Water piping, Water piping -13, A warning – Kenmore POWER MISER 153.330652 User Manual

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Water Piping

Alternatively a single permanent opening may be used when

communicating directly with the outdoors, or with spaces that

freely communicate with the outdoors. The opening shall

have a minimum free area of 1 square inch per 3,000 BTU
per hour (8.3 cm^/kW) of total input rating of all equipment in

the enclosure. See Figure 13A.

Louvers and Grilles: In calculating free area, consideration

shall be given to the blocking effect of louvers, grilles or
screens protecting openings. Screens used shall not be
smallerthan 1/4 inch (6.4 mm) mesh. Ifthe free area through

a design of louver or grille is known, it should be used in
calculating the size opening required to provide the free area

specified. Ifthe design and free area is not known, it may be

assumed that wood louvers will be 20-25 percent free area
and metal louvers and grilles will have 60-75 percent free
area. Louvers and grilles shall be fixed in the open position

or interlocked with the equipment so that they are opened

automatically during equipment operation.

Special Conditions Created by Mechanical Exhausting or
Fireplaces: operation of exhaust fans, ventilation systems,
clothes dryers or fireplaces may create conditions requiring

special attention to avoid unsatisfactory operation of installed
gas utilization equipment.

ADANGER

Water temperature over 125°F

(52“C) can cause severe burns
instantly resulting in severe injury
or death.

Children,

elderly,

and

the

physically or mentally disabled

areathighestriskforscald injury.

Feel water before bathing or

showering.

C

Temperature limiting valves are

available.

Read instruction manual for safe

temperature setting.

HOTTER WATER CAN SCALD:

Water heaters are intended to produce hot water. Water

heated to a temperature which will satisfy space heating,

clothes washing, dish washing, cleaning and other sanitizing

needs can scald and permanently injure you upon contact.

Some people are more likely to be permanently injured by

hot water than others. These include the elderly, children, the
infirm, orphysically/mentally handicapped. If anyone using hot

water in your home fits into one of these groups or if there is a

local code or state law requiring a certain temperature water

at the hot water tap, then you must take special precautions.

In addition to using the lowest possible temperature setting

that satisfies your hot water needs, a means such as a ‘mixing
valve should be used at the hot water taps used by these
people or at the water heater. Mixing valves are available at
plumbing supply or hardware stores. See Figure 14. Valves

for reducing point of use temperature by mixing cold and hot
water are also available. Follow manufacturer’s instructions
for installation of the valves. Before changing the factory

setting on the thermostat, read the Temperature Regulation
section in this manual.

FIGURE 14.

A WARNING

Toxic Chemical Hazard

Do not connect to non-potable water system.

12

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