York R134A manual Guide Specifications, Part 1 General, Quality Assurance, Delivery and Handling

Guide Specifications

FORM 201.23-EG1 (1007)

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.

JOHNSON CONTROLS

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.

1.03DELIVERY 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

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