Rheem R95P Installation Instructions Manual page 54

GENERAL VENTING REQUIREMENTS AND
GUIDELINES
NON-DIRECT VENT (cont.)
FIGURE 14
NON-DIRECT VENT
AIR FROM ATTIC OR CRAWL
SPACE
ST-A1194-19
FIG D
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:
FIGURE 16
COMBUSTION AIR
THIS CONFIGURATION TO BE USED
ONLY WITH THE DOWN FLOW ZERO
FITTING
CLEARANCE KIT (RXGY-ZK)
OPTION 1
54
FIGURE 15
NON-DIRECT VENT
OUTSIDE AIR USING A
HORIZONTAL DUCT
A. 1 Square inch for each 3,000 BTUH of the total input rat-
ing of all equipment located in the enclosure
and
OPTION 2
OUTLET AIR 1 SQ. IN.
(6.5 SQ. CM.) PER 2000 BTUH
INLET AIR 1 SQ. IN.
(6.5 SQ. CM.) PER 2000 BTUH
OPTION 1
OPTION 1
THIS CONFIGURATION TO BE USED
ONLY WITH THE DOWN FLOW ZERO
CLEARANCE KIT (RXGY-ZK)
T
OPTION 2
ST-A1194-19
FIG E
OPTION 2
ST-A1194-03-XO