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SPECIFICATIONS
Packaged Air Conditioners are designed for
outdoor rooftop or ground level slab installations.
The units are shipped ready for horizontal duct
connections and are easily converted for
downflow applications.
All models are shipped from the factory with the
following:
1. Zero clearance to combustibles.
2. Multi-speed direct-drive blower.
3. Compressor Anti-short-cycle timer (single
phase models only).
4. Blower Speed Relay.
5. Horizontal or Downflow duct connections.
The unit dimensions are shown in Figure 2.
Optional field-installed electric heater kits are
available in 5 kw through 20 kw heating
capacities. A separate installation instruction
document for the electric heaters and their
application accompanies this one. A single stage
cooling 24VAC thermostat should be used with
these units. If electric heat will be installed, a
single-stage cooling, single stage heating
thermostat will be required.
SAFETY CONSIDERATIONS
It is the responsibility of the installer to ensure
that the installation is made in accordance with
all applicable local and national codes.
WARNING:
!
Improper installation, service,
adjustment, or maintenance may
cause explosion, fire, electrical shock
or other hazardous conditions which
may result in personal injury or
property damage. Unless otherwise
noted in these instructions, only
factory authorized kits or accessories
may be used with this product. Non-
compliance may void the unit's
warranty.
Labels, Tags — When working with this
equipment, follow all precautions in the literature,
on tags, and on labels provided with the unit
and/or approved field installed kits. The type of
4
hazard and severity are described on each label
or tag.
Pressures Within The System — This
equipment contains liquid and gaseous
refrigerant under high pressure. Installation or
servicing should only be performed by qualified
trained personnel thoroughly familiar with this
type equipment.
INSTALLATION REQUIREMENTS
Equipment Check — Before beginning the
installation, verify that the unit model is correct
for the job. The unit model number is printed on
the data label. All units have been securely
packaged at the point of shipment. After
unpacking the unit, carefully inspect it for
apparent and concealed damage. Claims for
damage should be filed with the carrier by the
consignee.
Requirements and Codes — The installer must
comply with all local codes and regulations
which govern this type equipment. Local codes
and regulations take precedence over any
recommendations contained in these
instructions. All electrical wiring must be made
in accordance with local codes and regulations
and with the National Electric Code (ANSI/
NFPA 70) or in Canada the Canadian Electric
Code Part 1 CSA C.22.1. Air Ducts must be
installed in accordance with the standards of the
National Fire Protection Association "Standards
for Installation of Air Conditioning and Ventilation
Systems" (NFPA 90A), "Standard for Installation
of Residence Type Warm Air Heating and Air
Conditioning Systems" (NFPA 90B), these
instructions and all applicable local codes.
NFPA publications are available by writing:
National Fire Protection Association
Batterymarch Park
Quincy, Maine 02269
Unit Location — This air conditioner is designed
only for outdoor installations. Choosing the
location of the unit should be based on minimizing
the length of the supply and return ducts.
Consideration should also be given to availability
of electric power, service access, noise, and
shade. Sufficient clearance for unobstructed
airflow through the outdoor coil must be
maintained in order to achieve rated performance
See Figure 3 for minimum clearances to
obstructions.
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