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Table 2: Application Limitations
Air Temperature at Outdoor Coil (°F)
Packaged
Equipment
Minimum
Series
DB Cool
14 SEER HP
55
OUTDOOR COIL
AMBIENT
TEMPERATURE
SENSOR
OUTDOOR TXV
REVERSING
VALVE
INDOOR TXV
COMPRESSOR
INDOOR COIL
REMOVABLE
BASE RAILS
FIGURE 1: Component Location
LOCATION
WARNING
!
Do not permit overhanging structures or shrubs to obstruct outdoor
air discharge outlet.
Use the following guidelines to select a suitable location for these units:
outdoor installation
1. Unit is designed for
2. Outdoor coils must have an unlimited supply of air. Where a choice
of location is possible, position the unit on either the north or east
side of the building.
3. Suitable for mounting on roof curb.
WARNING
!
Do not attach supply and return duct work to the bottom of the unit
base pan as the drain pan could be compromised.
4. For ground level installation, a level pad or slab should be used.
The thickness and size of the pad or slab used should meet local
codes and unit weight. Do not tie the slab to the building foundation.
5. Roof structures must be able to support the weight of the unit and
its options/accessories. The unit must be installed on a solid, level
roof curb or appropriate angle iron frame.
6. Maintain level tolerance to 1/8 in. across the entire width and length
of unit.
CLEARANCES
All units require certain clearances for proper operation and service.
Refer to Table 5 for the clearances required for construction, servicing
and proper unit operation.
Johnson Controls Ducted Systems
Maximum
DB Heat
DB Cool
-10
125
only.
Air Temperature at Indoor Coil (°F)
Minimum
DB Heat
WB Cool
75
57
FAN MOTOR
OUTDOOR FAN
RIGGING AND HANDLING
!
All panels must be secured in place when the unit is lifted.
The outdoor coils should be protected from rigging cable damage
with plywood or other suitable material.
!
If a unit is to be installed on a roof curb other than a Ducted Systems
roof curb, gasket or sealant must be applied to all surfaces that come
in contact with the unit underside.
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.
!
Before lifting, make sure the unit weight is distributed equally on the
rigging cables so it will lift evenly.
Units may be moved or lifted with a forklift. Slotted openings in the base
rails are provided for this purpose.
5020803-UIM-M-0120
Maximum
DB Heat
WB Cool
50
72
COIL GUARD PANEL
CONTROL BOARD
CAPACITOR
TRANSFORMER
BLOWER MOTOR
OPTIONAL
ELECTRIC HEAT KIT
INDOOR BLOWER
CAUTION
CAUTION
CAUTION
DB Heat
80
A0380-001
3
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