SGNe Troubleshooting Guide Page 11
Revision 1.0; Davidson, May 2009. ©Ingersoll Rand Proprietary Information
SGNe
Troubleshooting Guide
Danger
Please utilize extreme caution when performing work within the compressor cabinet.
When opening the cabinet: be certain to wear appropriate PPE (Personal Protective Equipment),
follow lock out-tag out procedures, and ensure all safety procedures are followed
.
Remote Sensor
If this setting is set to On, the compressor will use the remote sensor for pressure
control, except for the immediate stop. The remote sensor is connected directly to the
VSD
and measures the pressure after the discharge of the package. The Intellisys
will read
the remote sensor pressure value from the drive and display it in the current
status
menu under remote pressure. The VSD will determine the speed directly from
the remote sensor. The local discharge pressure sensor (4APT) will still be used by
the
Intellisys for all alarms, warnings and immediate stop.
Sequencer
If this setting is set to On, the compressor will be able to receive commands from a
host device, such as an ISC. When the Intellisys receives a load command from the
host device, the compressor will start and ramp up to speed. When the Intellisys
receives an unload command, the Intellisys will respond as if it were executing an
immediate stop.
Remote Start/Stop
If this setting is set to Yes, the compressor will be able to be started and stopped
from a remote device.
Power Out Restart
If this setting is set to Yes, the compressor will automatically restart when power is
returned to the compressor if it was operating when power was removed.
Power Out Restart Time
If the power out restart setting is set to Yes, this is the number of seconds from the
time power is restored until the compressor starts.
Scheduled Start Day
This option is the selection for the day that a scheduled start will take place. The
selections are: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday,
Daily (Su – Sa), Week days (M – F), or Weekends.
This option set point will work with the scheduled start set point.
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