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Each unit operates identically to the automatic mode, with adjustments made only when other units (up to
8 total) are connected and operated in sequence mode. This provides a robust system, tolerant of any
interruption of any member, and tolerant of interruption in the communications cable. For more
information, refer to the sequencing instructions later in this chapter.
A "unit number" must be assigned to each unit in this mode, but the display will indicate the unit's actual
operating ranking.
PROGRAMMING AND SETUP FOR THE "AUTO SENTRY RS2000" CONTROLLER
Programming and setup is accomplished with the PROGRAM keys. See Figure 1-1 Keypad. In all steps,
the [ENTER] key enters the displayed value into memory and advances to the next programming
function. The plus [+] and minus [-] keys will increase and decrease displayed numeric values, or step
through menu selections. During numeric adjustments, the left [<] and right [>] arrow keys, move the
cursor (flashing digit) to the position desired. Use the [+] and [-] keys to change the number at the
cursor. At any point in the programming and setup routine, the [STOP/RESET] key can be pressed to
exit the adjustment mode without altering the adjustment. In all steps of the programming routine, the top
line of the display will give a description of the parameter to be programmed, while the bottom line shows
the variable that may be altered or stored.
The following is a step by step guide to programming the controller. Remember, between each step, it is
necessary to press the [ENTER] key to store the new value and advance to the next step.
Main Adjustments Menu
1. The compressor must be stopped prior to making any adjustments. If the unit is running, press the
[STOP/RESET] key to place the control in the "READY" state.
Adjustments can also be performed from the "SHUTDOWN" state. After adjustments are completed,
the "AUTO SENTRY RS2000" controller returns to this state until the cause is repaired and the
controller is manually reset.
2. Press the [ENTER] key to begin programming. This enters the adjustments menu. The adjustments
are broken into five groups as shown in Figure 3-1. To select a group, press [+] or [-] until the desired
group is shown on the bottom line of the display. Press [ENTER] to proceed to the group
adjustments detailed below.
Summary of Contents for AUTO SENTRY RS2000
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