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SPECIFICATIONS MODEL 300 RESTAURANT RANGES
ONS SPECIFICATI
SPECIFICATIONS
NOTICE
Local codes regarding installation vary greatly from one area to another. The National Fire Protection
Association, Inc. states in its NFPA 96 latest edition that local codes are the “authority having
jurisdiction” when it comes to installation requirements for equipment. Therefore, installations should
comply with all local codes.
Southbend reserves the right to change specifications and product design without notice. Such
revisions do not entitle the buyer to corresponding changes, additions, or replacements for previously
purchased equipment.
This product is intended for commercial use only, not for household use.
The installation must conform with local codes, or in the absence of local codes, with the National
Fuel Gas Code, ANSI Z223.1, Natural Gas Installation Code, CAN/CGA-B149.1, or the Propane
Installation Code CAN/CGA-B149.2, as applicable, including:
1. The appliance 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 1/2 psi (3.45
kPa).
2. The appliance 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 1/2 psi (3.45 kPa).
GAS SUPPLY
The Serial Plate is located in the compartment below the oven on the right side (on double units - left oven).
It indicates the type of gas the unit is equipped to burn. All Southbend equipment is adjusted at the factory.
Check type of gas on serial plate.
These models are design-certified for operation on natural or propane gases. For natural gas, the regulator is
set to deliver a 4" W.C. pressure to the manifold. For propane gas, it is set to deliver 10" W.C.
If applicable, the vent line from the gas appliance pressure regulator shall be installed to the outdoors in
accordance with local codes, or in the absence of local codes, with the National Fuel Gas Code, ANSI
Z223.1, Natural Gas Installation Code, CAN/CGA-B149.1, or the Propane Installation Code CAN/CGA-
B149.2, as applicable.
This appliance should be connected ONLY to the type of gas for which it is equipped.
An adequate gas supply is imperative. Undersized or low pressure lines will restrict the volume of gas
required for satisfactory performance. Fluctuations of more than 25% on natural gas or 10% on propane gas
will create problems and affect burner operating characteristics. A 1/8" pressure tap is located on the
manifold to measure the manifold pressure.
An adequate gas supply line to the unit should be no smaller than the inside diameter of the pipe from the
unit to which it is connected.
Purge the supply line to clean out dust, dirt, or other foreign matter before connecting the line to the unit.
All pipe joints and connections must be tested thoroughly for gas leaks. Use only soapy water for testing on
all gases. NEVER use an open flame to check for gas leaks. All connections must be checked for leaks after
the unit has been put into operation. Test pressure should not exceed 14" W.C.
PAGE 4 OPERATOR’S MANUAL 1182298 REV 3