Concoa 537 Series Panduan Petunjuk Pemasangan dan Pengoperasian - Halaman 5
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side to decrease by allowing a small flow (50 CFH/24 LPM). Observe both inlet gauges. When the right bank is low
(below the set point on the gauge), the red LED will illuminate. Make sure the LED illuminates before the pressure
on the opposite side starts to decrease. Check the opposite side of the system in the same manner.
Adjusting the alarm set point, does not affect the switchover point of the autoswitch. The alarm is used to provide
a visual warning that a changeover is about to occur. If the nearly depleted cylinders are changed when the alarm
LED's illuminate, the cylinders will not be as empty as if the actual changeover had occurred.
Electrical Connection
Behind Drain
Inlet Gauge: Red Tab
Indicates Alarm
Setpoint (Typical Both
Sides)
529 5298 or 529 5300 remote alarm
The 529 5298 and 529 5300 remote alarm is the centerpiece of the autoswitch monitoring system. The remote
alarm is configured at the factory for 120 VAC or 240 VAC power. The remote alarm can supply power for up to
four autoswitch systems and three secondary remote alarms. The remote alarm unit may communicate the alarm
on/alarm off status to a computer via a RS232 connection. The remote alarm may be connected to 539 5306
telephone dialer that will play customer programmed messages to customer programmed telephone numbers.
Figure 2. Autoswitch Box
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