beautypg.com

State PR6 50 NHDST2 User Manual

Page 8

background image

8

These devices are available from some plumbing supply wholesalers
and retailers, and detect and react to leakage in various ways:

Sensors mounted in the drain pan that trigger an alarm or turn off
the incoming water to the water heater when leakage is detected.

Sensors mounted in the drain pan that turn off the water supply to
the entire home when water is detected in the drain pan.

Water supply shut-off devices that activate based on the water
pressure differential between the cold water and hot water pipes
connected to the water heater.

Devices that will turn off the gas supply to a gas water heater while
at the same time shutting off its water supply.

INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQUIDS
(VAPORS) ARE LIKELY TO BE PRESENT OR STORED (GARAGES,
STORAGE AND UTILITY AREAS, ETC.): Flammable liquids (such as
gasoline, solvents, propane [LP or butane, etc.] and other substances
such as adhesives, etc.) emit flammable vapors which can be ignited
by a gas water heater’s pilot light or main burner. The resulting flashback
and fire can cause death or serious burns to anyone in the area, as
well as property damage. If installation in such areas is your only
option, then the installation must be accomplished in a way that the pilot
flame and main burner flame are elevated from the floor at least 18
inches. While this may reduce the chances of flammable vapors, from
a floor spill being ignited, gasoline and other flammable substances
should never be stored or used in the same room or area containing a
gas water heater or other open flame or spark producing appliance.
NOTE: Flammable vapors may be drawn by air currents from other
areas of the structure to the appliance.

Also, the water heater must be located and/or protected so it is not
subject to physical damage by a moving vehicle.

This water heater must not be installed directly on carpeting. Carpeting
must be protected by metal or wood panel beneath the appliance
extending beyond the full width and depth of the appliance by at least
3 inches (76.2 mm) in any direction, or if the appliance is installed in an

alcove or closet, the entire floor must be covered by the panel. Failure
to heed this warning may result in a fire hazard.

A gas water heater cannot operate properly without the correct amount
of air for combustion. Provide ventilation and combustion air by means
of an air intake duct assembly as stated in “Water Heater Installation”.
Never obstruct the flow of ventilation air. If you have any doubts or
questions at all, call your gas supplier. Failure to provide the proper
amount of combustion air can result in a fire or explosion and cause
death, serious bodily injury, or property damage.

If this water heater will be used in beauty shops, barber shops, cleaning
establishments, or self-service laundries with dry cleaning equipment,
it is imperative that the water heater or water heaters be installed so
that combustion and ventilation air be taken from outside these areas.
Propellants of aerosol sprays and volatile compounds, (cleaners,
chlorine based chemicals, refrigerants, etc.) in addition to being highly
flammable in many cases, will also change to corrosive hydrochloric
acid when exposed to the combustion products of the water heater.
The results can be hazardous, and also cause product failure.

INSULATION BLANKETS

• Install water heater in accordance

with the instruction manual and
NFPA 54.

• To avoid injury, combustion and

ventilation air must be taken from
outdoors.

• Do not place chemical vapor

emitting products near water
heater.

• Do not obstruct water heater air

intake with insulating blanket.

• Gas and carbon monoxide detec-

tors are available.

• Install water heater in accordance

with the instruction manual.