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Portable Use 

Batteries and Connections 

By using optional battery clips, the LD350-24 can be connected directly to 
a vehicle battery. When using Alligator clips ensure they have a tight grip 
around the battery post. Wherever possible battery connections should be 
bolted. If connecting the LD350-24 through a cigarette lighter socket the 
maximum power output of the LD350-24 will be 

severely

 restricted, this 

practice should be avoided. Check with your supplier or installer if you are 
unsure.

 

Batteries are the key to maximum performance from your LD350-24, if a 
battery is too small or not fully charged it may result in de-rated 
performance from your LD350-24.

 

Battery ratings 

Batteries can be rated in one of two ways: 
1.

 

CCA = Cold Cranking Ability. This is the amount of power or current that 
a battery can deliver for a short period, typically a few seconds. This how 
a car battery would normally be rated. 

 
Do not use alligator clips in a moving vehicle 

 

Auxiliary Battery

Earth (to chassis)

LD350-24 Inverter

Earth (to chassis)

Isolator

Vehicle
Alternator

 

2.

 

Ah = Ampere Hours. This is the maximum amount of energy that can be 
stored in a battery; this figure will generally be stated at a particular hour 
rate. This is how a deep cycle or storage battery would normally be rated. 

Start Battery

 

By incorporating an auxiliary battery in the manner above, the starting battery 
should remain charged for vehicle starting (see your auto electrician). 

The LD350-24 has sufficient battery cable length to allow it to sit underneath the vehicle 
whilst in use. If the ground is wet, place the LD350-24 on a waterproof liner. 

LD350-24 Manual 

 

Selectronic Australia

 

100Ah @100hr, this means that when this battery is discharged over 
a period of 100 hours, the battery has a capacity of 100Ah. This in 
theory means 1 Amp for 100 hours, although this would in practice 
result in a totally discharged battery that may not then recover. 

 

 

To achieve maximum performance from your LD350-24 you must have a 
battery capable of delivering 75 Amps for a short period whilst 
maintaining at least 21.0 volts. To increase the capacity of your battery you 
may need to join more than one battery together.

 

 

 

Where batteries are joined 
in 

series

, add the voltage of 

each battery. 

 
 
 

The capacity will equal the capacity of the smallest battery. 2 x 12 
Volt 150 Ah batteries connected in series would have a total 
capacity of 24 Volts – 150 Ah.  

 

 

LD350-24 Manual 

 

Selectronic Australia

 

Summary of Contents for LD350-24

Page 1: ...o Introduction 1 Warranty Card 1 Installation 1 Batteries and Connections 4 Getting Started Quickly 6 Parts Identification 6 Operation 7 STATUS Indicators 7 Demand Start Setting 9 Low Voltage Shutdown Setting 10 Maintenance 11 Inverter 11 Batteries 11 Handy Hint 12 Radio Frequency Interference 13 Fault Finding 14 Product Warranty Conditions 15 Specifications 16 Selectronic Service Network Back Cov...

Page 2: ... card please feel free to drop us a line Yes constructive criticism will also be welcome Installation 200mm 200mm 200mm LD350 24 Inverter Front 200mm LD350 24 Inverter A system fuse of at least 20 Amps should be placed before the battery An HRC motor start type is recommended See your system designer for details Warning As a matter of safety Selectronic strongly recommend that all fixed installati...

Page 3: ... be stored in a battery this figure will generally be stated at a particular hour rate This is how a deep cycle or storage battery would normally be rated Start Battery By incorporating an auxiliary battery in the manner above the starting battery should remain charged for vehicle starting see your auto electrician The LD350 24 has sufficient battery cable length to allow it to sit underneath the ...

Page 4: ...ng of a battery will also be reduced if the drain current is greater than the rated discharge current See your battery specifications for full details If you want to get powered up quickly here are the 11 simple steps 1 Familiarise yourself with the details in the first 6 pages on this manual 2 Unpack the LD350 24 from the packaging 3 Check unit for any damage that may have resulted during transpo...

Page 5: ...y by starting the vehicle or using a battery charger LED 1 Flashing indicated the LD350 24 is in Demand Start mode this indicates that no power is being drawn from the inverter so it has gone to SLEEP to save power If no power is used within 12 minutes the LED 1 will flash at a slower rate therefore saving more power The low voltage point that the inverter will cut out is adjustable to suit your p...

Page 6: ...econds Hold the Mode button 7 down until LED 5 is FLASHING approximately 2 seconds indicating you are ready to adjust this setting Now press the Mode button 7 until the desired value is sought LEDs 1 4 will return to Status after 20 seconds Low Volts Cut out LED 1 LED 2 LED 3 LED 4 20 0 Volts 20 2 Volts 20 4 Volts 20 6 Volts 20 8 Volts Slow Flash Medium Flash Fast Flash Fastest Flash ON ON ON ON O...

Page 7: ...e inverter s operation by flashing when the inverter is in SLEEP mode and remaining ON when the inverter is brought ON by a load Batteries 1 Every week carry out a thorough visual inspection of all battery wiring taking particular note of the condition of inter connections between cells This maintenance should be carried out in conjunction with the battery manufacturers recommended maintenance Saf...

Page 8: ...r be housed at least 15 metres from the home Check again to make sure that there are no appliances left ON the sequentially switch off appliances at the wall and by watching your night light as described in Handy Hint check to see if the LD350 24 returns to pulsing SLEEP mode after a 10 second delay Once you have found the offending appliance increase the sensitivity of the Demand Start see page 1...

Page 9: ...o an authorised service centre listed in this manual There will be no charge for the return of the inverter Outside Australia New Zealand Product purchased for use outside Australia New Zealand must be returned to Selectronic Australia s Service Centre to enable warranty claims to be processed Freight cost to be borne by the customer No charge will be made for the product return Current draw from ...

Page 10: ... 9 489 8585 Ph 02 66581733 ps reidtechnology co nz Miscellaneous Specifications Reverse Polarity Protection Output Voltage Accuracy 0 350 watts Output Frequency Peak Efficiency Total Harmonic Distortion Operating Temperature Range Transformer Type Cooling Method Power Point Chassis Material Chassis Coating Size Full Electronic Protection 4 12 volt input 50Hz 0 01 92 4 0º C to 50º C Toroidal Contro...

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