Positioning On Curb; Step 7 - Convert To Horizontal And Connect; Ductwork - Bryant 549J Series Installation Instructions Manual

"B"
REQUIRED
SPREADER
BARS
UNIT
549J*07A/D
549J*08D
549J*09D
NOTES:
1. Dimensions in ( ) are millimeters.
2. Hook rigging shackles through holes in base rail, as shown in detail "A." Holes in base rails are centered
around the unit center of gravity. Use wooden top to prevent rigging straps from damaging unit.
When using the standard side drain connection, ensure the
red plug in the alternate bottom connection is tight. Do
this before setting the unit in place. The red drain pan
plug can be tightened with a
extension. For further details see "Step 9 - - Install External
Condensate Trap and Line" on page 15.
Before setting the unit onto the curb, recheck gasketing on
curb.
Positioning on Curb —
Position unit on roof curb so that the following clearances
1
are maintained: / in. (6.4 mm) clearance between the
4
roof curb and the base rail inside the front and rear, 0.0 in.
clearance between the roof curb and the base rail inside on
the duct end of the unit. This will result in the distance
between the roof curb and the base rail inside on the
condenser end of the unit being approximately
(6.4 mm).
Although unit is weatherproof, guard against water from
higher level runoff and overhangs.
For size 08 and 09 units: after unit is in position, remove
the compressor access panel. Holding the blocking
between compressors with one hand, cut the strapping.
Carefully remove the blocking without damaging tubing,
wiring, or controls. Remove the strapping and replace the
access panel.
Remove all shipping materials and top skid. Recycle or
dispose of all shipping materials.
Step 7 — Convert to Horizontal and Connect
Ductwork (when required)
Unit is shipped in the vertical duct configuration. Unit
914-1371
(36"-54")
"C"
"A"
SEE DETAIL "A"
MAX WEIGHT
LB KG IN.
1100 500 88.0
1315 598 88.0
1505 684 88.0
Fig. 9 - - Rigging Details
1
/ - - in. square socket drive
2
1
PLACE ALL SEAL STRIP IN PLACE
BEFORE PLACING UNIT ON ROOF CURB.
DUCT END
DIMENSIONS
A
MM IN.
2235 40.8
2235 41.6
2235 40.0
without factory- - installed economizer or return air smoke
detector option may be field- - converted to horizontal ducted
configuration. To convert to horizontal configuration,
remove screws from side duct opening covers and remove
covers. Using the same screws, install covers on vertical
duct openings with the insulation- - side down. Seals around
duct openings must be tight. See Fig. 10.
/ in.
4
Fig. 10 - - Horizontal Conversion Panels
Field- - supplied flanges should be attached to horizontal
duct openings and all ductwork should be secured to the
flanges. Insulate and weatherproof all external ductwork,
joints, and roof or building openings with counter flashing
and mastic in accordance with applicable codes.
Do not cover or obscure visibility to the unit's informative
data plate when insulating horizontal ductwork.
13
DETAIL "A"
B C
MM IN.
1035 41.5
1057 49.5
1015 49.5
C10410
MM
1055
1257
1257
C06108