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STERLING
POWER PRODUCTS
 
3 in 1 COMBINED  
PURE SINE WAVE INVERTER 
UPS / BATTERY CHARGER 
 (SOLAR & SHORE) 
USER MANUAL 
 
 
 
Sterling Power Products 
England  Tel. 01905 453999 
         Fax  01905 458836 
 
 
www.sterling-power.com
 
help@sterling-power.com 
 
 
 
                
 
 
 
 
                                                                                                                                                                                                    
                    
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                          Content    A. General Information------------------------------------------------------- 1  B. Warranty----------------------------------------------------------------------- 2  C. Introduction------------------------------------------------------------------ 4  D. Installation-------------------------------------------------------------------- 8  E. Operation---------------------------------------------------------------------- 11  F. Disabling Functions --------------------------------------
                    
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                        General:   “ 3 in 1” It is a powerful pure sine wave inverter, a sophisticated battery  charger that features adaptive charge technology and a high-speed AC  transfer switch in a single compact enclosure.   Besides all this functions ,however, the “3 in 1” has several advanced  features that provides a range of new applications as outlined bellow:  In the event of a grid failure ,or shore or generator power being  disconnected, the inverter within the “3 in 1” is automatically In less than 20   
                    
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                         -1-    A. General Information  Operating instructions              This manual is a part of the delivery package of every inverter-charger. It serves as  Guidelines for safe and efficient operation of the unit. The instructions are only  valid for use with the following models and accessories.    DAI-1500C-12xx / DAI-3000C-12xx    DAI-1500C-24xx / DAI-1500C-24xx   Temperature BTS-A-15 (m)   Remote controller RCC-A-03 (3m) / RCC-A-15 (15m)  Any personnel who install the unit  and / or works with
                    
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                        -2-      B. Warranty  During production and assembling, all Sterling Inverter / Chargers go through  many testing procedures. Every Sterling has its own serial number, which helps to  refer back to its original data in the event of controls or repairs. That is why you  should never remove the identification plate showing the serial number and must  ensure you return your warranty card as soon as possible.  The warranty period for your Sterling is 2 years.       Sterling Warranty Terms and Condit
                    
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                        -3-  Sterling reserve the right with some models to supply an accredited installer with  replacement parts, this may allow the unit to become operable much quicker. In  this case Sterling are not responsible for any costs of the installer’s time or  traveling expenses. Replacement parts are sent at Sterling's discretion.  Sterling will in no way be held responsible for any losses incurred   due to the malfunctioning or failure of a product.  Suitably qualified personnel must carry out wiring, fa
                    
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                        -4-  C. Introduction  C.1  Basic schematic  This unit is a a sine wave inverter with integrated battery charger and AC Bypass   switch with many additional functions.       DC BUS AC BUS              PV Array Solar Controller       Bidirectional Inverter  (Inverter / Charger)          BATTERY    Home / Boat / Motohome AC Load          C.1.1 The Inverter  The sinewave-inverter section of your Combi generates a sinewave AC voltage   with an exceptionally precise voltage and stabilized frequency, I
                    
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                        -5-  C.1.3 The Battery charger  The built-in battery charger is capable of charging the batteries quickly and   completely. A microprocessor controlled, 3 to 4 Step charging process ensures   the optimum charging of the batteries. The desired charging current can be set.  The battery charger can be used for lead-acid or gel batteries. Thanks to the  floating charge ability of this unit, the batteries can remain continuously connected.    C.1.4 The solar charge regulator (opetional)  With the bui
                    
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                        -6-  C.2.1 Parallel Connection:    C.2.2 Series Connection:                                                                                                                                                                                                                                                                                                                                                                                                                                                         
                    
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                        -7-        C.2.3 Parallel-Series Connection:                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                    
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                        -8-  D. Installation    D.1 Location    The location of the Combi  must be chosen by the following criteria:    Protection from unauthorized handling.    Dry dust free room, no condensation, no rodents.    Never install directly over the battery and never in a cabinet together   with the batteries.    Keep ventilation holes free. The ventilation of the Combi  is designed in such a  way that it will work most efficiently when mounted vertically.    In mobile installation it is important to keep v
                    
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                          -9-       D.3 Cabling / wiring    When making connections to the unit  you must ensure that all connections   are carried out in a clean and correct manner and under no circumstances that a   cable is connected to a wrong terminal.  Connecting the unit must be carried out in the following order.        D.3.1 Connection to battery    Prepare the batteries for connection. Prepare battery cables, if necessary press   on cable tabs/shoes. Connect the red cable to the Battery positive fuse/circuit 
                    
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                        -10-  D.3.4 Connect the Solar modules: SOLAR IN +/-     Solar modules are connected on these terminals. Under no circumstances should   any other energy source i.e. wind generator be connected to these terminals.   Depending on the power of the modules, the cable cross section should be 2.5 up   to 6mm². Before connecting it is necessary to check with a Voltmeter that the   voltage of the Module meets the following values:  Invertek DAI -1500C -12xx / DAI - 3000C -12xx  17-25V / 30A  Invertek DA
                    
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                        -11-  E. Operating  E.1 Front Panel Display And Operating Description      Sterling Power Products         2 1 3 4 8 10 6 5 12 7  11 9   PB1 PB3 PB2 PB6 PB5 PB7 PB4   E.2 Push buttons  Push buttons Name Description  PB1 RUN/STOP RUN/STOP key  PB2 FUNC k Operation mode select key.  PB3 AUX1 Auxiliary contract (aux1, aux2) Manual / Active change. And Function  programming key  PB4 DSPL Multi-display select key  PB5  UP(△ ) △ Increment key.  PB6  DOWN (▽ ) ▽ Decrement key.  PB7 ENTER Data write key
                    
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                        -12-  E.3 LED INDICATOR:  LED Name L ED ON LED Blink LED OFF  1 AC IN 1. Input voltage normal, and Has input power, but No input power  position ”transfer voltage or frequency is not  Voltage Level” in the allowance range.  (150VAC~240VAC)  2. Input voltage frequency  range in between(45~60Hz)  2 CHARGER Green : Battery charger is Green Blink : Battery   working. charger is standby.    Orange Blink : Battery --------------  charger is disable.  3 SOLAR PANEL Solar module is delivering  1. Solar 
                    
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                        -13-  11 MULTI-DISPLAY LED In Inverter Mode In Charger Mode    9.1 Battery Voltage Battery Voltage  LED 9.1 LED 9.4  LED 9.5 LED 9.2 9.2 Output Voltage Input Voltage  LED 9.6 LED 9.3 9.3 Output Frequency Charging Phase  9.4 AC output current Battery charging current  Display  9.5 Indicator of parameter setting or modify or monitor.  monitoring  9.6 Indicator of error message  values or set  :Battery under voltage trip.  values of each    parameter.  :Battery over voltage trip.    :AC out overloa
                    
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                        System Adjustments To adjust any of the unit’s preset parameters (factory/default settings are highlighted in dark blue in each function box) the unit must be in STOP mode! Select the  function you wish to change from the list of light blue boxes below. Select the parameter in the box you wish to change. For example, if  you wish to switch the power saver  function off, you find that the power saver function is attached to Fn02 (function 2) and that selection 2 means “off”. To select this desire
                    
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                        -15-  E.7.1 The Inverter  The Inverter section of the unit produces a high quality Sinewave output, the   quality of this output is compatible with any appliance, Thanks to the generous   dimensioning of the unit , you can operate appliances requiring higher power   than the nominal power of the unit  for a short time. The unit provide up to   3-times the nominal power to start motors etc.    E.7.2 Power saving function (Fn02)  In order to avoid unnecessary discharge of the battery, the inverter
                    
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                        -16-      E.7.5 Battery Condition  Deep discharging of batteries leads to high losses in capacity and early aging.  That is why the unit will constantly monitor the battery condition. When battery   voltage gets too low the Invertek switches OFF. The multi-display will show   “ ” or ” ” (Low voltage cut out P-12) the “RUN/STOP” LED RED blinks.   When the battery voltage returns to 12.1V resp..24.2V, the inverter switches ON   automatically. One minute before the Inverter switches OFF due to low 
                    
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                        -17-    F. Disabling Functions (Fn05)  Each different function, charger, inverter and transfer can be disabled. This is   useful for specific applications which are required to disable some of these three   functions. If you press the “FUNC” button for more than 2 seconds you can   have access to the different possibilities shown in the following diagram,.  In programming mode the display only shows the different types of program with   the “Charger”, Transfer” and “Inverter” functions. To chang