1. Important Safety Warning Please comply with all warnings and operating instructions in this manual strictly. Save this manual properly and read carefully the following instructions before installing the unit. Do not operate this unit before reading through all safety information and operating instructions carefully 1.1.
1.5. Maintenance, service and faults The UPS system operates with hazardous voltages. Repairs may be carried out only by qualified maintenance personnel. Caution - risk of electric shock. Even after the unit is disconnected from the mains (building wiring outlet), components inside the UPS system are still connected to the battery and electrically live and dangerous.
2. Installation and setup NOTE: Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. Please keep the original package in a safe place for future use. NOTE: There are two different types of online UPS: standard and long-run models. Please refer to the following model table.
2.2. Setup the UPS Step 1: UPS input connection Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension cords. For 208/220/230/240VAC models: The power cord is supplied in the UPS package. For 110/115/120/127VAC models: The power cord is attached to the UPS. The input plug is a NEMA 5-15P for 1K and 1K-L models, NEMA 5-20P for 2K and 2K-L models.
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Step 5: Disable and enable EPO function Keep the pin 1 and pin 2 closed for UPS normal operation. To activate EPO function, cut the wire between pin 1 and pin 2. It’s in closed status for UPS normal operation. Step 6: Turn on the UPS Press the ON/Mute button on the front panel for two seconds to power on the UPS.
3. Operations 3.1. Button operation Button Function Turn on the UPS: Press and hold ON/Mute button for at least 2 seconds to turn on the UPS. Mute the alarm: When the UPS is on battery mode, press and hold this button for at least 5 seconds to disable or enable the alarm system.
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Display Function Backup time information Indicates the backup time in pie chart. Indicates the backup time in numbers. H: hours, M: minute, S: second Fault information Indicates that the warning and fault occurs. Indicates the warning and fault codes, and the codes are listed in details in 3-5 section.
3.3. Audible Alarm Battery Mode Sounding every 4 seconds Low Battery Sounding every second Overload Sounding twice every second Fault Continuously sounding Bypass Mode Sounding every 10 seconds 3.4. LCD display wordings index Abbreviation Display content Meaning Enable Disable Escape High loss Low loss Battery...
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01: Output voltage setting Interface Setting Parameter 3: Output voltage For 208/220/230/240 VAC models, you may choose the following output voltage: 208: present output voltage is 208Vac 220: present output voltage is 220Vac 230: present output voltage is 230Vac 240: present output voltage is 240Vac For 110/150/120/127 VAC models, you may choose the following output voltage: 110: present output voltage is 110Vac...
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06: Bypass enable/disable when UPS is off Interface Setting Parameter 3: Enable or disable Bypass function. You may choose the following two options: ENA: Bypass enable DIS: Bypass disable 07: Bypass voltage range setting Interface Setting Parameter 2 & 3: Set the acceptable high voltage point and acceptable low voltage point for Bypass mode by pressing the Down key or Up key.
3.6. Operating Mode Description Operating mode Description LCD display Online mode When the input voltage is within acceptable range, UPS will provide pure and stable AC power to output. The UPS will also charge the battery at online mode. ECO mode Energy saving mode: When the input voltage is within voltage regulation range, UPS will bypass...
3.8. Warning indicator Warning Icon (flashing) Alarm Low Battery Sounding every second Overload Sounding twice every second Battery is not connected Sounding every second Sounding every second Over Charge Sounding every second Site wiring fault EPO enable Sounding every second Fan Failure Sounding every second Over temperature...
4. Troubleshooting If the UPS system does not operate correctly, please solve the problem by using the table below. Symptom Possible cause Remedy No indication and alarm even The AC input power is not Check if input power cord though the mains is normal. connected well.
Symptom Possible cause Remedy Fault code is shown as 14 and The UPS shut down Check output wiring and if automatically because connected devices are in the icon is lighting on short circuit occurs on the short circuit status. LCD display and alarm is UPS output.
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