Gas Piping; Venting - Kenmore ECONOMIZER 153.332318 Owner's Manual

Installation Instructions (cont'd)
Venting (cont'd)
All vent gases must be completely vented to the outdoors of the
structure (dwelling). Installonly the draft hood provided with
the new water heater and no other draft hood.
Vent pipes must be secured at each joint with sheet metal screws.
|
VENT PIPE INSTALLATION
TO
CHIMNEY
Gas Piping
AWARNING
Make sure the gas supplied is the same type listed on the
model rating plate. The inlet gas pressure must not exceed J
14 inches water column Vzpound per square inch (3.5kPa).
The minimum inlet gas pressure listed on the model rating [
p ate is for the purposeof input adjustment. J
AWARNING I
'the gascontrol valve is subjectedto pressuresexceeding ½ ]
pound per square inch (3.SkPa), the damage to the gascon- I
trol valve couldresult in a fire or explosionfT_n leakingge_ I
There must be a minimum of 6" clearance between single wall
vent pipe and any combustible material. Fill and seal any clear-
ance between single wall vent pipe and combustible material
with mortar mix, cement, or other noncombustible substance.
For other than single wall, follow vent pipe manufacturer's clear-
ance specifications. To insure a tight fit of the vent pipe in a
brick chimney, seal around the vent pipe with mortar mix
cement,
&WARNING I
Failure to have required clearancesbetween vent piping and
combustible material will result in a fire hazard.
AWARNING I
Be sure vent pipe is properly connected to prevent escape of
! dangerousflue gaseswhich couldcausedeadlyasphyxiation.
AWARNING
Chemical vapor corrosion of the flue and vent system may
occur if air for combustioncontainscertain chemicalvaper_
Spray can propellants,cleaning solvents,refrigerator and air
conditioner refrigerants, swimming pool chemicals,calcium
and sodium chloride,waxes,bleach,and process chemicalsare
typicalcompoundswhichare potentiallycorrosive.
&WARNING ]
If the maingasline shuix_servingall gasappliances k used,|
also turn "OFF" the gasat eachappliance. Leave all gasappli-|
ances shut oR'until t hewaterheaterinstallation iscomplete,|
A gas line of sufficient size must be run to the water heater.
Consult the latest edition of National Fuel Gas Code ANSI
Z223.1, also referred to as NFPA54 and the gas company concern-
ing pipe size.
There must be:
• A readily accessible manual shut off valve in the gas supply line
serving the water heater, and
• A drip leg (sediment trap) ahead of the gas control valve to help
prevent dirt and foreign materials from entering the gas control
V'dlve.
• A flexible gas connector or a ground joint union between the
shutoffvalve and control valve to permit servicing of the unit.
Be sure to check all the gas piping for leaks before lighting the
water heater. Use a soapy water solution, not a match or open
flame. Rinse offsoapy solution and wipe dr_
Standard Modds are for _stallation up to 3,300 feet above sea
level.
High Altitude Models are for installationfrom 3,300 to 5,500
feetabovesea level.
If a standard model is installedabove3,300 feet or a high altitude
mode1 is installed above 5,500 feet, the input rating must be
reduced at the rate of 4 percent for each 1,000 feetabove sea level.
Contact your local SearsService Center or gas utility for further
information.
AWARNING I
The applianceand its gasconnection must be leaktested
beforepacingtheapplance noperation.
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