Section 3-3: Installing A Wall Mounted Termination - Montigo H34 Installation & Maintenance Manual

Section 3-3: Installing a Wall Mounted Termination

This section applies to installations where the direct vent termination
will be wall mounted. NOTE: If subject to a highly corrosive environment
i.e. Seaside, Montigo recommends using Stainless Steel Termination.
Installation of termination with built in frame
A termination with a built-in frame is installed during framing of a
structure.
1. Frame the termination opening to 11" x 11".
2. Install exterior sheathing to the structure framing.
3. Fasten the termination to the sheathing using a minimum of 4 screws.
11"
Framing
Exterior
Sheathing
11"
Figure 7. Installing a PTO4-F, MTO4-F termination.
Installation of termination frame at time of framing
Terminations with a MSR frame allow the installation of the frame prior
to installation of the termination.
1. Frame the termination opening to 12" x 12".
2. Secure the MSR Frame to the exterior sheathing of the structure.
3. Fasten the termination to the MSR Frame using a minimum of 4 screws.
1 2"
Framing
Exterior
Sheathing
12"
Figure 7.b Installing a MTO, PTO termination with the MSR frame.
Installation of termination frame at time of framing in masonry
Terminations with a BSR frame allow the installation of the frame in
masonry prior to the installation of the termination
1. Frame the BSR opening to 12" x 12".
2. Secure the BSR Frame to the exterior sheathing of the structure.
3. Fasten the termination to the BSR Frame using a minimum of 4 screws.
Framing 12"
Exterior
Sheathing
12"
Figure 7.c Installing a MTO, PTO termination with the BSR frame.
20
Fastening Hard-
ware, minimum
4-screws
PTO-4F (5"/8") MTO-4F (4"/7")
Termination Termination
MSR Frame
Fastening Hardware,
minimum 4-screws
PTO-4 (5"/8") MTO-4 (4"/7")
Termination Termination
BSR Frame
Fastening Hardware,
minimum 4-screws
PTO-4 (5"/8") MTO-4 (4"/7")
Termination Termination
Installation of termination from inside structure
A Termination with a MOSR Frame is installed from the inside of the
structure. These are commonly used in high-rise construction.
MOSR Frame
MTO-4 (4"/7")
Termination
PTO-4 (5"/8")
Termination
Fastening Hardware,
minimum 4-screws
Figure 7.d Installing a PTO termination with MOSR frame.
1. Frame the MOSR opening to 12" x 12".
2. Fasten the MOSR frame to the interior side of the studs, concrete,
or finished wall construction using a minimum of 4 screws.
3. Insert the termination into the MOSR frame as shown here, (from
the inside) and attach to the MOSR by installing a min. quantity of 4
bolts into the threaded nuts on the MOSR Frame.
Installation of a termination shield for vinyl siding
The VSS Termination shield is installed when the exterior of a structure
is clad with Vinyl siding. It is placed directly above, and on-center with
the termination.
Figure 7.e Installing the VSS Vinyl Shield.
Installing heat guards
Installing heat guards over terminations is recommended in installations
where the termination is located within 7' feet above grade, or above
a pedestrian walkway, and may be required by code in public areas.
Figure 7.f Installing a MTO, PTO termination heat guard.
1. Ensure that the two long mounting brackets are facing the bottom
of the termination (See inset). This will provide more heat protection
at the top of the termination, where temperatures are highest.
2. Attach to the faceplate of the termination using four sheet metal
screws.
Installation
Framing,
12"
concrete
or other
materials
12"
Exterior
Sheathing, concrete
or other materials
VSS Vinyl shield
PTO-4 (5"/8") MTO-4 (4"/7")
Termination Termination
Exterior Vinyl
siding
MTKOG 5"/8") MTKOG 4"/7")
XG0228 - 021419