PowerWalker VFI 1000 AT User manual

ENGLISH

PowerWalker VFI 1000-3000 AT

Quick Guide

LCD Panel

The UPS has an LCD panel with 6 pages to scroll.

Left side: Input Voltage

[V]

Right side: Output

Voltage [V]

Left side: Input frequency [Hz]

Right side: Output frequency

[Hz]

Left side: Load level [%]

Right side: Load in kW

Left side: Load level [%]

Right side: Load in kVA

Left side: Battery capacity [%]

Right side

: Battery voltage

[VDC]

Left side: Backup Time [min]

Right side:

Battery voltage

[VDC]

Modes and warnings

Operation

mode

LCD display Description

Line Mode

Outlets supplied with power. Batteries are charged.

Battery

The unit provides output power from battery.

ECO mode[1]

When the input voltage is within set range, UPS

bypasses input to output for energy saving. [1]

Bypass[2]

UPS bypasses voltage to output.

ENGLISH

Converter[3]

The UPS is set to a constant frequency of 50Hz or

60Hz if the input frequency is within range. [3]

Standby

Output is switched off. The batteries are charged.

EPO

Emergency Power Off – the UPS output is turned

off.

Fault

The UPS is in fault mode because of short-circuit on

the output.

Units defining the numeric value: percentage,

kilowatt, volt-ampere, minute, hertz

Fault

Sound disabled

Rear panel view

ENGLISH

1. Power On/Off button

2. Function buttons

3. Display

4. AC Input

5. Input Circuit Breaker

6. EPO (Emergency Power

Off) Connector

7. USB port

8. Serial Port

9. Extension slot

10. Output sockets

11. Battery Pack connector

12. Output Terminal Block

Battery Pack connection

Input connector

2. Fuse Board

3. Output connector

Battery Packs are connected in parallel. Grounding

wire must be fixed to the housing.

ENGLISH

Communication connection

USB port

RS232 port

Extension Slot

Apart from standard USB Port, the UPS is equipped with RS-232. Those two ports do not work

at the same time.

Button control

The ON button

•Press this button to turn on the UPS.

•In line mode, ECO mode or converter mode, press the button for 5 seconds to activate

the battery test.

The OFF button

•Press this button to turn off UPS.

Enter button

•Press this button for 5 seconds to get into setting mode while in bypass mode or standby

mode.

•In setting mode, click this button to confirm selection, or press this button for 5 seconds

to save the changes and exit the setting mode.

•Press this button to scroll up in the LCD menu.

ESC button

•In setting mode, click this button to display next selection or press this button for 5

seconds to exit setting mode without saving changes.

•Press the button for 5 seconds to disable and enable buzzer alarm.

•Press this button to scroll down in the LCD menu.

Enter + ESC buttons

•Switch to bypass mode: When the main power is normal, press these two buttons

simultaneously for 5 seconds, the UPS will enter bypass mode.

UPS Setting

ENGLISH

1. Setting Item

2. Setting Value

3. Additional Icon

item Configure submenu Available Settings

001 Output Voltage =[208V] [220V] [230V] [240V]

002

Output Frequency

= [50.0Hz] [60.0Hz]

003 ECO Mode[1] input voltage

range [0%] (Disabled) [10%] [15%] (Enabled)

004

Bypass Mode

[2]

[DIS] (Disabled) [ENA] (Enabled)

005

Converter Mode

[3]

[CF DIS] (Disabled) [CF ENA] (Enabled)

006 EPO/ROO[4] [EPo] /[Roo]

007

Quantity of Battery Packs

[5]

[0bP]/[1bP]/[2bP]/[3bP]

008 Bypass when UPS is Off [DIS] (Disabled) [ENA] (Enabled)

009

Buzzer

[DIS] (Disabled) [ENA] (Enabled)

Default settings are marked bold.

Event description and troubleshooting

Event

Description

E11, E12, A62

Various issues related to batteries. Please check if batteries are connected

and they are in good condition.

E14

Issue related to the load. Check if there is no short-circuit or excessive load.

Test the UPS without the load.

E18, E19, A68

Issues related to overheating or fan failure. Please check that the fan is

rotating, ventilation holes are not covered and the ambient temperature is

within norm.

EPO

Missing EPO connection.

Technical Specification

MODEL

1000

2000

3000

CAPACITY

1000 VA / 900 W

2000 VA / 1800 W

3000 VA / 2700 W

INPUT

Voltage Range

80-300V for 0-30% load

120-300V for 30-60% load

140-300V for 60-80% load

160-300V for 80-100% load

80-300V for 0-30% load

140-300V for 30-60%

160-300V for 60-80%

190-300V for 80-100%

all values are ±5%

Frequency Range

40Hz ~ 70 Hz

ENGLISH

Power Factor

0.99 @ nominal voltage (input voltage)

OUTPUT

Output voltage 208/220/230/240VAC

ECO Mode Voltage[1] Adjustable ±10% or ±15%

AC Voltage Regulation

±1% (Batt. Mode)

Frequency Range

(Synchronized Mode)

Adjustable 1-10% (default ±8%)

Outside of the range, it switches to converter mode

Frequency Range (Batt.

Mode)

50/60 Hz ± 0.5 Hz

Overload

Line Mode: warning @ 100-110%; bypass after 60s @ 110-120%;

bypass immediately @ >120%

Battery Mode: warning @ 100-110%; shutdown after 10s @ 110-

120%; shutdown immediately @ > 120%

Current Crest Ratio

3:1

Harmonic Distortion

<3 % THD (linear load); < 5 % THD (non-linear load)

Transfer Time

Zero

Waveform (Batt. Mode)

Pure Sinewave

Efficiency

Energy saving technology. ECO mode over 95%

Protection

UPS output cut off immediately or input fuse.

Surge protection IEC 61000-4-5 level 4

BATTERY

Numbers

2 x 9Ah

4 x 9Ah

6 x 9Ah

Recharge Time

4 hours recover to 90% capacity (Typical)

Battery Pack

Battery Pack Connector available[5]

PHYSICAL

Dimension, W x H x D

(mm)

140 x 191 x 327

151 x 225 x 390

196 x 342 x 416

Net Weight (kgs)

14.5

17.14

21.3

Operation Humidity

20-90 % RH @ 0- 40°C (non-condensing)

MANAGEMENT

Smart RS-232 or USB

Supports Windows®, Linux, Unix, macOS and HID support for USB

Software

PowerMaster available at powermaster.powerwalker.com

Optional SNMP

Power management from SNMP manager and web browser

[1] ECO Mode offers higher efficiency in line mode, but transfer time is not guaranteed to be

0ms.

[2] When bypass is disabled, the UPS will not turn on to bypass in case of overload or fault.

[3] The load capacity will be derated to 60%. ECO Mode, Bypass Mode are disabled (regardless

of the settings)

[4]If ROO (Remote On/Off) is enabled, UPS can be turned on/off by the ROO port (opened

circuit turns off; closed circuit turns on). EPO (Emergency Power Off) only turns off the UPS’

output. After closing the circuit UPS needs to be manually turned on.

[5] UPS cannot detect the number of Battery Packs, so this setting is essential. If BP is 1-3, the

charger current is increased to 4A.

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