Armstrong Air BCS2 Series Manual de instrucciones de instalación - Página 2
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These instructions are intended as a general guide only and do
not supersede any national or local codes in any way.
Compliance with all local, state, or national codes pertaining to
this type of equipment should be determined prior to installation.
Read this entire instruction manual, as well as the instructions
supplied in separate equipment, before starting the installation.
All models are designed for indoor installation only.
The installation of the air handler, field wiring, warm air ducts,
etc. must conform to the requirements of the National Electrical
Code, ANSI/NFPA No. 70 (latest edition) in the United States,
and any state laws, and local ordinances (including plumbing or
wastewater codes). Local authorities having jurisdiction should
be consulted before installation is made. Such applicable
regulations or requirements take precedence over the general
instructions in this manual.
Install the conditioned air plenum, ducts and air filters (not
provided) in accordance with NFPA 90B Standard for the
Installation of Warm Air Heating and Air-Conditioning Systems
(latest edition).
The air handler is provided with flanges for the connection of the
plenum and ducts.
Air filters must be listed as Class 2 furnace air filters.
The air handler can be used with R-22 or R410a from the factory.
The air handler is shipped from the factory completely
assembled. Some models are configured for upflow air discharge
only, and some models are configured for upflow or horizontal
left-hand air discharge. The air handler cabinet conforms to 2%
or less air leakage.
Do not remove the cabinet knockouts until it has been
determined which knockouts will need to be removed for the
installation.
Select the final installation position which best suits the site
conditions. Consider required clearances, space, and routing
requirements for refrigerant line, condensate disposal, filters,
ductwork, wiring, and accessibility for service. Refer to the air
handler rating plate on the air handler for specific information.
Tools and Parts
Gather the required tools and parts before starting installation.
Read and follow the instructions provided with any tools listed
here.
Tools Needed
•
¼" nut driver
Level
•
Screwdriver
•
INSTALLATION REQUIREMENTS
Adjustable wrench
•
Tape Measure
•
Hammer
•
Sealant
•
Parts Needed
Check local codes, check existing electrical supply, and read
"Ductwork Requirements," and "Electrical Requirements," before
purchasing parts.
•
UL listed wire nuts
•
Refrigerant metering orifice (if needed). See "Verify
Orifice Size." The correct orifice size may be contained
in the replacement orifice package located inside the
control box or the outdoor unit. If this package does not
contain the correct orifice for your air handler, you must
purchase the correct orifice size.
Outdoor System Requirements
The air handler is designed to match, and must be used with,
outdoor units as rated. The indoor sections are manufactured
with an interchangeable refrigerant metering orifice to provide
optimum refrigerant control and system performance with a
variety of different capacities or outdoor units.
In some cases, the rating of the outdoor unit may require that the
air handler refrigerant metering orifice be changed or replaced by
a thermal expansion valve to obtain rated performance.
Location Requirements
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Explosion Hazard
Keep flammable materials and vapors, such as
gasoline, away from air handler.
Place air handler so that heating elements are at
least 18 inches (46 cm) above the floor for a garage
installation.
Failure to follow these instructions can result in
death, explosion or fire.
NOTE: When used on cooling applications, excessive sweating
may occur when the air handler is installed in a very humid
space.
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