York YCIV0177S/P - Part 3 - Execution

JOHNSON CONTROLS
FORM 201.23-EG1 (1013)
113
unit panels. Heavy gauge, welded wire-mesh,
coated to resist corrosion, around base of ma-
chine to restrict unauthorized access.
E. Evaporator options:
1. Provide 1-1/2” (38mm) cooler insulation in lieu
of standard 3/4” (19mm).
2. Provide Raised Face Flanges for cooler nozzles:
a. 150 psig (10.3 barg), welded anges (eld kit,
matching pipe ange by contractor).
b. 150 psig (10.3 barg) companion anges. (not
available with 460V units)
c. 150 psig (10.3 barg), ANSI/AWWA C-606
couplings (eld kit, matching pipe ange by
contractor).
F. Flow Switch (Field Mounted): Vapor proof SPDT,
NEMA 3R switch [ ___150 psig (10.3 barg) or ___300
psig (20.7 barg)], -20°F to 250°F (-28.9°C to 121.1°C).
G. Building Automation System Interface:
1. Chiller to accept 4 to 20mA or 0 to 10 VDC input
to reset the leaving chilled liquid temperature.
(Factory Mounted)
H. 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.
I. Vibration Isolation (Field Mounted):
1. Elastomeric Isolators.
2. 1 Inch Deection Spring Isolators: Level adjust-
able, spring and cage type isolators for mounting
under the unit base rails.
3. 2" Deection 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).
J. Service Shut-Off Valve: Provide suction service shut-off
valve for each compressor. (Factory Mounted)
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, in-
cluding cleaning and service maintenance clearance
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 con-
nections for all power feeds with Electrical Contractor
(Division 16).
E. Controls: Coordinate all control requirements and
connections with Controls Contractor.
F. Finish: Installing Contractor shall paint damaged and
abraded factory nish with touch-up paint matching
factory nish.