Installation Instructions (cont'd)
A, WARNING
•The appliance and its individualshutoffvalvemust:be discon- nectedfrom the gassupplypipingsystemduringany pressure testing of the gassystem at test pressuresin excessof poundper squareinch(3.5kPa).
•The appliancemust be isolatedfrom the gassupplypipingsys tem by closingits individualmanualshutoffvalveduring any pressuretestingof the gassupplypipingsystemat test pres- suresequalor lessthan ½ poundper square inch(3.5kPa).
GAS PIPING WITH
FLEXIBLE CONNECTOR
O,OO OO T
UNlON(Opti_ | VE |
li WARNING
Use pipe joint compound or teflon tape marked as being resistant to the actionof petroleum [Propane (L.R)] gases.
SEDIMENT TRAP
A sediment trap shall be installed as close to the inlet of the water heater as practical at the time of water heater installation. The sediment trap shall be either a tee fitting with a capped nip- ple in the bottom outlet or other device recognized as an effec- tive sediment trap. If a tee fitting is used, it shall be installed in conformance with one of the methods of installation shown below.
Connecting the gas piping to the gas control valve of the water heater can be accomplished by either of the two methods shown,
li WARNING
Contaminantsin the gaslinesmay causeimproper operation of the gascontrol valvethat may result in Ere or explosion. Before attachingthe gasline be surethat all gaspipe isclean on the inside.To trap any dirt or foreign material in the gas supply line, a drip leg (sometimes called a sediment trap) must be incorporated in the piping. The drip leg must be readily accessibleInstallin. accordancewith the "Gas Piping" section. Refer to the latest edition of the National Fuel Gas Code, ANSI Z223.1, also referred to asNFPA 54.
CAP
GAS PIPING WITH ALL BLACK IRON PIPE TO GAS CONTROL
GROUND JOINT _ | BLACK PIPE |
GAS
CONTROL
VALVE
UNION(Optional) __
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