Daikin DFG Series Installation Instructions Manual page 5

• This 36" clearance must also be maintained to insure
proper combustion air and flue gas flow. The combustion
air intake and furnace flue discharge must not be blocked
for any reason, including blockage by snow.
• Adequate clearances from the furnace flue discharge to
any adjacent public walkways, adjacent buildings, build-
ing openings or openable windows must be maintained
in accordance with the latest edition of the National Fuel
Gas Code (ANSI Z223.1)
• Minimum horizontal clearance of 48" from the furnace
flue discharge to any electric meters, gas meters, regula-
tors and relief equipment is required.
Unit Precautions
• Do not stand or walk on the unit.
• Except for holes in the wiring entrances (see Figure be-
low), do not drill holes anywhere in panels or in the base
frame of the unit. Unit access panels provide structural
support.
• Do not remove any access panels until unit has been in-
stalled on roof curb or field supplied structure.
• Do not roll unit across finished roof without prior approv-
al of owner or architect.
• Do not skid or slide on any surface as this may damage
unit base. The unit must be stored on a flat, level surface.
Protect the condenser coil because it is easily damaged.
Roof Curb Installations Only:
Before installing this unit...
IMPORTANT NOTE: This unit has been equipped with a shipping
brace under the compressor section that MUST BE REMOVED
before installing the unit on a roof curb.
Please follow the instructions below to remove brace.
When unit is suspended, boards and shipping brace will
drop when screws are removed. To prevent personal injury,
STAND CLEAR. Remove fork hole brackets, boards and
shipping brace from bottom of unit before placing units
onto curb.
1. Remove wooden struts and shipping brace per installa-
tion instructions. The struts are located in the fork holes
and are used to protect the unit from damage while lifting
with forks. The shipping brace is located under the unit
(under compressor). Also remove the fork hole brackets
as shown in the following figure.
2. Locate and remove the end brackets as shown in the fol-
lowing figure.
CAUTION
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 Nation-
al 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 in-
stalling contractor. All required hardware necessary for the as-
sembly of the sheet metal curb is included in the curb accessory.
To prevent possible equipment damage, property damage,
personal injury or death, the following bullet points must
be observed when installing the unit.
• Sufficient structural support must be determined prior to
locating and mounting the curb and package unit.
5
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
WARNING