Payne PG96XAT Installation, Start-Up, Operating And Service And Maintenance Instructions page 47

NOTICE
RECOMMENDED SUPPORT FOR VENT
TERMINATIONS
It is recommended that sidewall vent terminations in excess of
24 inches (0.6 M) in vertical length be supported by EITHER
the Direct Vent Termination Kit shown in Table 12 or by
field- -supplied brackets or supports fastened to the structure.
Determine an appropriate location for termination kit using the
guidelines provided in section "Locating The Vent Termination" in
this instruction.
1. Cut two holes, one for each pipe, of appropriate size for
pipe size being used.
2. Loosely install elbow in bracket (if used) and place assem-
bly on combustion- -air pipe.
3. Install bracket as shown in Fig. 53 and 55.
NOTE: For applications using vent pipe option indicated by
dashed lines in Fig. 53 and 54, rotate vent elbow 90_ from
position.
4. Disassemble loose pipe fittings. Clean and cement using
same procedures as used for system piping. DO NOT
CEMENT POLYPROPYLENE FITTINGS.
Table 14 – Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (U.S.A. Installations)
1. All pipe, fittings, primers*, and solvents* must conform to American National Standards Institute (ANSI) standards and Ameri-
can Society for Testing and Materials (ASTM) standards or ULC S636 where required by code.
2. See Table below for approved materials for use in the U.S.A.
USA
3. ULC S636 vent systems must be composed of pipe, fittings, cements, and primers from the same supplier.
4. Factory accessory concentric vent kits are ULC S636 listed.
1. Installation in Canada must conform to the requirements of CAN/CSA B149 code.
2. Vent systems must be composed of pipe, fittings, cements, and primers from the same supplier and listed to ULC S636.
CANADA 3. Not all materials below may be approved or listed to ULC S636.
4. Royal Pipe and IPEX are approved suppliers of ULC S636 pipe, fittings, cements and primers*.
5. Factory accessory concentric vent kits are ULC S636 listed for use with Royal Pipe and IPEX venting systems
Material Description
Pressure Pipe
DWV
Cellular Core
PVC SDR 26
SDR 21
IPEX
Royal Pipe
ABS
DWV- -IPS Sizes
ABS
Cellular Core DWV- -IPS Sizes
Pressure Pipe
SDR
CPVC
IPEX
Royal Pipe
*PVC and ABS pipe may use either DWV or pressure rated fittings.
**Colored or tinted solvents or primers must be used where required by code in the USA
†ABS plastic does not require a primer before solvent cementing. A cleaner for ABS is recommended to remove any surface residue. ABS
cleaners are not subject to ASTM standards.
Polypropylene
Poly Pro®
NOTE: Polypropylene vent systems are UL−1738 and ULC S636 listed and assembled using mechanical fastening systems
supplied by the vent manufacturer.
(Direct Vent / 2-Pipe System ONLY)
When two or more furnaces are vented near each other, two vent
terminations may be installed as shown in Fig. 53, but next vent
termination, or pair of vent terminations, must be at least 36 in.
(914 mm) away from the first two terminations. It is important that
vent terminations be made as shown in Fig. 53 to avoid
recirculation of vent gases.
Inducer Outlet Restrictor
To improve efficiency and operation of 40K, 60K or 100K BTUH
input models on very short vent systems, an inducer outlet
restrictor is required to be installed on the outlet of the inducer
assembly. The outlet restrictor is shown in the footnote of Table 16
- -Maximum Equivalent Vent Length. See Table 16 for usage, part
numbers and sourcing of inducer outlet restrictors. Failure to use
outlet restrictor on 40K model when required may result in flame
disturbance or flame sense lockout.
To determine if the outlet restrictor is required, see Table 16.
To install the outlet restrictor:
1. Remove the vent elbow from the inducer outlet.
2. Align the lock tabs on the outlet restrictor with the slots on
3. Snap the outlet restrictor in place.
4. Re-install the vent elbow.
5. Torque vent elbow clamp 15-lb- -in.
MATERIALS
Type ASTM or ULC Specification
Pipe
Schedule 40 D1785
Schedule 40 D1785/D2665
Schedule 40 F891
N/A D2241
N/A D2241
Schedule 40 ULC S636
Schedule 40 ULC S636
Schedule 40 D1527
Schedule 40 D2661
Schedule 40 F628
Schedule 40 F441
N/A F442
Schedule 40 ULC S636
Schedule 40 ULC S636
Approved Manufacturer
M & G Dura Vent
47
inside outlet of the inducer assembly.
Solvents/Primers**
D2466
or
F656
D2665
ULC S636 ULC S636
ULC S636 ULC S636
D2468
Clear Cleaner For ABS†
D2661
F438 F656
N/A
ULC S636 ULC S636
ULC S636 ULC S636
Solvents Primers
Not Permitted
Cements
D2564
ULC S636
ULC S636
D2235
F493
ULC S636
ULC S636
Cements
Not
Permitted