Gas Piping - Maytag Performa HJ630NORT User Manual

Instructions for Installation (cont'd)
All vent gases must be completely vented to the outdoors of the
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stmcmre(dwelling). Install only the draft hood providedwith the If the main gas line shutoff serving all gas appli-
new water heaterand no other draft hood. ances is used, also turn "OFF" the gas at each appli-
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Vent pipes must be secured at each joint with sheet metal screws, ance. Leave all gas appliances shut off until the
water heater installation is complete.
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A gas line of sufficient size must be run to the water heater.
CHIMNEY
PERLINEAR FOOT ] Consult the current edition of National Fuel Gas Code ANSI
, I Z223.1, also referred to as NFPA 54 and the gas company
VENT PIPEINSTALLATION concerning pipe size.
There must be a minimum of 6" clearance between single wall There must be:
vent pipe and any combustible material. Fill and seal any clearance • A readily accessible manual shut offvalve in the gas supply
between single wall vent pipe and combustible material with mot- line serving the water heater, and
tar mix, cement, or other noncombustible substance. For other • A drip leg (sediment trap) ahead of the gas control valve to
than single wall, follow vent pipe manufacturer's clearance specifi- help prevent dirt and foreign materials from entering the gas
cations. To insure a fight fit of the vent pipe in a brick chimney, control valve.
seal around the vent pipe with mortar mix cement. • A flexible gas connector or a ground joint union between the
shutoff valve and control valve m permit servicing of the unit.
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Failure to have required clearances between vent pip-
Be sure to check all the gas piping for leaks before lighting the
ing and combust b e mater a w resu t n a f re hazard, water heater. Use a soapy water solution, not a match or open
flame. Rinse off soapy solution and wipe dry.
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Be sure vent pipe is properly connected to prevent ]
StandardModeis are for installation up to 3,300 feet above
escape of dangerous flue gases which could cause I
sealevel.
deadly asphyxiation. ]
High Altitude Models are for installation from 3,300 to
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5,500 feet above sea level.
Chemical vapor corrosion of the flue and vent system
may occur if air for combustion contains certain chemi-
Ira standard model is installed above 3,300 feet or a high alti-
cal vapors. Spray can propellants, cleaning solvents, I
rode model is installed above 5,500 feet, the input rating must
refrigerator and air conditioner refrigerants, swimming
poo/chemicals, calcium and sodium chloride, waxes, be reduced at the rate of 4 percent for each 1,000 feet above sea
bleach, and process chemicals are typical compounds
level which requires replacement of the burner orifice in accor-
which are potentially corrosive. J dance with the National Fuel Gas Code ANSI Z223.1 / NFPA
54. Contact your local gas utility for further information.
Gas Piping
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Failure to replace the orifice could result in improper
Make sure the gas supplied is the same type listed on and inefficient operation of the appliance, produc-
the model rating plate. The inlet gas pressure must not ing carbon monoxide gas in excess of safe limits,
exceed 10.5 in. water column (2.6kPa) for natural gas which could result in serious injury or death.
or 13 in. water column (3.2kPa) for propane (L.R) gas. Contact your gas supplier for any specific changes
The minimum inlet gas pressure listed on the model which may be required in your area.
rating plate isfor the purpose of input adjustment.
AWARNING The appliance AWARNING I and its gas connection must be leak
If the gas control valve is subjected to pressures I tested before placing the appliance in operation.
exceeding _½ pound per square inch (3.5kPa), the dam- I
age to the gas control valve could result in a fire or
exp osion from eaking gas.
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