Montigo H42DF - Manual (Page 16)

H*42DF Indoor Gas Fireplace
Page 16 XG0148 - 150204.1
Installation
Figure 15. Rear Vent Venting Graph for wall mounted terminations.
Notes Wall Mounted Terminations: REAR VENT
„ All dimension lengths for vertical or horizontal runs are measured
from center of the vent pipe.
„ Venting runs must fall within the limits set by the venting graphs,
see Figure 15.
„ Fireplace must be converted to Rear Vent configuration prior to
running vent, see Figure 9 and 9a.
The Venting Graph
Measure the vertical height from the fireplace hearth to the centre of the
termination and the horizontal run from the fireplace flue collar to the wall
flange of the termination. Plot on the Venting Graph Figure 15 with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
Example A: (Acceptable Installation)
If the vertical dimension from the hearth is 120" and the horizontal
run to the wall flange of the vent termination is 138", this would be
an acceptable installation.
Example B: (Unacceptable Installation)
If the vertical dimension from the hearth is 48" and the horizontal
run to the wall flange of the vent termination is 96",this would NOT
be an acceptable installation.
Example C: (Unacceptable Installation)
If the vertical dimension from the floor of the fireplace is 72" and
the horizontal run to the wall flange of the vent termination is 120",
this would NOT be an acceptable installation.
Figure 15b. Rear Vented, wall mounted Multi-elbow termination installation.
Installation for H*42DF* must have a minimum vertical rise of 52".The vent run
must comply with the Venting Graph for Rear vent, wall mounted terminations,
Figure 15.
Figure 15a. Straight run, Rear Vented, wall mounted termination for H*42DF*,
Figure 15. N.G. (Natural Gas) equipped fireplaces ONLY. For Propane
fireplaces, see figure 15b below.
NOTE: 18” MAX. horizontal run
with no vertical lift. N.G. (Natural
Gas) fireplaces ONLY.
PXT Extension
RHS101 Heat
Shield
Termination
Hearth
Exterior
Wall
18” MAX.
33"
6”
30” Max.
52” Min.
18”
Max.
Flex or Rigid
Section
19”
Min.
33”
6”
33”
18” NG Only
A
B
C
52”
48”
Unacceptable vent run
within shaded area.
Acceptable vent run
within non-shaded area.
If your installation does not fall
within the venting graph parameters,
please contact a local Montigo
dealer for Power Venting options.
Note: Images are shown without screens for clarity purposes. However,
your fireplace should not be operated without proper installation of
screens.