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2-2. Setup the UPS 
Step 1: External battery connection

 (Only for long-run model) 

This UPS is not including batteries. Please connect external batteries as below chart. 
 

 

 

Step 2: UPS input connection 

Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension 
cords.   

 

For 200/208/220/230/240VAC models:

 

The power cord is supplied in the UPS package.

   

 

For 100/110/115/120/127VAC models: The power cord is attached to the UPS. The input 
plug is a NEMA 5-15P for 1K model and NEMA 5-20P for 2K model.

 

 

 

Step 3: UPS output connection 

 

For socket-type outputs, simply connect devices to the outlets.   

 

For terminal-type input or outputs, please follow below steps for the wiring configuration: 

a) Remove the small cover of the terminal block 
b) Suggest using AWG14 or 2.1mm

2

 power cords for 3KVA (200/208/220/230/240VAC 

models). Suggest using AWG12-10 or 3.3mm

2

-5.3mm

2

 power cords for 3KVA 

(100/110/115/120/127VAC models). Please also install a circuit breaker (40A) between 
the mains and AC input of UPS in 3KVA (100/110/115/120127VAC models) for safety 
operation. 

c) Upon completion of the wiring configuration, please check whether the wires are 

securely affixed. 

d) Put the small cover back to the rear panel. 

 

 

Summary of Contents for ULT-3K

Page 1: ...ale Avenue City of Industry California 91748 U S A Tel 1 626 912 8388 Fax 1 626 912 8680 Toll Free 1 888 MARUSON E Mail Info MarusonUSA com Website www MarusonUSA com All trademarks are the property o...

Page 2: ...s 2 2 Installation and setup 3 2 1 Rear panel view 3 2 2 Setup the UPS 5 3 Operations 7 3 1 Button operation 7 3 2 LCD Panel 7 3 3 Audible Alarm 9 3 4 LCD display wordings index 9 3 5 UPS Setting 10 3...

Page 3: ...er them Do not connect domestic appliances such as hair dryers to UPS output sockets The UPS can be operated by any individuals with no previous experience Connect the UPS system only to an earthed sh...

Page 4: ...must be kept well away from the batteries Caution risk of electric shock The battery circuit is not isolated from the input voltage Hazardous voltages may occur between the battery terminals and the...

Page 5: ...thing inside the package is damaged Please keep the original package in a safe place for future use 2 1 Rear panel view 1K India Type IEC Type NEMA Type Schuko Type Universal Type 1KL India Type IEC T...

Page 6: ...ersal Type 3KL India Type IEC Type Schuko Type Universal Type 1 AC input 2 Input circuit breaker 3 USB communication port 4 RS 232 communication port 5 SNMP intelligent slot option 6 External battery...

Page 7: ...for 2K model Step 3 UPS output connection For socket type outputs simply connect devices to the outlets For terminal type input or outputs please follow below steps for the wiring configuration a Remo...

Page 8: ...the ON Mute button on the front panel for two seconds to power on the UPS Note The battery charges fully during the first five hours of normal operation Do not expect full battery run capability duri...

Page 9: ...in standby mode under power normal or transfer to Bypass mode if the Bypass enable setting by pressing this button Confirm selection key Press this button to confirm selection in UPS setting mode Sele...

Page 10: ...frequency Load information Indicates the load level by 0 25 26 50 51 75 and 76 100 Indicates overload Indicates the load or the UPS output is short circuit Mode operation information Indicates the UPS...

Page 11: ...twice every second Fault Continuously sounding Bypass Mode Sounding every 10 seconds 3 4 LCD display wordings index Abbreviation Display content Meaning ENA Enable DIS Disable ESC Escape HLS High loss...

Page 12: ...voltage 100 presents output voltage is 100Vac 110 presents output voltage is 110Vac 115 presents output voltage is 115Vac 120 presents output voltage is 120Vac Default 127 presents output voltage is 1...

Page 13: ...the nominal voltage Default 12V For 100 110 115 120 127 VAC models the setting voltage in parameter 3 is from 3V to 12V of the nominal voltage Default 6V 06 Bypass enable disable when UPS is off Inte...

Page 14: ...mitation setting Interface Setting Parameter 3 Set up backup time on battery mode for general outlets 0 999 setting the backup time in minutes from 0 999 for general outlets on battery mode 0 When set...

Page 15: ...er mode When input frequency is within 40 Hz to 70 Hz the UPS can be set at a constant output frequency 50 Hz or 60 Hz The UPS will still charge battery under this mode Battery mode When the input vol...

Page 16: ...ltage high 12 x Charger failure 45 x Inverter voltage Low 13 x 3 8 Warning indicator Warning Icon flashing Alarm Low Battery Sounding every second Overload Sounding twice every second Battery is not c...

Page 17: ...e every second UPS is overload Remove excess loads from UPS output UPS is overloaded Devices connected to the UPS are fed directly by the electrical network via the Bypass Remove excess loads from UPS...

Page 18: ...up time is shorter than nominal value Batteries are not fully charged Charge the batteries for at least 5 hours and then check capacity If the problem still persists consult your dealer Batteries defe...

Page 19: ...ler Storage Before storing charge the UPS 5 hours Store the UPS covered and upright in a cool dry location During storage recharge the battery in accordance with the following table Storage Temperatur...

Page 20: ...t Ratio 3 1 Harmonic Distortion 3 THD linear load 6 THD non linear load Transfer Time AC Mode to Batt Mode Zero Inverter to Bypass 4 ms Typical Waveform Batt Mode Pure Sinewave EFFICIENCY AC Mode 88 8...

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