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MAIN

BATT

SOLAR

PANEL

INPUT

If a standard solar panel is used, it can be connected to the input marked "SOLAR PANEL".

Before installing a battery into the Power Pack DC40, select the correct battery type. 

(Instructions on page 7)

Make sure all connections are secure and terminated correctly with appropriate tools.

For applications where the Power Pack DC40 is installed in a vehicle, locate the Power Pack such that 
the input cables are not restricted or under strain. The Power Pack should also be secured to prevent 
movement.

The input cables must be terminated with a RED 50A coupler matching the input on the Power Pack 
DC40 marked "MAIN BATT".

Once the battery type is selected, a battery can be installed into the Power Pack DC40 and the RED 
input cable connected 

(Fig 2)

.

2

Use 16mm  cables for the input from the vehicle main battery and install the supplied 50A in-line fuse 
close to the main battery on the positive cable (

Fig 1).

Connect the supply from the main 
battery (alternator) to the RED input 
on the Power Pack DC40.

Ensure terminals are crimped securely.

Install the fuse on the positive cable 
close to the main battery.

Fig 1

Fig 2

6

Preparing for Installation

Summary of Contents for DC40

Page 1: ...Power Pack DC40 ...

Page 2: ...ternal Battery Chargers Introduction Connecting DC power sources Ignition Over ride Safety Information Features Wiring Diagram Preparing for Installation Installing Battery Connecting Solar Panels Remote Monitor Remote Monitor Status Messages Specifications Warranty System Operation ...

Page 3: ...2 ...

Page 4: ...olar panels or external chargers making it versatile for a variety of applications The Power Pack DC40 supports 12V lead acid wet calcium Gel AGM as well as lithium batteries Two dual port USB modules with fast charge allows several smart devices such as smart phones tablets GPS cameras and other USB devices to be powered up to 18W on each port to fridges and other small appliances These connector...

Page 5: ...ch 50A Heavy duty IN OUT connectors SOLAR PANEL input Remote Monitor port IGNITION sense port MAIN BATT input External Charger input Charger input fuse Hella type DC Socket Direct DC Input 12V DC Sockets Fuses Control Panel Sliding Lid Battery Compartment ...

Page 6: ...loss lowering system performance Follow these guidelines during installation Special care must be taken to ensure that the cable connectors and power source are rated for this current If more than one system is installed avoid the use of shared cabling 2 A cable thickness of 16mm 5 AWG is recommended Ensure all cable terminals are crimped with appropriate tools Use the correct size of terminal and...

Page 7: ...ould also be secured to prevent movement The input cables must be terminated with a RED 50A coupler matching the input on the Power Pack DC40 marked MAIN BATT Once the battery type is selected a battery can be installed into the Power Pack DC40 and the RED input cable connected Fig 2 2 Use 16mm cables for the input from the vehicle main battery and install the supplied 50A in line fuse close to th...

Page 8: ...er can now hinge open Remove screws from the left right and bottom as indicated The cover can now be opened fully to expose the internal DC DC system With the cover slightly open unplug the remote monitor cable Connect power to the MAIN BATT or SOLAR input The DC DC system will now activate and show the current battery selection Remove the cover of the internal DC DC system by loosening two screws...

Page 9: ...age 7 Return the Power Pack to the upright position Insert the U bolt through the holes drilled into the bottom of the Power Pack Remove the Power Pack sliding lid and insert the auxiliary battery into the battery compartment Attach the hold down bracket washers and wing nuts Connect the positive RED and negative BLACK cables to the battery terminals Make sure the connections are clean and tight T...

Page 10: ...ower Pack DC40 the DC source should have a rating of 600W or more with a voltage between 11V and 32V Do not connect battery chargers to this input The DC input on the Power Pack DC40 is designed as an alternative input that can be used with DC power sources such as AC DC power supplies wind turbines hydro electric and generators with DC output The fuse current rating should be more than the maximu...

Page 11: ...er than 10A or other brands of chargers it is recommended to connect to one of the AUXILIARY IN OUT plugs These plugs have a 50A continuous rating AC Inverters can be connected to the AUXILIARY IN OUT plugs for powers up to 600W Plug the larger end into a socket that provides a positive voltage only when the ignition of the vehicle is ON The IGNITION SENSE port allows the Power Pack to support veh...

Page 12: ... to the MAIN BATT source first then SOLAR and then DC input Switching between these sources will be automatic If the IGNITION SENSE input is used the Power Pack DC40 will charge with input voltage above 12 0V and stop when voltage drops below 11 5V MAIN BATT input The Power Pack DC40 will start to charge the auxiliary battery once voltage on the MAIN BATT input exceeds 13 2V or a valid voltage is ...

Page 13: ... idle It will turn on automatically when the next charge cycle starts on a high contrast LCD screen The Remote Monitor can be plugged into the Power Pack DC40 and provides status about the system It can fit in one direction only This connector can fit both ways Connect the flat end of the data cable to the Remote Monitor fig 2 Locate the Remote Monitor in a convenient location using the supplied mount...

Page 14: ...e display brightness can be increased or decreased by pressing the UP or DOWN buttons If there is no active charge cycle STANDBY is displayed During a charge cycle the input source ALT SOLAR or DC is displayed with the actual charge current Display mode 2 In this mode the status of the main and auxiliary batteries are represented as graphical bar graphs The actual voltages are shown for the respec...

Page 15: ...5 C If this symbol and voltage display are flashing the battery is not holding charge and should be tested Check fuses and connections to both batteries Ensure the main switch is ON when in use REVERSE POLARITY The connections to the auxiliary battery have been reversed OVER TEMPERATURE PROTECTION The detected auxiliary battery temperature is above 60 C Charging is stopped to prevent damage to the...

Page 16: ...utput each port 5V 3A 9V 2A 12V 1 5A Input Voltage Range MAIN BATT DC inputs SOLAR PANEL Input Input priority Solar Regulator DC Input Type Voltage range Rated Current Turn OFF Rated Power Over Voltage 12V Alternator Input Turn ON Turn OFF Over Voltage 24V Alternator Input Turn ON Turn OFF Over Voltage Ignition Over ride 12V 24V Turn ON Turn OFF Over Voltage Output Voltage Current Power Operating ...

Page 17: ...16 Maximum Battery Size 280 mm 145 mm 306 mm 330 mm 290 mm 460 mm 180 mm 498 mm 280 mm mm ...

Page 18: ...l loss or damage caused by or due to the 12 National Luna reserves the right to refuse repair or service under warranty if the original proof of purchase cannot be 13 Removal of serial numbers may render the warranty void 10 National Luna shall not be held responsible for any injuries to persons caused by the incorrect or negligent usage of 4 This warranty is valid in South Africa only 8 Warranty ...

Page 19: ...or repairs would incur costs in foreign currency and be for the owner s account The standard National Luna Warranty in South Africa cannot be applied outside the South African borders for practical reasons 3 It is important to note that a private purchase of this product in South Africa and exported will not carry a warranty 4 In the event of a National Luna product being fitted as standard equipme...

Page 20: ...eplaced with other compatible modules within the 29mm range Replacing modules requires that the Power Pack DC40 cover be removed and the wiring be manipulated This should only be done by qualified persons Dual USB charger Engel plug compatible Screw in DC socket Hella type socket Cigarette lighter socket factory fitted 12V DC socket factory fitted CAUTION ...

Page 21: ...Remote Monitor NL5 Intelligent Battery Charger Ignition Sense cable Charge Port adapter cable 1m 6m cable for Remote Monitor Optional Accessories 20 ...

Page 22: ...BMS 20331 AUG 2021 www nationalluna com National Luna sales and support Patents Design registrations South Africa 2018 06290 F2017 01515 F2017 01516 Australia 2018232986 201811491 201811492 ...

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