Comfort-Aire FMG****X1E Series - Manual (Page 3)

3
REQUIREMENTS & CODES
WARNING:
This unit must be installed in accordance with
instructions outlined in this manual during
the installation, service, and operation of
this unit. Unqualified individuals should not
attempt to interpret these instructions or
install this equipment. Failure to follow safety
recommendations could result in possible
damage to the equipment, serious personal
injury or death.
• The installer must comply with all local codes and
regulations which govern the installation of this type
of equipment. Local codes and regulations take
precedence over any recommendations contained in
these instructions. Consult local building codes and the
National Electrical Code (ANSI CI) for special installation
requirements.
• This equipment contains nitrogen gas. Installation or
servicing should only be performed by qualified trained
personnel thoroughly familiar with this type of equipment.
• All electrical wiring must be completed in accordance
with local, state and national 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.
Table 1. Minimum Unit Clearances
REAR
RIGHT
SIDE
LEFT
SIDE
FRONT
INSTALLATION CLEARANCES
Left Side ......... 0 Inches Right Side ...... 0 Inches
Back ............... 0 Inches Front ...........
† See Notes
† NOTES:
Alcove Installations - Allow 24 in. minimum clearance
from front of unit to nearest wall or partition for servicing.
Recommended clearance is 36 in.
Closet installations - require a return air grill installed in
the door or a partially louvered door across the opening
for proper air circulation. For clearances 6” or greater, the
closet must have an open free area of 235 in 2 minimum.
For special clearances between 1” - 5”, requirements
are a louvered door with a minimum of 250 in 2 (1613
cm 2 ) free area. A fully louvered closet door is strongly
recommended for both installation types.
• Installation of equipment may require brazing operations.
Installer must comply with safety codes and wear
appropriate safety equipment (safety glasses, work
gloves, fire extinguisher, etc.) when performing brazing
operations.
• Install this unit only in a location and position as specified
on pages 3 & 4. This unit is designed only for indoor
installations and should be located with consideration
of minimizing the length of the supply and return ducts.
See Table 7 (page 13) and the rating plate for proper
circulating airflow data.
• Follow all precautions in the literature, on tags, and
on labels provided with the equipment. Read and
thoroughly understand the instructions provided with
the equipment prior to performing the installation and
operational checkout of the equipment.
• This air handler may be used for temporary heating
of buildings or structures under construction. See the
guidelines listed on page 4.
• Air handler installations in a residential garage must be
installed as specified on page 4.
GENERAL INFORMATION
The unit has been tested and certified by AHRI for capacity
and efficiency 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.
√ The cooling load of the area to be conditioned must be
calculated and a system of the proper capacity selected.
It is recommended that the area to be conditioned be
completely insulated and vapor sealed.
√ 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 air delivery of the air handler is adequate to
handle the static pressure drop of the coil, filter, and
duct work.
Locating the Air Handler
• 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
5 (page 12).
• 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 air handler should be installed before routing the
refrigerant tubing.