Part 3 — execution – York MILLENNIUM 28971AR User Manual

Page 101

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YORK INTERNATIONAL

FORM 201.18-EG1

101

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

3.01

INSTALLATION

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.

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