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40 

 

16-2. Fault Reference Codes 

When a fault occurs, the icon 

 will flash as a reminder. See below for fault codes 

for reference. 
 

Code 

Fault Event 

Possible cause 

Solution 

01 

Bus voltage over 

Surge 

1. Restart the inverter. 
2. If the error message still 
remains, please contact your 
installer. 

02 

BUS voltage under  PV or battery 

disconnect 
suddenly 

1. Restart the inverter 
2. If the error message still 
remains, please contact your 
installer. 

03 

BUS soft start 
time out 

Internal 
components 
failed. 

Please contact your installer. 

04 

INV soft start time 
out 

Internal 
components 
failed. 

Please contact your installer. 

06 

R SCR Close Fault 

Internal 
components 
failed. 

Please contact your installer. 

07 

S SCR Close Fault 

08 

T SCR Close Fault 

09 

Solar Power abnor 

Solar input 
voltage is too 
high 

1. Please check if solar input 
voltage is higher than 950V. 
2. Please contact your installer. 

11 

Solar IP Curr over 

Surge 

1. Restart the inverter. 
2. If the error message still 
remains, please contact your 
installer. 

17 

Mcu&Dsp com 
loss 

Firmware 
version not 
compatible 

please contact your installer. 

18 

Mcu&Dsp ver 
error 

22 

Bat volt over 

Battery voltage 
exceeds the 
limit. 

1. Check the battery voltage. 
2. If the error message still 
remains, please contact your 
installer. 

23 

Over load 

The inverter is 
loaded with 
more than 
110% load and 
time is up 

Reduced the connected load by 
switching off some equipment. 
 

Summary of Contents for Premium SP20000

Page 1: ...Solar Hybrid 3Phase PV Inverter SP20000 Premium Version 1 0 User Manual...

Page 2: ...onnection 10 8 Load AC Output Connection 11 8 1 Preparation 11 8 2 Connecting to the AC output 11 9 Communication 12 10 Dry Contact Signal 13 10 1 Electric Parameter 13 11 Commissioning 14 12 Initial...

Page 3: ...power to feed the grid utility and charge battery This inverter is only compatible with PV module types of single crystalline and poly crystalline Do not connect any PV array types other than these tw...

Page 4: ...be ungrounded and energized when a ground fault is indicated WARNING This inverter is heavy It should be lifted by at least two persons CAUTION Authorized service personnel should reduce the risk of...

Page 5: ...low been dropped or otherwise damaged in any way If the Inverter is damaged please call for an RMA Return Material Authorization CAUTION AC breaker DC switch and Battery circuit breaker are used as di...

Page 6: ...tware CD Manual USB cable RS 232 cable 3 2 Product Overview 1 PV connectors 2 AC Grid connectors 3 Battery connectors 4 AC output connectors Load connection 5 RS 232 communication port 6 USB communica...

Page 7: ...nverter Step 3 Take off front foot of the pallet Step 4 Then lean the pallet to remove by removing screws as shown in chart the inverter from the pallet NOTE Before installation please inspect the uni...

Page 8: ...nts before selecting where to install It s requested to have a clearance of approx 80 cm to the front and back of the unit and approx 50 cm to the side Dusty conditions on the unit may impair the perf...

Page 9: ...ge Cable Size Ring Terminal Torque Value Cable mm2 Dimensions D mm L mm SP20K Premium 40A 8AWG 8 5 3 23 8 2 0 2 4Nm 5 2 Connecting to the AC Utility 1 Before making AC input connection be sure to open...

Page 10: ...ut voltage of PV array modules The acceptable input voltage of the inverter is 350VDC 900VDC This system is only applied with two strings of PV array Please make sure that the maximum current load of...

Page 11: ...cs 11pcs in serial x 11pcs 2750W x 11pcs in serial 11pcs 2750W 11pcs in serial 11pcs in serial 22pcs 5500W 11pcs in serial 2 parallel x 22pcs 5500W x 11pcs in serial 2 parallel 22pcs 5500W 18pcs in se...

Page 12: ...ety and efficient operation to use appropriate cable for battery connection To reduce risk of injury please use the proper recommended cable size as below Model Typical Amperage Cable Size Ring Termin...

Page 13: ...to the AC output 1 Before making AC output connection be sure to open DC protector or disconnector first 2 Remove the terminal screws 3 Insert the ring terminal of AC input wires flatly into AC input...

Page 14: ...odbus card Follow below procedure to connect communication wiring and install the software For RS232 port you should use a DB9 cable as follows For USB port you should use a USB cable as follows For S...

Page 15: ...used to remote control for external generator 10 1 Electric Parameter Parameter Symbol Max Unit Relay DC voltage Vdc 30 V Relay DC current Idc 1 A Note The application of the dry contact should not e...

Page 16: ...turned on already However there is no output generation for loads Then If LCD lights up to display the current inverter status commissioning has been successfully After pressing ON button for 1 secon...

Page 17: ...h backup Grid Tie and Off Grid Grid tie with backup PV power can feed in back to grid provide power to the load and charge battery There are four options available in this mode Grid tie with backup I...

Page 18: ...duration is set up as 0 00 00 00 it means no time limitation for AC to charge battery AC output ON Off Timer Set up on off time for AC output of inverter If setting it as 00 00 00 00 this function is...

Page 19: ...ad supply source PV is unavailable When Battery is higher priority than Grid in Load supply source PV is unavailable this option is default selected Under Grid tie mode this option is invalid Allow ba...

Page 20: ...it s not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is not available 1 1st Grid 2nd Battery Default Grid will pro...

Page 21: ...ficient battery power will provide power to the load When battery power is running out or not available grid will back up the load 2 1st PV 2nd Grid 3rd Battery PV power will provide power to the load...

Page 22: ...y 3 None It is not allowed to charge battery no matter it s PV power or grid Load supply source When PV power is available 1 1st PV 2nd Battery 3rd Grid PV power will provide power to the load first I...

Page 23: ...tery charging source PV only Only after PV power fully supports the load the remaining PV power is allowed to charge battery during peak time Load supply source 1st PV 2nd Battery 3rd Grid PV power wi...

Page 24: ...supply source 1st PV 2nd Grid 3rd Battery When battery is fully charged remaining PV power will provide power to the load first If PV power is not sufficient grid will back up the load If grid power i...

Page 25: ...loads it will charge battery first Only until PV power is not available grid will charge battery Default 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge batte...

Page 26: ...under this mode At the same time the grid relay is connected in Inverter mode That means the transfer time from inverter mode to battery mode will be less than 15ms Besides it will avoid overload faul...

Page 27: ...load first and then charge battery Feed in to the grid is not allowed under this mode The grid relay is NOT connected in Inverter mode That means the transfer time from inverter mode to battery mode...

Page 28: ...not available 1 1st Grid 2nd Battery Grid will provide power to the load at first If grid is not available battery power will provide power backup 2 1st Battery 2nd Grid Battery power will provide po...

Page 29: ...ates AC input voltage or frequency Vac voltage Hz frequency L1N L2N L3N Line phase Indicates AC output power voltage frequency or load percentage KVA apparent power KW active power Vac Voltage Load pe...

Page 30: ...rge Icon flashing indicates the battery voltage is too low Indicates AC output for loads is enabled and inverter is providing power to the connected loads Indicates AC output for loads is enabled but...

Page 31: ...curs the buzzer will continuously sound You may press any button to mute it 13 4 Query Menu Operation The display shows current contents that have been set The displayed contents can be changed in que...

Page 32: ...30 Frequency voltage power or percentage of AC output Procedure Input voltage or power of PV input Procedure...

Page 33: ...31 Battery voltage or percentage Procedure Date and time Procedure...

Page 34: ...r Inverter mode with grid connected This inverter is connected to grid and working with DC INV operation LCD Display Description PV power is sufficient to charge battery provide power to loads and the...

Page 35: ...isabled to generate power to the loads via AC output PV power is sufficient to charge battery first Remaining PV power will feed in back to grid This inverter is disabled to generate power to the load...

Page 36: ...connected This inverter is working with DC INV operation and not connecting to the grid LCD Display Description PV power is sufficient to charge battery and provide power to the connected loads PV pow...

Page 37: ...ailable to provide power to connected loads Standby mode The inverter is working without DC INV operation and load connected LCD Display Description This inverter is disabled on AC output or even AC p...

Page 38: ...36 If PV battery or utility icons are flashing it means they are not within acceptable working range If they are not displayed it means they are not detected...

Page 39: ...wn to 2 Amp Third stage go to floating charging at 432V This inverter can connect to battery types of sealed lead acid battery vented battery gel battery and lithium battery The detail installation an...

Page 40: ...supervised by personnel knowledgeable about batteries and the required precautions When replacing batteries replace with the same type and number of batteries or battery packs The following precaution...

Page 41: ...tage is too high 02 Line voltage low loss Grid voltage is too low 03 Line frequency high loss Grid frequency is too high 04 Line frequency low loss Grid frequency is too low 05 Line voltage loss for l...

Page 42: ...your installer 06 R SCR Close Fault Internal components failed Please contact your installer 07 S SCR Close Fault 08 T SCR Close Fault 09 Solar Power abnor Solar input voltage is too high 1 Please che...

Page 43: ...is connected well and remove abnormal load 2 If the error message still remains please contact your installer 41 Inv S Short 42 Inv T Short 43 Inv R S short 44 Inv S T short 45 Inv T R short 46 Trans...

Page 44: ...5 A per phase Inrush Current Duration 17 A per phase 20ms Maximum Output Fault Current Duration 51 A per phase 1ms Maximum output Overcurrent Protection 51 A per phase Power Factor Range 0 9 lead 0 9...

Page 45: ...t RS 232 USB Intelligent Slot Optional SNMP Modbus and AS 400 cards available ENVIRONMENT Protective Class I Ingress Protection Rating IP20 Humidity 0 90 RH No condensing Operating Temperature 10 to 5...

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