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After diagnostic test, the load is supplied by the inverter; if the diagnostic test fails, the
error messages will be shown as below.

ERROR MESSAGES

CHARGER FAILURE
SHUT DOWN

BAD BATTERY
SHUT DOWN

DC BUS FAILURE
SHUT DOWN

INVERTER FAILURE
SHUT DOWN

OUTPUT FAILURE
SHUT DOWN

FAN FAILURE
SHUT DOWN

CHARGER FAILURE

INVERTER FAILURE

OUTPUT FAILURE

FAN FAILURE

BAD BATTERY

DC BUS FAILURE

Power Off Inverter

Press the ”OFF” button on front control panel to disable the inverter:



If the AC input power exists, the UPS will be switched to BYPASS mode.



If the UPS is in backup mode, the message ”UPS OFF WAITING” will be displayed on LCD

about thirty seconds then disappear.



Before removing the battery connect wire, please wait until the message “UPS OFF

WAITING” displayed on LCD disappears.

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Summary of Contents for N-12K

Page 1: ...ONLINE N series 6 10KVA USER MANUAL Uninterruptible Power Supply ...

Page 2: ...ANDLING 12 5 OPERATION 13 5 1 POWER ON OFF INVERTER 13 5 2 LCD FUNCTION SELECTION SWITCH 15 5 3 PARAMETER SET UP MODE 16 5 4 OPERATION ON BYPASS VOLTAGE BEYOND ALLOWABLE RANGE 18 5 5 OVERLOAD AND SHUTDOWN OPERATION 18 5 6 VERIFYING THE BATTERY STATUS 19 5 7 OPERATION OF MANUAL BYPASS SWITCH 19 6 COMMUNICATION INTERFACE 20 6 1 RS232 INTERFACE 20 6 2 REMOTE EMERGENCY POWER OFF 20 6 3 DRY CONTACT 21 ...

Page 3: ... the battery fuse holder which is located at the rear panel of the UPS Isolate Uninterruptible Power Supply UPS before working on the circuit A readily accessible disconnect device shall be incorporated in the fixed wiring HIGH LEAKAGE CURRENT Earth connection essential before connecting power source Federal Communications Commission Interference Statement This equipment has been tested and found ...

Page 4: ...compliance with the following standards provides the conformity EN 62040 1 1 EN 62040 2 CLASS A IEEE C62 41 Category B IEC 61000 2 2 IEC 61000 4 2 LEVEL3 IEC 61000 4 3 LEVEL3 IEC 61000 4 4 LEVEL4 IEC 61000 4 5 LEVEL4 IEC 61000 4 6 IEC 61000 4 8 CNS 14843 1 CNS 13438 CLASS A SYMBOL PROTECTIVE GROUNDING TERMINAL A TERMINAL WHICH MUST BE CONNECTED TO EARTH GROUND PRIOR TO MAKING ANY OTHER CONNECTION ...

Page 5: ...an provide detailed information on operation status Manual and static bypass switch forms Allowance for switching to the main power supply Static bypass supply circuit incorporates functions such as surge suppression and EMI filter Remote emergency power off REPO Emergency shutdown control through the remote emergency power off REPO port Auto recovery function of inverter When the AC power is rest...

Page 6: ...tput battery and charger Refer to 5 2 In ON LINE and ECONOMIC modes pressing the up button for more than 3 seconds can detect the battery capacity NOTE If the UPS is in alarm status pressing the up or down button for more than 3 seconds can disable the buzzer 4 BACKLIT LCD DOT MATRIX DISPLAY 16 2 character display indicates the operating status of I P and O P voltage and battery voltage 5 NORMAL L...

Page 7: ...Display any abnormality condition happened on UPS 2 3 REAR CONTROL PANEL 5 11 10 6 1 4 2 5 8 7 9 3 6KVA EMERGENCY 240VDC 20A AC BREAKER INPUT MANUAL BYPASS POWER OFF CONTACT DRY RS 232 SNMP BATT NO ...

Page 8: ...6 240VDC 40A RS 232 SNMP BATT NO EMERGENCY POWER OFF DRY CONTACT MANUAL BYPASS 12KVA MANUAL BYPASS 240VDC 40A RS 232 CONTACT EMERGENCY DRY POWER OFF SNMP BATT NO 11 9 8 7 4 1 6 10 5 3 2 ...

Page 9: ...Connect to external battery cabinet to extend the backup time 5 AC INPUT BREAKER Provides safe protection for UPS AC input 6 EXHAUST FANS For cooling air ventilation of UPS 7 REMOTE EMERGENCY POWER OFF For more details refer to Chapter 6 8 TRUE RS232 INTERFACE PORT For more details refer to Chapter 6 9 DRY CONTACT INTEERFACE PORT For more details refer to Chapter 6 10 SNMP CARD OPTIONAL For more d...

Page 10: ... Hz Programmable 3 5 Input Protection Circuit Breaker 40A 1 pole x 1 63A 1 pole x 1 4 Output 4 1 Output Voltage RMS Voltage 120V 220Vac single phase Static Regulation 2 4 2 Harmonic Distortion 5 4 3 Overload Capability 102 Continuous 102 125 1 Minute 125 150 30 Seconds 150 Immediate 4 4 Overload Release 90 5 Rated Load 4 5 Inverter Short Circuit Protection Current 90A 150A 4 6 Short Circuit Protec...

Page 11: ...h x 20PCS 3 Minutes 8400W 12V 9Ah x 20PCS 6 Operation 6 1 Transfer Time On line Mode Main Power Failure 0ms Main Power Recover 0ms Inverter To Bypass 1ms Bypass To Inverter 1ms Economy Mode Main Power Recover 0ms Inverter To Bypass 1ms Bypass To Inverter 1ms Main Power Failure 8ms Typical 6 2 Audible Noise 53 dBA 65 dBA 7 Indications 7 1 LED Status Mimic Diagram Normal Battery Bypass Fault 7 2 LCD...

Page 12: ...B Battery Cabinet Weight 180KG 396LB 12 Environment 12 1 Ambient Operating Temperature 0o C 40 o C 32 o F 104 o F 12 2 Ambient Storage Temperature 20 o C 40 o C 4 o F 104 o F 12 3 Relitive Humidity 5 95 H 13 Standards 13 1 CNS 14843 1 Yes 13 2 CNS 13438 Class A Yes 13 3 IEEE C62 41 Category B Yes 13 4 EN62040 1 1 Yes 13 5 EN62040 2 Class A Yes 13 6 IEC 61000 2 2 Yes 13 7 IEC 61000 4 2 Level 3 Yes ...

Page 13: ...h batteries for a short period Maximum period for battery storage 6 months at 20 C or 3 months at 30 C Eight hours of charging time is needed when the UPS is charged for the first time If battery capacity still remains low after recharging for 8 hours contact your dealer to replace the batteries If the UPS is to be powered off for a long period it is recommended that the UPS should be switched on ...

Page 14: ...ing with suggested suitable conduit and bushing as below Conduit Flexible metal conduit sized one inch Bushing Overall diameter is 40 5mm height is 13 1mm Input and Output Connection When connecting the cable please note that 1 Before connecting turn off the UPS and cut off AC power and battery 2 Ensure the cable is fitted The minimum tightening torque shall not be less than 35 lbs with a cable sl...

Page 15: ...1 2 or Fig 1 3 The UPS should always have a clearance space of 300mm at the rear and 100mm on its side Refer to Fig 4 12 Fig 1 Fig 2 10 cm UPS 30cm First change the direction and fixed of L type metal then revolve screw plastic foots to ground Remove the screws First change the direction and revolve screw plastic foots on side of L type metal then to fixed L type metal on ground Fig 3 Fig 4 ...

Page 16: ...agnostic test and shows the results on the back lit LCD display as shown below DIAGNOSIS MODE AC START BATTERY START DIAGNOSTIC MODE FREQ OUT XXHZ DIAGNOSTIC MODE FREQ OUT XXHZ DIAGNOSTIC MODE INPUT XXXV XXHZ DIAGNOSTIC MODE RECTIFIER OK DIAGNOSTIC MODE BATTERY OK DIAGNOSTIC MODE DC BUS OK DIAGNOSTIC MODE TESTING INVERTER ON BATTERY LOAD XXX X XXKW DIAGNOSTIC MODE INPUT XXXV XXHZ DIAGNOSTIC MODE R...

Page 17: ...UT DOWN CHARGER FAILURE INVERTER FAILURE OUTPUT FAILURE FAN FAILURE BAD BATTERY DC BUS FAILURE Power Off Inverter Press the OFF button on front control panel to disable the inverter If the AC input power exists the UPS will be switched to BYPASS mode If the UPS is in backup mode the message UPS OFF WAITING will be displayed on LCD about thirty seconds then disappear Before removing the battery con...

Page 18: ...LECT KEY PRESS SELECT KEY PRESS SELECT KEY PRESS SELECT KEY CHRG XXXV FLOAT BOOST PRESS SELECT KEY IN XXXV XX XHz ECONOMY MODE ECONOMY MODE ECONOMY MODE ECONOMY MODE ECONOMY MODE ECONOMY MODE OPERATION IN ON LINE MODE OPERATION IN BATTERY MODE LOAD XXX X XXKW BYPS XXXV XX XHz PRESS SELECT KEY OUT XXXV XX XHz BATT XXXV XXX PRESS SELECT KEY PRESS SELECT KEY PRESS SELECT KEY CHRG XXXV FLOAT BOOST PRE...

Page 19: ... SELECT FREQUENCY 50HZ SCROLL SELECT Ret ur n Ret ur n Sel ect out put vol t age Ret r un t o s et i ni t i al Sel ect out put vol t age Ret r un t o s et i ni t i al Sel ect out put vol t age Ret r un t o s et i ni t i al Sel ect economy mode Ret ur n t o s et i ni t i al Sel ect out put f r equency Ret ur n t o s et i ni t i al ECONOMY MODE SCROLL SELECT ECONOMY ON SCROLL SELECT ECONOMY OFF SCRO...

Page 20: ...T BATTERY 00Ah SCROLL SELECT BATTERY 60Ah SCROLL SELECT Sel ect out put f r equency Ret ur n t o s et i ni t i al Sel ect economy mode Ret ur n t o s et i ni t i al Ret ur n BATTERY 100Ah SCROLL SELECT BATTERY 160Ah SCROLL SELECT Sel ect out put f r equency Ret ur n t o s et i ni t i al Sel ect economy mode Ret ur n t o s et i ni t i al BATTERY 200Ah SCROLL SELECT Sel ect economy mode Ret ur n t o...

Page 21: ...X X XXKW 5 5 OVERLOAD AND SHUTDOWN OPERATION Overload Operation When the UPS detects an output overload it will commence a countdown The length of time depends on the severity of the overload If the UPS is still overloaded at the end of the countdown the UPS will automatically shut down and enter BYPASS mode Overload Condition LCD Display Message Countdown to Shutdown 102 125 Overload 102 Load XXX...

Page 22: ...tion the AC input power is directly supplied to the load CAUTION Activate manual bypass switch only when the UPS is in BYPASS mode BYPASS BYPASS NORMAL NORMAL STEP 1 Turn off the inverter power to switch the UPS to BYPASS Mode STEP 2 Switch from ON LINE to BYPASS STEP 3 Switch off the AC Input breaker on rear panel STEP 4 Remove the battery connect wire STEP 1 Insert the battery connect wire STEP ...

Page 23: ...Data Pin 5 GND Signal Ground Pin 7 PNP Signal Receiving Load level Battery status Battery level UPS mode Input voltage Output voltage Input frequency Temperature inside unit Set shut down delay time Enable Disable beeper Remote shut down Hardware Baud Rate 2400 bps Data Length 8 bits Stop Bit 1 bit Parity NONE 6 2 REMOTE EMERGENCY POWER OFF Pin Assignment of RJ11 1 2 3 4 5 6 X X 12V 2 1 3 4 5 6 If...

Page 24: ... contact table Pin State Pin 8 3 Pin 1 3 Pin 6 3 Pin 5 3 Pin 2 3 Normal Open Open Open Back up Close Low Battery Close Fault Close Bypass Close Open Inverter Open Close NOTE means the state may be Open or Close Pin Assignment REMOTE SHUTDOWN SIGNAL FROM NO NC COM NO NC COM Imin 3 3mA DC 12V 2 sec 12 V 0 3V NO COM NC LOW BATTERY EXTERNAL INVERTER BYPASS THE CAPACITY OF AC 250V 8A DRY CONTACT Fig 5 ...

Page 25: ...k interface is a powerful tool for remote control and UPS monitoring NOTE For more information on SNMP CARD contact your local dealer SNMP BATT NO 240VDC 35 6A RS 232 EMERGENCY POWER OFF DRY CONTACT BREAKER BYPASS INPUT MANUAL BYPASS 22 ...

Page 26: ...TERY PACK When the UPS is connected with Delta s standard battery packs you can detect the total battery capacity by linking the UPS to the battery pack NOTE This function can detect maximum two external battery packs 23 UPS BATTERY 1 BATTERY 2 ...

Page 27: ...www deltaww com ...

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