Procom MD100TBA Installation Manual download pdf (Page 9)

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9200000-01B

AIR FOR COMBUSTION AND VENTILATION

Outlet

Air

Ventilated

Attic

Outlet

Air

Inlet

Air

Inlet Air

Ventilated

Crawl Space

Crawl

Space

To Attic

Figure 2 - Ventilation Air from Inside

Building

Figure 3 - Ventilation Air from Outdoors

Note: Base not included. Not for use in bed-

rooms or bathrooms.

Remove

Door into

Adjoining

Room,

Option 3

Ventilation Grills

Into Adjoining Room,

Option 2

12"

Ventilation

Grills

into Adjoining

Room,

Option 1

Provide extra fresh air by using ventilation

grills or ducts. You must provide two perma-

nent openings: one within 12" of the ceiling

and one within 12" of the oor. 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, Air for

Combustion and Ventilation for required size

of ventilation grills or ducts.

WARNING: If the area in which the heater may be operated is

smaller than that dened as an unconned space or if the building

is of unusually tight construction, provide adequate combustion and

ventilation air by one of the methods described in the National Fuel

Gas Code, ANSI Z223.1/NFPA 54, the International Fuel Gas Code,

or applicable local codes.

VENTILATION AIR

Ventilation Air From Inside Building

This fresh air would come from an adjoining unconned space. When ventilating to an adjoining

unconned space, you must provide two permanent openings: one within 12" of the ceiling

and one within 12" of the oor 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, Air for Combustion and Ventilation for required

size of ventilation grills or ducts.

Ventilation Air From Outdoors

IMPORTANT: Do not provide openings

for inlet or outlet air into attic if attic has a

thermostat-controlled power vent. Heated air

entering the attic will activate the power vent.

Rework worksheet, adding the space of the

adjoining unconned space. The combined

spaces must have enough fresh air to supply

all appliances in both spaces.

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Procom MD100TBA Installation Manual Page 9

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