3
To assure that your unit operates safely and efciently, 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 agen-
cy (epa) haS ISSUed varIoUS regUlatIonS regardIng the Intro-
dUctIon 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 acertIfIed
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 installa-
tion in accordance with National Codes. It is the installer’s re-
sponsibility 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 calculat-
ed 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
125 West 43rd Street, 4th Floor
New York, NY 10036
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 nal 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 as-
sembly 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 identication plate identies 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 re-
ceiver 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 notied
as soon as possible-preferably within 5 days.
4. File the claim with the following supporting documents:
a. Original Bill of Lading, certied copy, or indemnity
bond.
b. Original paid freight bill or indemnity in lieu thereof.
c. Original invoice or certied copy thereof, showing trade
and other discounts or reductions.
d. Copy of the inspection report issued by carrier repre-
sentative at the time damage is reported to the car-
rier. The carrier is responsible for making prompt in-
spection 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 in-
stalling unit. Ensure each step or procedure is understood
and any special considerations are taken into account be-
fore starting installation. Assemble all tools, hardware and
supplies needed to complete the installation. Some items
may need to be purchased locally.
UNIT LOCATION
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 suf-
ciently 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 opera-
tion. 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 damage and that are not covered by the warranty.
Give this booklet to the user and explain it’s provisions. The
user should retain these instructions for future reference.
• For proper operation and condensate drainage, the unit
must be mounted level.
• Do not locate the unit in an area where the outdoor air
will be frequently contaminated by compounds containing
chlorine or uorine. Common sources of such compounds
include swimming pool chemicals and chlorine bleaches,
paint stripper, adhesives, paints, varnishes, sealers, wax-
es (which are not yet dried) and solvents used during con-
struction and remodeling. Various commercial and
TOPREVENT POSSIBLE EQUIPMENT DAMAGE, PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH, THE FOLLOWING BULLET POINTS MUST
BE OBSERVED WHEN INSTALLING THE UNIT.
WARNING
