sections A-C (Pages

4-5) before converting cooktop to L.P. gas. Check
that the manual shutoff valve in the gas supply
line has been turned off.

2.

Remove burner grates, burners and

screws. Lift cooktop. Note: There is no cooktop
support rod.

Locate pressure regulator.

4.

Cooktop burners: Check that the control

knobs are in the “OFF” position. Remove all
control knobs. Remove manifold panel. Lift front
of bracket and push tube and bracket assembly
back off orifice.

DO NOT REMOVE THE PRESSURE REGULATOR.

3.

Pressure regulator: Remove the cap from

the pressure regulator. Turn the cap over so that
LP is visible. Replace the cap.

burner
tube

bracket

orifice

orifice

burner
tube

bracket

4.

Cooktop burners: Check that the control

knobs are in the “OFF” position. Remove all
control knobs. Remove manifold panel. Lift front
of bracket and push tube and bracket assembly
back off orifice.

5.

Locate L.P. gas orifice spuds in literature

package included with the range. All L.P. gas
spuds are stamped with “65”. Remove Natural
gas orifice spuds using a 3/8" combination
wrench. Install L.P. gas orifice spuds to replace
the Natural gas orifice spuds.

Place Natural gas orifice spuds in plastic parts
bag for future use and keep with literature
package.

Reinstall burner tube and bracket assemblies. Do
not lower cooktop.

orifice spuds

NAT

L.P.

L.R.

L.F.

R.R.

R.F.

gas

manifold

notches

pressure
regulator

burner

screw

pressure
regulator

burner

screw

LP

gasket

LP is visible

NAT

gasket

N or NAT
is visible

6.

Oven burner: Use 1/2" combination

wrench to turn the orifice hood down snug onto
pin (approximately 2 to 2-1/2 turns). DO NOT
OVERTIGHTEN.
The burner flame cannot be
properly adjusted if this conversion is not made.

7.

Locate selector key on oven thermostat and

turn clockwise to the L.P. position.

8.

Complete section D, “Gas connection”

Page 5.

9.

Lower cooktop. Reinstall screws to secure

burner tubes to cooktop. Reinstall burners and
grates.

10.

Check for proper flame. The small

inner cone should have a very distinct blue flame
1/4" to 1/2" long. The outer cone is not as distinct
as the inner cone. L.P. gas flames have a slightly
yellow tip. If the flame is noisy or blowing, it is
getting too much air. If the flame is soft and lazy,
it is not getting enough air. If burners need
adjusting, see section E, “Check operation,”
Page 6.

hood

pin

L.P. gas
decrease gas
decrease flame size

Natural gas
increase gas
increase flame size
pre-set at factory for Natural gas

L
P

N
A
T

Remove and replace
orifice spuds.

Note: Burner tube and
brackets not shown.

Fire Hazard

Shut off gas supply line valve.
Make all conversions before turning gas
supply valve back on.
Failure to follow these instructions can
result in explosion, fire or other injury.

WARNING

thermostat

gas
manifold

selector
key

oven burner
orifice behind
air shutter

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