Component Installation
100 CLCH-SVX07K-EN
Other Connections
Access, filter, and other sections may have open inlets
with a 2-inch (sizes 3-120) panel frame for connecting the
ductwork. If the duct is lined, it is important the insulation
does not obstruct the opening of the section.
Important: If unit has a duct heater on a fan discharge
there is a minimum clearance from
combustible materials 1" for first four feet of
duct.
Figure 130. External face-and-bypass with duct
configuration designed to bypass air into a
horizontal fan section
Figure 131. Typical duct flat/flange end-of-unit (EOU)
connection - uninsulated
Fan
Coil Coil
External
face-and-bypass
Duct
Unit section
End of unit
2-inch panel
Thermal
break
Uninsulated duct
2-inch panel
Thermal
break
Airflow
Figure 132.Typical duct flat/flange end-of-unit (EOU)
connection - insulated
Unit
section
Flat connection
Insulated duct
Airflow