Combustion Air And Ventilation; Locating The New Water Heater; Venting Clearances - Kenmore POWER MISER 153.335803 Owner's Manual

Installation Instructions (cont'd)
_,WARNING
A gaswnt_ heater cannotoperate properlywithout the cor-
rect amountof air for combustion. D o not im_dl in a confined
area sucha closet, unlessyou provide air as shown in the
"Locating The New Water Heater" section.Never obstruct
the flowofventgationair.If you haveanydoubts or questions a t
all, call your gas company. Failure to provide the proper
amountof combustion air can resultin a fire or explosion and
cancausedeath,seriousbodilyinjury,or propertydamage.
AWARNING
If this water heater will be used in beauty shops,barber shops,
cleaning establishments, or self-service laundries with dry
deaning equipment, it is imperative that the water heater or
water heaters be installed so that combustion and vent_latlou
air be taken from outside these area_ Refer to the "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 54 for specifics provided €oncerning air
required,
Combustion Air and Ventilation
When determining the installation location for apower vent
water heater, snow accumulation and drifting shouldbe consid-
ered in areas where applicable.
VENTING CLEARANCES
• O" clearance for 3" PVC, ABS or CPVC Schedule 40 vent piping
from combustible surfaces.
• 18" minimumin alldirections from any obstruction that mayinter-
fere.
• 12" minimum from the ground, 18" ceiling overhangs. Figure 2.
• The Power Vent oudet terminal shall terminate at least 3 feet above
any forced air inlet located within 10 feet. Figure 3a.
• The Power Vent outlet terminal shall terminate at least 4 feet below,
4 feet hofizontaUy from or I foot above any door, window or gravity
air inlet into the building. Figure 3a.
• 18" minimum from other gravity or natural appliance oudet vents
• o. , , , ,
when direcdy above or 135 to either side of center hne. Figure 3b.
36" minimum from any outlet vents when directly below or 45 ° to
• either side of center line. Figure 3b.
36" minimum in all directions from any other forced air appliance
• outlet vent. Figure 3b.
The location selection must provide clearances for servicing and
• proper operationofthewaterheater. Figure4.
Vent termination must not be within 4 feet of any items such as gas
• meters, gas valves or other gas regulating equipment•
a_ WARNING
Vent termination must not be within 4 feet of any items such as
gas meters, gasvalves or other gas regulating equipment.
AWARNING
I Failure to have required clearances between water beater and
L
combustible material will result in a fire hazard.
Figure 2 I
POWER VENT
TERMINAL
12" rain.
LESSTHAN
• 120"
FORCED AIR
INLET
10
Figure 3a]
f-_ *THISDIMENSIONIS
POWERVENT TERMINAL_ _ INCREASED TO 36"
/ _ _ WHEN THE VENTOUT-
,' [_ LETISFORA FORCED
_/-- VENTAPPLIANCE
7_[ \\ / \ _/_VENTOR
GRAVITYVENTED
; i APPL,ANCE
_-ANY OTHER OUTLET VENT
I Figure 3b I
Must main_Jn
adequate service --- ......... ".
arid maiRtenance ///" "',
// Range ofdegrees
".. /" available f orvent
[ Figure 4 ] .................. pipe installation.