Whirlpool FWFG550S0HZ Instructions D'installation page 6

Flexible metal appliance connector:
If local codes permit, a new CSA design-certified,
4 to 5 ft (122 to 152.4 cm) long, ½" (1.3 cm) or
¾" (1.9 cm) I.D., flexible metal appliance connector may
be used for connecting range to the gas supply line.
A ½" (1.3 cm) male pipe thread is needed for connection
to the female pipe threads of the inlet to the appliance
pressure regulator.
Do not kink or damage the flexible metal tubing when
moving the range.
Rigid pipe connection:
The rigid pipe connection requires a combination of pipe
fittings to obtain an in-line connection to the range. The rigid
pipe must be level with the range connection. All strains must
be removed from the supply and fuel lines so range will be
level and in line.
Must include a shutoff valve:
The supply line must be equipped with a manual shutoff
valve. This valve should be located in the same room but
external to the range opening, such as an adjacent cabinet. It
should be in a location that allows ease of opening and
closing. Do not block access to shutoff valve. The valve is for
turning on or shutting off gas to the range.
A
A. Gas supply line
B. Shutoff valve "open" position
C. To range
6
B
C
Gas Pressure Regulator
The gas pressure regulator supplied with this range must be
used. The inlet pressure to the regulator should be as follows for
proper operation:
Natural gas:
Minimum pressure: 5" WCP
Maximum pressure: 14" WCP
LP gas:
Minimum pressure: 11" WCP
Maximum pressure: 14" WCP
Contact local gas supplier if you are not sure about the inlet
pressure.
Burner Input Requirements
Input ratings shown on the model/serial rating plate are for
elevations up to 2,000 ft (609.6 m).
For elevations above 2,000 ft (609.6 m), ratings are reduced at a
rate of 4% for each 1,000 ft (304.8 m) above sea level (not
applicable for Canada).
Gas Supply Pressure Testing
Gas supply pressure for testing regulator must be at least
1" water column pressure above the manifold pressure shown on
the model/serial rating plate.
Line pressure testing above ½ psi gauge (14" WCP)
The range and its individual shutoff valve must be disconnected
from the gas supply piping system during any pressure testing of
that system at test pressures in excess of ½ psi (3.5 kPa).
Line pressure testing at ½ psi gauge (14" WCP) or lower
The range 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).