Gas Piping - Crown Boiler Phantom X series Installation And Operating Information
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- Installation and operating instructions manual (136 pages)
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A. Size gas piping.
Design system to provide adequate
gas supply to boiler. Consider these factors:
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pressure is ½ psig (3.4 kPa). Actual point of delivery
pressure may be less; contact gas supplier for
additional information. Minimum gas valve inlet
pressure is printed on the rating label located in the
boiler's vestibule compartment.
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WARNING
. Maximum allowable system
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90
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353
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726
1582
1087
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2. Maximum gas demand
input as printed on its rating label. Also consider
existing and expected future gas utilization
equipment (i.e. water heater, cooking equipment).
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Refer to Tables 17A (natural gas) or 17B (LP gas)
for maximum capacity of Schedule 40 pipe. Table
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gravity of 1.5 can be sized from Table 16B, unless
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gravity is not shown choose next higher value.
For materials or conditions other than those listed
above, refer to National Fuel Gas Code, ANSI Z223.1/
NFPA 54 or Natural Gas and Propane Installation
Code, CAN/CSA B149.1, or size system using standard
engineering methods acceptable to authority having
jurisdiction.
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. Refer to the boiler's
Gas piping systems for
50
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