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13-8-623 Page 8
Operation Adjustments
1. In the top line, "LANGUAGE" is indicated. The bottom line will indicate "ENGLISH" or an alternate
language for display messages. Select the desired display language and press [ENTER] to proceed.
If a controller is set for another language, press the [STOP/RESET] key, press [ENTER] twice, and
press the [+] or [-] key to select ENGLISH at this step. Then press [ENTER] to select the language.
2. In the top line, "DISPLAY UNITS" is indicated. The bottom line will indicate "ENGLISH" (PSIG,
Fahrenheit) or "METRIC" (Bars, Celsius) units of measurement. Select the desired display units and
press [ENTER] to proceed.
3. The top line displays "OPERATING MODE". The bottom line indicates the selected mode. Refer to
the description of modes at the beginning of this chapter. Select the desired mode, using the [+] or [-]
keys. When the desired mode is shown, press the [ENTER] key to save and proceed.
4. In the top line, "START TIMER" is displayed. The bottom line will indicate a time between 2 and 10
seconds. This is the time that the controller spends in the unloaded 'start' mode. This also controls
the operation of package-mounted wye-delta starters, if so equipped. Set this adjustment for the
amount of time needed for the motor to reach its highest speed while starting. This is typically 3
seconds for full-voltage starters, 7-9 seconds for wye-delta starters.
If a remote-mounted, reduced voltage starter is used, set this adjustment 1-2 seconds longer than the
starter's internal timer.
5. "UNLOAD PRESSURE" is displayed and adjusted next. The bottom line will indicate a pressure
value. It is to be set at the nameplate rating of the compressor for normal operation. Under NO
circumstances, is this adjustment to be set in excess of the compressor nameplate pressure. It may
be set lower, if desired, to reduce pressure and power consumption.
6. In the top line, "LOAD PRESSURE" is displayed. The bottom line will indicate a pressure value. This
setting determines the point at which machine startup occurs in AUTO and SEQUENCE modes and
when the compressor will load up from the blown down condition. Note that LOAD PRESSURE can
be set up to 5 PSI below UNLOAD PRESSURE. Set this lower to reduce compressor cycling. All
sequenced machines must have the same programmed UNLOAD and LOAD PRESSURE setpoints.
7. In the top line, "BLOWDOWN TIME" is displayed. The bottom line will indicate a time between 1 and
20 minutes. It is factory set at 10 minutes. This is the minimum time interval between blowdowns. A
longer blowdown time minimizes wasteful dumping of compressed air when loading is likely to occur
in a short time.
8. In the top line, "AUTO TIME" is displayed. The bottom line will indicate a time between 1 and 20
minutes. It too, is factory set at 10 minutes. Its function is to prevent too frequent motor starting, and
to allow the motor a 'cool-down' period before stopping.
9. In the top line, "REMOTE HALT" is displayed. The bottom line indicates either "TIMED" or
"IMMEDIATE". Refer to the description of "Remote On / Off" later in this section for additional details.
Select the desired response to the remote input and press [ENTER] to proceed.
10. This completes the operational adjustments. The controller will return to the main adjustments menu.
Содержание AUTO SENTRY RS2000
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