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Tracer Summit™ Controls —
Interface with the Trane
Integrated Comfort System (ICS)
Trane Chiller Plant Manager with ICS
The Tracer Chiller Plant Manager
building management system provides
building automation and energy
management functions through stand-
alone control. The Chiller Plant Manager
is capable of monitoring and controlling
your entire chiller plant system.
Application software available:
• Time-of-day scheduling
• Duty cycle
• Demand limiting
• Chiller sequencing
• Process control language
• Boolean processing
• Zone control
• Reports and logs
• Custom messages
• Run time and maintenance
• Trend log
• PID control loops
And of course, the Trane Chiller Plant
Manager panel can be used on a stand-
alone basis or tied into a complete
building automation system.
When the air-cooled Series R
™
chiller is
used in conjunction with a Trane Tracer
™
system, the unit can be monitored and
controlled from a remote location. The
air-cooled Series R chiller can be
controlled to fit into the overall building
automation strategy by using time-of-
day scheduling, timed override, duty
cycling, demand limiting, and chiller
sequencing. A building owner can
completely monitor the air-cooled Series
R chiller from the Tracer system, since all
of the monitoring information indicated
on the microcomputer can be read on
the Tracer system display. In addition, all
the powerful diagnostic information can
be read back at the Tracer system. Best
of all, this powerful capability comes
over a single twisted pair of wires! Air-
cooled Series R chillers can interface
with many different external control
systems, from simple stand-alone units
to ice-making systems. Each unit
requires a single-source, three-phase
power supply and a 115-volt power
supply. The 115-volt supply handles the
freeze protection for the evaporator
heaters.
A single twisted pair of wires tied
directly between the air-cooled Series R
™
chiller and a Tracer
™
system provides
control, monitoring, and diagnostic
capabilities. Control functions include
auto/stop, adjustment of leaving-water-
temperature set point, compressor
operation lockout for kW demand
limiting, and control of ice-making
mode. The Tracer system reads
monitoring information such as
entering- and leaving-evaporator-water
temperatures and outdoor air
temperature. Over 60 individual
diagnostic codes can be read by the
Tracer system. In addition, the Tracer
system can provide sequencing control
for two to six units on the same chilled-
water loop. Pump sequencing control
can be provided from the Tracer system.
Tracer ICS is not available in conjunction
with the remote display or the external
set point capability.
Required Options
1
Tracer Comm 3 Interface
Additional Options that May Be Used
Ice-Making Control
External Trane Devices Required
Tracer Summit
™
, Tracer 100 System or
Tracer Chiller Plant Manager
Ice-Making Systems Controls
An ice-making option may be ordered
with the air-cooled Series R
™
chiller. The
unit will have two operating modes, ice
making and normal daytime cooling. In
the ice-making mode, the air-cooled
Series R chiller will operate at full
compressor capacity until the return
chilled-fluid temperature entering the
evaporator meets the ice-making set
point. This ice-making set point is
manually adjusted on the unit’s
microcomputer. Two input signals are
required to the air-cooled Series R chiller
for the ice-making option. The first is an
auto/stop signal for scheduling, and the
second is required to switch the unit
between the ice-making mode and
normal daytime operation. The signals are
provided by a remote job site building-
automation device such as a time clock or
a manual switch. In addition, the signals
may be provided over the twisted wire
pair from a Tracer
™
system.
Required Options
External Auto/Stop (Standard)
Ice-Making Control
Additional Options That May Be Used
Failure Indication Contacts
Communications Interface (For Tracer
Systems)
Chilled-Water Temperature Reset
External Trane Devices Required-None
Note: All wiring outside the unit is
supplied at the job site.
Generic Building Automation
System Controls
37
RLC-PRC005-E4