3
RETURN AIR BOX (SPC-1D, AC-RBF-3, SPC-3D):
Each includes filter grill with metal frame, permanent
filter, and 2 clamp bands. SPC-1D is for WCSP-2430.
AC-RBF-3 is for WCSP-3642 and SPC-3D is for
WCSP-4860.
RETURN AIR DUCT (SPC-4,5, & 6): Flexible, 10 feet
long with round shape. SPC-4 (15" dia.) for WCSP-
2430. SPC-5 (19" dia.) for WCSP-3642 and SPC-6 (24"
dia.) is for WCSP-4860 .
PLENUM ADAPTOR: 9" round OR 10" X 10" square
metal component to attach plenum duct to fan coil unit.
Plenum Adaptor - 9" Round - AC-PAJ
Plenum Adaptor - 10" x 10" Square - AC-PAJSQ
PLENUM DUCT & COMPONENTS: May be SmartPak
System Duct, 9" round sheet metal or 10" X 10" (O.D.)
square, fiberboard duct types as specified by the
installing contractor. Above layout is shown as an
illustrative assembly reference only.
R6 SUPPLY TUBING (AC-ST6-100): Flexible, R6
insulated, 2" I.D. and 3-1⁄4" O.D. Each section is
100 feet long.
R8 SUPPLY TUBING (AC-ST8-75): Flexible, R8 insulated,
2" I.D. and 5-3⁄8" O.D. Each section is 75 feet long.
INSTALLATION KITS: Contains a specified amount
of sound attenuating tubes, kwik-connects, terminator
plates (incl. spring clips & screws), winter supply air
shut-offs and a balancing orifice set to complete
installation of room outlets. Supplied in (2 )[AC-IKLT-2]
and (5) [AC-IKLT-5] outlet boxed quantities.
PLENUM TAKE-OFF KIT: Contains a specific amount
of plenum take-offs, gaskets and fasteners to complete
installation of room outlets. Take-offs available for round
or square duct as specified by installing contractor.
Supplied in (2) [AC-TKMR-2] and (5) [AC-TKMR-5]
outlet boxed quantities for round sheet metal and (2)
[AC-TKFS-2] and (5) [AC-TKFS-5] outlet boxed
quantities for square fiberboard.
KWIKCONNECTWALLELBOW(AC-KCWE): To
allow for wall terminations in 2" X 4" stud spaces.
SECONDARYDRAINPAN: Specifically sized for
SpacePak horizontal fan coil units. Constructed of
durable polyethylene. Fan coil unit sets directly on top
and can be installed with threaded rod.
PLIERS (SPC-72): To assure full setting of all clips
(fasteners) in plenum take-off (not shown).
PLENUM HOLE CUTTER (SPC-71-10): To cut 2" hole
in fiber board for plenum take-off installation (not shown).
FIGURE 1.1: AIR DISTRIBUTION SYSTEM COMPONENTS