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Service, Installation & Care Manual
9
02. EQUIPMENT INSTALLATION
2.4 Gas Installation
Your gas appliance will give you peak performance when the gas supply line is of
sufcient size to provide the correct gas pressure. The gas line must be installed to
meet the local building codes or National Fuel Gas Code ANSI Z223.1 Latest Edition.
In Canada, install the appliance in accordance with CAN/CGA-B149.1 or .2 and local
Codes. Gas line sizing requirements can be determined by your local gas company
or, in North America, by referring to the National Fuel Gas Code, Appendix C, Table
C-4 (for natural gas) and Table C-16 (for propane). The gas line needs to be large
enough to supply the necessary amount of fuel to all appliances without losing
pressure to any appliance.
Installation of this appliance must be in accordance with local installation codes,
including:
1. The appliance and its individual shut off valve must be disconnected from the gas
supply piping system during any system pressure testing when this test pressure
exceeds 1/2 PSI (3.45 kPa).
2. The appliance shall be isolated from the gas supply piping system by closing the
manual shut off valve during any pressure test of the gas supply piping system at test
pressures equal to or less than 1/2 PSI (3.45 kPa).
Gas Connection
The external thread of equipment’s intake-tube is 3/4" NPT. For proper operation,
the gas supply line must be the same size or larger. Gas line size should not be reduced
at any point along the supply line.
Manual Shut Off Valve
A gas pressure regulator and a shut off valve supplied by the technical shall be
installed in the gas service line before the appliance - in a physical location where it can
be reached quickly in an emergency.
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