Trane UC1B040A9241A series Installer's Manual page 24

Installer's Guide
v
COMBUSTION
AIR INLET
40" UPFLOW OR
DOWNFLOW MODELS
(FIELD SUPPLIED)
VENT
COMBUSTION AIR
BAYAIR30AVENTA
24
SEE VENTING TABLE
STRAPS OR OTHER SUITABLE SUPPORTS
AT MAXIMUM OF 3'-0" INTERVALS
UPWARD PITCH -- 1/4" PER FOOT
FIRST SUPPORT SHOULD BE AS
CLOSE TO FURNACE CONNECTION
AS POSSIBLE.
NOTE: ANY FITTINGS PASSING
THROUGH AN UNHEATED SPACE
MUST BE INSULATED.
COMBUSTION
AIR
STRAP
RAIN CAP
VENT
1" + 1/2"
ELBOW
(FIELD
SUPPLIED)
NOTE: VENT AND INLET MUST BE SUPPORTED
AT A MAXIMUM OF 3' INTERVALS
USE ONLY
APPROVED
TERMINATION
OUTSIDE
WALL
TEE
REDUCING
COUPLING,
FIELD SUPPLIED
IF NEEDED
2", 2-1/2"
or 3" PIPING
3" PIPING
BAYVENT200B
WALL CAVITIES
SEAL ALL
18-CD19D5-25