Monessen Hearth GPF36 Operations Instructions download pdf (Page 22)

22 43D0121

FOR USE OF OPTIONAL AK-4 OUTSIDE AIR KIT

8'max.

COMBUSTION AIR

1. Locate combustion air assembly at an exterior location which is not likely to be accidentally blocked in any manner.

Locate assembly amin. of 12" above the snow line to prevent blockage by snow accumulation.

2. Never

mount the combustion air inlet assembly in a garage or storage area where combustible fumes such as gasoline

might be drawn into the replace.

3. Combustion air can be drawn from the crawl space under a house when an adequate supply of air is provided by open

ventilation.

4. CAUTION: Do not take combustion air from attic space or garage space.

5. locate air supply at least 3' away from any appliance vent terminal.

Avoid extremely long runs and numerous turns in the duct leading from the replace to the combustion air assembly.

These conditions increase the resistance to the free ow of air through the duct. See Figures 29 through 32 for methods

of installing the outside air for combustion assemblies.

Figure 29 - Basement Installation

Figure 30 - Concrete Slab Installation

(Optional Outside Air Runs)

Above

Snow

Level

Ground

Level

Basement

Wall

Inlet Grill in

Soffit

(Overhang)

Figure 32 - 45° Corner Installation on Slab

Floor

Figure 31 - Installation Above Basement or Crawl

Space

Inside Wall

Outside

Wall

Duct Extended

to Miss Joist

To Outside Wall

Note: Fireplace model in illustrations may not be representative of your appliance.

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Monessen Hearth GPF36 Operations Instructions Page 22