PowerVar 3300 users manaul A01-00134 3300 REV F 4-5-21.pdf

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This document is a 3300 Series UPS user manual provided by AMETEK Powervar. The manual contains important instructions for installation, operation, troubleshooting, maintenance, and specifications of the 10 kVA, 15 kVA, 20 kVA, 30 kVA, and 40 kVA 3300 series three-phase uninterruptible power supply (UPS) models. Key details include safety instructions, wiring diagrams, LED indicators, LCD panel operation, fault code listings, battery maintenance, and storage guidelines. The manual also includes specifications such as voltage, frequency, and overload capabilities for the different UPS models.

The related federal contract opportunity is a request for quotes (RFQ) for installing electrical power and a 40 kVA UPS to support new equipment in the Core Lab at the Washington DC Veterans Affairs Medical Center. The scope includes installing power circuits from a new panelboard supplied by the UPS output, as well as providing power poles with specified power requirements for the new equipment. The electrical contractor will interface the new power systems with the 40 kVA UPS located in room GB 220.

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3300 Series UPS User’s Manual 10 kVA / 15 kVA / 20 kVA / 30 kVA / 40 kVA

2 A01-00134 Rev. F

TABLE OF CONTENTS

1.0 SAFETY AND EMC INSTRUCTIONS

2.0 INSTALLATION

3.0 OPERATION

4.0 TROUBLESHOOTING

5.0 STORAGE AND MAINTENANCE

6.0 SPECIFICATIONS

7.0 WARRANTY STATEMENT

A01-00134 Rev. F 3

INTRODUCTION

Thank you for your purchase of the AMETEK Powervar 3300 Series Three Phase Uninterruptible Power Supply (UPS). We have prepared this document to help familiarize you with the functions and controls of this product.

The product you have purchased is the most advanced solution available today to protect and provide clean power to your system. The 3300 Series UPS products provide much needed back up time for today’s sensitive electronic systems.

AMETEK Powervar is a global provider of power management solutions, headquartered in Waukegan, Illinois, with international sales and distribution offices in the United Kingdom, Canada, Mexico, and Germany.

Technical Support

If, after reviewing this manual, you have any questions at all, please feel free to contact our technical support team by phone (1-800-369-7179) or email us at rma.powervar@ametek.com.

Registering your AMETEK Powervar Product

Please take a few moments to register your product purchase.

Registration is easy and quick via the product registration page found on our website at powervar.com/product-registration.

mailto:rma.powervar@ametek.com

4 A01-00134 Rev. F

IMPORTANT SAFETY INSTRUCTIONS

Save These Instructions

This manual contains important instructions to be followed during installation and maintenance of the UPS and batteries.

Please read all instructions before installing or operating the described equipment and PLEASE SAVE THIS MANUAL FOR

FUTURE REFERENCE!

SPECIAL SYMBOLS: The following are examples of symbols used on the UPS, or within this manual to alert you to important information.

Please familiarize yourself with these symbols.

Risk of Electric Shock—Observe the warnings associated with the risk of electrical shock.

CAUTION: HOT SURFACE—Do not touch! Risk of burn hazard.

CAUTION: REFER TO OPERATOR’S MANUAL—Refer to operator’s manual for additional information, such as specific operating and/or maintenance instructions.

Do Not Discard—This equipment utilizes components that contain lead and must be disposed of properly. For more information, contact your local recycling/refuse or hazardous waste center.

A01-00134 Rev. F 5

Do Not Discard—Never discard Waste Electrical or Electronic Equipment (WEEE) in the trash. For proper disposal contact your local recycling/refuse or hazardous waste center.

Information of Special Note—Specific handling or operational instructions may apply.

Phase—This is the electrical symbol for the word “phase”.

Recycle—Equipment or components are made of recyclable material, please contact your local recycling center for proper disposal.

6 A01-00134 Rev. F

NOTE TO USERS

To ensure correct operation of the UPS, please read this instruction manual carefully. Please keep this manual handy for future reference.

This UPS has dangerously high voltages on both its Input and output connections. Contact with these voltages may be life threatening. Please follow the operating instructions carefully. Please give close attention to the warnings in this manual and those posted on the UPS. There are no user serviceable parts inside the UPS. Disassembly and/or maintenance should only be done by authorized personnel.

IMPORTANT INFORMATION FOR USERS OF

THIS UNINTERRUPTIBLE POWER SUPPLY

1. Before operating the UPS or connecting any load equipment, please ensure the UPS is connected to a properly grounded electrical supply.

2. This UPS has dangerously high voltages on both its input and output connections. Contact with these voltages may be life threatening.

3. Please do not disassemble the covers. There is a risk of electric shock.

4. In an emergency, immediately turn off the circuit breaker for the circuit supplying power to the UPS. Also immediately turn off the battery circuit breaker.

5. This UPS has two power sources. One is the circuit supplying the UPS with input power. The other is the UPS battery. Prior to any maintenance, both power sources must be disconnected to ensure that the UPS is de-energized. If only the input power is disconnected, the UPS can still operate from the battery, and hazardous voltages may still exist.

A01-00134 Rev. F 7

6. To prevent damage or a safety hazard, keep the UPS away from open flame and any other devices that may cause sparks.

7. Do not open or damage individual battery cases as spillage of caustic electrolyte may occur resulting in danger to life, safety, and the environment.

8. The charging characteristics of UPS batteries vary by both brand and type. For this reason, replacement batteries should be of the same brand and type as those specified by the manufacturer.

Using batteries other than the brand and type specified by the manufacturer may affect the performance of the UPS. Before installing batteries of different brand or type, please consult with the manufacturer.

9. The UPS has an internal EMI filter for purposes of enhancing electromagnetic compatibility with the input mains supply. This filter produces leakage current to earth on the input mains. When selecting a circuit breaker for the branch circuit supplying power to the UPS, ensure that the breaker selected is not an ELCB type circuit breaker that detects earth leakage current.

10. Please contact the manufacturer or an authorized distributor for any assistance with troubleshooting.

11. The UPS should only be serviced or maintained by a factory authorized service technician.

12. This UPS meets FCC Class A electromagnetic compatibility requirements.

13. Depleted batteries must be disposed of in a proper manner.

Contact your local recycling or hazardous waste center or the UPS manufacturer for instructions concerning proper disposal.

8 A01-00134 Rev. F

1.0 SAFETY AND EMC INSTRUCTIONS

All safety instructions in this document must be read, understood and followed.

1.1 Transportation and Storage

CAUTION

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

CAUTION

The UPS must be stored in a room where the temperature is well regulated. Ambient temperature should not exceed 40°C.

1.2 Preparation

Condensation may form if the UPS system is moved immediately from a cold to a warm environment. The UPS system must be completely dry before being installed. Please allow at least two hours for the UPS system to acclimate to the environment.

CAUTION

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

CAUTION

Do not install the UPS system where it would be exposed to direct sunlight or nearby heat source.

Do not block ventilation holes on the UPS housing.

A01-00134 Rev. F 9

1.3 Installation

Do not connect appliances or devices which would overload the UPS (e.g.

big motor-type equipment) to the UPS output terminal.

CAUTION

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

CAUTION

Do not block air vents on the housing of the UPS. Ensure proper unit spacing of ventilation.

CAUTION

UPS comes equipped with grounding terminal, in the final installation phase, connect grounding/ earthing wire to the external UPS battery cabinets or appropriate grounding terminals.

CAUTION

The UPS can be installed only by qualified maintenance personnel.

CAUTION

An appropriate disconnect device such as short-circuit backup protection should be incorporated during installation.

CAUTION

An integral emergency shutoff switch which prevents additional load from the UPS in any mode of operation should be implemented during the installation.

CAUTION

Secure the grounding/earthing wire before connecting to any live wire terminal.

10 A01-00134 Rev. F

Installation and wiring must be in accordance with the local electrical laws and regulations.

1.4 Connection

WARNING

• The power input for this unit must be three-phase rated in accordance with the equipment nameplate. It also must be suitably grounded.

WARNING: HIGH LEAKAGE CURRENT!

EARTH CONNECTION IS ESSENTIAL BEFORE CONNECT SUPPLY

VOLTAGE

• This UPS should be connected with a TN grounding/earthing system.

• Use of this equipment in a medical instrument or any life-sustaining equipment where failure of this equipment can reasonably be expected to cause the failure of the life-sustaining equipment, or significantly affect its safety or effectiveness, is not recommended. Do not use this equipment in the presence of a flammable mixture with air, oxygen, or nitrous oxide.

• Connect grounding terminal of UPS to a grounding electrode conductor.

1.5 Operation

Do not disconnect the grounding/earthing conductor cable on the UPS or the building wiring terminals under any circumstance.

CAUTION

The UPS system features its own internal current source (batteries). The UPS output sockets or output terminal blocks may be electrically live even if the UPS system is not connected to the building mains/live wires (standard models only).

A01-00134 Rev. F 11

In order to fully disconnect the UPS system, first press the “OFF” button and then disconnect the mains/live wires.

CAUTION

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

CAUTION

The UPS can be operated by any individual; no previous experience is required.

12 A01-00134 Rev. F

1.6 Standards

* Safety

UL 1778, CSA C22.2 No.107.3-14

* EMI

Conducted Emission. ............................... FCC Part 15, Subpart B Class A

Radiated Emission. .................................. FCC Part 15, Subpart B Class A

NOTE:

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

A01-00134 Rev. F 13

2.0 INSTALLATION

We offer optional parallel function upon request. The UPS with parallel function is called the “Parallel Model”. We have detailed installation and operation procedures of the Parallel Model in the following sec.

2.1 Unpacking and Inspection

Unpack the package and check the package contents. The shipping package should contain:

• One UPS

• One User Manual

Before the installation, please inspect the unit for any physical damage and for all parts and accessories. If damage is found or parts/accessories are missing, do not turn on the unit and notify the carrier and AMETEK Powervar immediately. Please keep the original packaging for future use. It is recommended to keep each equipment and battery set in their original packaging because they have been designed to provide maximum protection during transportation and storage.

2.2 3300 Series Clearance Guide

Recommended UPS Clearances

• Front: 36"

• Rear: 24"

• Sides: 24"

• Top: 36"

Note: The front and side clearances on the UPS are required for the installation and servicing of the UPS and batteries. 6” side spacing may be maintained for normal UPS operation as long as UPS is connected with flexible conduit, so as to move unit to open space with adequate side access for routine servicing (see page 65).

14 A01-00134 Rev. F

2.3 Wiring Terminal View

Diagram 1: 10 kVA Rear Panel

Diagram 2: 15 / 20 kVA Rear Panel

Diagram 3: 10 kVA Input/Output Terminal

Diagram 4: 15 / 20 kVA Input/Output Terminal

A01-00134 Rev. F 15

Diagram 5: 30 kVA Front view with door open

Diagram 6: 40 kVA Front view with door open

Diagram 7: 30 kVA Input / Output Terminal

Diagram 8: 40 kVA Input / Output Terminal

See Diagram Legend on Next Page

16 A01-00134 Rev. F

Diagram Legend

1. RS-232 Communication Port (only for firmware updates)

2. USB Communication Port

3. Emergency Power Off Function Connector (EPO connector)

Keep the EPO connector closed for UPS normal operation. To activate the EPO function, please remove the jumper.

4. Share Current Port (only available for parallel model)

5. Parallel Port (only available for parallel model)

6. Intelligent Slot

7. External Battery Connector

8. Line Input Circuit Breaker/Switch

9. Maintenance Bypass Switch

10. Input/Output Terminal (refer to diagram 3 for the details)

11. Line Input Terminal

12. Output Terminal

13. Input Grounding Terminal

14. Output Grounding Terminal

15. Bypass Input Circuit Breaker/Switch

16. Bypass Input Terminal

17. Output Circuit Breaker

A01-00134 Rev. F 17

2.4 Operation Principle

PFC

(AC/DC)

Inverter

(DC/AC)

Bypass

DC/DC

Battery

Critical LoadCustomer AC Supply

Customer AC Supply

Input Breaker

Bypass Breaker

Maintain Breaker

Output Breaker

(Remove tie if dual source)

The Operating Principle of the UPS

2.5 Single UPS Installation

Installation and wiring must be carried out in accordance with the local electric laws and regulations by trained professionals.

1. Make sure that the mains wire and breakers of the building are rated for the capacity of the UPS to prevent electric shock or risk of fire. See Facility Data Planning Guide on page 66 for guidance.

2. Switch off the mains switch in the building before installation.

3. Turn off all connected devices before connecting to the UPS.

4. Remove the terminal block cover at the rear panel of UPS.

Then connect the wires according to the following terminal block diagrams.

5. Bypass jumpers are installed at the factory before shipment (remove if UPS is to be configured for dual input).

(Connect the grounding/earthing wire first when making other wire connections. Remove the grounding/earthing wire last when connecting the UPS!)

18 A01-00134 Rev. F

Terminal Block Wiring Diagram for 10kVA

Terminal Block Wiring Diagram for 15kVA/ 20kVA

A01-00134 Rev. F 19

Terminal Block Wiring Diagram for 30kVA/40kVA

Battery Connection Wiring

NOTE 1: Make sure that the wires are securely connected with the terminals.

6. Put the terminal block cover back at the rear panel of the UPS.

20 A01-00134 Rev. F

WARNING!

• Make sure a DC breaker or other protective device is installed between the UPS and the external battery cabinet. This breaker should be in the open or “OFF” position during installation.

• Connection to an external battery cabinet with the incorrect DC voltage will cause irreversible damage to the UPS

• Connection to an external battery cabinet with incorrect DC polarity will cause irreversible damage to the UPS.

• Proper grounding connections between the battery cabinet and UPS must be maintained. Consult local electrical codes for proper sizing of ground conductors.

• Input and output conductors must have proper current ratings for the UPS being installed. Make sure the input and output connections are not reversed or short-circuited.

A01-00134 Rev. F 21

2.6 UPS Installation for Parallel System

Please review separate Parallel Operation Addendum (A01-00152) to this manual if parallel UPS operation is necessary for your application.

2.7 Software Installation

For optimal computer system protection, install UPS monitoring software. The software compatible with the included SNMP card can be downloaded for no charge at:

http://connectivity.powervar.com/products/manageups.asp

ManageUPS Quick Start Guide:

http://connectivity.powervar.com/GetFile.asp?flID=442&IsSoftware= N http://connectivity.powervar.com/products/manageups.asp http://connectivity.powervar.com/GetFile.asp?flID=442&IsSoftware=N http://connectivity.powervar.com/GetFile.asp?flID=442&IsSoftware=N

22 A01-00134 Rev. F

3.0 OPERATION

3.1 Initial Operation

1. Before operation, make sure that the two strings of batteries are connected correctly in order of “+, GND, -” terminals and the breaker of the battery pack is at “ON” position.

2. Press the “ ” button to set up the power supply for the UPS. UPS will enter to “Power On” mode. After initialization, UPS will enter to “No Output” mode.

3.2 LED Indicators and LCD Panel

LED Indicators

4 LEDs on the front panel show the UPS working status:

LED

Mode Bypass Line Battery Fault UPS On ● ● ● ● Standby mode ○ ○ ○ ○ Bypass mode ● ○ ○ ○ Line mode ○ ● ○ ○ Battery mode ○ ○ ● ○ CVCF mode ○ ● ○ ○ Battery Test ● ● ● ○ ECO mode ● ● ○ ○ Fault ○ ○ ○ ●

Note: ● means LED is lighting, and ○ means LED is faded.

A01-00134 Rev. F 23

3.3 Screen Description

After initialization, the LCD will display the main screen. There are five sub-menus: CONTROL, MEASURE, SETTING, INFO, DATALOG. Touch any sub-menu icon to enter the sub-screen.

MAIN

CONTROL

MEASURE

SETTING

INFO

DATA LOG

ON/OFF UPS

MUTE ALL

BATTERY TEST

ON/OFF

CHARGER

MEASURE1

MEASURE2

,EASURE3

GENERAL

SAVE SETTING

RATED INFO

ADVANCE

BASIC INFO

PARAMETER INFO

BASIC1

BASIC2

USER

MAINTAINER

ELECTRICAL

BATTERY

MISCELLANEOUS

SYS PARAMETER

INSTALL INFO

VOL CALI

CURRENT CALI

INITIAL

ELECTRICAL

BATTERY

MISCELLANEOUS

UPS SELF TEST

DATAL LOG

PARAMETERS

CALIBRATION

EEPROM

TOUCH

INITIALIZING...

3.3.1 Main Screen

Upon powering on, the LCD will start initialization approximately few seconds as shown below.

After initialization, the main screen will display as shown below. On the bottom, there are five icons to represent five sub-menus: CONTROL, MEASURE, SETTING, INFO, DATALOG.

24 A01-00134 Rev. F

3.3.2 Control Screen

• Touch the icon to enter the control sub-menu.

• Touch icon to return to the main screen from any screen.

On/Off UPS

Screen 1.0 CONTROL and its Sub-Menus

TURN ON UPS

TURN OFF UPS

• The unit will display Turn On UPS? when UPS is off.

• The unit will display Turn Off UPS? when UPS is on.

• Touch YES to turn the UPS on or off. The screen will return to the main screen.

• Touch Back to return to main screen immediately or NO to cancel this operation and go back to the main screen.

MENU TREE

A01-00134 Rev. F 25

Battery Test

Battery Test

Cancel Battery Test

• The unit will display BATT Test? if the UPS is not in test mode. Touch YES to start the battery test. “Battery testing…” will appear during the battery test period. After a few seconds, the battery test result will show on the screen.

• Touch Back to return to main screen immediately or NO to cancel this operation and return to the main screen. Cancel BATT Test? will appear if in test mode. Select YES to continue or NO to return to the main screen.

Audio Mute

Mute All

Cancel Mute All

• The unit will display Mute All? if the audio is active. Touch YES to activate mute. If “Mute All” is active, the icon on the top left corner of the main screen will appear. Touch Back to return to the CONTROL screen immediately or NO to cancel this operation and return to the CONTROL screen.

• The unit will display Cancel Mute All? if the UPS is already mute. Touch YES activate audio function or NO to keep mute. Touch Back to return to CONTROL screen.

26 A01-00134 Rev. F

On/Off Charger

Turn ON Charger

Turn OFF Charger

• The unit will display Turn ON Charger? when the charger is off.

• The unit will display Turn OFF Charger? when the charger is on.

• Touch YES to turn the charger on or off. The screen will return to the main screen.

• Touch Back to return to the CONTROL screen immediately or NO to cancel this operation and return to CONTROL screen.

3.3.3 Measure Screen

• Touch the to enter MEASURE screen. Touch the or to browse information. Touch the to return to main screen. Touch the icon to go back to previous menu.

• LINE VOL: The real time value of R, S and T phase voltage, RS, ST, TR voltage and input frequency.

• INVERTER VOL: The real time value of R, S and T inverter voltage, RS, ST and TR voltage and frequency.

• BYPASS VOL: The real time value of R, S and T bypass voltage, RS, ST and TR voltage and frequency.

Measure Screen Page 1

• OUTPUT VOL: The real time value of R, S and T output voltage, RS, ST and TR voltage and frequency.

A01-00134 Rev. F 27

• OUTPUT W: R, S and T output power in watts.

• OUTPUT VA: R, S and T output power in VA.

• OUTPUT W (%): R, S and T output power watt in percentage.

• OUTPUT VA (%): R, S

and T output power VA in percentage.

Measure Screen Page 2

• TOTAL W and TOTAL VA: Total output load in watts and VA.

• BATT Voltage/Bus Voltage/Charging Current/Discharging Current:

The real time value of DC related information.

• TEMP: Temperature of R, S and T phases.

• INPUT W: R, S and T input power in watt.

• INPUT VA: R, S and T input power in VA.

• INPUT W (%): R, S and T input power watts in percentage

• INPUT VA (%): R, S and T input power VA in percentage.

Measure Screen Page 3

• INPUT CURR: The real-time value of input current in R, S and T phases.

• OUTPUT CURR: The real-time value of output current in R, S and T phases.

28 A01-00134 Rev. F

3.3.4 Setting Screen

This sub-menu is used to set the parameters of the UPS. Touch to enter SETTING menu page. There are 2 options: Basic and Advanced. Touch the to return to main screen. Touch to go back to previous menu.

Not all settings are available in every operation mode. If the setting is not available in the present mode, the LCD will keep the original setting parameter shown instead of changing the parameters.

• GENERAL: Set up basic UPS information. This is not related to any function parameter.

• ADVANCE: A password is required to access to the “ADVANCE” setting. There are two authority levels, User and Maintainer.

Setting Screen

• SAVE SETTING: Select this function save the setting(s) whether the UPS is connected to the battery or not. However, shutting down the UPS is recommended to complete setting changes.

A01-00134 Rev. F 29

The Authority List

C

UPS OPERATION

MODE

SETTING

ITEM

Standby M ode

B ypass M ode

Line M ode

B attery M ode

B attery Test

M ode

Fault M ode

C onverter M ode

EC

O

M ode

Authorization N o Passw ord

U ser

M aintainer

G

EN

ER

A

L

Date/Time Y Y Y Y Y Y Y Y Y

Language Y Y Y Y Y Y Y Y Y

Input Source Y Y Y

Contact Y Y Y Y Y Y Y Y Y

Phone Y Y Y Y Y Y Y Y Y

Mail Y Y Y Y Y Y Y Y Y

Audio Alarm Y Y Y Y Y Y Y Y Y

A D

VA

N

C E

Output Voltage Y Y Y Y Output Frequency Y Y Y Y

CVCF Mode Y Y Y Y Bypass Forbid Y Y Y Y Y Y Y Y Y Bypass Mode Y Y Y Y Y Y Y Y Y Bypass Voltage Range Y Y Y Y

Bypass Range Frequency Y Y

Y Y ECO Mode Y Y Y Y ECO Voltage Range Y Y Y Y ECO Frequency Range Y Y Y Y

Warning Voltage Y Y Y Y Y Y Y Y Y B attery

Shutdown Voltage Y Y Y Y Y Y Y Y Y Age Alert Y Y Y Y Y Y Y Y Y

Capacity in Ah Y Y Y Y Y Y Y Y Y Auto Restarts Y Y Y Y Y Y Y Y Y Y System Shutdown Time Y Y Y Y Y Y Y Y Y Y System Restore Time Y Y Y Y Y Y Y Y Y Y Password Setting Y Y Y Y Y Y Y Y Y Y Default User Password Y Y Y Y Y Y Y Y Y Model Name Y Y Y Y Y Y Y Y Y Serial Number Y Y Y Y Y Y Y Y Y

30 A01-00134 Rev. F

UPS OPERATION

MODE

SETTING

ITEM

Standby M ode

B ypass M ode

Line M ode

B attery M ode

B attery Test

M ode

Fault M ode

C onverter M ode

EC

O

M ode

Authorization N o Passw ord

U ser

M aintainer

A D

VA

N

C E

Manufacturers Y Y Y Y Y Y Y Y Y

Max Charging Current Y Y Y Y Y Y Y Y

Battery Numbers Y Y Y Y Y Y Y Y

Charge Voltage Y Y Y Y Y Y Y Y

Charger Numbers Y Y Y Y Y Y Y Y

Float Voltage Y Y Y Y Y Y Y Y

UPS Type Y

System Install Date Y Y Y Y Y Y Y Y Y

Battery Install Date Y Y Y Y Y Y Y Y Y

Voltage Calibration Y Y Y

Current Calibration Y Y Y Y

Clean Data Log Y Y Y Y Y Y Y Y Y

Reset Parameters Y Y Y

Reset Calibration Y Y Y

Reset EEPROM Y Y Y

Touch Calibration Y Y Y Y Y Y Y Y Y

UPS Self-test Y Y

Save Setting Y Y Y Y Y

“Y” means that this setting item can be set in this operation mode.

A01-00134 Rev. F 31

GENERAL Page 1

• Date/Time: Set the date and time.

Date format: YYYY-MM-DD. Time format: HH:MM:SS. The calendar day will be automatically changed when the year, month and date are set.

• Language: Set the LCD language. Only available in English.

General Screen Page 1

• Input Source: Select the input source. There are two options: Line (utility) and Generator. Line is the default setting. This setting value will appear on the main page. When “Generator” is selected, the acceptable input frequency will be fixed at the range of 40-75Hz. This setting value will appear on the status bar.

• Service Contact: Set the name of a service contact person; the maximum length is 18 characters.

• Service Phone: Set the service phone number. Only 0-9, + and – are accepted; the maximum length is 14 characters.

• Service Mail: Set up to two service email accounts; the maximum length is 36 characters.

GENERAL Page 2

• Audio Alarm: There are two events available to mute. You may choose Enable or Disable alarm when related events occur.

Enable: When selected, alarm will be mute when related events occur.

Disable: When selected, UPS will alarm when related events occur.

General Screen Page 2

• All Mute: When “Enable” is selected, all the faults and warnings will be mute. It will show on the top right corner of the main screen.

• Mode Mute: UPS status mode alarm enable/disable. If “Mode Mute” is activated, it will show on the top right corner of the main screen.

32 A01-00134 Rev. F

ADVANCE

A (4) digit password is required to access the ADVANCE page.

• ADVANCE > User

- The “Advance > User” setting default password is 0000.

- If entered password is correct, the page displays the setting screen.

Advance Password Page

- If the password is not correct, the user will be asked to enter again.

DATAL OGINFOSE TT INGMEASURECONT ROLHOME

20KVA

Bypass Mode

19:52:36 2018-11-07

GENE RAL

ADVANCE

PASS WORD

Password E rror !!

SAVE

SE TT ING

Password Error Page Advance Setting Menu Page

There are three sub-menus under “Advance > User” setting: ELECTRONIC, BATTERY and MISCELLANEOUS.

ELECTRONIC

• Output Voltage: Select the output rated voltage. There are two options, 120V and 127V. 120Vac is the default setting.

• Output Frequency: Select output rated frequency.

50Hz: The output frequency setting is 50Hz.

Electrical Setting Page 1

60Hz: The output frequency setting is 60Hz.

A01-00134 Rev. F 33

• CVCF Mode (Constant Voltage and Constant Frequency function) Enable: CVCF function is enabled. The output frequency will be fixed at 50Hz or 60Hz according to setting of “OP Freq”. The input frequency can range from 40Hz to 70Hz.

Disable: CVCF function is disabled. The output frequency will synchronize with the bypass frequency within 45-55 Hz for 50Hz system or within 55~65 Hz for 60Hz system. Disable is the default setting.

• Bypass Forbid:

Enable: Bypass forbid is enabled. When selected, running in Bypass mode is not allowed under any situations.

Disable: Bypass forbid is disabled. When selected, UPS will run in Bypass mode depending on “Bypass at UPS off” setting. It is the default setting.

• Bypass at UPS Off: Select the bypass status when manually turning off the UPS. This setting is only available when “Bypass forbid.” is set to “Disable”.

Enable: When selected, bypass mode is activated.

Electrical Setting Page 2 Disable: When selected, bypass is disabled and no output through bypass will occur when manually turning off the

UPS.

• Bypass Voltage Range: Set the bypass voltage range.

L: Low voltage point for bypass. The setting range is 96V ~ 110V. 96V is the default setting.

H: High voltage point for bypass. The setting range is 130V ~ 146V.

146V is the default setting.

• Bypass FRE Range: Set the bypass frequency range. The acceptable bypass frequency ranges from 46Hz to 54Hz when the UPS is a 50Hz system and from 56Hz to 64Hz when UPS is a 60Hz system.

• ECO Mode: Enable/Disable ECO mode. Default setting is “Disable”.

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• ECO Voltage Range: Set the ECO voltage range.

L: Low voltage point for ECO mode. The setting ranges from “rated output voltage – 5V” to “Rated output voltage - 11V”. “Rated output voltage – 5V” is the default setting.

H: High voltage point for ECO mode. The setting range is from “Rated output voltage + 5V” to “Rated output voltage + 11V”. “Rated output voltage + 5V” is the default setting.

• ECO FRE Range: Set the ECO frequency range. The setting ranges from 46Hz to 54Hz when the UPS is a 50Hz system and from 56Hz to 64Hz when the UPS is a 60Hz system.

BATTERY

• Battery Warning Voltage:

HIGH: High battery warning voltage. The setting range is 14.0V ~ 15.0V. 14.4V is the default setting.

LOW: Low battery warning voltage. The setting range is 10.1V ~ 14.0V. 11.4V is the default setting. This parameter setting is related to the “Shutdown Voltage” setting.

This setting value should be higher than the “Shutdown Voltage” setting.

Battery Setting Page

• Shutdown Voltage: If battery voltage is lower than this point while in battery mode, the UPS will automatically shut down. The setting range is 10.0V ~ 12.0V. 10.7V is the default setting.

• Battery Parameter:

Battery AH: setting battery capacity. 9Ah is the default setting.

A01-00134 Rev. F 35

MISCELLANEOUS

• Auto Restart: (This function is reserved for future use)

Enable: Once “Enable” is set, and the UPS shutdown occurs due to low battery and the utility restores, the UPS will return to line mode.

Disable: Once “Disable” is set, and the UPS shutdown occurs and the utility restores, the UPS will not automatically turn on.

Miscellaneous Setting Page

• Shutdown Delay Min: UPS will shut down per delay minutes set. The countdown will start after confirming the pop-up screen.

• Restore Delay Min: UPS will automatically restart per restore delay minutes set after the UPS shuts down.

• New Password: Set up new password to enter “ADVANCE > User” menu.

ADVANCE > Maintainer

To access the “Advance > Maintainer” Setting menu page, a password is required. Please contact local dealer to get maintainer password.

Advance: Maintainer Setting Menu Page1

This setting menu is only for qualified technician. Otherwise, mis-operation will cause UPS damage.

There are five sub-menus under “Advance > Maintainer” setting: SYS

PARAMETER, INSTALL INFO, VOL CALI, CURR CALI, INITIAL,

ELECTRONIC, BATT, MISCELLANEOUS and UPS SELFTEST.

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SYS PARAMETER

• Mode Name: Set the UPS model name.

• Serial Number: Set the serial number.

• Manufacturer: Set the UPS manufacturer.

• Charger Number: The number of charging boards installed in the UPS.

SYS Parameter Page1

NOTE: The UPS must be restarted after setting.

• One piece of charger: When selected, there are four options available for “Max Charge CURR”.

• Two pieces of charger: When selected, there are two options available for “Max Charge CURR”.

• Three pieces of charger: When selected, there are three options available for “Max Charge CURR”.

• Max Charge CURR: The maximum battery charging current. This parameter setting is related to “Charger Number” setting. The selectable charge currents are listed below:

10kVA, 15kVA or 20kVA

• One piece of charger: four options - 1A, 2A, 3A, 4A. 4A is the default setting.

• Two pieces of charger: two options - 4A and 8A. 8A is the default setting.

• Three pieces of charger: three options - 4A, 8A, 12A. 12A is the default setting.

• Four pieces of charger: four options - 4A, 8A, 12A, 16A. 16A is the default setting (only for 15kVA and 20kVA).

• Five pieces of charger: five options - 4A, 8A, 12A, 16A, 20A. 20A is the default setting (only 15kVA and 20kVA).

A01-00134 Rev. F 37

30kVA or 40kVA

• One pair of chargers: four options - 2A, 4A, 6A, 8A. 8A is the default setting.

• Two pairs of chargers: two options - 8A, 16A. 16A is the default setting.

• Three pairs of chargers: three options, 8A, 16A, 24A. 24A is the default setting.

• BATT Number: The total number of installed batteries.

(Restart UPS after setting). The setting range is 8-10. 10 is default the setting. The setting point of battery float voltage.

13.6V is the default setting.

• UPS Type: There are two options, HV and LV. Only a qualified technician can make this change.

SYS Parameter Page 2

NOTE: The UPS must be restarted after setting.

INSTALL INFO

• SYS Install Date: Set the date of UPS installation.

• BAT Install Date: Set the date of Battery installation.

Install Info Page

38 A01-00134 Rev. F

VOL CALI

• Bus VOL: BUS voltage calibration.

Pressing the will increase or decrease the calibration by 0.1%, depending on if the up or down arrow is selected. Press “OK” key to confirm the modification.

• BATT VOL: Battery voltage calibration. Pressing the will increase or decrease the calibration by 0.1%, depending on if the up or down arrow is selected. Press “OK” key to confirm the modification.

VOL CALI Page 1

• Line VOL: Line voltage calibration. Pressing the will increase or decrease the calibration by 0.1%, depending on if the up or down arrow is selected. Press “OK” key to confirm the modification.

• Output VOL: Output voltage calibration. Pressing the will increase or decrease the calibration by 0.1%, depending on if the up or down arrow is selected. Press “OK” key to confirm the modification.

VOL CALI Page 2

• Bypass VOL: Bypass voltage calibration. Pressing the will increase or decrease the calibration by 0.1%, depending on if the up or down arrow is selected.

Press “OK” key to confirm the modification.

VOL CALI Page 3

A01-00134 Rev. F 39

CURR CALI

• Output CURR: Output current calibration. Pressing the will increase or decrease the calibration by 0.1%, depending on if the up or down arrow is selected. Press “OK” key to confirm the modification.

INITIAL

CURR CALI Page

INITIAL MEDU Page INITIAL DATALOG Page

• DATA LOG: After pressing, the user will be prompted to “Initial the Datalog?” Touch Yes to clear the DATALOG page. Touch Back or No to cancel this operation and return to INITIAL menu page.

• PARAMETERS: After pressing, the user will be prompted to “Initial the Parameters?”. Touch Yes to restore default value. Touch Back or No to cancel this operation and return to INITIAL menu page.

INITIAL PARAMETERS Page

40 A01-00134 Rev. F

• CALI: After pressing, the user will be prompted to “Initial the CALI?”.

Touch YES to restore default calibration value. Touch Back or NO to cancel this operation and return to INITIAL menu page.

• EEPROM: After pressing, the user will be prompted to “Initial the EEPROM?”. Touch YES to clear all setting values in EEPROM. Touch Back or NO to cancel this operation and return to INITIAL menu page.

• TOUCH CALI: After pressing, the user will see the blue screen pictured. Touch screen to recalibrate and click the + in the upper left corner.

INITIAL CALI Page

INITIAL CALI Page

INITIAL TOUCH Page

A01-00134 Rev. F 41

ELECTRICAL

• Output Voltage: Select the output rated voltage.

There are two options, 120V and 127V. 120Vac is default setting.

• Output Rated FRE: Select output rated frequency.

Electrical Setting Page 1

50Hz: The output frequency is setting for 50Hz.

60Hz: The output frequency is setting for 60Hz.

• CVCF Mode (constant voltage and constant frequency function)

Enable: CVCF function is enabled. The output frequency will be fixed at 50Hz or 60Hz according to setting of “Output Freq.”. The input frequency can range from 40Hz to 70Hz.

Disable: CVCF function is disabled. The output frequency will synchronize with the bypass frequency within 45~55 Hz for a 50Hz system or within 55~65 Hz for a 60Hz system. Disable is the default setting.

• Bypass Forbid:

Enable: Bypass Forbid is enabled. Running in Bypass mode is not allowed under any situations.

Disable: Bypass Forbid is disabled. UPS will run in Bypass mode. It is the default setting.

• Bypass at UPS off: When manually turning off the UPS, select the bypass status.

This setting is only available when “Bypass forbid” is set to “Disable”.

Electrical Setting Page 2

42 A01-00134 Rev. F

Enable: Bypass enabled. Bypass mode is activated.

Disable: Bypass disabled. There will be no output through the bypass when manually turning off the UPS.

• Bypass Voltage Range: Set the bypass voltage range.

L: Low voltage point for bypass. The setting range is 96V ~ 110V. 96V is default setting.

H: High voltage point for bypass. The setting range is 130V ~ 146V. 146V is default setting.

• Bypass FRE Range: Set the bypass frequency range.

The acceptable bypass frequency ranges from 46Hz to 54Hz when UPS is 50Hz system and from 56Hz to 64Hz when UPS is 60Hz system.

• ECO mode: Enable/Disable ECO mode. Default setting is “Disable”

• ECO Voltage Range: Set the ECO voltage range.

L: Low voltage point for ECO mode. The setting range is from “Rated output voltage – 5V” to “Rated output voltage - 11V”. “Rated output voltage

– 5V” is default setting.

H: High voltage point for ECO mode. The setting range is from “Rated output voltage + 5V” to “Rated output voltage + 11V”. “Rated output voltage + 5V” is default setting.

• ECO FRE Range: Set the ECO frequency range. The setting range is from 48Hz to 52Hz when the UPS is 50Hz system and from 58Hz to 62Hz when the UPS is 60Hz system.

A01-00134 Rev. F 43

• Battery Warning Voltage:

HIGH: High battery warning voltage. The setting range is 14.0V ~ 15.0V. 14.4V is default setting.

LOW: Low battery warning voltage. The setting range is 10.1V ~ 14.0V. 11.4V is default setting. This parameter Battery Setting Page setting is related to “Shutdown Voltage” setting. The setting value should be higher than “Shutdown Voltage” setting.

• Shutdown Voltage: If battery voltage is lower than this point while in battery mode, the UPS will automatically shut down. The setting range is 10.0V ~ 12.0V. 10.7V is default setting.

• Battery Parameter:

Battery AH: setting battery capacity. 9Ah is default setting.

MISCELLANEOUS

• Auto Restart:

Enable: Once “Enable” is set, and the UPS shutdown occurs due to low battery and the utility restores, the UPS will return to line mode.

• Disable: Once “Disable” is set, and the UPS shutdown occurs and the utility restores, the UPS will not automatically turn on.

• Shutdown Delay Min: UPS will shut down per delay minutes set.

The countdown will start after confirming the pop-up screen.

Miscellaneous Setting Page

44 A01-00134 Rev. F

• Restore Delay Min: UPS will automatically restart per restore delay minutes set after the UPS shuts down.

• New Password: Set up User new password to enter “ADVANCE > User” menu page.

• Default User Password:

YES: User password will restore default setting value.

NO: The UPS will cancel this operation.

UPS SELF-TEST

This function is only effective when UPS type setting is “HV”. Therefore, please disconnect all loads and utility first before executing this function. Then, please change UPS type to “HV”. For the detailed operation, please check “System Parameter” menu under Advance > Maintainer directory.

After changing UPS type to “HV”, you must restart the UPS. After the UPS is restarted, please enter Advance screen and enter Maintainer password. It will show “UPS SELFTEST” selection in the screen. In the screen, all tested items are shown “unknown”. Simply click “UPS SELFTEST” button, the UPS will start self-test. If the UPS is normal, it will show “Normal” in all columns.

Otherwise, “Unknown” will be displayed in the columns.

A01-00134 Rev. F 45

3.3.5 Information Screen

Touch to enter information page. Touch or to browse information. Touch to return to main screen. Touch to go back to previous menu.

Basic Information

• MCU Version: MCU version.

• DSP Version: DSP version.

• Serial NO.: The serial number of

UPS.

• Manufacturer: The information about manufacturer.

• Service Contact: The contact name is set in “Basic Setting”.

• Service Phone: The listed numbers are set in “Basic Setting”.

• Service Mail: The service email account is set in “Basic Setting”.

• SYS Install Date: The date of system installation.

• BAT Install Date: The date of battery installation.

• PAR State: The information of parallel state.

• PAR ID: The UPS ID number in parallel state.

• Input Source: The information of input source.

• All Mute: Enable/disable all mute function.

• Mode Mute: Enable/disable mode mute function.

Basic Information Page

Basic Information Page 2

46 A01-00134 Rev. F

Rated Information

• Output Voltage: Output rated voltage.

• Output FRE: Output rated frequency.

• CVCF Mode: Enable/Disable CVCF mode.

• Bypass Forbid: Enable/Disable bypass function.

• Bypass UPS Off:

Enable/disable auto bypass function when UPS is off.

• Auto Restart: Enable/disable auto-restart function.

• ECO Mode: Enable/disable ECO function.

Rated Information Page

Parameter Information

• Line Voltage Range: The acceptable line input voltage range.

• Line FRE Range: The acceptable line input frequency range.

• Bypass Voltage Range: The acceptable input voltage range for bypass mode.

Parameter Information Page

• Bypass FRE Range: The acceptable input frequency range for bypass mode.

• ECO Voltage Range: The acceptable input voltage range for ECO mode.

• ECO FRE Range: The acceptable input frequency range for ECO mode.

A01-00134 Rev. F 47

• BATT Mode Work Time: The maximum discharge time in battery mode.

• BATT Warning Voltage:

HIGH: High battery warning voltage.

LOW: Low battery warning voltage.

• Shutdown Voltage: If battery voltage is lower this point, UPS will automatically shut down.

• Battery Age: It shows battery age.

• Battery AH: It shows battery AH.

• Battery Number: It shows battery number.

Parameter Information Page 2

• Charger Number: The information of charger number.

• Max Charge CURR: The setting value of the maximum charging current.

• Float VOL: The setting value of the battery float voltage.

• UPS Type: The information of UPS type.

• Shutdown Delay: UPS will shut down in setting minutes.

The countdown will start after confirming the pop-up screen.

• Restore Delay: UPS will automatically restart in setting minutes after the UPS shuts down.

Parameter Information Page 3

48 A01-00134 Rev. F

3.3.6 Data Log Screen

Touch to enter date log page. Data log is used to record the warning and fault information of the UPS. The record contains date & time, code, type, and description.

Touch or to page up or down if there are more than one page in the date log.

Touch to return to main screen. Press to go back to main menu. Please refer to Section 3.7 and 3.8 for fault code and warning code lists.

Data Log Page

3.4 Audible Alarm

Description Buzzer status Muted

UPS status

Bypass mode Beeping once every 2 minutes

Yes Battery mode Beeping once every 4 seconds

Fault mode Beeping continuously

Warning

Overload Beeping twice every second No Others Beeping once every second

Fault

All Beeping continuously Yes

A01-00134 Rev. F 49

3.5 Single UPS Operation

1. Turn ON the UPS with utility power (in AC mode)

a. After the power mains is connected correctly, set the battery pack breaker to ON position (this step only necessary for long-run model). Then set the line input breaker to ON position. At the same time the fan will start running and the UPS will start initialization. In just a few seconds, the UPS will supply power to the loads via the Bypass mode.

NOTE: When UPS is in Bypass mode, the output voltage will be directed from mains after you switch on the input breaker. In Bypass mode, the load is not protected by the UPS. To protect your precious devices, you should turn on the UPS. Refer to next step.

b. Touch CONTROL and select UPS on/off icon. User will be prompted to “Turn on UPS?”. Select YES. Refer to On/Off UPS screen.

c. In just a few seconds, the UPS will enter into AC mode. If the mains is abnormal, the UPS will operate in Battery mode without interruption.

NOTE: When the UPS runs out of battery power, it will shut down automatically in Battery mode. When the mains is normalized, the UPS will auto restart in AC mode.

2. Turn on the UPS without utility power supply (in Battery mode)

d. Make sure that the two strings of batteries are connected correctly in order of ”+, GND, -” terminals and the battery pack breaker is in the ON position.

e. Press the button to set up the power supply for the UPS. UPS will enter power on mode. After initialization, the UPS will enter to “No Output mode”.

f. In just a few seconds, the UPS will be turned on and enter Battery mode.

50 A01-00134 Rev. F

3. Connect Devices to UPS

After the UPS is turned on, you can connect devices to the UPS.

a. Turn on the UPS first and then switch on the devices one by one. The LCD panel will display total load level.

b. If it is necessary to connect the inductive loads such as a printer, the in-rush current of the load should be calculated carefully to see if it meets the overload capability of the UPS.

Any load more than 150% over designed capacity the runtime will be less than 60ms.

c. If the UPS is on overload, buzzer will beep twice every second.

d. When the UPS is on overload, 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 system safety.

e. If the overload time is over acceptable time listed in spec in AC mode, the UPS will automatically transfer to Bypass mode.

f. After the overloading is resolved, it will return to AC mode. If the overload time is over the acceptable time listed in the spec in Battery mode, the UPS will enter “fault status”. At this time, if bypass is enabled, the UPS will power to the load via bypass. If bypass function is disabled or the input power is not within the acceptable bypass range, it will cut off output entirely.

4. Charge the Batteries

a. After the UPS is connected to the mains and turned on in AC mode, the charger will charge the batteries automatically;

except in battery mode, during battery self-test, overload or when battery voltage is high.

b. It is recommended to charge batteries for at least 10 hours before operation. Otherwise, the backup time may be shorter than expected.

A01-00134 Rev. F 51

5. Battery Mode Operation

a. When the UPS is in Battery mode, the buzzer will sound according to different battery capacity. If the battery capacity is more than 25%, the buzzer will beep once every 4 seconds. If the battery voltage drops to the alarm level, the buzzer will beep once every sec to remind users that the battery is at a low level and the UPS will eventually shut down. Switching off some non-critical loads to disable the shutdown alarm may prolong the backup time. If there is no more load to be switched off, user must prepare shutdown procedure to preserve working data or devices. Otherwise, there is a risk of data loss or load failure.

b. In Battery mode, users can touch “SETTING” > “Basic” Audio Mute to enable “Mode Mute” to disable the buzzer.

c. The backup time of the 30/40 kVA models depend on the external battery capacity.

d. The backup time may vary from different operating temperature and load type.

e. After discharging the default backup time of 16.5 hours, the UPS will shut down automatically to protect the battery. This battery discharge protection can be enabled or disabled through LCD menu.

6. Test the Batteries

a. If you need to check the battery status when the UPS is running in AC mode/CVCF mode, touch “CONTROL” and select “Battery Test”. Refer to “Battery Test” screen.

b. Users also can set battery self-test through monitoring software.

7. Turn OFF the UPS with Utility Power Supply in AC M ode

a. Touch CONTROL and select the Turn off UPS icon to turn off the

UPS. Refer to “UPS on/off” screen.

52 A01-00134 Rev. F

NOTE 1: If the UPS has been set to bypass output, it will bypass voltage from the mains to output terminal even though the user has turned off the UPS (inverter).

NOTE 2: After turning off the UPS, please be aware that the UPS is working in Bypass mode and there will be risk of power loss for connected devices.

b. In Bypass mode, output voltage of the UPS is still present. To cut off the output, switch off the line input breaker. The LCD display will turn off and UPS is now completely off.

8. Turn off the UPS without Utility Power Supply in Battery Mode

a. Touch CONTROL and select Turn off UPS icon to turn off the UPS.

Refer to “UPS on/off” screen.

b. Then UPS will cut off power to output terminals.

9. Mute the Buzzer

a. Touch SETTING and then select BASIC item. There are two events available to mute. Refer to SETTING screen.

b. Some warning alarms cannot be muted unless the error is fixed.

Please refer to section 3.4 for details.

10. Operation in Warning Status

a. When LCD screen shows “Fault Mode” and the buzzer beeps once every second, it indicates that there are operational problems. Users can read the warning message(s) from “DATA LOG” menu. Please refer to the Section 3.3.6 for details.

b. Some warning alarms cannot be muted unless the error is fixed.

Please refer to section 3.4 for details.

A01-00134 Rev. F 53

11. Operation in Fault Mode

a. When the buzzer beeps continuously, it means that there is a fatal error with the UPS. Users can get the fault code from “DATA LOG” menu. Please refer to the section 3.3.6 for details.

b. Please check the loads, wiring, ventilation, mains, battery and so on after the fault occurs. Do not try to turn on the UPS again before solving the issues. If the problems persist, contact the distributor or service personnel immediately.

c. In case of an emergency, shut off connections from mains, external battery, and output immediately to avoid possible damage to the UPS or equipment.

12. Operation in Maintenance Mode When the UPS needs repair or service and the load cannot be shut off, the UPS needs to be put into maintenance mode.

• This operation should only be performed by maintenance personnel or qualified technicians.

To Place UPS in Maintenance Bypass Mode:

a. Place UPS in static bypass mode (via front touch screen ON/Off button).

b. Remove Maintenance Bypass Circuit Breaker mechanical cover on rear panel, which will free up limit switch.

- Display will now indicate fault code < 3A > “maintain mode”.

c. Place the Maintenance Bypass Circuit Breaker in the ON (up; or closed) position.

d. Place Output, Input, and Bypass circuit breakers in the OFF (down;

or open) position.

- Display will indicate shutdown mode.

54 A01-00134 Rev. F

e. UPS internal control power will slowly bleed off until touch screen goes dark.

- Maintenance bypass Breaker must remain in the “ON (up;

closed)” position. Opening this circuit breaker will drop the load!!

- AC Voltage is present on the INPUT, OUTPUT and BYPASS terminal blocks.

To Recover UPS from Maintenance Bypass Mode

a. Place INPUT and BYPASS circuit breakers in the ON (up; or closed) position.

- UPS will initialize and come up in Static Bypass mode.

- Display will still indicate fault < 3A > “maintain mode”.

- Please confirm the UPS display indicates Input and Output voltages.

b. Place the OUTPUT circuit breaker in the ON (up; or closed) position.

c. Place the Maintenance Bypass Circuit Breaker in the OFF (down; or open) position.

d. Replace Maintenance Bypass Circuit Breaker mechanical cover.

- UPS display will no longer indicate fault code < 3A > “maintain open”.

e. Switch UPS to Online mode (via front…

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