Monessen Hearth 3000 SERIES ユーザーズマニュアル
V
V
E
E
N
N
T
T
I
I
N
N
S
S
T
T
A
A
L
L
L
L
A
A
T
T
I
I
O
O
N
N
13
NOTE
Two 45
°° elbows (P/N 945) may be used in place of one 90°° elbow (P/N 990).
WARNING
Any horizontal run must have a 1/4” rise for every one (1) foot of run towards the vent termination. Never
allow the vent to run downward. This could cause high temperatures and may present a fire hazard.
Figure 12: Installing Pipe Supports
WARNING
Always maintain minimum clearances around vent systems. The minimum clearances to combustibles for
vent pipe require 3 inches at the top and 1 inch at the sides and bottom for horizontal sections of the vent
system. For wall or ceiling firestops and vertical sections of vent pipe a 1-inch minimum clearance all around
the pipe must be maintained. Do not pack the open air spaces with insulation or other materials. This could
cause high temperatures and may present a fire hazard.
5. A wall or ceiling firestop (P/N 963) MUST BE installed if the vent passes through a wall or ceiling.
For wall
•
Cut a 10-inch X 10-inch hole through the interior or exterior wall. The center of the hole is the
centerline of the horizontal pipe. Refer to the figure below.
centerline of the horizontal pipe. Refer to the figure below.
•
Position the firestop on the hole previously cut and secure with screws or nails.
•
Run vent through firestop.