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MIS-277
A
supply air duct and combustible materials. This is required for the
first 3 feet of ducting.
It is important to insure that the 1/4 inch minimum spacing is
maintained at all points.
Failure to do this could result in overheating the combustible material
and may result in a fire causing damage, injury or death.
Manual 2100-359
Page 8
ELECTRIC HEAT CLEARANCE
WARNING
minimum of 1/4 inch clearance must be maintained between the
FIGURE 3
SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT
SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURFACES.
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