19
Initial Installation
QUALIFIED INSTALLERS ONLY
INSTALLATION OF TOP VENTED; HORIZONTAL TERMINATION:
This is the most common type of installation style.
Set the unit in place.
Install a minimum 24” (61 cm) vertical chimney.
Install a 90° elbow, and mark the exterior wall where the vent would
pass through.
Cut a 10” (25.4 cm) minimum hole in the wall to maintain clearances to
combustibles around vent pipe. Frame hole if as shown in Figure 7.
Install wall thimble.
Install interior nished collar
Install the vent section through the wall and then install the vent
termination.
Seal around the termination using a non hardening mastic.
CORNER INSTALLATION:
This type of installation can be used in a corner installation. If a 90°
elbow is used in the horizontal plane, 36” (91.4 cm) must be subtracted
from the allowable horizontal run shown in Figure 36.
Figure 28: Installation for Top Vented;
Horizontal Termination.
INSTALLATION OF TOP VENTED; VERTICAL TERMINATION:
Place the unit in place.
Drop a plumb bob from the ceiling to the center point of the ue
outlet.
Cut a 10” (25.4 cm) hole in the ceiling and the roof. Refer to Figure
14.
Install the ceiling support and insulation guard.
Install the roof ashing. Ensure that the roof ashing is installed
under the roong material so that a watertight seal is created.
Install the ue pipe from the top of the unit through the roof.
Ensure that all ue pipe and unit maintain required clearances to
combustibles.
CORNER INSTALLATION:
This type of installation can be used in a corner installation. If a
90° elbow is used in the horizontal plane, 36” (91.4 cm) must be
subtracted from the allowable horizontal run shown in Figure 36.
Figure 29: Installation for Top Vented;
Vertical Termination.