Mechanical Specifications - York TCHE24 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 50ºF
and 120ºF without modification.
• Units shall be approved for linesets up to 200 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 for seismic applications in accordance
with CBC 2007 and IBC 2006.
• Units shall be designed to 72dBA or less to minimize sound
pollution.
UNIT ACCESS
• Units shall have a fan guard that can be removed inde-
pendently of the cabinet for access to the condenser coil.
• Units shall have blow-through airflow for the condensing coil.
• Units shall have a separate compartment for electrical con-
trols that can be accessed without disturbing the unit airflow.
Johnson Controls Unitary Products
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.
• Unit cabinet components shall be G90 equivalent steel fin-
ished with powder-coat paint rated at a minimum of 1,000
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 1,000
hours under ASTM B117 testing.
• Units shall have a factory installed spun copper filter-drier for
faster installation and improved system reliability.
• Units shall be constructed with a high pressure switch and a
low pressure switch for system protection.
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.
• Condenser fan shall be direct drive with horizontal air dis-
charge.
• Condenser fan shall be direct drive with swept-wing blades
for low sound levels.
• Condenser 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.
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