5168274-BIM-I-1121
Johnson Controls Ducted Systems
7
Location
Use the following guidelines to select a suitable location for
these units:
1.
Unit is designed for
outdoor installation only
.
2.
Condenser coils must have an unlimited supply of air.
Where a choice of location is possible, position the unit on
either north or east side of building.
3.
Suitable for mounting on roof curb.
4.
For ground level installation, use a level concrete slab with
a minimum thickness of 4 inches. The length and width
should be at least 6 inches greater than the unit base rails.
Do not tie slab to the building foundation.
5.
Roof structures must be able to support the weight of the
unit and its options/accessories. Unit must be installed on a
solid, level roof curb or appropriate angle iron frame.
6.
Maintain level tolerance to 1/2” across the entire width and
length of unit.
Clearances
All units require particular clearances for proper operation and
service. Refer to Table 4 for clearances required for
combustible construction, servicing, and proper unit operation.
Rigging And Handling
Exercise care when moving the unit. Do not remove any
packaging until the unit is near the place of installation. Rig the
unit by attaching chain or cable slings to the lifting holes
provided in the base rails. Spreader bars, whose length
exceeds the largest dimension across the unit,
MUST
be used
across the top of the unit.
Units may be moved or lifted with a forklift, from the side only,
providing an accessory skid is used.
LENGTH OF FORKS MUST BE A MINIMUM OF 90 INCHES.
Do not permit overhanging structures or shrubs to
obstruct condenser air discharge outlet, or vent outlets.
If a unit is to be installed on a roof curb other than a
Ducted Systems roof curb, gasketing must be applied to
all surfaces that come in contact with the unit underside.
Before lifting, make sure the unit weight is distributed
equally on the rigging cables so it will lift evenly.
All panels must be secured in place when the unit is
lifted.
The condenser coils should be protected from rigging
cable damage with plywood or other suitable material.
