Clearances - Daikin DBC Series Installation Instructions Manual

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, leveling 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
PERSONAL INJURY OR DEATH
BE OBSERVED WHEN INSTALLING THE UNIT
•
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 members.
The roof members must not penetrate supply and return 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 . T
LL CURBS LOOK SIMILAR
,
POSITIONING CHECK JOB PLANS CAREFULLY AND VERIFY MARKINGS
. I
ON CURB ASSEMBLY NSTRUCTIONS MAY VARY IN CURB STYLES AND
SUPERSEDES INFORMATION SHOWN
See the manual shipped with the roof curb for assembly and
installation instructions.
WARNING
,
PROPERTY DAMAGE
,
THE FOLLOWING BULLET POINTS MUST
.
CAUTION
O AVOID INCORRECT CURB
.
*In situations that have multiple units, a 48" minimum clearance is
required between the condenser coils.
,
Adequate clearance around the unit should be kept for safety,
service, maintenance, and proper unit operation. A 75" clearance
on the non-service side of the unit is required to facilitate possible
blower assembly, shaft, wheel replacement and coil removal. *DBG
ONLY - A 75" clearance on the service is required for removal of
the gas heat exchanger. This unit must not be installed beneath
any obstruction. This unit should be installed remote from all
building exhausts to inhibit ingestion of exhaust air into the unit's
fresh air intake.
5

CLEARANCES

UNIT CLEARANCES
Roof Curb Installation