AHRI LX SERIES, Technical Manual

5271022-BTG-A-0916

Johnson Controls Unitary Products

39

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 125ºF 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.

• Units shall be designed to 76dBA 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.

• 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 indepedently removeable steel coil
guard panels to optimize cabinet strength and serviceability.

• Units shall have L-shaped stamped sheet metal coil guards

with extruded slots for maximum panel durability and stiff-
ness.

• Units shall have a factory installed copper spun 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 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.

• Units shall be constructed of rotary or scroll compressors

paired with an inverter drive.

• Condenser fan shall be direct drive with vertical air discharge

for low sound levels.

• Condenser fan motor shall be totally enclosed with perma-

nently lubricated ball bearings motors approved for vertical
shaft applications.

• Condenser 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 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.