Carrier Infinity ICS 58MVC 100 Series Installation Instructions Manual page 38

3" (76.2mm)
minimum
Ventilated Combustion Air |
intake termination in crawl 12" (304.8mm)
space i minimum
Fig. 43 - Crawlspace Termination
A06674
/ _3osmm_ _:_H
VENT P'PE--'_I I __
!! !If c°MBusm'°"-A'R P'PE
VENT PIPE
-t_---- 12" MIN---_
(305mm_ _
if r- COMBUSTION-AIR PIPE
HORIZONTAL TO ROOF H ORIZONTAL TO S IDEWALL
COMBUSTION-AIR
COMBUSTION-AIR PIPE
F VENT PIPE
VENT PIPE
VERTICAL TO ROOF VERTICAL TO SIDEWALL
NOTE: A 12-in. (304.8mm) minimum offset pipe section is recommended
with short (5 to 8 ft / 1.5 to 2.5M) vent systems. This recommendation
is to reduce excessive condensate droplets.
Fig. 44 - Short Vent (5 to 8 ft. / 1.5M to 2.4M) System
A96230
38