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33CG-PRC007-EN
Simple Interface with All Control
Systems
The IntelliPak controls afford simple
interface with Trane Tracer
™
systems,
providing broad control capabilities for
Building Automation systems.
For control systems other than Trane, two
generic building automation system
interfaces are available and offer
simplicity and flexibility in accessing unit
functions.
Safety Controls
A centralized microcomputer offers a
higher level of machine protection. Since
the safety controls are smarter, they limit
compressor operation to avoid
compressor or evaporator failures,
thereby minimizing nuisance shutdown.
For instance, the Unit Control Module
(UCM) will provide condenser low
Customized Control
With IntelliPak controls, Trane can
customize controls around the chiller
application and the specific components
used in the CGAF.
For instance, the compressor protection
system is specifically designed for the
Trane 3-D
™
Scroll compressor. A leaving
chilled solution temperature control
algorithm maintains accurate
temperature control, for both comfort
and process applications, minimizing the
drift from set point.
The IntelliPak controls incorporate
improved chiller start-up, load limiting,
compressor anti-recycle timing and lead/
lag functions into standard chiller
operation. Interface with outside systems
such as building automation controls is
flexible and easy.
pressure control by staging condenser
fans on or off in an effort to maintain
the saturated condensing temperature
within a fixed range. Overall, the safety
controls help keep the cooling system
on-line and operating safely.
Monitoring and Diagnostics
Since the microcomputer provides all
control functions, it can easily indicate
such parameters as leaving chilled
solution temperature and capacity
staging. If a failure does occur, the
diagnostic alarm will be displayed
giving specific information about the
failure. All of the monitoring and
diagnostic information can be easily
accessed at the Human Interface
display, standard on every unit.
Figure C-3 — Human Interface Display
Controls (20–60 Ton)