flexible duct is used, insert a sheet metal sleeve inside duct. Heat
resistant duct connector (or sheet metal sleeve) must extend 24-in.
from the unit discharge connection flange into the ductwork.
ACCESSORY DUCT FLANGE KIT INSTALLATION-
1. Mark hole locations (See instructions included in Flange
Kit).
CAUTION:
Do not drill deeper than 1/2–in. into area
between round duct openings. Damage to refrigerant coil
could result.
2. At marked locations, drill holes using a no. 26 (.147-in.)
twist drill (See Fig. 19).
3. Partially secure duct flanges using two of the no. 10, 1/2-in.
screws provided.
4. See the following caution. Using remaining holes in duct
flanges as templates, drill the remaining holes with the no.
26 (.147-in.) drill.
5. Fully secure the duct flanges using the remaining screws
provided.
NOTE:
The finished kit installation accommodates a 14 3/4-in. x
14 3/4-in. duct.
A.
CONFIGURING UNITS FOR DOWNFLOW (VERTI-
CAL) DISCHARGE-STANDARD UNITS (024–042)
Units 024–042 (Units with PSC Indoor Blower Motors) are
shipped in a horizontal configuration. To convert a horizontal unit
for downflow (vertical) discharge, perform the following steps:
Fig. 16—Blower Shelf and Housing
C95017
FILLER
BRACKET
Fig. 17—Control Box Detail View
C95017
DEFROST
BOARD
CONTACTOR
RELAY
Fig. 18–Condensate Trap
C99013
1” (25mm) MIN.
2” (50mm) MIN.
TRAP
OUTLET
—11—
installed, use fire proof canvas (or similar heat resistant material)
connector between ductwork and unit discharge connection. If
REMOVE
