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Start-up and Shutdown
has a binary input to select chilled water control or hot
water temperature control. There is no additional leaving
hot water temperature cutout; the HPC and condenser limit
provide for high temperature and pressure protection.
In Hot Water Temperature Control, the softloading pulldown
rate limit operates as a softloading pullup rate limit. The
setpoint for setting the temperature rate limit is the same
setpoint for normal cooling as it is for hot water temperature
control.
The factory set PID tuning values for the leaving water
temperature control are the same settings for both normal
cooling and hot water temperature control.
Control Panel Devices and Unit-
Mounted Devices
Unit Control Panel
Safety and operating controls are housed in the unit control
panel, the starter panel, and the purge control panel. The
control panel operator interface is called Tracer
AdaptiView™ and is located on an adjustable arm
connected to the base of the control panel. For more
information about operating Tracer
®
Tracer
AdaptiView™ Display for Water-cooled
CenTraVac™ Chillers with Symbio™ Operations Guide
(CTV-SVU004*-EN). For more information on the
Symbio™ 800 controller, refer to Symbio™ 800 Controller
Installation, Operation, and Maintenance (BAS-SVX080*-
EN).
The control panel houses several other controls modules
called panel-mounted Low Level Intelligent Devices
(LLIDs), power supply, terminal block, fuse, circuit
breakers, and transformer. The inter-processor
communication (IPC) bus allows the communications
between LLIDs and the controller. Unit-mounted devices
are called frame-mounted LLIDs and can be temperature
sensors or pressure transducers. These and other
functional switches provide analog and binary inputs to the
control system.
User-defined Language Support
®
Tracer
AdaptiView™ is capable of displaying English text
or any of 26 other languages (27 total languages).
Switching languages is simply accomplished from a
Language Settings menu. The following languages are
available:
•
Arabic (Gulf Regions)
•
Chinese—China
•
Chinese—Taiwan
•
Czech
•
Dutch
•
English
•
French
•
French (Canada)
92
®
®
AdaptiView™, refer to
•
German
•
Greek
•
Hebrew
•
Hungarian
•
Indonesian
•
Italian
•
Japanese
•
Korean
•
Norwegian
•
Polish
•
Portuguese (Portugal)
•
Portuguese (Brazil)
•
Russian
•
Romanian
•
Spanish (Europe)
•
Spanish (Latin America)
•
Swedish
•
Thai
•
Turkish
Unit Start-up and Shutdown
Procedures
WARNING
Live Electrical Components!
Failure to follow all electrical safety precautions when
exposed to live electrical components could result in
death or serious injury.
When it is necessary to work with live electrical
components, have a qualified licensed electrician or
other individual who has been properly trained in
handling live electrical components perform these
tasks.
CDHH-SVX003C-EN
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