York 28971AR manual Part 3 Execution Installation

Models: 28971AR

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FORM 201.18-EG1

K.Thermal Storage: Leaving chilled liquid setpoint range for charge cycle from 25°F to 15°F (13.9°C to 8.3°C) minimum, automatic reset setpoint range of 40°F to 50°F (22.2°C to 27.8°C).

L.Low Temperature Process Brine: Leaving chilled liq- uid setpoint range 20°F to 50°F (11.1°C to 27.8°C) [optional range of 15°F to 20°F (8.3°C to 11.1°C)].

M.Building Automation System (EMS) Reset Interface: Chiller to accept 4 to 20mA, 0 to 10 VDC, or discrete contact closure input to reset the leaving chilled liq- uid temperature, or percent full load amps (current limit).

N.Remote Control Panel (Field Mounted): Auxiliary panel for remote user interface for functions normally made at the unit control center

O.Multi-Unit Sequence Control (Field Mounted): Sepa- rate Sequencing control center provided to permit control of up to eight chillers in parallel based on mixed liquid temperature.

P.Sound Reduction (Factory Mounted):

1.Low speed, reduced noise fans

2.Acoustical compressor enclosures

Q.Vibration Isolation (Field Mounted):

1.Neoprene Isolators.

2.1 Inch Deflection Spring Isolators: Level adjust- able, spring and cage type isolators for mounting under the unit base rails.

3.2 Inch Deflection Seismic Isolators: Level adjust- able, restrained mounts in rugged welded steel housing with vertical and horizontal limit stops. Housings shall be designed to withstand a mini- mum 1.0g accelerated force in all directions to 2" (50.8 mm).

PART 3 — EXECUTION

3.01INSTALLATION

A. General: Rig and Install in full accordance with Manufacturer’s requirements, Project drawings, and Contract documents.

B. Location: Locate chiller as indicated on drawings, including cleaning and service maintenance clear- ance per Manufacturer instructions. Adjust and level chiller on support structure.

C. Components: Installing Contractor shall provide and install all auxiliary devices and accessories for fully operational chiller.

D. Electrical: Coordinate electrical requirements and connections for all power feeds with Electrical Con- tractor (Division 16).

E. Controls: Coordinate all control requirements and connections with Controls Contractor.

F.Finish: Installing Contractor shall paint damaged and abraded factory finish with touch-up paint matching factory finish.

YORK INTERNATIONAL

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York 28971AR manual Part 3 Execution Installation