3
performance is delivered at the specified airflow. See product
specification sheet for light commercial models. Specification
sheets can be found at www.daikinac.com for Daikin brand
products. Within the website, please select the commercial
products menu and then select the submenu for the type of
product to be installed, such as air conditioners or heat pumps,
to access a list of product pages that each contain links to
that model’s specification sheet.
To assure that your unit operates safely and efficiently, it must
be installed, operated, and maintained in accordance with
these installation and operating instructions, all local building
codes and ordinances.
EPA Regulations
Important: The United States Environmental
Protection Agency (EPA) has issued various
regulations regarding the introduction and disposal
of refrigerants in this unit. Failure to follow these
regulations may harm the environment and can
lead to the imposition of substantial fines. Because
regulations may vary due to passage of new laws,
we suggest a certified technician perform any work
done on this unit. Should you have any questions
please contact the local office of the EPA.
National Codes
This product is designed and manufactured to permit
installation in accordance with National Codes. It is the
installer’s responsibility to install the product in accordance
with National Codes and/or prevailing local codes and
regulations.
The heating and cooling capacities of the unit should be
greater than or equal to the design heating and cooling loads
of the area to be conditioned. The loads should be calculated
by an approved method or in accordance with ASHRAE
Guide or Manual J - Load Calculations published by the Air
Conditioning Contractors of America.
Obtain from:
American National Standards Institute
25 West 43rd Street, 4th Floor
New York, NY 10018
System design and installation should also, where applicable,
follow information presented in accepted industry guides such
as the ASHRAE Handbooks. The manufacturer assumes no
responsibility for equipment installed in violation of any code
or regulation. The mechanical installation of the packaged roof
top units consists of making final connections between the unit
and building services; supply and return duct connections; and
drain connections (if required). The internal systems of the unit
are completely factory-installed and tested prior to shipment.
Units are generally installed on a steel roof mounting curb
assembly which has been shipped to the job site for installation
on the roof structure prior to the arrival of the unit. The model
number shown on the unit’s identification plate identifies the
various components of the unit such as refrigeration tonnage,
heating input and voltage.
Carefully inspect the unit for damage including damage to
the cabinetry. Any bolts or screws which may have loosened
in transit must be re-tightened. In the event of damage, the
receiver should:
1. Make notation on delivery receipt of any visible damage
to shipment or container.
2. Notify carrier promptly and request an inspection.
3. In case of concealed damage, carrier should be notified
as soon as possible-preferably within 5 days.
4. File the claim with the following supporting documents:
a. Original Bill of Lading, certified copy, or indemnity bond.
b. Original paid freight bill or indemnity in lieu thereof.
c. Original invoice or certified copy thereof, showing trade
and other discounts or reductions.
d. Copy of the inspection report issued by carrier
representative at the time damage is reported to the
carrier. The carrier is responsible for making prompt
inspection of damage and for a thorough investigation of
each claim. The distributor or manufacturer will not accept
claims from dealers for transportation damage.
NOTE: When inspecting the unit for transportation damage,
remove all packaging materials. Recycle or dispose of the
packaging material according to local codes.
Pre-Installation Checks
Carefully read all instructions for the installation prior to
installing unit. Ensure each step or procedure is understood
and any special considerations are taken into account before
starting installation. Assemble all tools, hardware and supplies
needed to complete the installation. Some items may need
to be purchased locally.
UNIT LOCATION
WARNING
To prevent possible equipment damage, property damage,
personal injury or death, the following bullet points
must be observed when installing the unit.
IMPORTANT NOTE:
Remove wood shipping rails prior to
installation of the unit.
All Installations:
Important Note:
Unit should be energized 24 hours
prior to compressor start up to ensure crankcase heater
has sufficiently warmed the compressors. Compressor
damage may occur is this step is not followed.
NOTE:
Appliance is shipped from factory for vertical
duct application.
Proper installation of the unit ensures trouble-free operation.
Improper installation can result in problems ranging from noisy
operation to property or equipment damages, dangerous
conditions that could result in injury or personal property
Summary of Contents for DTC Series
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