Energy Star ALP080B, Инструкция по установке, эксплуатации и обслуживанию

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Figure 7a: near-Boiler Vent/Combustion air Piping - Floor Mounted Boiler Builds
ii.
The factory supplied CPVC vent pipe
(3” Schedule 40 x 30” long CPVC pipe)
must be used for near-boiler piping before
transitioning to Schedule 40 PVC (ASTM
2665) pipe components for reminder of vent
system.
iii. Clean all vent and combustion air pipe joints
with primer and secure with transition cement
(4-oz. bottles of primer and cement are supplied
with boiler). Follow application instructions
provided on primer and cement bottles.
c. Apply supplied dielectric grease (grease pouch
attached to 90° vent elbow outlet inside air
box) to gasket inside vent elbow. The grease
will prevent gasket rupture when inserting vent
pipe and gasket deterioration due to condensate
exposure.
6.
Horizontal Vent Termination
a. Standard Two-Pipe Termination
See Figures 8 through 11.
i. Vent Piping
Running PVC vent pipe inside Enclosures and
thru Walls:
• PVC vent pipe must be installed in such
way as to permit adequate air circulation
around the outside of the pipe to prevent
internal wall temperature rising above
ANSI Z21.13 standard specified limit.
• Do not enclose PVC venting – use higher
temperature rated CPVC pipe in enclosed
spaces, or, to penetrate combustible or
non-combustible walls.
• PVC vent pipe may not be used to penetrate
combustible or non-combustible walls
unless all following three conditions are
met simultaneously (see Figure 8 “ Wall
Penetration Clearances for PVC Vent
Pipe”):
Figure 7B: Field installation of CPVC Vent Pipe -
Wall Mounted Boiler Builds
- The wall penetration is at least 66 inches
from the boiler as measured along the
vent
- The wall is 12” thick or less
- An air space of at least of that shown in
Figure 8 is maintained around outside of
the vent pipe to provide air circulation
• If above three conditions cannot be
met simultaneously when penetrating a
combustible wall, use a single wall thimble
[US Boiler part numbers 102180-01 (3”)
and 102181-01 (4”)].
• Thimble use is optional for non-combustible
wall.
• Insert thimble into cut opening from outside.
Secure thimble outside flange to wall with
nails or screws and seal ID and OD with
sealant material.
iV. Venting
B. CPVC/PVC Venting (continued)