1 Introduction Congratulations on your recent LEGRAND purchase! ATTENTION It is necessary to read the whole manual carefully before doing any operation. DAKER DK Plus must be used only in residential, commercial industrial environments. The following diagram illustrates the architecture of the UPS system: The major modules consist of: •...
Manufacturer, by photocopy- ing or other systems, including by electronic scanning, violates copyright conditions and may lead to prosecution. LEGRAND reserves the copyright of this publication and prohibits its reproduction wholly or in part without previous written authorisation.
Do not open up, dismantle, alter or modify the device except where specifically required to do so by the instructions. All Legrand products must be opened and repaired ex- clusively by personnel trained and approved by Legrand. Any unauthorised opening or repair completely cancels all liabilities and the rights to replacement and guarantees.
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DAKER DK Plus 1 kVA - 3 kVA The likelihood of such shock can be reduced if such grounds are removed during installa- tion and maintenance (applicable to equipment and remote battery supplies not having a grounded supply circuit). CAUTION: Do not dispose of batteries in a fire. The batteries may explode. CAUTION: Do not open or mutilate batteries.
DAKER DK Plus 1 kVA - 3 kVA Rack configuration setup INDICATION For the rack configuration setup it is also possible to use the rack support bracket kit 3 109 52. In this case, follow the instruction sheet contained in the kit.
DAKER DK Plus 1 kVA - 3 kVA Rear panel 1. Emergency Power Off (EPO) 2. USB port 3. RS-232 port 4. Cooling fans 5. External battery connector 6. SNMP slot 7. AC input inlet 8. Input circuit breaker 9. Output circuit breakers 10.
3 Installation Installation procedure WARNING Read the safety instructions on chapter 2 before installing the UPS. 1. Position the UPS so that the cooling fans are not obstructed, as visible in the following figure: 2. Connect the IEC input and output cables provided to the appropriate inlet and outlets. 3.
DAKER DK Plus 1 kVA - 3 kVA 4 Operation Control Panel 4.1.1 LCD Panel ITEM DESCRIPTION Display The steady green LED indicates that the mains voltage is within the admittable input voltage range The green LEDs indicate that the programmable outlets 1 and 2 are activated The green LED blinks if the UPS is in bypass mode.
DAKER DK Plus 1 kVA - 3 kVA Operating modes UPS OPERATING MODE LEDs/DISPLAY INDICATION BUZZER LEDs: steady NORMAL MODE No sound on-line, double conversion DISPLAY: STORED ENERGY MODE LEDs: steady The loads are supplied through Beep every the batteries connected second to the UPS DISPLAY:...
4 Operation Start-up procedure 4.3.1 Normal mode 1. Make sure the input breaker is not tripped. If it is, reset it. 2. Plug the UPS input cable into the mains socket. 3. The UPS turns to the standby mode in 5 seconds. The green LED lights up if the input voltage is within the admittable range and the fans spin.
DAKER DK Plus 1 kVA - 3 kVA 4. Few seconds after the second key confirmation, the UPS turns on in stored energy mode and the loads are powered. The alarm LED and the green LEDs light up. It is audible an intermittent sound alarm.
After the UPS is turned on, it is possible to check the UPS settings by pressing . The different parameters can be scrolled pressing It is possible to change only three parameters while the UPS is supplying the loads. One of these is reserved to the LEGRAND Technical Support Service. PARAMETER SETTING DISPLAY...
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DAKER DK Plus 1 kVA - 3 kVA Follow this procedure to change the buzzer setting: - press the . The buzzer setting is displayed; - press to select ON or OFF; - confirm the choice by pressing The quick battery test can be performed to check the operation of the batteries. The test must be performed only after the batteries are fully charged, the mains is available and the UPS is powering the loads.
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QUICK BATTERY TEST (this setting can’t be changed with this procedure) BATTERY STATUS TEST (this setting can’t be changed with this procedure and it is reserved to the LEGRAND Technical Support Service) BYPASS VOLTAGE RANGE HIGH...
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DAKER DK Plus 1 kVA - 3 kVA PARAMETER SETTING DISPLAY If during the normal BYPASS functioning the bypass FREQUENCY frequency goes beyond RANGE the setting, the UPS enters in lock mode (alarm and output disconnected) 120 V 208 V OUTPUT 220 V VOLTAGE...
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4 Operation PARAMETER SETTING DISPLAY - 1 % - 2 % - 3 % + 3 % OUTPUT + 2 % VOLTAGE + 1 % ADJUSTMENT If during the normal functioning of the UPS the output voltage is slightly below or above the desired value, this setting allows to adjust it 1c - 9c...
DAKER DK Plus 1 kVA - 3 kVA Settings shortcuts There are two settings shortcuts: - Bypass Mode: while the UPS is in normal mode (on-line, double conversion) press simultaneously for approximately three seconds, until the buzzer sounds twice. The UPS transfers from normal mode to bypass mode.
Pin 3: D+ Pin 4: Ground It is possible to download some free of charge software from the website http://www.ups.legrand.com The software can be used for the following functions: - display of all the operations and diagnostic data in case of problems (UPS Communicator);...
Verify that the ventilating fans work Er11, Er14 properly. If the problem persists or if it necessary intermittent sound to replace them, contact the LEGRAND alarm Technical Support Service. Check the error code table. other error codes If the problem persists, contact the LEGRAND Technical Support Service.
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Replace them if needed. UPS switches back and If the problem persists, contact the forth between the two LEGRAND Technical Support Service. modes. Shut down immediately the UPS. Strange noise or smell Disconnect the mains and contact the LEGRAND Technical Support Service.
+25°C (+77°F). CAUTION The UPS must never be stored if the batteries are partially or totally discharged. LEGRAND is not liable for any damage or bad functioning caused to the UPS by wrong warehousing. Dismantling DANGER Dismantling and disposal operations may only be done by a qualified electrician. These instruc- tions are to be considered indicative: in every country there are different regulations with regard to the disposal of electronic or hazardous waste such as batteries.
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