AAON LZ Series, Installation Operation & Maintenance

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General Information
AAON LZ Series chiller outdoor mechanical
rooms are complete self-contained liquid
chilling units. They are assembled, wired,
charged, and run-tested. Models are available
for air-cooled and evaporative-condensed
applications. Chiller primary pumping
packages,
primary/secondary pumping
packages, and boilers with pumping package
are available as optional features.
Codes and Ordinances
LZ Series units have been tested and
certified, by TL, in accordance with UL
Safety Standard 1995/CSA C22.2 No. 236.
System should be sized in accordance with
the
American Society of Heating,
Refrigeration and Air Conditioning
Engineers Handbook.
Installation of LZ Series units must conform
to the ICC standards of the International
Mechanical Code, the International Building
Code, and local building, plumbing and
waste water codes. All appliances must be
electrically grounded in accordance with
local codes, or in the absence of local codes,
the
current National Electric Code,
ANSI/NFPA 70 or the current Canadian
Electrical Code CSA C22.1.
Receiving Unit
When received, the unit should be checked
for damage that might have occurred in
transit. If damage is found it should be noted
on the carrier’s Freight Bill. A request for
inspection by carrier’s agent should be made
in writing at once. Nameplate should be
checked to ensure the correct model sizes and
voltages have been received to match the job
requirements.
Improper installation, adjustment,
alteration, service or maintenance can
cause property damage, personal
injury or loss of life. Startup and
service must be performed by a
Factory Trained Service Technician.
WARNING
RISK OF ELECTRICAL SHOCK
Electrical raceways are located in the
upper wall sections of the unit. DO
NOT CUT OR DRILL into the wall
sections of the unit that are within 12
inches of the roofline.
WARNING
The Clean Air Act of 1990 bans the
intentional venting of refrigerant as of
July 1, 1992. Approved methods of
recovery, recycling, or reclaiming
must be followed.
CAUTION
Coils and sheet metal surfaces
present sharp edges and care must
be
taken when working with
equipment.
WARNING
Failure to observe the following
instructions will result in premature
failure of your system and possible
voiding of the warranty.
WARNING