Bryant SINGLE PACKAGED HEAT PUMP UNITS 657A - Manual (Page 11)

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
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installed, use fire proof canvas (or similar heat resistant material)
connector between ductwork and unit discharge connection. If
REMOVE