KIMA00H1 (0204)
25
5. ELECTRICAL CONTROLS
5.1
Compressor
Operator
Panel with
GT Terminal
(Figure 24)
Pilot lights, viewable from a distance, are provided for quick look
indication of operating conditions. An audible alarm is provided for
alarm annunciation. Pushbuttons are provided for specific control
functions, allowing continued compressor operation in the event that
the GT Terminal is off-line.
The GT Terminal is a touchscreen LCD monitor, showing operating
conditions, pressures, and temperatures. Messages to direct the
operator for service, pre-alarms, and shutdowns will be shown when
necessary. Required settings for pressure control, temperature
alarms, and control time delays are viewable and may be modified
using the touchscreen. The GT Terminal will automatically ‘dim’ to a
sleep condition if inactive, and awakens on any touch contact.
5.1.1
GT Terminal
Page
Selection
(Figures
24-26)
Touch zones, or “keys” are used for page selection. Pressing the right
arrow [
Æ
] key will show the next page, as detailed under the arrow.
Pressing the left arrow [
Å
] key will show the previous page, as
detailed under the arrow.
Unmarked touch zones are present on the first four pages. Pressing
the upper right corner of the screen will show an Event History list.
Pressing the center of the screen will show a Utility page, which is a
menu of control selections, including the Lamp test key.
During normal operation, four pages are available for viewing of
compressor conditions:
a. When the graphic display is first energized page PG1 will be shown
(figure 22). This page shows the model number, serial number of the
compressor, and the operating program numbers.
)
NOTICE:
The serial number, model number, and current program
number must be provided when contacting the factory.
b. Page PG2 shows the operating temperatures of the compressor that
are monitored by the PLC. The temperatures may be displayed in
either °F or °C, selected by pressing the °F (°C) symbol.
c. Page PG3 shows the operating pressures of the compressor that
are monitored by the PLC. The pressures may be displayed in
either PSIG or Kg/cm2, selected by pressing the PSIG (Kg/cm2)
graphic block on the receiver picture.
d. Page PG4 shows elapsed times for compressor running hours and
for compressor loaded hours, and the load cycle count for service
scheduling.
Any of these pages may be assigned as the default page, which will
automatically show, after a delay, if no touch screen operations are
performed.
Detailed operating instructions are available in a separate document,
referenced by program version, i.e. “COP_HJ1B” is the operating
instructions for the Compressor Operator Panel / GT terminal using
program version HJ1B.
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