York Latitude YCIV0157E, Руководство пользователя

Страница: 133 / 140

JOHNSON CONTROLS
FORM 201.23-EG1 (1007)
133
Guide Specifications
PART 1 — GENERAL
1.01 SCOPE
A. The requirements of the General Conditions, Supple -
mentary Conditions, and Drawings apply to all work
herein.
B. Provide Microprocessor controlled, twin-screw com -
pressor, air-cooled, liquid chillers of the scheduled
capacities as shown and indicated on the Drawings,
including but not limited to:
1. Chiller package
2. Charge of refrigerant and oil.
3. Electrical power and control connections
4. Chilled water connections
5. Factory start-up
1.02 QUALITY ASSURANCE
A. Products shall be Designed, Tested, Rated and Certi -
fied IAW, and installed in compliance with applicable
sections of the following Standards and Codes:
1. ARI 550/590 – Water Chilling Packages Using
the Vapor Compression Cycle
2. ARI 70 – Sound Rating of Large Outdoor Refrig -
erating and Air Conditioning Equipment
3. ANSI/ASHRAE Standard 15 – Safety Code for
Mechanical Refrigeration
4. ASHRAE 34 – Number Designation and Safety
Classification of Refrigerants
5. ASHRAE 90.1 – Energy Standard for Buildings
Except Low-Rise Residential Buildings
6. ANSI/NFPA Standard 70 – National Electrical
Code (N.E.C).
7. ASME Boiler and Pressure Vessel Code, Section
VIII, Division 1.
8. ASTM A48 – Gray Iron Castings
9. OSHA – Occupational Safety and Health Act
10.Manufactured in facility registered to ISO
9001
11. Conform to Underwriters Laboratories (U.L.) for
construction of chillers and provide U.L./cU.L.
listing label.
B. Factory Test: Chiller shall be pressure-tested, evacu -
ated and fully charged with refrigerant and oil, and shall
be factory operational run tested with water flowing
through the vessel.
C. Chiller manufacturer shall have a factory trained and
supported service organization.
D. Warranty: Manufacturer shall Warrant all equipment
and material of its manufacture against defects in
workmanship and material for a period of eighteen
(18) months from date of initial start-up or date of
availability.
1.03 DELIVERY AND HANDLING
A. Unit shall be delivered to job site fully assembled and
charged with refrigerant and oil by the Manufacturer.
B. During shipment, provide protective covering over
vulnerable components. Fit nozzles and open ends
with plastic enclosures.
C. Unit shall be stored and handled per Manufacturer’s
instructions.
PART 2 — PRODUCTS
2.01 GENERAL
A. Manufacturers: The design shown on the drawings is
based on Johnson Controls. Alternate equipment will
be acceptable if their equipment meets the scheduled
performance and complies with these specifications.
If equipment manufactured by a manufacturer other
than that scheduled is utilized, then the Mechanical
Contractor shall be responsible for coordinating with
the General Contractor and all affected Subcontrac -
tors to insure proper provisions for installation of the
furnished unit. This coordination shall include, but not
be limited to, the following:
1. Structural supports for units.
2. Piping size and connection/header locations.
3. Electrical power requirements and wire/conduit
and overcurrent protection sizes.
4. Chiller physical size on plant layout.
5. Site noise considerations.
The Mechanical Contractor shall be responsible for all
costs incurred by the General Contractor, Subcontrac -
tors, and Consultants to modify the building provisions to
accept the furnished units.
B. Description: Install and commission, as shown on the
schedules and plans, factory assembled, charged,
and operational tested air cooled screw compressor
chiller(s) as specified herein. Chiller shall include,
but is not limited to: a complete system with multiple
independent refrigerant circuits, semihermetic twin
screw compressors, shell and tube type evaporator,
air-cooled condenser, R134a refrigerant, lubrication