Monessen Hearth Direct Vent Gas Fireplace MDV500 - Manual (Page 14)

14 75D2523
VENT INSTALLATION
OPTIONAL TOP VENT APPLICATION
The appliance is shipped as a rear vent unit. If the installation
layout requires the unit to be a top vent configuration the appli-
ance can be converted by following the steps below.
When removing and refitting the plates and adapter be sure the
associated gaskets are undamaged and refitted as required.
1. Remove the eight (8) screws securing the flue pipe adapter
to the fireplace body. See Figure 9.
2. Set the flue pipe adapter aside, complete with the gasket.
Do not damage the gaskets as the adapter and gasket must
be refitted.
3. Remove the eight (8) screws securing the flue pipe cover to
the top of the intake box and remove the cover and gasket.
See Figure 9.
4. Remove six (6) screws securing the flue pipe to the back
of the intake box and remove the pipe and gasket. See
Figure 10.
5. Replace flue pipe to top of firebox. Ensure the gasket is
in place and undamaged. Secure with six (6) screws. See
Figure 11.
6. Place the flue pipe cover and gasket removed in step 3
over the flue opening in bottom of the intake box.
7. Refit the flue pipe adapter and gasket to the top of fire-
place. Secure the adapter with six (6) screws removed in
step 1.
Figure 9 - Removing sixteen (16) Screws from
Flue Pipe Adapter and Flue Pipe Cover
Figure 10 - Removing Flue Pipe Figure 11 - Attaching Flue Pipe to Top
Vent Configurations
Screws
Flue Pipe
Cover
Flue Pipe
Adapter
Flue
Cover
Flue Pipe
Screws
Flue Pipe
Screws
WARNING
A f t e r c o n v e r s i o n t o t o p v e n t
configuration the 5" (127mm) flue
pipe should be concentric with the 8"
(203mm) outer collar within
1 /
4
".