Mechanical Specifications - York LX Series Technical Manual

5752574-UTG-C-1020

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 shall 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 125ºF without modification.
• Units shall be approved for linesets up to 80 ft equivalent
length without modification.
• Units shall be approved for installation within 6 in. of a flat
vertical wall without modification, according to the instruc-
tions in the technical literature.
• Units shall be certified to the 5th Edition (2014) of the Florida
Building Code for both Ground Mounted and Rooftop
Mounted applications up to 200 ft above grade with approved
mounting kit.
• Units shall be designed to 76 dBA 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.
• Units shall be factory leak checked, run tested, and shipped
with a holding charge of R-410A refrigerant.
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• Unit cabinet components shall be G90 equivalent steel, fin-
ished with powder-coat paint rated at a minimum of 500 h
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 h
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 extruded louvers for maximum panel durability and sys-
tem protection.
• 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 neoprene vibration isola-
tors that do not require the removal of transportation clips or
brackets.
• Units shall be constructed with internally sprung reciprocat-
ing compressors for low vibration. Applies to select models.
• 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 have zinc-coated alumi-
num microchannel construction for small size and low
weight.
UNIT WARRANTIES
• Unit manufacturer shall provide a 5-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.
• Unit manufacturer shall provide a limited 5-year parts war-
ranty extended to 10 years with registration.
Johnson Controls Ducted Systems