Daikin DCG Series, Installation And Maintenance Manual

Page: 9 / 38

7
D
O NOT LIFT UNITS TWO AT A TIME
. P
ROVISIONS FOR FORKS HAVE BEEN
INCLUDED IN THE UNIT BASE FRAME
. M
INIMUM FORK LENGTH IS
72”
TO
PREVENT DAMAGE TO THE UNIT
.
CAUTION
Provisions for forks have been included in the unit base frame. No
other fork locations are approved.
T
O PREVENT POSSIBLE EQUIPMENT DAMAGE
,
PROPERTY DAMAGE
,
PERSONAL INJURY OR DEATH
,
THE FOLLOWING BULLET POINTS MUST BE
OBSERVED WHEN INSTALLING THE UNIT
.
WARNING
• 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 Na-
tional 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.
W
HEN UNIT IS SUSPENDED
,
BOARDS AND SHIPPING BRACE WILL DROP WHEN
SCREWS ARE REMOVED
. T
O PREVENT PERSONAL INJURY
, STAND CLEAR.
R
EMOVE FORK HOLE BRACKETS
,
BOARDS AND SHIPPING BRACE FROM BOTTOM
OF UNIT BEFORE PLACING UNIT ONTO CURB
.
CAUTION
To assist in determining rigging requirements, unit weights are
shown as follows:
COMPRESSOR 1
COMPRESSOR 2
CG
E
V
A
P
O
R
A
T
O
R
C
O
IL
S
A
B
C
X
D
Y
CORNER & CENTER OF GRAVITY LOCATIONS
Corner Weight - A 582 645
Corner Weight - B 475 527
Corner Weight - C 565 589
Corner Weight - D 461 481
Unit Shipping Weight 2198 2357
Unit Operating Weight 2083 2242
X (Inches) 65" 63"
Y (Inches) 40" 40"
DATA
DCG Weights
(lbs)
15 Tons 20 Tons
NOTE: These weights are without accessories installed.
T
O PREVENT SEVERE DAMAGE TO THE BOTTOM OF THE UNIT
,
DO NOT
FORK LIFT UNIT AFTER WOOD STRUTS HAVE BEEN REMOVED
.
CAUTION
Bring condenser end of unit into alignment with the curb. With
condenser end of the unit resting on curb member and using curb
as a fulcrum, lower opposite end of the unit until entire unit is
seated on the curb. When a rectangular cantilever curb is used,
care should be taken to center the unit. Check for proper align-
ment and orientation of supply and return openings with duct.