HSL-32 Hibachi Griddle Operator Manual
Safety Considerations
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5
Natural Gas Supply Requirements
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A licensed plumber must install the required NG plumbing to supply your griddle
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Check the griddle’s rating plate (Figure 19) to ensure it specifies natural gas (NG) as the proper gas
supply type
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Make sure that the factory-supplied regulator (set to 4” water column pressure) is installed with the
arrow mark on the regulator pointing towards the griddle
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Use only pipe sealants that are specifically approved for use with NG
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A proper gas shutoff valve must be installed in a readily accessible location in the vicinity of the
griddle
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To ensure safe and satisfactory performance, the gas supply line must be sized to accommodate the
total BTU requirements of all the gas-fired equipment that will be connected to that line
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Do not use piping with less than 1/2” inside diameter or 1” outside diameter to connect this griddle
to NG supply line
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Flare ends: Do not use any tape, pipe dope, or threading compound on any flare threads; doing so
may cause a clog in the regulator and prevent your griddle from safe and proper operation
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Any pressure testing must be performed only by a qualified gas technician.
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Before and during pressure testing, the griddle and its individual shutoff valve must be disconnected
from the gas supply piping system, and the griddle must be isolated from the gas supply piping
system by completely closing its individual manual shutoff valve
LP Cylinder Requirements
The LP-gas supply cylinder must be constructed and marked in accordance with the
Specifications for LP-gas
Cylinders of the U.S. Department of Transportation (DOT)
designed for use with a Type 1 system, must be no
larger than 20 lb. capacity with 11” water column, and have:
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A shutoff valve, terminating in an LP gas supply tank valve outlet that is compatible with a Type 1
tank connection
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A safety relief device having direct communication with the vapor space of the cylinder
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UL listed Overfill Protection Device (OPD) with a unique triangular hand wheel (Figure 1)
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A collar to protect the cylinder threads on the customer supplied tank
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A QCC–1 fitting connection compatible with connection to outdoor cooking appliances
Figure 1 LP Cylinder Valve
