Montigo R520-ST Installation, Operation & Maintenance Manual page 7

NOTE: Remember, both sides of the Fireplace require the same quantities of wood, drywall and hardware.
Cut the Upper and Lower Horizontal 2 x 4's as shown in Figure 2b. Next, cut the Required quantity of short filler 2x4's under the lower Horizon-
tal. Follow Typical building codes and practices when spacing. Next, cut the Required Left and Right Vertical 2 x 4's as shown in Figure 2b.
Lastly, install the Two (2) Supplied Steel Headers above the fireplace throat positioned to attach facing material.
NOTE: When this assembly is in place, ensure ALL the required clearances to combustibles are maintained.
Non-Com usti e ea er b bl h d
(supplied by Montigo)
(vertical)
use Typical
building
practices
when
spacing.
Figure 2b. Fireplace installation, Both Sides are Typical.
Step 4. Installation of the RHS 102 heat shield
When the vent passes through the first adjacent ceiling (or wall for horizontal runs) a Montigo RHS102 heat shield must be installed around the
pipe as shown above.
See the detail of the RHS 102 on the following page.
Part No. XG0773 - 032211
Installation
2 x 4, (Top
2 x 4, (Bottom
horizontal)
horizontal)
Distance between 2 x 4's
R520 = 71½"
R620 = 83½"
R520-ST & R620-ST Power Vent Indoor Gas Fireplace
2-pcs 2 x 4 (vertical)
Both Sides Typ
1" clearance
1" clearance
RHS 102
Both
Sides
Typ
Page 7