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 PV Charge Controller

SBC-6108 / 6112 / 6120

User's Manual

Table of Contents

Precautions and Specifications          

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 1

1. Introduction                

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 2

2. Control and Indicator         

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 2

3. Installation and Indication              

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 3

3.1

  Connection

          

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 3

3.2

  LED Indicator

     

              

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 3

3.3

  Charging LED Indicator

              

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 4

3.4

  The Dip Switch   

              

 

            

 

            

 

            

 

            

 

 

           

 

 

           

 

 

           

 

 

           

 

 

4

3.4.1

  Bulk Charge Voltage Setting for Sealed and Wet-type Lead Acid Battery

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3.4.2

  Select the Auto-Equalization charging and Night-Light Mode

   

              

 

            

 

 4

4. PV Charge Control Mode   

              

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 5

4.1

  3-Stage Charge Control

  

             

 

            

 

            

 

            

 

            

 

            

 

            

 

            

 

 5

4.2

  Equalization Charging Mode (Automatic or Manual)

   

              

 

            

 

            

 

            

 

 6

4.2.1

  Automatic Equalization Charging

           

 

            

 

            

 

            

 

            

 

            

 

 6

4.2.2

  Manual Equalization Charging

    

              

 

            

 

            

 

            

 

            

 

            

 

 6

4.3

  12V DC Load Terminal- Control Mode

            

 

            

 

            

 

            

 

            

 

            

 

 6

4.3.1

  Low Voltage Disconnect (LVD)

              

 

            

 

            

 

            

 

            

 

            

 

 6

4.3.2

  Low Voltage Reconnect (LVR)

   

              

 

            

 

            

 

            

 

            

 

            

 

 6

4.3.3

  Night-Light Mode Programs

       

 

            

 

            

 

            

 

            

 

            

 

            

 

 6

4.4

  Temperature Sensor (Optional)

               

 

            

 

            

 

            

 

            

 

            

 

            

 

 8

4.5

  Over Temperature Protection

     

              

 

            

 

            

 

            

 

            

 

            

 

            

 

 8

5. Remote Signal Terminal (Optional)          

 

            

 

            

 

            

 

            

 

            

 

            

 

 8

Summary of Contents for SBC-6108

Page 1: ...ype Lead Acid Battery 4 3 4 2 Select the Auto Equalization charging and Night Light Mode 4 4 PV Charge Control Mode 5 4 1 3 Stage Charge Control 5 4 2 Equalization Charging Mode Automatic or Manual 6 4 2 1 Automatic Equalization Charging 6 4 2 2 Manual Equalization Charging 6 4 3 12V DC Load Terminal Control Mode 6 4 3 1 Low Voltage Disconnect LVD 6 4 3 2 Low Voltage Reconnect LVR 6 4 3 3 Night Li...

Page 2: ... with plastic tape or vinyl dip coating material Specifications SBC 6100 Series Models 6108 6112 6120 Battery voltage 12V Maximum PV panel open circuit voltage 26V Continuous load charge current 8A 12A 20A Maximum charge current 5 mins 10A 15A 25A Maximum load current 5 mins 10A 20A 25A Operation current no Load and no PV 30mA Voltage across terminals PV to Battery 0 6V 0 6V 0 8V Voltage across te...

Page 3: ...age Charge Control Bulk Absorption Float to allow battery be left unattended for long period Over Temperature Protection Night Light Mode 10 selections Short Circuit Protection at load terminal Battery Reverse Polarity Protection at Battery Connection Terminal Tri Color LED indication of system and battery conditions Optional Temperature Sensor for compensated battery charging Optional Remote Sign...

Page 4: ...arge Controller should be installed in a dry sheltered location away from sources of high temperature and moisture 3 2 LED Indicator Red Flashing Battery Voltage is lower than 12 6V Constant Red Battery Voltage has reached Low Voltage Disconnect LVD Constant Green Battery Voltage is higher than 12 6V Green Flashing Battery Voltage has reached Bulk Charging Setting Fully Charged Orange Flashing Bat...

Page 5: ... table 5 Table 3 Preset values of the adjustable parameters 3 4 1 Bulk Voltage Setting for Sealed and Wet type Lead Acid Battery The bulk voltage of sealed gel type and wet type lead acid battery are different The preset Bulk Setpoint 14 3V is for typical Sealed Gel type Lead Acid Battery The Dip switch 3 is set to OFF position For typical Wet type Lead Acid Battery set the Dip switch 3 to ON posi...

Page 6: ...or and PWM Pulse Width Modulation to give optimal and safe charging It makes varying On Off pulses of electrical energy from the photovoltaic PV panel in charging the battery according to the battery state It has 3 stages of charging as follows a BULK CHARGE At this mode a preset maximum constant amount of current amps is fed into the battery as no PWM is present As the battery is being charged up...

Page 7: ...ing equalization charge it can be stopped any time by pressing the Reset button once and the controller will return to the charging mode before the Equalization charge 4 2 2 Manual Equalization Charging Set the Night Light Mode dip switch 1 to off position Press and hold the Reset button for 10seconds and the equalization charge will go on for two hour During equalization charge it can be stopped ...

Page 8: ...ad remain turned off X Hours On Load is turned on for X hours after sunset Y OFF Z Load is turned on after for Y hours after sunset turned off during the night then turned on again Z hours before sunrise Dusk to Dawn Load is turned on all night Measure Night Length The load timer options that turn the load on again before sunrise require that the PV charge controller to measure the length of the n...

Page 9: ... Protection The operation temperature of the transistors of the PV Charge Controller is also continuously monitored If excessive temperature is detected the charge controller transistors will repeatedly and rapidly turn On and Off to reduce the charging rate so as to reduce the transistors temperature In case the charging current from the solar panel is reduced to zero and over temperature conditi...

Page 10: ...e Pin 6 4 Shows the battery status Red LED See Section 3 2 Pin 8 4 Shows the battery status Green LED See Section 3 2 Table 7 Pins configuration Note Pin 3 and 5 are not used in Remote Signal Terminal Rev 1 0 12 2004 7673 6112 0563 Figure 6 1 Open the case of the controller there should be a small control board near the Remote Signal Terminal as shown in figure 5 2 On the small control board there...

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