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Large amounts of DC current can be drawn by your LD550-24, 

care must be 

taken.

 

Introduction 

 

Thank you for choosing to purchase the Selectronic LD550-24 TRUE 
SINE WAVE inverter. Many hours of Research and Development have 
gone into the LD550-24 to ensure this inverter provides you with many 
years of reliable service 

 
 

Fixed Installation 

All fixed installation battery connections must be securely bolted, 
using stainless steel nuts and bolts. To protect the connection from 
corrosion smear a small amount of Vaseline or similar over the joint. 
Never place batteries directly onto a concrete floor, place timber or 
similar material beneath the batteries. 

 

Warranty Card 

It is imperative that you complete your warranty card NOW. Your LD550-
24 is covered by a TWO year warranty; this warranty is in addition to your 
rights under the trade practices act of your state or territory. 

LD550-24

Inverter

Battery Bank

*System Fuse

To Load

 

Returning you completed warranty card will enable us to register your 
warranty and avoid any possible delays should service be required. If you 
have any comments about our product that will not fit on the warranty card 
please feel free to drop us a line. Yes, constructive criticism will also be 
welcome. 

Installation 

 

200mm

200mm

200mm

LD550-24
Inverter

Front

200mm

LD550-24 Inverter

* A system fuse (of at least 25 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

installations be designed and installed by appropriately qualified person. The Solar
Energy Industries Association in your state or territory can provide names of accredited
system designers and installers.

All AC wiring MUST be carried out by an accredited electrician and must conform to 
AS3000 and/or any relevant local standards.

The output voltage from an inverter is as lethal as mains electricity.

 

 

Electrician’s Note 

 

 

All earth’s AC and DC should be bonded 

 

 

RFI/Lightning Earth stake should be within 3m of the inverter 

Please leave a clearance of 200mm on all sides and top of the Inverter. 

 

The LD550-24 is suitable for connection to MEN wiring 

The LD550-24 must be installed in a dry, cool, dust-free environment. 

 

Any AC changeover switch must be a ‘break before make’ type 

It is recommended that the inverter be placed as far from any radio 
receivers as possible. 

LD550-24 Manual 

 

Selectronic Australia

 

LD550-24 Manual 

 

Selectronic Australia

 

Содержание LD550-24

Страница 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...

Страница 2: ... card please feel free to drop us a line Yes constructive criticism will also be welcome Installation 200mm 200mm 200mm LD550 24 Inverter Front 200mm LD550 24 Inverter A system fuse of at least 25 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...

Страница 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 LD550 24 has sufficient battery cable length to allow it to sit underneath the ...

Страница 4: ...d on a regular basis the less life you can expect from the battery See you 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 LD550 24 from the packaging 3 Check unit for any damage that may have resulted during transport if any damage is evident report t...

Страница 5: ...y by starting the vehicle or using a battery charger LED 1 Flashing indicated the LD550 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...

Страница 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...

Страница 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...

Страница 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 LD550 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...

Страница 9: ... 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 LD550 24 Manual Selectronic Australia 16 Inverter Type Microprocessor control circuit with PWM full bridge power stage True s...

Страница 10: ...ay Drive Bayswater Victoria 3153 Australia Ph 03 9762 4822 Fax 03 9762 9646 service selectronic com au Burley TV Service Rainbow Power Company 278 Edmondson Ave 1 Alternative Way Austral Nimbin NSW 2171 NSW 2480 Australia Australia Ph 02 9606 0279 Ph 02 6689 1430 Fax 02 6689 1109 Reid Technology Ltd 3 5 Auburn Street Solar Inverter Services Takapuna 13 Thirteenth Ave North Shore City Sawtell Auckl...

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