Goodman Mfg ANSI Z21.47CSA-2.3 - Manual (Page 6)

6
LIFT OVER APPROXIMATE
CENTER OF UNIT
SPREADER BARS
MUST BE USED WITH
LIFTING STRAPS THAT
ARE LESS THAN 16
FEET LONG
REMOVE 2 BRACKETS
ON EACH END TO
REMOVE
WOODEN STRUTS REMOVE 2 BRACKETS
ON EACH END TO
REMOVE
SHIPPING BRACE
3. Lift unit per the “Rigging Details” section of this manual,
observing all warnings and cautions. When unit is
lifted, boards and shipping brace will drop if screws
have been removed. To avoid injury, STAND CLEAR.
4. Dispose of the boards and brace appropriately.
Curb installations must comply with local codes and should
be done in accordance with the established guidelines of the
National Roofing Contractors Association.
Proper unit installation requires that the roof curb be firmly
and permanently attached to the roof structure. Check for
adequate fastening method prior to setting the unit on the
curb.
Full perimeter roof curbs are available from the factory and
are shipped unassembled. Field assembly, squaring, level-
ing and mounting on the roof structure are the responsibility
of the installing contractor. All required hardware necessary
for the assembly of the sheet metal curb is included in the
curb accessory.
T O PREVENT POSSIBLE EQUIPMENT DAMAGE , PROPERTY DAMAGE ,
PERSONAL INJURY OR DEATH , THE FOLLOWING BULLET POINTS MUST BE
OBSERVED WHEN INSTALLING THE UNIT .
WARNING
• Sufficient structural support must be determined prior
to locating and mounting the curb and package unit.
• Ductwork must be constructed using industry
guidelines. The duct work must be placed into the
roof curb before mounting the package unit. Our full
perimeter curbs include duct connection frames to be
assembled with the curb. Cantilevered type curbs
are not available from the factory.
• Curb insulation, cant strips, flashing and general
roofing material are furnished by the contractor.
The curbs must be supported on parallel sides by roof mem-
bers. The roof members must not penetrate supply and re-
turn duct opening areas as damage to the unit might occur.
NOTE: The unit and curb accessories are designed to allow
vertical duct installation before unit placement. Duct
installation after unit placement is not recommended.
A LL CURBS LOOK SIMILAR . T O AVOID INCORRECT CURB POSITIONING ,
CHECK JOB PLANS CAREFULLY AND VERIFY MARKINGS ON CURB
ASSEMBLY . I NSTRUCTIONS MAY VARY IN CURB STYLES AND SUPERCEDE
INFORMATION SHOWN .
CAUTION
See the manual shipped with the roof curb for assembly and
installation instructions.
CLEARANCES
6”
72” 72” 72”
48” 48” 48”
48”
36”; minimum
roof overhang
UNIT CLEARANCES
Adequate clearance around the unit should be kept for safety,
service, maintenance, and proper unit operation. A total clear-
ance of 75” on the main control panel side of the unit is rec-
ommended to facilitate possible fan shaft, coil, electric heat
and gas furnace removal. A clearance of 48” is recommended
on all other sides of the unit to facilitate possible compressor