Carrier 58MCA Installation, Start-Up, And Operating Instructions Manual page 11

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. 11—Attic Location and Working Platform
CAP
PLUG
COLLECTOR BOX DRAIN TUBE
(BLUE AND WHITE STRIPED)
INDUCER HOUSING
DRAIN TUBE (VIOLET)
COLLECTOR BOX
EXTENSION TUBE
Fig. 12—Horizontal Right Tube Configuration
INTAKE
"
3
5 ⁄
4
CONDENSATE
TRAP
COLLECTOR BOX DRAIN TUBE (BLUE)
COLLECTOR BOX TUBE (GREEN)
COLLECTOR BOX EXTENSION TUBE
COLLECTOR BOX TUBE (PINK)
AUXILARY "J" BOX RELOCATED HERE
11
VENT
A 12-IN. MIN HORIZONTAL PIPE
SECTION IS RECOMMENDED WITH
SHORT (5 TO 8 FT) VENT SYSTEMS
TO REDUCE EXCESSIVE
CONDENSATE DROPLETS FROM
"
EXITING THE VENT PIPE.
30 MIN
WORK AREA
ACCESS OPENING
FOR TRAP
DRAIN
CONDENSATE
TRAP
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