6
YORK INTERNATIONAL
INTRODUCTION
YORK YCAS Millennium chillers are manufactured
to the highest design and construction standards to en-
sure high performance, reliability and adaptability to
all types of air conditioning installations.
The unit is intended for cooling water or glycol solu-
tions and is not suitable for purposes other than those
specified in this manual.
This manual and the Microprocessor Operating Instruc-
tions contain all the information required for correct
installation and commissioning of the unit, together with
operating and maintenance instructions. The manuals
should be read thoroughly before attempting to operate
or service the unit.
All procedures detailed in the manuals, including in-
stallation, commissioning and maintenance tasks must
only be performed by suitably trained and qualified per-
sonnel.
The manufacturer will not be liable for any injury or
damage caused by incorrect installation, commission-
ing, operation or maintenance resulting from a failure
to follow the procedures and instructions detailed in
the manuals.
WARRANTY
York International warrants all equipment and materi-
als against defects in workmanship and materials for a
period of one year from initial start-up, or eighteen
months from delivery (whichever occurs first) unless
extended warranty has been agreed upon as part of the
contract.
The warranty is limited to parts only, replacement and
shipping of any faulty part, or sub-assembly which has
failed due to poor quality or manufacturing errors. All
claims must be supported by evidence that the failure
has occurred within the warranty period, and that the
unit has been operated within the designed parameters
specified.
All warranty claims must specify the unit model, serial
number, order number and run hours/starts. These de-
tails are printed on the unit identification plate.
The unit warranty will be void if any modification to
the unit is carried out without prior written approval
from York International.
For warranty purposes, the following conditions must
be satisfied:
• The initial start of the unit must be carried out by
trained personnel from an Authorized YORK Ser-
vice Center. See Commissioning, page 41.
• Only genuine YORK approved spare parts, oils and
refrigerants must be used. Recommendations on
spare parts can be found on page 182.
• All the scheduled maintenance operations detailed
in this manual must be performed at the specified
times by suitably trained and qualified personnel.
See Maintenance Section, page 178.
• Failure to satisfy any of these conditions will auto-
matically void the warranty. See Warranty Policy,
page 186.
SAFETY
Standards for Safety
YCAS Millennium chillers are designed and built within
an ISO 9002 accredited design and manufacturing or-
ganization. The chillers comply with the applicable sec-
tions of the following Standards and Codes:
• ANSI/ASHRAE Standard 15, Safety Code for Me-
chanical Refrigeration
• ANSI/NFPA Standard 70, National Electrical Code
(N.E.C.)
• ASME Boiler and Pressure Vessel Code, Section
VIII Division 1
• ARI Standard 550/590-98, Centrifugal and Rotary
Screw Water Chilling Packages
In addition, the chillers conform to Underwriters Labo-
ratories (U.L.) for construction of chillers and provide
U.L./cU.L. listing label.
GENERAL CHILLER INFORMATION & SAFETY
General Chiller Information & Safety
Содержание Millennium YCAS 0693
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