York YCRS Series Installation, Operation And Maintenance Manual Download

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YORK INTERNATIONAL

FORM 201.25-NM1 (302)

INTRODUCTION

YORK YCRS

chillers are manufactured to the highest

design and construction standards to ensure high per-
formance, 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 contains all the information required for
correct installation and commissioning of the unit, to-
gether with operating and maintenance instructions.
This manual should be read thoroughly before attempt-
ing 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
personnel.

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 29.

• Only genuine YORK approved spare parts, oils and

refrigerants must be used.

• 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 76.

• Failure to satisfy any of these conditions will auto-

matically void the warranty.

SAFETY

Standards for Safety

YCRS chillers are designed and built within an ISO
9002 accredited design and manufacturing organiza-
tion. The chillers comply with the applicable sections
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