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GENERAL INFoRMAtIoN
This appliance has been tested for capacity and efficiency
in accordance with AHRI Standards and will provide many
years of safe and dependable comfort, providing it is properly
installed and maintained. Abuse, improper use, and/or
improper maintenance can shorten the life of the appliance
and create unsafe hazards. Please read all instructions
before installing the unit.
Before You Install this unit
√ This equipment is securely packaged at the time of
shipment and upon arrival should be carefully inspected
for damage prior to installing the equipment at the job
site. Claims for damage (apparent or concealed) should
be filed immediately with the carrier.
√ it is recommended that the cooling load of the area to
be conditioned should be calculated and a system of the
proper capacity selected.
√ Check the electrical supply and verify the power supply
is adequate for unit operation. The system must be wired
and provided with circuit protection in accordance with
local building codes. If there is any question concerning
the power supply, contact the local power company.
√ Verify the duct system is appropriate for the air handler
being installed. Please note that when replacing an existing
system with lower air-flow, the duct system may require
modification.
Locating the Air Handler
• Survey the job site to determine the best location for
mounting the unit. Consideration should be given to
availability of electric power, service access, and noise.
• The dimensions of the room or alcove must be able to
accommodate the overall size of the unit and the installation
clearances listed in
Table
1. Physical dimensions for this
air handler are also shown in
Figure 12 (page
15).
• The air handler should be set into position before routing
the refrigerant tubing.
Minimum clearances
• This appliance must be installed in accordance with
clearances listed in
Table
1. The air handler must be
installed with ample clearance for easy access to the air
filter, blower assembly, heater assembly, controls, and
vent connections. Applicable building codes may require
additional clearance to equipment. Refer to applicable
building codes for details.
• Static pressure drop through louvered openings and
through return air plenums should be considered in the
overall duct design in the determination of the total external
static pressure.
operation of Air Handler During construction
cAutIoN:
Failure to follow these instructions will void the
factory warranty and may significantly reduce
the life or the performance of the air handler,
and/or result in other unsafe conditions. It is
the responsibility of the installing contractor to
insure these provisions are met.
Operating an air handler in a construction environment
can cause the appliance a variety of problems. Proper use
of commercial portable space heating equipment during
construction is recommended. This air handler may be used
during construction if it is not in violation of any applicable
codes and the following criteria are met:
• The installation must meet all applicable codes and be
permanently installed according to the instructions supplied
with the air handler including electrical supply and duct
work.
• The air handler must be controlled by a properly installed
thermostat that complies with the current provisions of
the NEC (ANSI/NFPA 70) and all applicable codes having
jurisdiction. Thermostat connections must be made in
accordance with instructions supplied with the air handler
and thermostat. See
page 11
&
page
10.
• The installation must include a properly installed filter in
the return air system with no by-pass air. The filter must
be inspected frequently and replaced when necessary.
• Return air must be supplied unrestricted and located such
that dust and gases from construction activity are not
introduced into the circulating air system.
INStALLAtIoN cLEARANcES
Left Side ............. 0 Inches
Right Side ......... 0 Inches
Back .................. 0 Inches
Front ...............†See Notes
REAR
LEFT
RIGHT
SIDE
SIDE
FRONT
†
NotE:
Alcove Installations - Allow 24 in. minimum clearance from front
of unit to nearest wall or partition for servicing. Recommended
clearance is 36 in.
Minimum unit clearances
table 1.
Page 4
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