Specifications

36 Cat 604-5
Engineering Guide Specifications
Engineering Guide Specifications
SECTION 15XXX: MAGNETIC BEARING
CENTRIFUGAL CHILLERS
PART 1 - GENERAL
1.1 SUMMARY
A Section includes design, performance criteria, refrigerants,
controls, and installation requirements for water-cooled
centrifugal chillers.
1.2 REFERENCES
A Comply with the following codes and standards:
• AHRI 550/590
• AHRI 575
•NEC
• ANSI/ASHRAE 15
• OSHA as adopted by the State
•ETL
• ASME Section VIII
1.3 SUBMITTALS
A Submittals shall include the following:
1 Dimensioned plan and elevation view, including required
clearances, and location of all field piping and electrical
connections.
2 Summaries of all auxiliary utility requirements such as:
electricity, water, air, etc. Summary shall indicate quality
and quantity of each required utility.
3 Diagram of control system indicating points for field
interface and field connection. Diagram shall fully depict
field and factory wiring.
4 Manufacturer's certified performance data at full load
plus IPLV or NPLV.
5 Installation and Operating Manuals.
1.4 QUALITY ASSURANCE
A Regulatory Requirements: Comply with the codes and
standards in Section 1.2.
B Chiller manufacturer plant shall be ISO Certified.
C The chiller shall be tested to job conditions on an AHRI
qualified test stand at the manufacturer's plant.
1.5 DELIVERY AND HANDLING
A Chillers shall be delivered to the job site completely
assembled and charged with refrigerant R-134a and be
shipped on skids with a weather resistant cover.
-- OR --
B Unit shall be bagged and mounted on skids for shipment.
A (Type I Knockdown, WME only) The compressor, suction
and discharge piping, VFD power panel and touchscreen
shall be removed and shipped separately. All wiring and
piping shall remain attached where possible. The remaining
loose parts shall be packaged in a separate crate. The unit is
to be run-tested at the factory and shipped with a helium
holding charge, evaporator insulated and a kit for
compressor insulation. Contractor shall leak test, evacuate
and charge with refrigerant after reassembly.
--OR--
A (Type II Knockdown, WME only) The compressor, VFD
power panel, wiring and interconnecting piping shall be
removed and shipped separately. The unit shall be run-
tested at the factory. The compressor and vessels shall ship
with a helium holding charge, the evaporator insulated and
a kit for compressor insulation included. Contractor shall
leak test, evacuate and charge with refrigerant after
reassembly.
--OR--
A (Type III Knockdown, WME only) The units shall be
shipped fully assembled, factory charged, run-tested,
insulated and painted; ready for disassembly at the job site.
The unit shall have vessel bolt-on connection brackets,
discharge line bolt-on flanges at the condenser, touch-up
paint and stick-on wire ties. Site disassembly and
reassembly must be factory supervised. Contractor shall
leak test, evacuate and charge with refrigerant after
reassembly.
--OR--
B Comply with the manufacturer's instructions for rigging
and transporting units. Leave protective covers in place
until installation.
1.6 WARRANTY
A The chiller manufacturer's warranty shall cover parts and
labor costs for the repair or replacement of defects in
material or workmanship [OPTION] including refrigerant
for the entire unit, for a period of one year from equipment
startup or 18 months from shipment, whichever occurs
first, [OPTION] and also include an additional extended
warranty for (one OR two OR three OR four) years on (the
entire unit) OR (on entire unit including refrigerant
coverage) OR (compressor and drive train only). Warranty
support shall be provided by company direct or factory
authorized service permanently located near the job site.
1.7 MAINTENANCE
A Maintenance of the chillers in accordance with
manufacturer’s recommendations as published in the
installation and maintenance manuals, shall be the
responsibility of the owner.
PART 2 - PRODUCTS
2.1 ACCEPTABLE MANUFACTURERS
A Basis of Design - Daikin Magnitude Model
WME, including the standard product features and all
special features required per the plans and specifications.