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2. The top line displays "NEXT OIL CHANGE" and the estimated hours remaining are displayed on the
bottom line. The actual time will be affected by operating conditions which affect oil life. Press the [+]
or [-] keys to switch to the oil change interval (see UNIT SETUP) if service was performed early.
Press again to change back to remaining time. When the desired value is shown, press [ENTER] to
save and proceed to the next step.
If the advisory message is on, it must be cleared as noted in step 1.
3. The top line displays "NEXT OIL FILTER" and the hours remaining are displayed on the bottom line.
Press the [+] or [-] keys to switch to the oil filter interval (see UNIT SETUP) if service was performed
early. Press again to change back to remaining time. When the desired value is shown, press
[ENTER] to save and proceed.
If the advisory message is on, it must be cleared as noted in step 1.
4. This completes the maintenance adjustments. The controller will return to the main adjustments
menu.
Communications Adjustments
Adjustment is needed only if required for serial data communications systems, and does not affect
operation.
1. In the top line, "UNIT NUMBER" is displayed. The bottom line will indicate a number of one through
eight and be factory set at "1". Enter a different number for each controller in a multiple compressor
system.
2. The controller displays "BAUD RATE" on the top line, and a selection of "1200" or "9600" on the
lower line. 1200 baud is recommended for most applications. The 9600 baud rate may be used for
higher data transfer rates. All units in a multiple compressor system must be set the same. Select
the desired value, and press [ENTER].
3. This completes the communications adjustments. The controller will return to the main adjustments
menu.
Configuration Adjustments
1. In the top line, "HI SYS PRES LIM" is displayed. The bottom line will indicate a value that is factory
set 20 - 25 PSI above name plate. This is the pressure that will cause a shutdown if exceeded due to
a malfunction such as a stuck inlet valve or broken control line. This should be set at or slightly below
the rating of the pressure relief valve. The controller will attempt a number of actions as it
approaches to prevent the pressure from reaching this limit.
NOTICE
The controller will automatically adjust the set and reset pressures as required
if this limit is lowered.
2. In the top line, "REMOVE SYS PRESS" is displayed. The bottom line displays the current pressure
being sensed at the package discharge. At this point, steps must be taken to ensure that system
pressure is, in fact, zero psig. Remove the pressure line to the system pressure transducer.
Pressing [ENTER] will now cause the controller to calibrate the transducer output to zero PSIG.
Summary of Contents for AUTO SENTRY RS2000
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