Mechanical Specifications - York LX Series Technical Manual

MECHANICAL SPECIFICATIONS

MANUFACTURE AND CERTIFICATIONS
• Units shall be manufactured in an ISO 9001 certified facility.
• Units shall be certified by CSA to UL 1995 / CSA 22.2 and
performance certified to ANSI/AHRI Standard 210/240.
• Units shall be sound tested according to ANSI/AHRI Stan-
dard 270.
• Certified matched system ratings will be available for down-
load from the AHRI online directory at www.ahridirectory.org
• Unit packaging shall be marked, "Assembled in the USA"
UNIT APPLICATION
• Units shall be approved for cooling operation between 55ºF
and 115°F without modification.
• Units shall be approved for linesets up to 80 feet equivalent
length without modification.
• Units shall be approved for installation within 6 inches of a
flat vertical wall without modification, according to the
instructions in the technical literature.
• Units shall be certified to the 5th Edition (2014) of the Florida
Building Code for a combined allowable lateral and uplift
wind force of 200 psf and 100 psf, respectively, for both
ground-mounted and rooftop-mounted applications up to 200
feet above grade with approved mounting kit.
• Units shall be designed to 77dBA or less to minimize sound
pollution.
UNIT ACCESS
• Units shall have a removable fan guard that can be removed
independently of the top for interior access through the top of
the unit without damaging the coil.
• Units shall have two removable stamped steel coil guards for
exterior coil access.
• Units shall have a separate compartment for electrical con-
trols that can be accessed without disturbing the unit airflow.
• Units shall have a blockoff panel that can be removed to pro-
vide interior unit access through the side of the unit.
• Units shall have a removable blockoff panel and a swing
away removable electrical panel that provides sufficient inte-
rior unit access for removing the compressor through the
side of the unit.
UNIT CONSTRUCTION
• Units shall be shipped completely wired, piped and assem-
bled. Wiring pigtails shall be provided for field control wiring
connections. Service valves shall be provided for field refrig-
erant line connections.
Johnson Controls Ducted Systems
• Units shall be factory leak checked, run tested, and shipped
with a holding charge of R-410A refrigerant.
• Unit cabinet components shall be G90 equivalent steel fin-
ished with powder-coat paint rated at a minimum of 500
hours under ASTM B117 testing.
• Unit base pan shall be stamped G90 equivalent steel fin-
ished with powder-coat paint rated at a minimum of 500
hours under ASTM B117 testing.
• Units shall have a single corner post opposite the electrical
control box and two independently removable steel coil
guard panels to optimize cabinet strength and serviceability.
• Units shall have L-shaped stamped sheet metal coil guards
with punched and extruded slots for maximum panel durabil-
ity and stiffness.
• Units shall have a factory installed filter-drier for faster instal-
lation and improved system reliability.
• Unit base valves shall be mounted diagonally on the unit
base pan with service ports that provide sufficient clearance
for low-loss hose fittings.
• Units shall be constructed with a high pressure switch for
system protection.
• Units shall be constructed with all badging and labels applied
at the factory.
UNIT COMPONENTS
• Compressor shall be hermetic with internal electrical over-
load protection and internal overpressure protection.
• Compressor shall be mounted on rubber vibration isolators
that do not require the removal of transportation clips or
brackets.
• Units shall be constructed with scroll compressors.
• Outdoor fan shall be direct drive with vertical air discharge
for low sound levels.
• Outdoor fan motor shall be totally enclosed with permanently
lubricated ball bearings motors approved for vertical shaft
applications.
• Outdoor coil shall be air cooled and constructed of zinc-
coated aluminum microchannel construction for small size
and low weight.
UNIT WARRANTIES
• Unit manufacturer shall provide a 10-Year compressor war-
ranty without a requirement for unit registration.
• Unit manufacturer shall provide a 5-Year parts warranty with-
out a requirement for unit registration.
5581709-YTG-C-0619
73