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

COMBUSTION -
INTAKE
MAN1
SHUTOFF
GAS VALVE
(I46 mm)
A 12qN. (305 mm) MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
(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
)RK AREA
SEDIMENT
TRAP
CONDENSATE
TRAP
DRAIN
ACCESS OPENING
FOR 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
A93031
g
A 3-IN (76mm) MINIMUM CLEARANCE
TO COMBUSTION-AIR INTAKE
IS REQUIRED.
COMBUSTI{
INTAKE
(146mm)
A 12-IN. (305mm) MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
SHORT (5 TO 8 FT / 1.5 TQ 2AM) VENT
SYSTEMS TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
EXITING THE VENT PIPE.
30qN. (762mm) MIN
WORK AREA
MAN[
SHUTOFF
GAS VALVE
SEDIMENT
TRAP
CONDENSATE
TRAP
DRAIN
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
Ventilated Combustion Air Applications
ACCESS OPENING
FOR TRAP
A96184
13