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York YEE36B21S - Mechanical Specifications; Unit Construction and Features

York YEE36B21S
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5855836-YTG-B-1121
Johnson Controls Ducted Systems 39
MECHANICAL SPECIFICATIONS
Manufacture and certifications
Units shall be manufactured in an ISO 9001 certified facility.
Units shall be certified by CSA to 4th Edition of 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 125ºF without modification.
Units shall be approved for heating operation between 0ºF
and 75ºF 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 both ground-mounted and rooftop-
mounted applications up to 200 feet above grade with
approved mounting kit.
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
open 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.
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 interior facing extrusions for superior panel stiffness and
durability from hail and other mechanical impacts.
Units shall have a factory installed stainless steel filter-drier
for faster installation 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 provide a service port mounted in the base pan
such that panels can be removed without moving the service
port.
Units shall be constructed with a high pressure switch and a
low 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.
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 enhanced
aluminum fins mechanically bonded to internally enhanced Ø
7mm copper tubing.
Unit Warranties
Unit manufacturer shall provide a limited 10-Year compres-
sor warranty without a requirement for unit registration.
Unit manufacturer shall provide a limited 5-Year parts war-
ranty extended to 10 years with registration.

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