Guide specifications – York UL R134A User Manual

Page 133

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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

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