42724-0-1120
Page 5
Empire Comfort Systems Inc. • Belleville, IL
2.
It is recommended that the fireplace venting system be
installed before the HMFA duct components are installed.
3. Other considerations such as planning the location for
the junction box, field wiring, and internal placement of
the rheostat to control the HMFA should be made. Refer
to electrical connections on page 10.
4. The framed opening for installation of the HMFA is 14 ½"
X 14 ½" in all applications.
See Figure 4.
CAUTION
Due to sharp edges and the weight of the assembly,
please use proper eye protection and gloves to reduce
the potential for injuries.
Figure 4
Framing Install
14 1/2”
14 1/2”
14 ½"
14 ½"