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Chiller Description
Chiller Scope
This manual provides relevant data to properly operate,
maintain, and troubleshoot the Trane Packaged TCAA
chiller. Operator and maintenance personnel must be a
qualified refrigeration technician and have a working
knowledge of high voltage systems, low voltage control
circuits, and components and functions.
Chiller Capacities
The Packaged TCAA chillers utilize flooded shell and tube
evaporators and condensers. They are available from 110
to 450 tons.
These chillers consist of an evaporator, condenser, twin-
turbine centrifugal compressor(s), compressor controller,
and interconnecting refrigerant piping. The chiller requires
connection to the chilled water circuits, as well as the main
electrical supply and control wiring.
The thermal capacity of these units is dependent on the
leaving temperature of the chilled fluid, maintaining a
minimum flow of fluid through the evaporator and keeping
debris out of the system. In applications where it is desired
to operate with a lower flow rate or higher temperature,
consult the factory for recommendations.
Water quality must be monitored and maintained by a
water treatment professional familiar with the materials of
construction and operation of the equipment. The
equipment comes fully charged with refrigerant. As
required under Federal regulations, installation, initial start-
up, and technical servicing should only be performed by
fully qualified personnel.
System Description
All packaged TCAA chillers are designed with a very small
approach to enhance the compressor performance
resulting in an outstanding IPLV rating. Chillers are
available in different configurations and with various
standard options including different compressor models to
customize these chillers to your specific applications.
Standard Features
•
ETL and AHRI Certified
•
10 kA SCCR Rating
•
One to four Danfoss Turbocor Variable Speed,
Magnetic Bearing, Oil-Free Centrifugal Compressor(s)
•
Unprecedented Part-Load Performance, High Energy
Efficiency, and Quiet Operation
•
5 percent Line Reactor per Compressor
•
Mounted Fused Isolation Switch per Compressor
•
Standard Single Point Power Connection
8
•
Isolation Valves Located Around All Serviceable
Components
•
Dual Manifold Pressure Relief Valve Located on
Evaporator and Compressor Discharge Line, per
Circuit
•
Danfoss Turbocor MCX Controller Complete with 10
inch Schneider HMI (Colored Monitor)
•
Including a Web Server Allowing Remote Internet
Monitoring, Remote Control, and Access to Operational
Logs and Software Updates
•
BACnet/LonWorks/ModBus Included Standard
•
ASME/CRN Certified Cleanable Flooded Shell and
Tube Condenser, with Standard 150psi Design
Pressure
•
Standard Flow Switch Located at Evaporator and
Condenser Hydronic Inlets
•
0.025-inch Enhanced Tube Wall Thickness
•
ECM Variable Speed Condenser Fans
•
Economizer for Improved Capacity and Efficiency
•
Air Cooled Condensers Rated for 100 percent Capacity
at 105° F Ambient
•
Coil Copper/Aluminum Microtubes
•
Standard Animal and Coil Guards
•
Bent Frame Powder-Coated Structure for Encasement
Components
•
An Electronic Expansion Valve per Circuit Providing
Precise PLC Controlled Refrigerant Flow
•
3/4 inch (19mm) Closed-Cell Insulation
•
First Year Parts, Labor, and Refrigerant Warranty
Chillers are leak and pressures tested at 200 psig at high
side, 150 psig at low side, then evacuated and charged.
Self-contained chillers are equipped with a single source
power source and integral hydronic piping.
Unit panels, structural elements and control enclosure are
constructed of galvanized steel base and painted with two
parts epoxy paint for weather protection.
Optional Features
•
300 PSI Waterbox Evaporator
•
Epoxy-Coated Evaporator
•
Coil Coating
•
Flanged Connection Evaporator
•
Fused/Non-Fused Disconnect Switch
•
Low Lift Refrigeration Pump
•
Low Ambient Operation to 0° F
•
Heat Trace Cable
•
Hot Gas Valves
ARTC-SVX013A-EN
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