Return-Air Filters
Type and size of filters are shown in Tables 1-4 and are
factory-supplied and factory-installed. In all units with 2 fans,
Fig. 20 — Typical Fan Discharge Connections for Multiple Fan Units
FASFHS150-180-01SI
a filter replacement tool (hook) is shipped inside the unit for
field use when replacing filters. See the Service section for
instructions on filter element replacement.
Duct Flanges
Fig. 21 — Duct Flange Installation
Specifications subject to change without notice.
21