Horizontal Discharge; Rigging Details - Daikin M Series Installation Instructions Manual

3. To ensure proper condensate drainage, unit must be
installed in a level position.
4. Consideration should also be given to shade,
appearance, and noise.
Install all duct connections on the unit before placing the
unit on rooftop.

Horizontal Discharge

Refer to IOD-7082 included in the literature pack for
installing horizontal duct covers.
Flexible duct connectors between the unit and ducts are
recommended. Insulate and weatherproof all external
ductwork and joints as required and in accordance with
local codes.
SUPPLY
12" X 17"
6-3/16
Horizontal Discharge Duct Connections

RIGGING DETAILS

To prevent property damage, the unit should
remain in an upright position during all rigging
and moving operations. To facilitate lifting and
moving when a crane is used, place the unit in an
adequate cable sling.
If units are lifted two at a time, the fork
holes on the condenser end of the unit must
not be used. Minimum fork length is 42" to
prevent damage to the unit; however, 48" is
recommended.
7-3/8
RETURN
11" X 25"
WARNING
CAUTION
To prevent possible equipment damage, property
damage, personal injury or death, the following
bullet points must be observed when installing
the unit.
Provisions for forks have been included in the
unit base frame. No other fork locations are
approved.
• 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
5
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.
To assist in determining rigging requirements, unit weights
and center of gravity are shown as follows:
7
WARNING