Carrier 58MXA 170 Series Installation, Start-Up, And Operating Instructions Manual page 28

VENT PIPE
HORIZONTAL TO ROOF
COMBUSTION-AIR PIPE
VERTICAL TO ROOF
Table 6—Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials
ASTM SPECIFICATION
MATERIAL PIPE FITTINGS SOLVENT CEMENT AND PRIMERS
(MARKED ON MATERIAL)
D1527
D1785
D2235
D2241
D2466
D2468
D2564
D2661
D2665
F438
F441
F442
F493 For CPVC
F628
F656
F891
3. Working from furnace to outside, cut pipe to required
length(s).
4. Deburr inside and outside of pipe.
5. Chamfer outside edge of pipe for better distribution of primer
and cement.
6. Clean and dry all surfaces to be joined.
12 " MIN
COMBUSTION-AIR PIPE
12 " MIN
NOTE: A 12 In. minimum offset pipe section is recommended with
short (5 to 8 ft) vent systems. This recommendation is to reduce
excessive condensate droplets from exiting the vent pipe.
Fig. 34—Short Vent (5 to 8 Ft) System
ABS Pipe —
PVC Pipe —
For ABS — —
PVC Pipe —
PVC — Fittings
ABS — Fittings
For PVC — —
ABS Pipe Fittings
PVC Pipe Fittings
CPVC — Fittings
CPVC Pipe —
CPVC Pipe —
— —
ABS Pipe —
For PVC — —
PVC Pipe —
12 " MIN
VENT PIPE
HORIZONTAL TO SIDEWALL
COMBUSTION-AIR PIPE
VENT PIPE
VERTICAL TO SIDEWALL
—
—
Solvent
Cement
—
—
—
Solvent
Cement
—
—
—
—
—
Solvent
Cement
—
Primer
—
7. Check dry fit of pipe and mark insertion depth on pipe.
NOTE: It is recommended that all pipes be cut, prepared, and
preassembled before permanently cementing any joint.
8. After pipes have been cut and preassembled, apply generous
layer of cement primer to pipe fitting socket and end of pipe
to insertion mark. Quickly apply approved cement to end of
pipe and fitting socket (over primer). Apply cement in a light,
28
COMBUSTION-AIR PIPE
12 " MIN
VENT PIPE
DESCRIPTION
Schedule-40
Schedule-40
For ABS
SDR-21 & SDR-26
Schedule-40
Schedule-40
For PVC
DWV at Schedule-40 IPS sizes
DWV
Schedule-40
Schedule-40
SDR
For CPVC
Cellular Core DWV at Schedule-40 IPS sizes
For PVC
Cellular Core Schedule-40 & DWV
A96230