Sierra Products EF-4001B - Manual (Page 3)

3
Figure 3
Figure 4
Figure 5
Figure 6
3. If the hearth and fireplace floor are not at the same
elevation, leveling legs may be installed on the rear of the
unit (Figure 4) for distances of up to 1". For larger
distances shimm ing may be used using a non-co m bu stib le
m ate rial. A Hearth Base Support is available from your
dealer for installations where the hearth is below the
fireplace opening (Figure 5).
NOT E: THE INSERT W EIGHT IS SUBST ANTIAULLY
FR ON T H EA VY A ND IF N OT FU LLY SU PP OR TE D IT
COULD FALL FORWARD.
4. Ins tall vent system into existing chimney by using 3" flex
from left side of he arth, p ass ing da m per a nd c ontinu ing to
the top of the chimney. If the total vent length is longer than
10 Feet, install Ø4" vent from that point to top of chimney
(Figure 6).
5. Pack fiberglass insulation around the vent pipe and
combustion air duct. Install a flashing cover over
ch im ne y. Se cu re flas hing and seal as req uired . Ins tall
listed vent cap and secure.
6. Mea sure fireplace opening and adjust hopper top to the
required level allow ing for installa tion clearan ce . This is
accomplished by removing the four #8 screws on the sides
and rear of un it and raising th e to p by 1" in crem en ts u ntil
desired height and reinstalling screws (Figure 4).
7. Slide insert into fireplace and center. Level as required,
then secure vent to outlet on left side of insert. Connect
combustion air duct and secure.