7
L25
‐
056
(2/13)
3.
GAS
HOOK
UP
An adequate gas supply is imperative. Undersized lines or low-pressures will restrict the
volume of gas required for satisfactory performance. A steady supply pressure between 7"
and 8" w.c. for natural gas and 11" to 12" w.c. for propane gas is required. With all gas
appliances operating simultaneously, the manifold pressure on all gas appliances
should not show any appreciable drop. Fluctuations of more than 25% on natural and
10% on propane gas will create pilot problems, and affect burner-operating characteristics.
Contact your gas company for correct supply line sizes. After connection, all newly installed
equipment should be checked for correct gas pressure by a certified gas serviceman. The
unit should be connected ONLY to the type of gas for which it is equipped. Check the type
of gas on serial plate.
A. Attach regulator supplied with machine to inlet of the gas manifold. Be sure regulator is
connected so that gas flow is in the direction of the arrow on the bottom of the regulator.
Using a regulator other than the one supplied with the unit will void the warranty.
B. The manifold pressure must be maintained at the pressure marked on the serial plate:
4" w.c. for natural gas and 10" w.c. for propane gas.
C. Use pipe joint compound that is suitable for the LP gas on all threaded connections.
D. Turn off all burner valves.
E. Turn on gas supply and check all connections for leaks using ONLY a leak checking
fluid or soapy water. NEVER use an open flame to check for gas leaks.
F. Provision must be made for adequate air supply for both appliance and occupants.
G. Keep area in front of unit free from obstructions that could block flow of
combustion and ventilation air.
H. Be certain that adequate clearance is maintained so that air openings in front of unit are
not blocked and any subsequent service can be performed. No such clearance is
required on the sides. Sufficient clearance at rear is required for gas connections,
regulator, and any master shutoff valve(s) installed. Be sure there is no obstruction in
front.
I. The gas supply connection to this appliance is located in the rear of the appliances
approximately 4.795 in (12.179cm) from the base of the appliance for the FC models.
J. If this appliance cannot be adjusted to perform correctly contact your local authorized
service company or call the factory at the number on the back page of this manual.
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