6
AIR FOR COMBUSTION AND VENTILATION
Ventilation Air
INSTALLATION
AIR FOR COMBUSTION AND VENTILATION
Continued
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2). Follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for Combustion and Ventilation for required size of ventilation grills or ducts.
Ventilation Air From Outdoors
Ventilated
Outlet Attic
Air
Outlet 
Air
Inlet
Air
To Attic
To
Crawl
Space
Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors. These spaces include attics and crawl spaces. Follow the National Fuel Gas Code, ANSI Z223.1/ NFPA 54, Section 5.3, Air for Combustion and Ventilation for required size of ventilation grills or ducts.
IMPORTANT: Do not provide openings for inlet or outlet air into attic if attic has a
Inlet Air |
| Ventilated |
| Crawl Space | |
|
|
Figure 3 - Ventilation Air from Outdoors
INSTALLATION
NOTICE: This heater is intended for use as supple- mental heat. Use this heater along with your primary heating system. Do not install this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. This will help circulate the heat throughout the house. In the event of a power outage,
Ventilation
Grills
Into Adjoining
12"
Ventilation Grills Into Adjoining Room,
you can use this heater as your primary heat source.
WARNING: A qualified service person must in-
Room,
Or
Option 2
stall heater. Follow all local codes.
Option 1
Remove
Door into Adjoining Room, Option 
3
12"
Figure 2 - Ventilation Air from Inside Building
For more
NOTICE: State or local codes may only allow opera- tion of this appliance in a vented configuration. Check your state or local codes.
WARNING: Before installing in a solid fuel burn- ing fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. A dirty chimney flue may create and distribute soot within the house. Inspect chimney flue for damage. If damaged, repair flue and firebox before operating heater.
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