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Instructions for Installation (cont'd)
Locating the New Water
Combustion Air and Exhaust
Heater (cont'd)
Whon determining the installation location for a power direct
vent water heater, snow accumulation and drifting should be
_WARNING
considered in areas where applicable.
This water heater must not be installed directly on
carpeting. Carpeting must be protected by a metal
VENTING CLEARANCES
or wood
panel beneath
the appliance
extending
beyond
the full width
and depth
of the appliance
Venting Through an Outside Wall- Clearances
by at least 3 inches (76.2mm) in any direction, or if
" 0" ciearance for 3" PVC, ABS or CPVC Schedule 40 vent
the appliance is installed in an alcove or closet, the
piping from combustible surfaces.
entire floor must be covered by the panel. Failure
to heed this warning may result in a fire hazard.
• 18" minimum in all directions from any obstruction that may
interfere.
1
* 12" minimum from the ground, 9" ceiling overhangs.
_,WARNING
J
Figure 2, page 12.
Minimum clearanc_e
water heater and [
combustible construction are 0" at the sides and rear, |
• The Power Direct Vent outlet terminal shall terminate at least
6" at the front to closet door, and 0" from the vent I
36" above any forced air inlet located within I0 feet. Figure 3,
pipe. Clearance from the top of the jacket is 14".
j
page 12.
• The Power Direct Vent outlet terminal of 40,000 Btuh orless
models shall terminate at least 9" below, 9" horizontally from or
_0.M[]
_.i,:
9" above any door, window or gravity air inlet into the building.
_
_'
Figure 3, page 12.
v
• The Power Direct Vent outlet terminal of 65,000 and 70,000
vo,v,_w"
'o..,..
Btuh models,, s hall terminate at . .... least 12" below, 12" horizontally
orctosrr
from or 12 above any door, window or gravaty lur inlet into the
WITHOUTDOOR
"COP VIEW
OF CLOSET
wIT. ooo.
building. Figure 3, page 12.
FRONTViEW
OF ooo,
" 18" minimum from other natural draft (gravity) direct vent,
Figure 1 ]
vent or
direct vent appfiance inlet and/or outlet
power
power
J
vent(s) when directly above or 135° to either side of center
line. Figure 4, page 12.
Air for ventilation should be provided if installed in a confined
* 24" minimum from any appliance inlet and/or outlet vents
space. Refer to the National Fuel Gas Code, ANSI Z223.1.
when directly below or 45° to either side of center line. Figure
4, page 12.
AWARNING
• 18" minimum in all directions from any obstruction that may
Do not install in a confined area such a closet, unless
interfere. Figure 3, page 12.
you provide ventilation
air as shown in Figure 1.
• The location selection must provide clearances for servicing
Never obstruct the flow of ventilation
air. If you
and proper operation of the water heater. Figure 5, page 12.
have any doubts or questions at all, call your gas
company.
Failure to provide
ventilation
air can result
,, Vent termination must not be within 4 feet of any items such
in a fire or explosion and can cause DEATH, SERIOUS
as gas meters, gas valves or other gas regulating equipment.
BODILY INJURY, OR PROPERTYDAMAGE.
• The venting system must be installed in a manner which
allows inspection of the installation of the venting pipes and
il WARNING
joints as well as periodic inspection after installation as
If this water heater will be used in beauty shops,
required by ANSI Standards.
barber shops, cleaning establishments,
or self-ser-
vice laundries with dry cleaning equipment,
it is
_,WARNING
imperative
that the water
heater or water
heaters
Vent termination
must not be within
4 feet of any
be installed so that combustion
and ventilation
air
items such as gas meters, gas valves or other gas reg-
be taken
from
outside
these areas. Refer to the
u ating equipment.
"Locating
the New Water Heater"
section of this
manual and also the latest edition of the National
Fuel Gas Code, ANSI Z223.1, also referred to as NFPA
AWARNING
I
54 for specifics provided
concerning
air required.
Failure to have required clearances between water
heater and combustible material will result in a fire
hazard.
11
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