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User Instructions UM1M820BNA
Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013
Spec No. 1M820DNA (Model M820D)
Chapter 3. Local Display Menus 81
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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.
3.2.1 Adjustment Range Restrictions
Float Voltage Setting
Cannot be adjusted higher than “EQ Voltage” setting.
Cannot be adjusted lower than 1V (24V systems) or 2V (48V systems) above “Under Voltage 1 Alarm”
setting or higher than 1V (24V systems) or 2V (48V systems) below “Over Voltage 1 Alarm” setting.
EQ Voltage Setting
Cannot be adjusted lower than “Float Voltage” setting.
HVDS Limit
Cannot be adjusted lower than 0.5V above the “EQ Voltage” setting.
Under Voltage 1 Alarm Setting
Cannot be adjusted lower than “Under Voltage 2 Alarm” setting.
Cannot be adjusted higher than “Over Voltage 1 Alarm” setting.
Under Voltage 2 Alarm Setting
Cannot be adjusted higher than “Under Voltage 1 Alarm” setting.
Over Voltage 1 Alarm Setting
Cannot be adjusted higher than “Over Voltage 2 Alarm” setting.
Cannot be adjusted lower than “Under Voltage 1 Alarm” setting.
Over Voltage 2 Alarm Setting
Cannot be adjusted lower than “Over Voltage 1 Alarm” setting.
LVD1 and LVD2 Disconnect Setting
Cannot be adjusted higher than “LVD Reconnect Voltage” setting.
LVD1 and LVD2 Reconnect Setting
Cannot be adjusted lower than “LVD Disconnect Voltage” setting.