Montigo L42DF ST Installation & Maintenance Manual page 16

L42DF-ST* Indoor Gas Fireplace
Notes Wall Mounted Terminations: SIDE 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 13.
Fireplace must be converted to Rear Vent configuration
„
prior to running vent, see Figure 9 - 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 13 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 72", this would
be would NOT be an acceptable installation.
Example C: (Unacceptable Installation)
If the vertical dimension from the floor of the fireplace is 60"
and the horizontal run to the wall flange of the vent termination
is 144", this would NOT be an acceptable installation.
Acceptable vent run
within non-shaded area.
B
B B B B B B B B
54"
42
Figure 13. Side Vent Venting Graph for wall mounted terminations.
Page 16
Installation
A
A
C
C C C C C C C C
Unacceptable vent run
within shaded area.
If your installation does not fall
within the venting graph para-
meters, please contact Montigo
for Power Venting options.
Flex or Rigid
Section
Figure 13a. Side Vented, wall mounted Multi-elbow termination installation.
Installation for L42DF*-ST must have a minimum vertical rise of 54".The
vent run must comply with the Venting Graph for Side vent, wall mounted
terminations, Figure 13.
Note: Images are shown without screens for clarity purposes.
However, your fireplace should not be operated without proper
installation of screens.
30" Max.
26 1/4"
Min.
54" Min.
12"
Max.
27 3/4"
Hearth
XG0182 - 151126