York YCAS0373SC, Installation Operation & Maintenance

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9 YORK INTERNATIONAL
FORM 201.19-NM5 (804)
INTRODUCTION
YORK YCAS chillers are manufactured to the high est
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 so lu tions
and is not suitable for purposes other than those spec i fi ed
in this manual.
This manual and the Microprocessor Operating
In struc tions contain all the information required for
correct in stal la tion 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 stal la tion, commissioning and maintenance tasks
must only be performed by suitably trained and
qualifi ed per son nel.
The manufacturer will not be liable for any injury or
dam age caused by incorrect installation, com mis sion ing,
op er a tion or maintenance resulting from a failure to
fol low the procedures and instructions detailed in the
manuals.
WARRANTY
York International warrants all equipment and ma te ri als
against defects in workmanship and materials for a
pe ri od of eighteen months from deliveryunless extended
warranty has been agreed upon as part of the contract.
The warranty is limited to parts only replacement and
ship ping 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 oc curred with in the warranty period, and that the
unit has been op er at ed within the designed parameters
specifi ed.
All warranty claims must specify the unit model, serial
number, order number. These de tails are print ed on the
unit identifi cation plate.
The unit warranty will be void if any modifi cation to the
unit is carried out without prior written approval from
York International.
For warranty purposes, the following conditions must
be satisfi ed:
• The initial start of the unit should be carried out
by trained personnel from an Authorized YORK
Ser vice Cen ter. See Commissioning, page 40.
• Only genuine YORK approved spare parts, oils
and re frig er ants must be used. Recommendations
on spare parts can be found on page 187.
• All the scheduled maintenance operations detailed
in this manual must be performed at the specifi ed
times by suitably trained and qualifi ed personnel.
See Main te nance Section, page 182.
• Failure to satisfy any of these conditions will
au to mat i cal ly void the warranty. See Warranty
Policy, page 190.
SAFETY
Standards for Safety
YCAS chillers are designed and built with in an ISO
9002 accredited design and manufacturing or ga ni za tion.
The chillers comply with the applicable sec tions of the
following Standards and Codes:
• ANSI/ASHRAE Standard 15, Safety Code for
Me chan i cal 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
Lab o ra to ries (U.L.) for construction of chillers and
provide U.L./cU.L. listing label.
GENERAL CHILLER INFORMATION & SAFETY
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