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1. Safety instructions 

1.1 UPS safety instructions 

●Before  applying  the  UPS  system,  Please  read  through  all  safety  information  and  operating  instructions 

carefully. It’s recommended to save this manual properly for future reading. 

●Do not install the UPS system near the water or in moist environments.   
●Do not install the UPS system where it would be exposed to direct sunlight or near the heater. 
●Place the UPS staying away from the wall for some distances, ensure enough space on each side of UPS, 
do not block ventilation holes in the UPS housing. Install it by following the instructions in the manual. 

●Please do not open the UPS case as you will, there is a high risk of electric shocks inside. 
●Do not connect to the equipment like hair dryer or electric heater, to ensure the safety for the UPS. 

●Do not use liquid extinguisher if there is a fire, a dry powder extinguisher is recommended. 

Attention: 

UPS has high voltage inside, for personal safety, please do not repair by yourself. If any questions, please 

contact local service center or dealer. 

1.2 Battery safety instructions 

●Battery life cycle will be shortened as environment temperature rise. Replacing battery periodically can help 
to keep UPS in normal state and assure backup time required. 
●Battery  replacement  should  be  done  by  authorized  technician.  If you want to replace the battery cable, 

please purchase it from our local service center or distributors to avoid fever and lighter which can cause 

fire from inadequate power capacity. 

●Batteries may cause electric shocks and have a high short-circuit current, for human being safety, please 
follow the specifications as below when replace the batteries: 

A. Remove wristwatches, rings and other metal objects 

B. Use only tools with insulated grips and handles 

C. Wear insulated shoes and gloves 

D. Do not put the metal tools or parts on the battery 

E. Before disconnecting the terminals on battery, please cut off all the loads to battery first. 

●Do not dispose of the batteries with fire so as to avoid explosion. 
●Don’t open the battery, electrolyte inside will do harm to eyes and skin. Please use plenty of clean water to 
wash if touching and go to see a doctor. 
●Do not connect the positive pole and negative pole directly, otherwise it cause electric shocks or will be on 
fire. 
●The  battery  circuit  is  not  isolated  from  the  input  voltage,  high  voltage  may  occur  between  the  battery 
terminals and ground, before touching, please verify no voltage is present.

 

2. Features 

2.1 Unpacking inspection

 

●Open  the  UPS package, please check the enclosed accessories including user manual, RS232 

communication cable, USB cable and CD-ROM.   

●Check the UPS if anything damaged in transport. If find something damaged or parts missing, do not power 

on, please turn to the carrier and dealer. 

●To determine whether this UPS is the model you want to buy. Check the model name showed both on the 

front panel and rear panel of UPS to confirm. 

Summary of Contents for EA906S

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Page 4: ...purchase it from our local service center or distributors to avoid fever and lighter which can cause fire from inadequate power capacity Batteries may cause electric shocks and have a high short circu...

Page 5: ...T OPEN EXCEPT QUALIFIED TECHNICIAN Input Breaker USB Parallel Port Intelligent Slot BAT_NTC RS232 EPO Manual Bypass Switch Fan Terminal Block INPUT BREAKER ON OFF WARNING HIGH LEAKAGE CURRENT EARTH CO...

Page 6: ...before used Once the AC mains power energizes the UPS it will automatically charge the battery Without prior charging UPS output remains as usual but with shorter back up time than normal When connect...

Page 7: ...n take all the load independently It allows isolation repairs for malfunctioning UPS and according to users own different requirements every single UPS could install manual maintenance bypass switch 3...

Page 8: ...GE CURRENT EARTH CONNECTION ESSENTIAL BEFORE CONNECTING SUPPLY Parallel system of two UPS wiring HIGH LEAKAGE CURRENT EARTH CONNECTION ESSENTIAL BEFORE CONNECTING SUPPLY USB EPO RS232 PARALLEL PORT IN...

Page 9: ...to a common terminal block Connect input cables of all UPS together to one common utility power terminal block I nput com m on t er m i nal bl ock U t i l i t y pow er suppl y O ut put com m on t er m...

Page 10: ...he system with mains power After inputting the mains power turn on any one UPS of system others will start by themself at same time All UPS will enter into Line mode Start the system without mains pow...

Page 11: ...can not connect 16 batteries to UPS if the UPS should be connected 20 units Please strictly follow the procedure of batteries connection or will get electric shocks 1 Set the battery switch at OFF pos...

Page 12: ...n1 and pin2 or there is a anther useful simple way is pulling it out 3 5 3 Intelligent card option This series High frequency online UPS supply a intelligent slot on rear panel it s for SNMP card dry...

Page 13: ...e switch if the UPS has this function When you need to maintain or repair the UPS online follow the procedure as below Open the maintenance bypass switch cover UPS will transfer to BYPASS mode automat...

Page 14: ...l board Note for long run type UPS there are two chargers users have to operate two charger board 4 Panel function and operation The operation is simple operators only need to read the manual and foll...

Page 15: ...TION SETTING KEY Non function setting mode Press and hold the key for more than 2 seconds Function setting interface Function setting mode Press and hold the key for more than half a second less than...

Page 16: ...ate ECO mode activate CUCF mode select an ID number and so on by operating function setting key and inquiring keys Mode display area A This area will display the power capacity of the machine after st...

Page 17: ...old the self test mute key for more than 1 second the buzzer stops beeping If you press and hold the self test mute key for one more second it will restart to beep again 4 6 Single UPS panel function...

Page 18: ...inquiring key for more than half a second less than 2 seconds to select the numerical value There are two Input methods the value 1 means single phase input the value 3 means three phase input The def...

Page 19: ...an 2 seconds then come to setting interface Press and hold the inquiring key for more than half a second less than 2 seconds select the function setting choose battery voltage setting interface at the...

Page 20: ...r OFF press and hold the function setting key for more than half a second less than 2 seconds Now the CF setting function is completed and the ON or OFF will light without flash Exit from the setting...

Page 21: ...ltage setting interface at the moment the letters Id will flash Enter the output voltage setting interface Press and hold the function setting key for more than half a second less than 2 seconds then...

Page 22: ...output frequency is 50Hz Load Display the numerical value of the active power WATT and apparent power VA of the load For example as the following graphics shows the WATT of the load is 9KW VA is 10KVA...

Page 23: ...what LCD displays depending on the exact load and battery capacity Turn to bypass mode under the following two conditions Turn off the UPS line mode while start the bypass output Overload in line mod...

Page 24: ...is on and the buzzer beeps UPS will turn to fault mode UPS cuts off the output and LCD display fault codes At the moment you can press the mute key to make the buzzer stop beeping temporarily to wait...

Page 25: ...ttery Bypass Fault 1 Inverter mode mains power Mains power voltage N Mains power high low voltage protection switch to battery mode One beep 4 sec 2 Battery mode Battery voltage normal One beep 4 sec...

Page 26: ...itions Note End user need to provide below information when require to maintain the UPS UPS Model No Serial No Date of fault occurrence Fault detail LED status noise AC power situation load capacity f...

Page 27: ...ase check the load level and disconnect the noncritical devices recount the total capacity of your load and reduce the load to the UPS Please check whether the load device has fault or not Fault LED o...

Page 28: ...tion When the output is short circuited the action of the protection of the UPS will show up Before turning off the UPS please make sure to disconnect the entire load and cut off the AC mains power su...

Page 29: ...zed with utility on AC mode 50 60 0 1Hz on battery mode Waveform Pure sine wave Crest Factor 3 1 Harmonic Distortion 2 Linear load 5 Non linear load Transfer Time AC mode to battery mode 0ms Inverter...

Page 30: ...ension mm W D H 355 682 615 H 359 687 822 S 359 687 717 H Net Weight kg 25 0 H 73 0 S 25 5 H 74 0 S 38 5 H 39 0 H Gross Weight kg 28 5 H 82 5 S 29 0 H 83 5 S 47 0 H 47 5 H Derate capacity to 70 in CUC...

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