5300477-UIM-A-0317
Johnson Controls Unitary Products
3
LOCATION
Use the following guidelines to select a suitable location for these units:
1.
Unit is designed for
outdoor installation
only.
2.
Outdoor 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, 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. Unit must be installed on a solid, level roof
curb or appropriate angle iron frame.
6.
Maintain level tolerance to 1/8” across the entire width and length of
unit.
CLEARANCES
All units require certain clearances for proper operation and service.
Refer to Table 4 for the clearances required for 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. Slotted openings in the base
rails are provided for this purpose.
FIGURE 1:
Component Location
OUTDOOR FAN MOTOR
OUTDOOR FAN
COIL GUARD PANEL
OUTDOOR COIL
(Behind Panel)
CONTACTOR
TRANSFORMER
CAPACITOR
BLOWER MOTOR
TXV
INDOOR COIL
INDOOR BLOWER
COMPRESSOR
REMOVABLE
BASE RAILS
A0411-001
OPTIONAL
ELECTRIC HEAT KIT
ECM BLOWER MOTOR
CONTROL BOARD
WARNING
Do not attach supply and return duct work to the bottom of the unit
base pan as the drain pan could be compromised.
WARNING
Do not permit overhanging structures or shrubs to obstruct outdoor
air discharge outlet.
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CAUTION
If a unit is to be installed on a roof curb other than a Unitary Products
roof curb, gasket or sealant must be applied to all surfaces that come
in contact with the unit underside.
CAUTION
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.
CAUTION
Before lifting, make sure the unit weight is distributed equally on the
rigging cables so it will lift evenly.
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