Installation Instructions
AWARNING
•The applianceand its individualshutoffvalvemustbe discon- nectedfrom the gassupplypipingsystemduringanypressure testing of the gassystem at test pressuresin excessof poundper squareinch(3.SkPa).
•The appliancemustbe isolatedfrom the gassupplypipingsys- tem by dosingits individualmanualshutoffvalveduringany pressuretestingof the gassupplypipingsystemat test pres- suresequalor lessthan '/;poundper square inch(3.5k1_).
at WARNING | [ |
Use pipe joint compound or teflon tape marked as being [ resistantto the actionof petroleum [Propene (I.R)] gase_ I
SEDIMENT TRAP
A sediment trap shall be installed as dose to the inlet of the water heater as practical at the _me 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.
_,WARNING
Contaminantsin the gaslinesmay causeimproper ope_
of the gas comrol valvethat may result in fire or explesion.
Beforeattachingthe 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 readilyaccessibleInstallin. accordancewith the "Gas Piping" section.Refer to the latest edition of the National Fuel Gas
JCode, ANSI Z223.1, alsoreferredto asNFPA 54.
(cont'd)
GAS PIPING WITH
FLEXIBLE CONNECTOR
GS,_JND IOINT
U NlON(Opti°n_l) | _ | CO_EO | L |
CAP
GAS PIPING WITH ALL BLACK IRON
PIPE TO GAS CONTROL
GROUND JOINT _ |
| BLACK PIPE |
UNlON(Opdonll) | __ | / |
CONTvALvEROL
3"
m_ | GAS |
t,_ CAP
15
