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12
C06005
UNIT
MAX WEIGHT
DIMENSIONS
A
B
C
LB
KG
IN
MM
IN
MM
IN
MM
581J*07
1200
545
88.0
2235
44.0
1120
41.5
1055
581J*08
1420
645
88.0
2235
44.0
1120
49.5
1255
581J*09
1420
645
88.0
2235
44.0
1120
49.5
1255
581J*11/12
1665
757
88.0
2235
32.0
815
49.5
1255
NOTES
:
1. SPREADER BARS REQUIRED — Top damage will occur if spreader bars are not used.
2. Dimensions in ( ) are in millimeters.
3. Hook rigging shackles through holes in base rail, as shown in detail “A.” Holes in base rails are centered around the unit center of gravity.
Use wooden top to prevent rigging straps from damaging unit.
Fig. 7 −
Rigging Details
Positioning on Curb —
Position unit on roof curb so that the following clearances
are maintained:
1
/
4
in. (6.4 mm) clearance between the
roof curb and the base rail inside the front and back, 0.0
in. clearance between the roof curb and the base rail
inside on the duct end of the unit. This will result in the
distance between the roof curb and the base rail inside on
the condenser end of the unit being approximately 3−5/16
in (84 mm).
Although unit is weatherproof, guard against water from
higher level runoff and overhangs.
UNIT DAMAGE HAZARD
Failure to follow this caution may result in
equipment damage.
All panels must be in place when rigging. Unit is not
designed for handling by fork truck when panels or
packaging are removed.
CAUTION
!
Flue vent discharge must have a minimum horizontal
clearance of 4 ft (1220 mm) from electric and gas meters,
gas regulators, and gas relief equipment. Minimum
distance between unit and other electrically live parts is
48 inches (1220 mm).
Flue gas can deteriorate building materials. Orient unit such
that flue gas will not affect building materials. Locate
mechanical draft system flue assembly at least 48 in. (1220
mm) from an adjacent building or combustible material.
NOTE: Installation of accessory flue discharge deflector
kit will reduce the minimum clearance to combustible
material to 18 in. (460 mm).
After unit is in position, remove rigging skids and
shipping materials.
Step 7 — Convert to Horizontal and Connect
Ductwork (when required)
Unit is shipped in the vertical duct configuration. Unit
without factory−installed economizer or return air smoke
detector option may be field−converted to horizontal ducted
configuration. To convert to horizontal configuration,
remove screws from side duct opening covers and remove
covers. Using the same screws, install covers on vertical
duct openings with the insulation−side down. Seals around
duct openings must be tight. See Fig. 8.
C06108
Fig. 8 −
Horizontal Conversion Panels
581J
Summary of Contents for 581J series
Page 4: ...4 C160140 Fig 2 Unit Dimensional Drawing Sizes 07 09 581J ...
Page 5: ...5 C160141 Fig 2 Unit Dimensional Drawing Sizes 07 09 cont 581J ...
Page 6: ...6 C13300A Fig 3 Unit Dimensional Drawing Sizes 11 and 12 581J ...
Page 7: ...7 C13301A Fig 3 Unit Dimensional Drawing Sizes 11 and 12 cont 581J ...
Page 25: ...25 C160113 Fig 36 Typical RTU Open Controller Wiring Diagram 581J ...