54
Venting
through a vertical or horizontal duct to the outdoors or spaces
(crawl or attic) that freely communicate with the outdoors,
and shall have a minimum of:
A. 1 Square inch for each 3,000 BTUH of the total input rat-
ing of all equipment located in the enclosure
and
NON-DIRECT VENT (cont.)
GENERAL VENTING REQUIREMENTS AND
GUIDELINES
FIGURE 14
NON-DIRECT VENT
AIR FROM ATTIC OR CRAWL
SPACE
OPTIONAL INLET AIR 1 SQ. IN.
(6.5 SQ. CM.) PER 4000 BTUH
ST-A1194-19
FIG D
FIGURE 16
COMBUSTION AIR
FITTING
OPTION 1
OPTION 2
THIS CONFIGURATION TO BE USED
ONLY WITH THE DOWN FLOW ZERO
CLEARANCE KIT (RXGY-ZK)
T
OPTION 1
OPTION 2
THIS CONFIGURATION TO BE USED
ONLY WITH THE DOWN FLOW ZERO
CLEARANCE KIT (RXGY-ZK)
ST-A1194-03-XO
FIGURE 15
NON-DIRECT VENT
OUTSIDE AIR USING A
HORIZONTAL DUCT
OUTLET AIR 1 SQ. IN.
(6.5 SQ. CM.) PER 2000 BTUH
INLET AIR 1 SQ. IN.
(6.5 SQ. CM.) PER 2000 BTUH
ST-A1194-19
FIG E
To Next Page
Loading...
