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 M2 Series Micro-inverter

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

SAFETY  

INSTRUCTIONS

 

 
 

1.1 Scope of Application 

 

This  User Manual describes  instructions  and  detailed procedures  for  installing, operating,  maintaining, and 
troubleshooting of the following SAJ products: 

M2-1.8K-S4;     M2-2K-S4;     M2-2.2K-S4;     M2-2.25K-S4;      

 

 

1.2 Safety Instructions 

  DANGER 

·

 DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. 

 

  WARNING 

·

WARNING indicates a hazardous situation which, if not avoided, can result in death or serious injury or moderate injury. 

 

  CAUTION 

·

 CAUTION indicates a hazardous condition which, if not avoided, can result in minor or moderate injury. 

 

   NOTICE 

·

 NOTICE indicates a situation that can result in potential damage, if not avoided. 

 

 
1.3 Target Group  

 

Only qualified electricians who have read and fully understood all safety regulations contained in this manual 
can install, maintain and repair the device. Operators must be aware of the high-voltage device. 

1

Summary of Contents for M2 Series

Page 1: ...www saj electric com Add SAJ Innovation Park No 9 Lizhishan Road Science City Guangzhou High tech Zone Guangdong P R China GUANGZHOU SANJING ELECTRIC CO LTD M2 Series MICRO INVERTER USER MANUAL M2 1 8...

Page 2: ...ble shooting and safety Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and wholehearted service Customer orientation is our forever commitmen...

Page 3: ...re 14 3 4 1 Installation Tools 15 3 4 2 Mounting Procedures 16 Chapter 4 Electrical Connection 17 4 1 Safety Instruction 18 4 2 Specifications for Electrical Interface 18 4 3 AC Side Cable Connection...

Page 4: ...in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided can result in death or serious injury or moderate injury CAUTION CAUTION indicates a hazardous condition...

Page 5: ...nnel who have full knowledge of local safety regulations and local standards on batteries can install maintain retrieve and process this product SAJ Electric shall not be liable for any loss or warran...

Page 6: ...DC electricity generated by solar panels into AC electricity which is in accordance with the requirements of the public grid and sends the AC into the grid reducing the load pressure of the grid Figu...

Page 7: ...le Power STC Range Wp 400 700 Peak Power Tracking Voltage V 35 50 Operating Voltage Range V 16 55 Maximum Input Voltage V 60 Maximum Input Current A 20 x 4 Back Feed Current A 0 Overvoltage Category O...

Page 8: ...o 60 45 to 60 with derating Communication Wi Fi Bluetooth Cooling Method Natural Convection Ambient Humidity 0 100 non condensing Altitude 2000m Noise dBA 20 Ingress Protection IP67 Dimensions W x H x...

Page 9: ...ons 3 2 Pre installation Check 3 2 1 Check the package Although SAJ s inverters have thoroughly tested and checked before delivery it is uncertain that the inverters may suffer damages during transpor...

Page 10: ...e consider the solidity of the wall or the rail including accessories Make sure the wall or the rail has enough strength to hold the screws and bear the weight of products Please ensure the mounting b...

Page 11: ...tective gloves Dust mask Earplugs Goggles Insulated shoes Heat shrink tubing Heat gun Hammer drill Drill bit 10 Rubber mallet Phillips screwdriver Wrench 3 4 2 Mounting Procedures Step 1 Plan and inst...

Page 12: ...cians in accordance with local and national electrical standards and regulations WARNING When the photovoltaic array is exposed to light it supplies a DC voltage to the inverter Ensure that all AC cab...

Page 13: ...nes to port L and port N Figure 4 3 Split phase power grid 2 If the micro inverter is connected to 230 400V three phase WYE power grid connect the live line to port L and connect the neutral line to p...

Page 14: ...tor wiring For multi machine system prepare and install AC cables Use AC cables to connect the microinverters to the distribution box 1 Use the AC trunk connector unlock tool to align the slot on the...

Page 15: ...and then connect it to the local power grid 3 If there is an empty port on the bus box please insert the main cable protective cover into the empty port to ensure that the connector is dust proof and...

Page 16: ...s Figure 4 19 Multi machine PV connection Grid Figure 4 20 Single machine PV connection NOTICE If there are more than one installation site please make the installation map separately and give a clear...

Page 17: ...at start up The definition of LED is shown as below Status Indicates Green Solid Working normally Green Breathing Standby Waiting Red Flashing 1 Unable to connect Red Solid Fault Red Breathing Upgrad...

Page 18: ...r first a Click Register Choose whether you are an owner or an installer or distributor b Follow the instructions on the screen to complete the registration 4 Use the account and password to log in to...

Page 19: ...then click on Next Step 3 Select your device and click WiFi Configuration Step 4 Select your WiFi and enter the WiFi passwords then choose your correct router Step 5 Click the right arrow of your devi...

Page 20: ...r Me Step 2 Fill in the inverter SN click the button to read the device information then click Next Step 3 Fill in the plant basic information and then enter the Plant list page Step 4 Click on the pl...

Page 21: ...inverter If this fault appears continuously please contact the SAJ service 5 Frequency Config Error Please check whether the safety regulations are selected correctly Disconnecting the AC and DC switc...

Page 22: ...e selected correctly After disconnecting the AC switch for 5 minutes close the AC switch and restart the inverter If this fault appears continuously please contact the SAJ service 18 Master Grid Frequ...

Page 23: ...ling facility in your area Contact SAJ Guangzhou Sanjing Electric Co Ltd SAJ Innovation Park No 9 Lizhishan Road Guangzhou Science City Guangdong P R China Postcode 510663 Web http www saj electric co...

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