New Buck Corporation 1127B User Manual

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VENTILATION AIR 
VENTILATION AIR FROM INSIDE BUILDING 
 
This fresh air would come from an adjoining unconfined space.  When venting to an adjoining 
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 8).  You can 
also remove door into adjoining room (see Option 3, in Figure 8). 
 
WARNING 
 
REWORK WORKSHEET, ADDING THE SPACE OF THE ADJOINING 
UNCONFINED SPACE.  THE COMBINED SPACES MUST HAVE ENOUGH FRESH 
AIR TO SUPPLY ALL APPLIANCES IN BOTH SPACES. 
 
NOTE:
  Each opening shall have a minimum free area of 1 square inch per 1000 BTU’s per 
hour of the total input rating of all gas utilization equipment in the confined space, but not less 
than 100 square inches. 
 
Figure 8 
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