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P.O. Box 1306
Newport Beach
California 92663
Unity Low Voltage
Disconnect & Monitor
Installation/Operation Manual
Model: ULM-100
www.newmartelecom.com
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M-ULM100
030315
Phone: 714-751-0488
Fax: 714-957-1621
E-Mail: techservice@newmarpower.com
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Summary of Contents for NewMar ULM-100
- Page 1 Unity Low Voltage Disconnect & Monitor Installation/Operation Manual Model: ULM-100 Table of Contents Page Table of Contents Page 1.0 Overview 5.14 LVD Level Mapping 2.0 Materials Provided 5.2 Meter 3.0 Mounting 5.21 Voltage Monitoring 3.1 Rack Ears 5.23 Backlighting Adjustment 4.0 Wiring...
- Page 2 4.1 Rectifier Input: Three sets of landings for ¼” ring lug terminals are provided for rectifier Hot and RTN input connections. Maximum total rectifier current is 100 Amps. See section 6.0 for more information on connecting Newmar rectifiers. 4.2 Battery input: One pair of landings for ” ring lug terminals are provided for connecting the battery. The ULM-100 ¼...
- Page 3 4.4 Alarms: Pre-disconnect & Disconnect- Two sets of Form C alarm contacts are provided for the following: Pre-LVD Disconnect & LVD Disconnect. Wiring is via the Molex six conductor alarm wire pigtail included with the ULM-100. See section 5.12 & 5.13 for information on setting Pre-disconnect and LVD activation thresholds.
- Page 4 This includes current drawn by the load and battery charging current. 5.23 Back Lighting: The ULM-100 allows the user to adjust LCD backlight level to match environment lighting or suit user preferences. Changes can be made in the settings menu and is adjustable from 20% to 100% levels.
- Page 5 Figure 5: ULM-100 and Unity Rectifier Shelf (URS) with Optional UFP-5 Wiring Diargram 6.2 Power Module (PM Series): One or more Newmar PM Series Power Modules can be connected to the ULM-100 Rectifier Input (100 Amps max. total). Use the ‘Vout’ or diode isolated terminal when connecting 2 or more PM’s in parallel. Figure 6, ULM-100 and Power Module wiring diagram - next page.
- Page 6 • LVD Stability Issues After Settings Change: If the LVD contactor cycles frequently after making changes to the LVD default settings, the ULM-100 can be restored to factory settings to aid in troubleshooting (see 5.26 and the menu diagram for details).
- Page 7 9.0 Outline & Mounting Dimensions P.O. Box 1306 Phone: 714-751-0488 Newport Beach Fax: 714-957-1621 www.newmartelecom.com California 92663 E-Mail: techservice@newmarpower.com...
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