Roof Curb Post-Installation Checks; Roof Top Duct Connections; Rigging Details - Daikin DCC Series Installation Instructions Manual

Lighting commercial packaged heating and cooling unit
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NOTE: 15 & 20 ton models have 3 fans.
25 ton models have 2 fans.
INSULATED
PANELS
Roof Curb Installation

ROOF CURB POST-INSTALLATION CHECKS

After installation, check the top of the curb, duct connection
frame and duct flanges to make sure gasket has been ap-
plied properly. Gasket should be firmly applied to the top
of the curb perimeter, duct flanges and any exposed duct
connection frame. If gasket is loose, re-apply using strong
weather resistant adhesive.
P
rotrusion
Inspect curb to ensure that none of the utility services (elec-
tric) routed through the curb protrude above the curb.
I
,
F PROTRUSIONS EXIST
DO NOT ATTEMPT TO SET UNIT ON CURB
I
.
NFORMATION SHOWN

ROOF TOP DUCT CONNECTIONS

Install all duct connections on the unit before placing the
unit on rooftop.

RIGGING DETAILS

T
O PREVENT PROPERTY DAMAGE
UPRIGHT POSITION DURING ALL RIGGING AND MOVING OPERATIONS
T
O FACILITATE LIFTING AND MOVING WHEN A CRANE IS USED
THE UNIT IN AN ADEQUATE CABLE SLING
.
CAUTION
WARNING
,
THE UNIT SHOULD REMAIN IN AN
,
PLACE
.
D
O NOT LIFT UNITS TWO AT A TIME
INCLUDED IN THE UNIT BASE FRAME
PREVENT DAMAGE TO THE UNIT
Provisions for forks have been included in the unit base
frame. No other fork locations are approved.
T
O PREVENT POSSIBLE EQUIPMENT DAMAGE
PERSONAL INJURY OR DEATH
OBSERVED WHEN INSTALLING THE UNIT
• Unit must be lifted by the four lifting holes located at
the base frame corners.
• Lifting cables should be attached to the unit with
shackles.
• The distance between the crane hook and the top of
the unit must not be less than 60".
• Two spreader bars must span over the unit to prevent
damage to the cabinet by the lift cables. Spreader
bars must be of sufficient length so that cables do
not come in contact with the unit during transport.
Remove wood struts mounted beneath unit base
frame before setting unit on roof curb. These struts
are intended to protect unit base frame from fork lift
damage. Removal is accomplished by extracting the
sheet metal retainers and pulling the struts through
the base of the unit. Refer to rigging label on the unit.
Important:If using bottom discharge with roof curb, ductwork
should be attached to the curb prior to installing the unit.
Ductwork dimensions are shown in Roof Curb Installation
Instructions.
Refer to the Roof Curb Installation Instructions for proper
curb installation. Curbing must be installed in compliance
with the National Roofing Contractors Association Manual.
Lower unit carefully onto roof mounting curb. While rigging
unit, center of gravity will cause condenser end to be lower
than supply air end.
.
.
6
CAUTION
. P
ROVISIONS FOR FORKS HAVE BEEN
. M
72"
INIMUM FORK LENGTH IS
.
WARNING
,
PROPERTY DAMAGE
,
THE FOLLOWING BULLET POINTS MUST BE
.
TO
,

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