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UM1M820BNA User Instructions
Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B)
Spec No. 1M820DNA (Model M820D)
102 Chapter 3. Local Display Menus
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
HTD1: Enables or disables the High Temperature 1 Disconnect feature. This feature
causes LVD1 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
HTD2: Enables or disables the High Temperature 2 Disconnect feature. This feature
causes LVD2 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
LVD Type: Select the type of LVD Contactor. This setting should not be changed.
SMDU 1 LVD Menu
Menu Navigation: Main Menu / Settings / LVD / SMDU 1 LVD
Note: For WEB Interface; menu items are found under Device Information / LVD Group / SMDU 1
LVD / Settings Tab.
"SMDU 1 LVD" Parameter Settings:
LVD 1: Enables or disables LVD1.
LVD 1 Mode: Sets LVD1 to disconnect on a voltage or time setpoint.
LVD 1 Voltage: LVD1 low voltage disconnect setting (when LVD set for voltage).
LVD1 Recon Volt: LVD1 reconnect setting (when LVD set for voltage).
LVD1 ReconDelay: Delay time period until LVD1 reconnects once voltage recovers
(when LVD set for voltage).
LVD 1 Time: The time period before LVD1 disconnection once an AC fail condition
occurs (when LVD set for time).
LVD1 Dependency: Select if LVD1 can disconnect only if LVD2 has disconnected, or
none.
LVD 2: Enables or disables LVD2.
LVD 2 Mode: Sets LVD2 to disconnect on a voltage or time setpoint.
LVD 2 Voltage: LVD2 low voltage disconnect setting (when LVD set for voltage).
LVD2 Recon Volt: LVD2 reconnect setting (when LVD set for voltage).
LVD2 ReconDelay: Delay time period until LVD2 reconnects once voltage recovers
(when LVD set for voltage).
LVD 2 Time: The time period before LVD2 disconnection once an AC fail condition
occurs (when LVD set for time).
LVD2 Dependency: Select if LVD2 can disconnect only if LVD1 has disconnected, or
none.
HTD 1: Enables or disables the High Temperature 1 Disconnect feature. This feature
causes LVD1 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
HTD 2: Enables or disables the High Temperature 2 Disconnect feature. This feature
causes LVD2 contactors to open (disconnect) if a high temperature event occurs. (See
HTD selections in the "LVD Group" Parameter Settings.)
AC
Rect AC Menu
Menu Navigation: Main Menu / Settings / AC / Rect AC
Note: For WEB Interface; menu items are found under Device Information / AC Group / Rect AC /
Settings Tab.