Firebox Installation (Insert Application Only) - Valor PORTRAIT 922ECN Installation & Operating Instructions Manual

Refer to 975ZCK installation manual for ZC firebox
installation.
To aid chimney liner connection, it may be necessary
to first remove the vent collar connector from the top of
the firebox—see figure below.
1. Remove the burner module from the firebox.
2. Insert the convection box into the fireplace opening
feeding the supply pipe through hole at back or
side of the firebox.
3. Mark the fireplace floor through the two slots in
the base of the convection box (see figure below)
and remove the convection box. Drill two holes in
the fireplace floor at the marked positions using a
no.12 masonry drill.

Firebox Installation (insert application only)

4. Insert a wall plug into each hole.
5. Secure the collar on the vent connector unit to the
4" diameter chimney liner.
6. Slide the firebox into the fireplace making sure that
the vent connection unit is above the convection
box. Leave the firebox front a few inches clear
of the fireplace front to allow you to fix the vent
connector to the top of the firebox.
7. With the vent connector started in the cleat pull the
vent connector towards the front of the fireplace.
Fix the front of the vent connector plate to the
firebox front flange using the screw previously
removed.
8. Push the convection box fully home against the
front face of the fireplace. Make sure that no sags
or dips occur in the liner.
9. Fit a woodscrew through each slot in the
convection box base and tighten.
10. Re-install the burner module and connect the gas
supply line to the module.
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