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LD550-24 Volt Owners Manual 

 

 
 
 
 
 
 
 
 

LD550-24 Operating Manual 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Serial No  _____________________________  

Purchase Date  ______________ 

Note - Your 2 Year Warranty can only be valid once your warranty card is completed and returned to Selectronic Australia 

 

 

USTRALIA

ELECTRONIC

 

 

A

 

S

 

Contents 

Page No. 

Introduction   

1

Warranty Card 

Installation   

1

Batteries and Connections 

Getting Started Quickly 

Parts Identification 

Operation   

7

STATUS Indicators 

Demand Start Setting 

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 Cover

 

Legend for Symbols 

 

 

 

Warnings and 

electrician’s notes 

 

Hints and Pointers 

 

Examples 

Summary of Contents for LD550-24

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 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...

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

Page 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...

Page 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...

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 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...

Page 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...

Page 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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