LD250-24 Owners Manual - Selectronic Australia
Contents
1. add the capacities together the voltage will remain the same as each batteries voltage Eg 2 x 12 Volt 100 Ah ba T capacity of 12 Volts 200 Ah This would not suit your 24 Volt LD250 E Only use identical batteries when joining batteries together How long will my battery last To work out how long your battery will last follow this basic guide Q This guide presumes commencing with a fully charged battery Take the total rating of the appliance being run Eg 1 light globe 25watts 1 20inch TV 67watts 1 VCR 30watts Total load 122watts Divide this figure 122 by 20 to know the approximate DC current draw 6 1Amps To convert this to Ampere hours multiply by the number of hours used Say 1 hour 6 1Ah So if we have a 50Ah battery then with the above example we should have 50 minus 6 1 43 9 Ah remaining in the battery As a general guide never discharge a battery below 50 The deeper L a battery is discharged on a regular basis the less life you can expect from the battery See your battery specifications for full details Selectronic Australia C5 LD250 Manual Getting Started Quickly If you want to get powered up quickly here are the 10 simple steps 1 Familiarise yourself with the details in the first 6 pages on this manual 2 Unpack the LD250 from the packaging 3 Check unit for any damage that may have resulted during transport if any damage is evident report this to your supplier immediatel2. from your LD250 if a battery is too small or not fully charged it may result in de rated performance from your LD250 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 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 Q 100Ah 100hr this means that when this battery is discharged over Eg 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 LD250 you must have a battery capable of delivering 25 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 e Where batteries are joined in series add the voltage of each battery Q The capacity will equal the capacity of the smallest battery 2 x 12 Volt 100 Ah batteries connected in series would have a total capacity of 24 Volts 100 Ah Selectronic Australia C4 LD250 Manual e Where batteries are joined in parallel
3. LD250 24 Volt Owners Manual Contents Page No Introduction Warranty Card Installation SELECTRONIC Batteries and Connections Getting Started Quickly Parts Identification Operation STATUS Indicators Maintenance Inverter Batteries Radio Frequency Interference Fault Finding Product Warranty Conditions MSV wrwmmriIrintainanbRere N SkRLECLEHKON IS Specifications yt 05 SINI WAVE INYEHTER Selectronic Service Network Pinti h Legend for Symbols Warnings and Serial No Purchase Date electrician s notes Hints and Pointers Examples Note Your 2 Year Warranty can only be valid once warranty card is completed and returned to Selectronic k EER Introduction Thank you for choosing to purchase the Selectronic LD250 TRUE SINE WAVE inverter Many hours of Research and Development have gone into the LD250 to ensure this inverter provides you with many years of reliable service Warranty Card It is imperative that you complete your warranty card NOW Your LD250 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 Returning your 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 p
4. an be a problem for owners of inverters RFI in a domestic situation may produce noise or interference on a radio or TV receiver Considerable development time has resulted in a reduction of the RFI generated by the inverter to a level that complies with C tick requirements Compliance to this standard means RFI is low but how well the inverter performs in a particular installation can vary Below are some suggestions to help reduce the effects of RFI in your installation e It is recommended that the power system including the inverter be housed at least 15 metres from the home e Ensure an earth stake is placed as close to the inverter as possible and connected to the inverter via a short length of wire See page 2 for wiring details e Avoid running DC cables into the home if at all possible If this cannot be avoided run DC and AC in separate conduits separated by as much distance as practicable All DC wiring should also be kept together and be as short as possible e If your inverter is to be installed in a mobile home or similar try to keep your inverter at least one metre away from your radio or audio equipment The further the better Selectronic Australia C9 LD250 Manual Fault Finding No indicators ON when power is first applied When first connected if the LD250 shows no indicators the battery connections may be reversed Check that the red battery wire 6 is connected to the battery positive and the black
5. battery wire 7 is connected to the battery negative Inverter shuts down during the middle of the day and comes back ON late in the afternoon This is more than likely caused by high battery volts during peak charging times from Solar Panels Battery volts should never exceed 34 volts If this is the case have your Solar Regulator checked Selectronic Australia LD250 Manual Product Warranty Conditions Warranty Selectronic Australia Pty Ltd warrants your inverter to be free from Unauthorised modification or repair will void your warranty The inverter must be returned at the owner s cost to an authorised service centre listed in this manual There will be no charge for the return of the inverter Outside Australia amp New Zealand Selectronic Australia GD LD250 Manual LD250 24 Volt Specifications Inverter Type Microprocessor control circuit with PWM full bridge power stage True sine wave AC output Current draw from Battery Condition Amperage Inverter ON with no Load 0 42 Amps Maximum Continuous Load 240 Watt 12 0 Amps Surge rating 700 Watt 35 Amps Inverter Power Ratings 25 C Condition Total Inverter output Wattage 1 0pf Current Continuous 250 Watt 1 04 Amps Half hour rating 320 Watt 1 3 Amps Surge rating 3 seconds 750 Watt 2 8 Amps Battery Voltage Range Voltage Low DC Volts Cut Out 10 second delay 22 volts Low DC Vol
6. d LED 2 will turn OFF and the inverter re activate LED 3 Over temperature AC Overload Permanently ON If the inverter shuts down due to internal components getting too hot then LED 3 will come ON and will remain ON until the temperature has dropped to a safe level LED 3 will then turn OFF and the inverter re activate e If LED 3 is coming ON regularly either reduce the amount of load on the inverter or if possible move the inverter to a cooler location Flashing If the inverter shuts down due to too much AC load being drawn from it then LED 3 will FLASH The inverter will remain in this condition for 1 minute after the AC load has been decreased to a safe level e If the inverter remains in this overload condition beyond one minute switch 8 ON OFF Switch should be turned OFF and then back ON to re activate the inverter Maintenance Inverter Selectronic Australia C7 LD250 Manual Periodic maintenance of your LD250 inverter involves little more than checking for any obstructions to the black cooling heatsink at the rear of the inverter The heatsink must be cleared of any accumulated foreign matter that may have lodged itself between the fins since the last maintenance check e g insect nests Also verify that airflow around the inverter has not become restricted Batteries 1 Every week carry out a thorough visual inspection of all battery wiring taking particular note of the condition of in
7. roduct 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 0 LD250 Inverter 200mm 200mm gt LD250 r Inverter S es Front Please leave a clearance of 200mm on all sides and top of the Inverter The LD250 must be installed in a dry cool dust free environment It is recommended that the inverter be placed as far from any radio receivers as possible Selectronic Australia CD LD250 Manual Large amounts of DC current can be drawn by your LD250 care must be taken 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 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 The output voltage from an inverter is as lethal as mains electricity All AC wiring MUST be carried out by an accredited electrician and must conform to AS3000 and or any rele
8. ter connections between cells This maintenance should be carried out in conjunction with the battery manufacturers recommended maintenance Safety Hint When working on batteries of such high capacity it is E essential that you wear protective clothing some form of eye protection and rubber soled work boots Please regard your batteries with a great deal of caution and if in any doubt entrust this work to your supplier installer 2 Check that the stainless steel inter connecting bolts are tight and have no corrosion If corrosion is evident carefully follow the following procedure e Disconnect the system battery fuse before working on the battery bank e Unbolt the stainless steel bolts and nuts of any corroded connections and thoroughly clean the joint with a wire brush or file taking extreme care not to short circuit any battery cells with any tools e Re assemble and smear a small amount of Vaseline or similar grease over the surface of the joint to slow down any future corrosion 3 Once a fortnight or as directed in your battery manufacturer check the specific gravity SG of each battery cell using a hydrometer to ensure Selectronic Australia LD250 Manual that all cells are performing correctly and are properly charged Any serious imbalance should be reported to your system designer in case remedial action needs to be taken Radio Frequency Interference Radio Frequency Interference RFD c
9. ts Cut In 24 volts High DC Volts Cut Out Instantaneous 34 volts Miscellaneous Specifications Reverse Polarity Protection Output Frequency Total Harmonic Distortion Operating Temperature Range Socket Outlet Chassis Output Voltage Accuracy 0 350 watts Full Electronic Protection 4 12 volt input 50Hz 0 01 lt 4 10 C to 50 C 10 Amp Single Pole Powder Coated Zinc Steel Selectronic Australia aD LD250 Manual Selectronic Authorised Service Network Notes Selectronic Australia 25 Holloway 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 Auckland NZ NSW Ph 9 489 8100 2452 Fax 9 489 8585 Ph 02 66581733 ps reidtechnology co nz S ELECTRONIC AUSTRALIA 25 Holloway Drive Bayswater Victoria 3153 Australia Phone 03 9762 4822 Fax 03 9762 9646 Email sales selectronic com au Part No ST M LD250 REV 3 17 02 2004 Selectronic Australia C13 LD250 Manual
10. vant local standards Electrician s Note e All earth s AC and DC should be bonded e RFI Lightning Earth stake should be within 3m of the inverter e The LD250 is suitable for connection to MEN wiring e Any AC changeover switch must be a break before make type Selectronic Australia C2 LD250 Manual Ponable USO q n By using optional battery clips the LD250 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 LD250 through a cigarette lighter socket the maximum power output of the LD250 will be severely restricted this practice should be avoided Check with your supplier or installer if you are unsure E Do not use alligator clips in a moving vehicle Start Battery RA to chassis LD250 Inverter Vehicle Alternator Auxiliary Battery L Earth to chassis O By incorporating an auxiliary battery in the manner above the starting battery should remain charged for vehicle starting see your auto electrician The LD250 has sufficient battery cable length to allow it to sit underneath the vehicle whilst in use If the ground is wet place the LD250 on a waterproof liner Selectronic Australia C3 LD250 Manual Batteries and Connections Batteries are the key to maximum performance
11. y Make sure the LD250 ON OFF switch 8 is in the off position Connect battery positive wire red 6 to battery positive or battery fuse Connect battery neg wire black 7 to battery negative or battery fuse Plug a 230 240V appliance into inverter front power point 4 but do not switch on Turn ON OFF switch 8 to ON 9 LED 1 will illuminate If no LEDs light check for correct connection to battery 10 You re away NAUA ge LD250 Parts Identification LED 1 LED 2 Socket Outlet 4 E oe eo oF 1 mholwia SINE WAVE ISWERTER k i M ON OFF Switch 8 Positive Red Battery lead 6 can be viewed from the rear Negative Black Battery Lead 7 can be viewed from the rear Selectronic Australia C6 LD250 Manual Operation Three LEDs are provided on the front panel to indicate the operating Status of the LD250 Inverter STATUS indicator LED s LED 1 ON Indicates that the inverter is supplying power to the load LED 2 DC Volts Low DC Volts High Flashing If the inverter shuts down due to low battery voltage the battery is flat then LED 2 will flash Charge the battery by starting the vehicle or use a battery charger When the battery is charged the battery voltage will rise LED 2 will turn OFF and the inverter re activate Permanently ON If the inverter shuts down due to high battery voltage then LED 2 will stay ON When the battery voltage is reduce
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