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Before You install this equipment
√ 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.
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.
• 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.
inStallation clearanceS
Left Side ......... 0 Inches Right Side ...... 0 Inches
Back ............... 0 Inches Front ...........
LEFT
SIDE
Closet or Alcove Installations:
• Allow 24 in. minimum clearance from front of unit to
nearest wall or partition for servicing. Recommended
clearance is 36 in.
table 1. Minimum unit clearances
4
†
See Notes
REAR
RIGHT
SIDE
FRONT
†
note:
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 shown in Figure 7
(page 14).
• The air handler should be set into position before routing
the refrigerant tubing.
operation of an 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 9.
• 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.
• Before occupying the structure: The filter must be
replaced or cleaned, the duct work must be inspected
and cleaned of any construction debris, and the air
handler must be cleaned and/or repaired if found to
be dirty, damaged, or malfunctioning in any way by
a qualified HVAC technician. The air handler shall be
inspected and approved by applicable local authority
even if this requires redundant inspections.
• The serial number for the air handler used during
construction must be submitted in writing (fax and
email also acceptable). This information will be used to
track the long-term affects of air handler usage during
construction. Proof of this submittal shall be available for
the final inspection of the air handler prior to occupancy.
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