Installation Instructions
AWARNING
•The applianceand its individualshutoffvalvemustbe discon- nected from the gassupplypipingsystemduringanypressure testing of the gas system at test pressuresin excessof poundper squareinch(3.51dPa).
•The appliancemustbe isolatedfrem the gassupplypiping sys- tem by dosingits individualmanualshutoffvalveduringany pressuretestingof the gassupplypiping systemat test pres- suresequalor lessthan '/2poundper squareinch(3.SkPa).
_WARNING | 1 |
Use pipe joint comp_tape | marked as beingI |
resistantto the actionof petroleum [Propane (LR)] gase_ l
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. Ifa 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 causeimproperoperation of the gascontrol valvethat may result in fire or explosion. Beforeattachingthe gasline be surethat all gaspipeisclean on the inside.To trap any dirt or foreignmaterial in the gas supplyline, 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
Code,ANSI Z223,1,alsoreferred to as NFPA54.
(cont'd)
GAS PIPING WITH
FLEXIBLE CONNECTOR
FLEXIBLEGAS CONNECTOR
LABELED AS COMPLYING
WITH ANSI STANDING
GROUND
GAS
CONTROL
VALVE
"D_PLEG
(_dimenttrap)
CAP
GAS PIPING WITH ALL BLACK IRON
PIPE TO GAS CONTROL
GROUND | BLACK PIPE |
GAS
CONTROL
VALVE
DRIP LEG
ISedirnent
JCAP
15
