5.17.3 Shutdown
The system can be shutdown in four ways through the disconnect box: local EMO; remote
EMO; photohelic gauge in warning state, or; brownout condition over 3 seconds. The
following sections describe each of the shutdown methods.
5.17.4 Local EMO
Press the EMO push button on the control panel to shut the system down. It will be
necessary to reset the push button by twisting until it releases, prior to system restart. The
system power can be enabled by pressing the DRY PUMP POWER ON/RESET push button
on the disconnect box control panel.
5.17.5 Remote EMO
The system can be shutdown by a remote EMO signal generated from the pump through the
6-way XLR connector. The system power can be enabled by pressing the DRY PUMP
POWER ON/RESET push button on the disconnect box control panel.
5.17.6 Photohelic gauge
The system can be shut down if the photohelic gauge registers a warning condition. The
system power can be enabled by pressing the DRY PUMP POWER ON/RESET push button
on the disconnect box control panel.
5.17.7 Brownout
The system can be shut down if a brownout occurs for greater than 3 seconds. For brownouts
of less then 3 seconds, the system will continue running normally (time delay relay TDR1).
The system power can be enabled by pressing the DRY PUMP POWER ON/RESET push
button on the disconnect box control panel.
5-16 iH Dry Pumping System
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