Xtreme TX91 User manual

Brand: Xtreme

Model: TX91

Category: Uninterruptible power supplies (UPSs)

Type: User manual

This manual is also suitable for

TX91L

TX91 & TX91L

Isolated Online UPS

3.8kVA, 5kVA, 6kVA, 10kVA Models

User & Installaon Manual

Xtreme Power Conversion Corporaon

TX91 3.8- 10kVA User’s Manual

Page 2

Uninterrupble Power Supply

Table of Contents

1 Safety and EMC Instrucons.......................................................................4

1.1 Transportaon and Storage...................................................................................................... 4

1.2 Preparaon............................................................................................................................... 4

1.3 Installaon................................................................................................................................ 4

1.4 Connecon .............................................................................................................................. 4

1.5 Maintenance............................................................................................................................ 5

1.6 Operaon................................................................................................................................. 5

1.7 Recycling................................................................................................................................... 6

1.8 Standards..................................................................................................................................6

2 Installaon ...............................................................................................7

2.1 Unpacking and inspecon..........................................................................................................7

2.2 Rear Panel View.........................................................................................................................8

2.3 Baery Pack Rear Panel View....................................................................................................9

2.4 UPS Electrical Conntecons/Installaon.................................................................................10

2.5 Connecng UPS with Baery Packs..........................................................................................12

2.6 Baery Wiring Diagram...........................................................................................................12

2.7 Storage and Maintenance........................................................................................................13

3 Operaons..............................................................................................14

3.1 User Interface.........................................................................................................................14

3.1.1 Buon Operaon......................................................................................................14

3.1.2 LED Indicators...........................................................................................................14

3.1.3 LCD Panel................................................................................................................. 14

3.1.5 Operang Mode/ Descripons................................................................................ 17

3.2 UPS Operaon.........................................................................................................................19

4 Trouble Shoong......................................................................................29

4.1 Audible Alarm..........................................................................................................................29

4.2 Warning Indicator....................................................................................................................29

4.3 Warning Code Descripons.....................................................................................................30

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4.4 Trouble Shoong Chart...........................................................................................................31

5 Specicaons..........................................................................................32

5.1 TX91 Specicaons..................................................................................................................32

5.2 TX91L Specicaons.................................................................................................................33

6 Obtaining Service....................................................................................34

7 Xtreme Power Conversion Limited Warranty.............................................35

8 Xtreme Power Load Protecon Policy......................................................36

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TX91 3.8- 10kVA User’s Manual

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1 Safety and EMC Instrucons

Safety Instrucons

Please read carefully the following user manual and the safety instrucons before installing the UPS or using the

UPS! Please comply with all warnings and operang instrucons in this manual. Save this manual and read care-

fully the following instrucons before installing the unit. Do not operate this unit before reading through all safety

informaon and operang instrucons carefully.

1.1 Transportaon and Storage

• Please transport the UPS system only in the original packaging to protect against shock and impact.

• The UPS must be stored in a room where it is venlated and dry.

1.2 Preparaon

• Condensaon may occur if the UPS system is moved directly from cold to warm environments. The UPS

system must be absolutely dry before being installed. Please allow at least two hours for the UPS system

to acclimate to the environment.

• Do not install the UPS system near water or in moist environments.

• Do not install the UPS system where it would be exposed

1.3 Installaon

• Do not connect appliances or devices which would overload the UPS (e.g. motor-type equipment) to the

UPS output receptacles or terminal.

• Place cables in such a way that no one can step on or trip over them.

• Do not block air vents in the housing of the system components. The UPS system must be installed in a

locaon with good venlaon. Ensure enough space on each side for venlaon.

• UPS has provided a ground terminal for equipotenal earth bonding to the external UPS baery cabinets

in the nal installed system conguraon.

• The UPS can be installed only by qualied maintenance personnel.

• An appropriate disconnect device for short-circuit backup protecon should be provided in the building

wiring installaon, upstream of the UPS.

• An integral single emergency switching device which prevents further supply to the load by the UPS in

any mode of operaon should be provided in the building wiring installaon.

• Connect the ground before connecng to the building wiring terminal.

• Installaon and wiring must be performed in accordance with the local electrical laws and regulaons.

1.4 Connecon

• This UPS must be installed and grounded in accordance with local and naonal electrical code.

• The power supply for this unit must be single-phase rated in accordance with the equipment nameplate.

It also must be suitably grounded.

• There can be no derivaon in the line that goes from the Backfeed Protecon to the UPS, as the standard

safety would be infringed.

• The power supply for this unit must be single-phase rated in accordance with the equipment nameplate.

WARNING

HIGH LEAKAGE CURRENT

EARTH CONNECTION ESSENTIAL

BEFORE CONNECTING SUPPLY

• Use of this equipment in life support applicaons where failure of this equipment can reasonably be

expected to cause the failure of the life support equipment or to signicantly aect its safety or eecve-

ness is not recommended. Do not use this equipment in the presence of a ammable anesthec mixture

with air, oxygen or nitrous oxide.

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• Connect your UPS power module’s grounding terminal to a grounding electrode conductor.

• The UPS is connected to a DC energy source (baery). The output terminals may be live when the UPS

is not connected to an AC supply.

• Warning labels should be placed on all primary power switches installed in places away from the

device to alert the electrical maintenance personnel of the presence of a UPS in the circuit. The label will

bear the following or an equivalent text:

Before working on this circuit

Isolate Uninterrupble Power Supply (UPS)

Then check for Hazardous Voltage between

all terminals including the protected ground

Risk of Voltage Backfeed

1.5 Maintenance

• Even aer the UPS is disconnected from the mains, the components inside are sll connected to the

baery packs which may be potenally dangerous.

• Before carrying out any kind of service or maintenance, disconnect the baeries and verify that no

current is present and no hazardous voltage exists in the terminals of high capability capacitor such as

BUS-capacitors.

• Verify that no between the baery terminals and the ground is present before maintenance or repair.

In this product, the baery circuit is not isolated from the input voltage. Hazardous voltages may occur

between the baery terminals and the ground.

• Baeries may cause electric shock and have a high short-circuit current. Please remove all wristwatch-

es, rings and other metal personal objects before maintenance or repair, and only use tools with insu-

lated grips and handles for maintaining or repairing.

• When replacing the baeries, install the same number and same type of baeries.

• Do not aempt to dispose of baeries by burning them. This could cause baery explosion. The baer-

ies must be rightly deposed according to local regulaon.

• Do not open or destroy baeries. Escaping electrolyte can cause injury to the skin and eyes. It may be

toxic.

• Please replace the fuse only with the same type and amperage in order to avoid re hazards.

• Do not disassemble the UPS system.

TX91 3.8 -10kVA & TX91L 3.8 10kVA User’s Manual Uninterrupble Power Supply

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• When replacing baeries, it is necessary to replace ALL baeries with the same quanty, type & capac-

ity.

• Do not plug or unplug the baery connector if UPS is working in baery mode.

• This unit is not designed for outdoor use.

1.6 Operaon

• Do not disconnect the ground conductor cable on the UPS or the building wiring terminals in any me

since this would cancel the protecve ground of the UPS system and of all connected loads.

• The UPS system features its own, internal current source (baeries). The UPS output receptacles or

output terminal blocks may be electrically live even if the UPS system is not connected to the building

wiring system.

• In order to fully disconnect the UPS system, rst press the “OFF” buon and then disconnect the

mains.

• Ensure that no liquid or other foreign objects can enter into the UPS system.

• The UPS can be operated by any individuals with no previous experience.

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• Use of this equipment in life support applicaons where failure of this equipment can reasonably be expected

to cause the failure of the life support equipment or to signicantly aect its safety or eecveness is not rec-

ommended. Do not use this equipment in the presence of a ammable anesthec mixture with air, oxygen or

nitrous oxide.

• Connect your UPS power module’s grounding terminal to a grounding electrode conductor.

• The UPS is connected to a DC energy source (baery). The output terminals may be live when the UPS is not

connected to an AC supply.

1.7 Recycling the Used Baery

• Do not dispose of the baery in a re. Baery may explode. Proper disposal of baery is re-

quired. Refer to your local codes for disposal requirements. For more informaon, contact your

local recycling/reuse or hazardous waste center.

• Do not open or mulate the baery. Released electrolyte is harmful to the skin and eyes. It

may be toxic.

1.8 Standards

* Safety

Safety Conformance: IEC/EN 62040-1,UL1778 (5th Edion)

Safety Markings : cTUVus, CE

* EMI

Conducted Emission..............................:IEC/EN 62040-2,FCC PART15 CLASS A

Radiated Emission.................................:IEC/EN 62040-2,FCC PART15 CLASS A

*EMS

ESD.........................................................:IEC/EN 61000-4-2 Level 4

RS........................................................ ...:IEC/EN 61000-4-3 Level 3

EFT......................................................... :IEC/EN 61000-4-4 Level 4

SURGE................................................... :IEC/EN 61000-4-5 Level 4

CS........................................................... :IEC/EN 61000-4-6 Level 3

Power-frequency Magnec eld.............. :IEC/EN 61000-4-8 Level 4

Low Frequency Signals............................:IEC/EN 61000-2-2

Warning: This is a product for commercial and industrial applicaon in the second environment-installaon re-

stricons or addional measures may be needed to prevent disturbances.

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2 Installaon

2.1 Unpacking and Inspecon

Unpack the package and check the package contents. The shipping package contains:

● One UPS

● One user manual

● One monitoring soware CD

● One RS-232 cable (opon)

● One USB cable

● One share current cable (only available for parallel model)

NOTE: Before installaon, please inspect the unit. Be sure that nothing inside the package is damaged during trans-

portaon. Do not turn on the unit and nofy the carrier and dealer immediately if there is any damage or lacking

of some parts. Please keep the original package in a safe place for future use.

Unpack the External Baery Pack (if supplied)

NOTE: Baery is very heavy so be cauous when unpacking and liing the unit to avoid injury

• External Baery Pack

• Quick Guide

• Baery connecon cable x 1

NOTE: Before installaon, please inspect the system components. Be sure that nothing inside the package was

damaged during transportaon. Do not turn on the UPS system and nofy the carrier and dealer immediately if

there is any damage or missing parts. Please keep the original packaging in a safe place for future use.

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2.2 Rear Panel View

Diagram 1: Rear Panel Overlook Diagram 2: Input/Output Terminal

1. RS-232 communicaon port

2. USB communicaon port

3. Emergency power o funcon connector (EPO connector)

4. Share current port (only available for parallel model)

5. Parallel port (only available for parallel model)

6. Intelligent slot

7. Charger fan

8. Power stage fan

9. Maintenance bypass switch

10. Input circuit breaker

11. Isolaon transformer fan

12. Input/Output terminal (Refer to Diagram 2 for the details)

13. External baery connector

14. Non-isolated neutral

15. ISO TAP selecons

16. Output

17. Input

18. Input ground

19. Output ground

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2.3 Baery Pack Rear Panel View

TX91-BP20/BP40/BP60 baery pack

Figure 2-4

1. DC connector: connects to either UPS or 2nd baery pack.

2. DC breaker: Baery over-current protecon breaker.

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2.4 UPS Electrical Connecons/Installaon

Installaon and wiring must be performed in accordance with the local electric laws/regulaons and execute the

following instrucons by professional personnel.

1. Make sure the mains wire and breakers in the building are sized for the rated capacity of UPS to avoid

the hazards of electric shock or re.

2. Switch o the mains switch in the building before installaon.

3. Turn o all the connected devices before connecng to the UPS.

4. Prepare wiring based on the following table:

Model Wiring spec (AWG)

Input Output Non-isolated

Neutral

Ground

3.8K 8 8 8 8

5K 8 8 8 8

6K 6 6 6 6

10K 4 4 4 4

Model Recommended Input Overcurrent Protecon

3.8K 30A

5K 30A

6K 40A

10K 70A

NOTE: The selecons for size and color of wires should follow the local electrical laws and regulaons.

5.Remove the terminal block cover on the rear panel of UPS

UPS Terminal Block Wiring Diagram UPS Transformer Diagram

Figure 2-3 Figure 2-4

1. Connect input L1 wire to UPS input L1 terminal.

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2. Connect input L2 wire to UPS input L2 terminal.

3. Connect input GND wire to input GND terminal.

4. Connect output L1 wire to UPS output L1 terminal.

5. Connect output L2 wire to UPS output L2 terminal.

6. Connect output N wire to UPS N terminal.

7. Ensure ISO TAP Jumper is in correct posion (208V for 208V input or 240V for any other input

voltages).

8. Ensure Output voltage parameter is set to match the site input voltage. Refer to secon 3.3

NOTE 1: The ISO Tap Selector Jumper is electrically located between the output of the inverter and the

transformer primary. In the 208V posion it steps up the voltage by 11%. In the 240v posion there is

no voltage change. 208V is default Posion. Refer to gure 2-4.

Voltage Conguraon Chart

Standard Sengs

Input Voltage Iso Tap Posion Voltage Out

208 208 230/115 (Default)

240 240 240/120

Addional Sengs

Input Voltage Iso Tap Posion Voltage Out

200 208

240

222/111

200/100

208 240 208/104

220 208

240

244/122

220/110

230 208

240

256/128

230/115

240 208 266/133

NOTE 1: If other than default seng is desired, conguraon can be done at the factory for an

addional voltage conguraon fee.

6. Aer connecng the wires, replace the terminal block cover on the rear panel of the UPS.

NOTE 1: Install the output breaker between the output terminal and the Load. I.A.W NEC code.

NOTE 2: UPS Cabinet contains an Isolaon Transformer with N-G bond. This system qualies as a

separately derived source.

Warning:

Make sure the UPS is turned o before installaon.

The UPS should not be turned on during wiring connecon.

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2.5 Connecng UPS with Baery Packs

1. Connect one end of baery connecon cable to Baery DC connector.

2. Connect other end of baery connecon cable to UPS external baery connector.

3. If there is another external baery connect one end of Baery connecon cable to rst

baery pack DC connector. Then connect other end to second baery pack DC connector.

2.6 Baery Wiring Diagram

TX91-BP20 Baery Wiring Diagram TX91-BP40 Baery Wiring Diagram

Figure 2-18 Figure 2-19

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TX91-BP60 Baery Wiring Diagram

Figure 2-19

Type of Baery Required

• TX91 - (20) 12V 9AH baeries.

• TX91L - external baeries only.

• External baery pack – (20), (40), or (60) pieces of 12V 9AH baeries.

2.7 Storage & Maintenance

The unit contains no user-serviceable parts. If the baery service life (3~5 years at 25°C ambient temperature)

has been exceeded, the baeries must be replaced. In this case, please contact your dealer.

Be sure to deliver the spent baery to a recycling facil-

ity or ship it to your dealer in the replacement baery

packing material.

Before storing, charge the unit 7 hours. Store the unit covered and upright in a cool, dry locaon. During storage,

recharge the baery in accordance with the following table:

Storage Temperature Recharge Frequency Charging Duraon

-25°C - 40°C Every 3 months 1-2 hours

40°C - 45°C Every 2 months 1-2 hours

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Soware Installaon

For opmal computer system protecon, install UPS monitoring soware to fully congure UPS

shutdown. Refer to included Viewpower CD.

3 Operaons

3.1 User Interface

3.1.1 Buon Operaon

Buon Funcon

ON/Enter Buon Turn on the UPS: Press and hold the buon more than 0.5s to turn on the UPS.

Enter Key: Press this buon to conrm the selecon in seng menu.

OFF/ESC Buon Turn o the UPS: Press and hold the buon more than 0.5s to turn o the UPS.

Esc key: Press this buon to return to last menu in seng menu.

Test/Up Buon Baery test: Press and hold the buon more than 0.5s to test the baery while in AC

mode, or CVCF mode.

UP key: Press this buon to display next selecon in seng menu.

Mute/Down Buon Mute the alarm: Press and hold the buon more than 0.5s to mute the buzzer. Please refer

to secon 3-4-9 for details.

Down key: Press this buon to display previous selecon in seng menu.

Test/Up + Mute/

Down Buon

Press and hold the two buons simultaneous more than 1s to enter/escape the seng

menu.

* CVCF mode means converter mode.

3.1.2 LED Indicators

LCD Panel

LED indicators

LED Indicators:

There are 4 LEDs on front panel to show the UPS working status:

Mode LED Bypass Line Baery Fault

UPS Startup ● ● ● ●

No Output mode ○ ○ ○ ○

Bypass mode ● ○ ○ ○

AC mode ○ ● ○ ○

Baery mode ○ ○ ● ○

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CVCF mode ○ ● ○ ○

Baery Test ● ● ● ○

ECO mode ● ● ○ ○

Fault ○ ○ ○ ●

Note: ● means LED is lighng, and ○ means LED is faded.

3.1.3 LCD Panel

Display Funcon

Backup me informaon

Indicates baery discharge me in numbers.

H: hours, M: minutes, S: seconds

Fault informaon

Indicates that the warning and fault occurs.

Indicates the fault codes, and the codes are listed in details in secon 3-9.

Mute operaon

Indicates that the UPS alarm is disabled.

Output & Baery voltage informaon

Indicates the output voltage, frequency or baery voltage.

Vac: output voltage, Vdc: baery voltage, Hz: frequency

Load informaon

Indicates the load level by 0-25%, 26-50%, 51-75%, and 76-100%.

Indicates overload.

Indicates the load or the output is shorted.

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Mode operaon informaon

Indicates the UPS connects to the mains.

Indicates the baery is working.

Indicates the bypass circuit is working.

Indicates the ECO mode is enabled.

Indicates the Inverter circuit is working.

Indicates the output is working.

Baery informaon

Indicates the Baery capacity by 0-25%, 26-50%, 51-75%, and 76-100%.

Indicates the baery is not connected.

Indicates low baery level and low baery voltage.

Input & Baery voltage informaon

Indicates the input voltage or frequency or baery voltage.

Vac: Input voltage, Vdc: baery voltage, Hz: input frequency

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3.1.5 Operang Mode/Descripons

Operang mode/status

AC mode Descripon

When the input voltage is within acceptable range, UPS will provide pure

and stable AC power to output. The UPS will also charge the baery at AC

mode.

LCD display

ECO mode Descripon

When the input voltage is within voltage regulaon range and ECO mode is

enabled, UPS will bypass voltage to output for energy saving.

LCD display

CVCF mode Descripon

When input frequency is within 46 to 64Hz, the UPS can be set at a con-

stant output frequency, 50 Hz or 60 Hz. The UPS will sll charge baery

under this mode.

LCD display

Baery mode Descripon

When the input voltage is beyond the acceptable range or there is input

power failure, UPS will backup power from baery and alarm will beep

every 4 seconds.

LCD display

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Operang mode/status

Bypass mode Descripon

When input voltage is within acceptable range and bypass is enabled, turn

o the UPS and it will enter Bypass mode. Alarm beeps every two minutes.

LCD display

Baery Test Descripon

When UPS is in AC mode or CVCF mode, press “Test” key for more than

0.5s. Then the UPS will beep once and start “Baery Test”. The line be-

tween I/P and inverter icons will blink to remind users. This operaon is

used to check the baery status.

LCD display

Fault status Descripon

When a UPS fault has happened, it will display fault messages in LCD panel.

LCD display

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3.2 UPS Operaon

Turn on the UPS with ulity power supply (in AC mode)

1) Aer power supply is connected correctly, Set the input breaker at “ON” posion. At this me the fan

is running and the UPS supplies power to the loads via the bypass. The UPS is operang in Bypass mode.

NOTE: When UPS is in Bypass mode, the output voltage will directly get power from ulity aer you switch on the

input breaker. In Bypass mode, the load is not protected by UPS. To protect your precious devices, you should turn

on the UPS. Refer to next step.

2) Press and hold the “ON” buon for 0.5s to turn on the UPS and the buzzer will beep once.

3) A few seconds later, the UPS will enter AC mode. If the ulity power is abnormal, the UPS will operate

in Baery mode without interrupon.

NOTE: When the UPS is running out baery, it will shut down automacally at Baery mode. When the ulity

power is restored, the UPS will auto restart.

Turn on the UPS without ulity power supply (in Baery mode)

1. Make sure that the breaker of the baery pack is at “ON” posion.

2. Press and hold the “ON” buon for 0.5s to turn on the UPS, and the buzzer will beep once.

3. A few seconds later, the UPS will be turned on and enter to Baery mode.

Connect devices to UPS

1. Turn on the UPS rst and then switch on the devices one by one, the LCD panel will display total load

level.

2. If it is necessary to connect inducve loads such as a printer, the in-rush current should be calculated

carefully to ensure if it meets the capacity of the UPS, because the power consumpon of this kind of loads

is too big.

3. If the UPS is overloaded, the buzzer will beep twice every second.

4. When the UPS is overloaded, please remove some loads immediately. It is recommended to have the

total loads connected to the UPS less than 80% of its nominal power capacity to prevent overload for sys-

tem safety.

5. If the overload me is over acceptable me listed in spec at AC mode, the UPS will automacally trans-

fer to Bypass mode. Aer the overload is removed, it will return to AC mode. If the overload me is over

acceptable me listed in spec at Baery mode, the UPS will become fault status. At this me, if bypass is

enabled, the UPS will power the load via bypass. If bypass funcon is disabled or the input power is not

within bypass acceptable range, it will cut o output directly.

Charge the baeries

1. Aer the UPS is connected to the ulity power, the charger will charge the baeries automacally except in Bat-

tery mode or during baery self-test.

2. It is suggested to charge baeries at least 10 hours before use. Otherwise, the backup me may be shorter than

expected.

Baery mode operaon

1. When the UPS is in Baery mode, the buzzer will beep according to dierent baery capacity. If the

baery capacity is more than 25%, the buzzer will beep once every 4 seconds; If the baery voltage drops

to the alarm level, the buzzer will beep quickly (once every sec) to remind users that the baery is at low

level and the UPS will shut down automacally soon. Users could switch o some non-crical loads to dis-

able the shutdown alarm and prolong the backup me (the UPS would cut o the programmable output

terminal automacally when the programmable mer funcon is enabled). If there is no more load to be

switched o at that me, you have to shut down all loads as soon as possible to protect the devices or save

data. Otherwise, there is a risk of data loss or load failure.

2. In Baery mode, if buzzer sound annoys, users can press the Mute buon to disable the buzzer.

Xtreme Power Conversion Corporaon

TX91 3.8- 10kVA User’s Manual

Page 20

Uninterrupble Power Supply

3. The backup me may very from dierent environment temperature and load type.

4. The backup me depends on the quanty external baeries.

5. When seng backup me for 16.5 hours (default value from LCD panel), aer discharging 16.5 hours,

UPS will shut down automacally to protect the baery. This baery discharge protecon can be enabled

or disabled through LCD panel control. (Refer to 3.3 LCD Sengs secon)

Test the baeries

1. If you need to check the baery status when the UPS is running in AC mode/CVCF mode/ECO mode, you

could press the “Test” buon to let the UPS do baery self-test.

2. To keep the system reliable, the UPS will perform the baery self-test automacally periodically. The

default seng period is once per week.

3. Users also can set baery self-test through monitoring soware.

4. If the UPS is at baery self-test, the LCD display and buzzer indicaon will be the same as at Baery

mode except that the baery LED is ashing.

Turn o the UPS with ulity power supply in AC mode

1. Turn o the inverter of the UPS by pressing “OFF” buon for at least 0.5s, and then the buzzer will beep

once. The UPS will turn into Bypass mode.

NOTE 1: If the UPS has been set to enable the bypass output, it will bypass voltage from ulity power to output

terminal even though you have turned o the UPS (inverter).

NOTE 2: Aer turning o the UPS, please be aware that the UPS is working at Bypass mode and there is risk of

power loss for connected devices.

2. In Bypass mode, output voltage of the UPS is sll present. In order to cut o the output, switch o the

input breaker. A few seconds later, there is no display shown on the display panel and UPS is completely

o.

Turn o the UPS without ulity power supply in Baery mode

1. Turn o the UPS by pressing “OFF” buon for at least 0.5s, and then the buzzer will beep once.

2. Then UPS will cut o power to output and there is no display shown on the display panel.

Mute the buzzer

1. To mute the buzzer, please press the “Mute” buon for at least 0.5s. If you press it again aer the buzzer

is muted, the buzzer will beep again.

2. Some warning alarms can’t be muted unless the error is xed.

Operaon in warning status

1. When Fault LED ashes and the buzzer beeps once every second, it means that there are some prob-

lems for UPS operaon. Users can get the fault code from LCD panel. Please check the trouble shoong

table in secon 4 for details.

Operaon in Fault mode

1. When Fault LED illuminates and the buzzer beeps connuously, it means that there is a fatal error in the

UPS. Users can get the fault code from display panel. Please check the trouble shoong table in secon 4

for details.

2. Please check the loads, wiring, venlaon, ulity, baery and so on aer the fault occurs. Don’t try to

turn on the UPS again before solving the problems. If the problems can’t be xed, please contact the dis-

tributor or service people immediately.

3. For emergency case, please cut o the connecon from ulity, external baery, and output immediately

to avoid more risk or danger.

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Xtreme TX91 User manual

Brand: Xtreme

Model: TX91

Category: Uninterruptible power supplies (UPSs)

Type: User manual

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Xtreme TX91 User manual

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