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Summary of Contents for National Luna NLDC-25
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Page 2: Table Of Contents
Index Introduction Safety Information External features Preparing for Installation Fitting the NLDC-25 Universal Mounting Fixture Typical Installation diagram Installation steps Selecting battery type Ignition over-ride Temperature compensation Remote monitor Remote monitor operation Remote monitor warning messages Application examples Specifications... -
Page 3: Introduction
Temperature compensation is used to optimise the output voltage, ensuring safe and full battery charging under various conditions. The NLDC-25 supports the connection of a remote monitor that displays information about the system and battery levels to the user on a high-contrast LCD screen. -
Page 4: External Features
NLDC-25 Features NLDC-25 External features 1 - NL-DC25 Metal Base 2 - Remote monitor connecting port 3 - Status display 4 - Removable top cover 5 - Temperature compensation input 6 - Ignition over-ride input 7 - Removable terminal block... -
Page 5: Preparing For Installation
The NLDC-25 should be located close to the auxiliary battery for best voltage regulation. Ÿ The NLDC-25 can operate in harsh environments but it is best installed in a location that is cooler with adequate ventilation. Ÿ Avoid areas exposed to harsh or corrosive chemicals, excessive dust, extreme heat or mechanical movement. -
Page 6: Fitting The Nldc-25
Fitting the NLDC-25 The NLDC-25 has 4 mounting feet, use these to attach the NLDC-25 to a secure, flat surface. Use appropriate screws or bolts to attach the NLDC-25 securely, M4 machine bolts are recommended. DO NOT drill into or modify the NLDC-25 housing. - Page 7 Use the supplied screws and washers to assemble the fixture as shown in the diagram. Use appropriate fasteners to secure the assembled plate to the application. The NLDC-25 can be rotated on the plate by 90° to suite the application. Vertical or horizontal installation is supported.
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Page 8: Typical Installation Diagram
Typical Installation SOLAR PANELS FUSE FUSE MAIN BATTERY BATTERY... -
Page 9: Installation Steps
Connect the temperature compensation probe and IGN over-ride cable if used. (See page 8). Ÿ Install the remote monitor (if used) and run its cable to the remote monitor port on the NLDC-25. (See page 9). Ÿ Double check all cables and connections for correct installation. -
Page 10: Ignition Over-Ride
Connect the smaller ring on the sensor cable to the “sensor” terminal ignition lead or source in the vehicle. on the NLDC-25. Connect the larger ring to one of the GND terminals. This source must be switched to a positive voltage when the vehicle is started and switched off when the vehicle is turned off. -
Page 11: Remote Monitor
Remote monitor - (Optional accessory) The Remote Monitor for the NLDC-25 provides status information about the system and batteries on a high-contrast LCD screen. Information such as Main and Auxiliary battery voltages, charge mode, charge current, battery type, battery temperature and error conditions are displayed on a choice of 3 user-selectable display modes. -
Page 12: Remote Monitor Operation
Remote display operation The remote monitor can be turned ON or OFF by pressing the POWER button. The display will turn off automatically after a short delay if there is no active charge cycle. The display brightness can be increased or decreased by pressing the UP or DOWN buttons. The remote monitor has 3 display modes that represent the status of the charging system in different ways. -
Page 13: Remote Monitor Warning Messages
It is possible that the battery is damaged or is located in an area that is too hot. This error will also be displayed if the NLDC-25 temperature is above 115°C. Charge will stop until the system temperature drops to a safe level. -
Page 14: Application Examples
Application examples Installation in a Trailer or Caravan The NLDC-25 can be installed in a Trailer or Caravan that is equipped with batteries. In this application, the NLDC-25 supports a stand-alone application with solar input as well as a removable connection to the towing vehicle’s main battery. - Page 15 Battery battery. Charger It is not necessary to disconnect the NLDC-25, provided that there is no active charge cycle and the NLDC-25 is in standby mode. Do not connect an external battery charger if power is being delivered from a solar panel or the vehicle alternator is running.
- Page 16 Any loads connected to the battery will be powered by the NLDC-25 when a charge cycle is active. If the Auxiliary Battery Box is disconnected, the NLDC-25 will automatically revert to a safe mode. An error will appear on the...
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Page 17: Specifications
Technical Specifications Voltage Range Ba ery Temperature Compensa on Alternator 11V - 32V High temperature -17mV per °C above 30°C Solar 9V - 42V Low Temperature +17mV per °C below 21°C Solar Regulator Ba ery over-temperature protec on 50°C Type MPPT Device Protec on Output Current... - Page 18 Technical Specifications - continued 110mm 65mm 65mm 37mm 158mm 155mm 38mm 39mm 38mm...
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