Carrier Infinity ICS 58MVC 100 Series Installation Instructions Manual page 13

COMBUSTION - AIR
MANUAL
SHUTOFF
GAS VALVE
SEDIMENT
TRAP
NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE
FURNACE AND CONDENSATE TRAP WHEN A CONDENSING
FURNACE IS INSTALLED ABOVE FINISHED CEILINGS.
Fig. 12 - - Attic Location and Working Platform for Direct Vent (2- -Pipe) Application
A 3-IN.(76mm) MINIMUM CLEARANCE
TO COMBUSTION-AIR INTAKE
IS REQUIRED.
COMBUSTION AIR
INTAKE
MANUAL
SHUTOFF
GAS VALVE
SEDIMENT
TRAP
NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE
FURNACE AND CONDENSATE TRAP WHEN A CONDENSING
FURNACE IS INSTALLED ABOVE FINISHED CEILINGS.
Fig. 13 - - Attic Location and Working Platform for
INTAKE
"
3
(146 mm)
5 /
4
CONDENSATE
TRAP
3
5 / IN. (146mm)
4
CONDENSATE
TRAP
Ventilated Combustion Air Applications
13
VENT
A 12-IN. (305 mm) MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
SHORT (5 TO 8 FT / 1.5 TO 2.4 M) VENT
SYSTEMS TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
EXITING THE VENT PIPE.
"
30 (762 mm)MIN
WORK AREA
ACCESS OPENING
FOR TRAP
DRAIN
VENT
A 12-IN. (305mm) MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
SHORT (5 TO 8 FT / 1.5 TO 2.4M) VENT
SYSTEMS TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
EXITING THE VENT PIPE.
30-IN. (762mm) MIN
WORK AREA
ACCESS OPENING
FOR TRAP
DRAIN
A93031
A96184