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MPPT Solar Charge Controller 

  User’s Manual 

 

For Model #: 

M48120 

 

Version 2.1 (PN:M48120211116) 

 
 

 

 

Manufacturer Information 

Sigineer Power Limited 

Email: [email protected] 

TEL: +86 769 82817616 

US Warehouse: 4415 S 32nd St, Phoenix AZ 85040 

Please  record  the  Sigineer  Power  unit’s  model  and  serial  number  in  case  you  need  to  provide  this 
information in the future. It is much easier to record this information now than try to gather it after 
the unit has been installed. 
Order Number:  

 

 

 

         

 

 

Model Number:  

 

 

 

         

 

 

Serial Number:   

 

 

 

 

 

 

 

 

Summary of Contents for M48120

Page 1: ...sigineer com TEL 86 769 82817616 US Warehouse 4415 S 32nd St Phoenix AZ 85040 Please record the Sigineer Power unit s model and serial number in case you need to provide this information in the futur...

Page 2: ...vent fire or explosion do not install in compartments containing batteries or flammable materials or in locations which require ignition protected equipment This includes any space containing gasoline...

Page 3: ...formation 2 Introduction 2 1 General Information Thank you for purchasing the M48120 Solar Charger This MPPT solar controller is an advanced maximum power point tracking solar battery charger The cont...

Page 4: ...Solar inverter to expand capaicty 3 Installation 3 1 Location Follow all the local regulations to install the charger Please install the equipment in a location of Dry Clean Cool with good ventilation...

Page 5: ...3 3 Battery Wiring CAUTION For safety operation and regulation compliance it s requested to install a separate DC over current protector or disconnect device between battery and controller It may not...

Page 6: ...ted to positive and negative must be connected to negative Recommended cable size Model Copper Wire Type Recommended Size Minimum Size M4860 Copper 5AWG 6AWG M4880 Copper 4AWG 5AWG M48100 Copper 3AWG...

Page 7: ...st before you choosing the battery model Connecting the communication port between the controller and battery Make sure the lithium battery BMS port connects to the controller is Pin to Pin the contro...

Page 8: ...8 There will be 2 options to connect with inverter in Program 08 Set to mode CL1 if you select RS485 communication set to CL2 if you select CAN communication Details as below User Defined 2 Suitable...

Page 9: ...set as the same for the inverter and controllers PV Connection CAUTION Before connecting to PV modules please install separately a DC circuit breaker between controller and PV modules WARNING All wir...

Page 10: ...the wire Insert the wire into the ring terminal and crimp the edges by tools Then connect the wire to the PV Input port PV of the controller Also use the same method to connect the PV Input port PV Ma...

Page 11: ...ltage battery voltage charging current etc Configuration Program and Fault Information Indicates the setting programs Warning flashing with warning code Fault lighting with fault code System Status In...

Page 12: ...Default 60A 10A 60A Settable If Li is selected in program 2 this program can t be set up 02 Battery type AGM default Flooded User Defined If User Defined is selected battery charge voltage and low DC...

Page 13: ...e 12V mode default 13 5V 12 0V 14 6V Settable If Li is selected it can t be set up 07 Low DC cut off voltage 48V mode default 42 0V 40 0V 48 0V Settable 24V mode default 21 0V 20 0V 24 0V Settable 12V...

Page 14: ...Increment of each click is 1 min 14 Equalization interval Setting range is from 1 to 30 days Increment of each dick is 1 day 15 Equalization activated immediately If equalization function is enabled...

Page 15: ...y The selectable information is switched as below order Setting Information LCD display Charging voltage Battery charging discharging current Battery charging discharging power Battery temperature sen...

Page 16: ...PV generated current For 48V60 48V60 M and 48V80 48V80 M For 48V100 48V100 M and 48V120 48V120 M PV generated power Total PV generated energy PV controller temperature Battery level Battery SOC 42...

Page 17: ...battery than at the top Equalization also helps to remove sulfate crystals that might have built up on the plates If left unchecked this condition called sulfation will reduce the overall capacity of...

Page 18: ...n in the Equalize stage until setting battery equalized time is arrived However in Equalize stage when battery equalized time is expired and battery voltage doesn t rise to battery equalization voltag...

Page 19: ...rnal temperature of controller component is over 90 C Check whether the air flow of the unit is blocked or whether the ambient temperature is too high Fault code 03 Battery is over charged Return to r...

Page 20: ...voltage high temperature protection Battery Charging Battery Type Sealed AGM Gel Flooded Lithium User define Charging Algorithm Bulk Absorption Float Equalize Bulk charge voltage Sealed 14 4V AGM Gel...

Page 21: ...Specifications in this manual are subject to change without prior notice SAVE THIS MANUAL READ THIS MANUAL BEFORE INSTALLATION IT CONTAINS IMPORTANT SAFETY INSTALLATION AND OPERATING INSTRUCTIONS KEEP...

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