CPI VD Series User manual

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 1
Chatsworth Products (CPI)
User Manual for
Lead Acid Interactive UPS
VD-Series
5000VA, 6000VA and 10kVA Models
Reference Sales Model:
VD5000B, VD6000B, VD10KB
Version 1
April 2022
While every effort has been made to ensure the accuracy of all information, CPI does not accept liability for any
errors or omissions and reserves the right to change information and descriptions of listed services and products.
©2022 Chatsworth Products, Inc. All rights reserved. Chatsworth Products, Clik-Nut, CPI, CPI Passive Cooling,
eConnect, Evolution, GlobalFrame, MegaFrame, Motive, QuadraRack, RMR, Saf-T-Grip, Secure Array,
SeismicFrame, SlimFrame, TeraFrame and Velocity are federally registered trademarks of Chatsworth Products.
CUBE-iT, EuroFrame, Simply Efcient and ZetaFrame are trademarks of Chatsworth Products.
All other trademarks belong to their respective companies. 04/22 MKT-60020-769
800-834-4969
chatsworth.com
[email protected]

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 2
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
Table of Contents
1 Safety Information................................................................................................................4
1.1 Transportation and Storage........................................................................................4
1.2 Preparation.................................................................................................................4
1.3 Installation...................................................................................................................4
1.4 Connection..................................................................................................................4
1.5 Maintenance................................................................................................................6
1.6 Recycling the Used Battery.........................................................................................6
1.7 Operation.....................................................................................................................6
1.8 Standards....................................................................................................................6
2 Installation ...............................................................................................................................7
2.1 Unpacking and Inspecting...........................................................................................7
2.2 Rear Panel View..........................................................................................................8
2.2.1 Maintenance Bypass Distribution Module.......................................................9
2.2.2 Product Overview..........................................................................................10
2.2.3 Maintenance Bypass Distribution Module Installation...................................11
2.2.4 Operation.......................................................................................................12
2.3 Tower Installation........................................................................................................12
2.4 Rack Installation.........................................................................................................14
2.5 Battery Wiring Diagram...............................................................................................14
2.6 Storage and Maintenance...........................................................................................14
2.7 UPS Electrical Connections/Installation .....................................................................14
3 Operation...................................................................................................................................17
3.1 User Interface ............................................................................................................17
3.1.1 Button Operations..........................................................................................17
3.1.2 LED Indicators................................................................................................17
3.1.3 LCD Panel......................................................................................................18
3.1.4 Operating Mode/Description...........................................................................19
3.2 UPS Operation............................................................................................................21
3.3 LCD Settings.............................................................................................................. 24
4 Troubleshooting..........................................................................................................................30
4.1 Audible Alarms.............................................................................................................30
4.2 Warning Indicators.......................................................................................................31
4.3 Warning Code Descriptions ........................................................................................31
4.4 Fault Code Descriptions .............................................................................................32
4.5 Troubleshooting Chart....... .........................................................................................33
5 Specications.............................................................................................................................34
6 Obtaining Service.......................................................................................................................35
7 Limited Warranty.........................................................................................................................36

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 3
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
Introduction
User Manual for Lead Acid Line Interactive UPS
This document is the User Manual for CPI 5000VA - 10kVA Lead Acid Interactive
Uninterruptible Power Supplies (UPS) (Sales Models VD5000B, VD6000B, VD10KB).
©2022 Chatsworth Products, Inc. All rights reserved.
UL Listed for use in U.S. and Canada.
Legal Information
The information contained in this guide is subject to change without notice. Chatsworth
Products, Inc. (CPI) shall not be liable for technical or editorial errors or omissions contained
herein; nor is it liable for any injury, loss, or incidental or consequential damages resulting from
the furnishing, performance or use of this material and equipment.

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 4
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
1 Safety Information
Please read carefully the following user manual and the safety instructions before installing the UPS
or using the UPS! Please comply with all warnings and operating instructions in this manual. Save this
manual 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 Transportation 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 ventilated and dry.
1.2 Preparation
• Condensation 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 to direct sunlight or nearby heaters.
• Do not block ventilation holes in the UPS housing.
1.3 Installation
• 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 location with good ventilation. Ensure enough space on each side for ventilation.
• UPS has provided a ground terminal for equipotential earth bonding to the external UPS battery
cabinets in the nal installed system conguration.
• The UPS can be installed only by qualied maintenance personnel.
• An appropriate disconnect device for short-circuit backup protection should be provided in
the building wiring installation, upstream of the UPS.
• An integral single emergency switching device which prevents further supply to the load by
the UPS in any mode of operation should be provided in the building wiring installation.
• Connect the ground before connecting to the building wiring terminal.
• Installation and wiring must be performed in accordance with the local electrical laws and
regulations.
1.4 Connection
• This UPS must be installed and grounded in accordance with local and national 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.
WARNING
HIGH LEAKAGE CURRENT
EARTH CONNECTION ESSENTIAL
BEFORE CONNECTING SUPPLY

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
• Use of this equipment in life support applications where failure of this equipment can reasonably
be expected to cause the failure of the life support equipment or to signicantly affect its safety
or effective-ness is not recommended. Do not use this equipment in the presence of a
ammable anesthetic 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 (battery). 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 Uninterruptible Power Supply (UPS)
Then check for Hazardous Voltage between
all terminals including the protected ground
Risk of Voltage Backfeed
1.5 Maintenance
• Do not try to repair the unit yourself, contact your local supplier or your warranty will be void.
• The following PRECAUTIONS should be observed:
o Remove watches, rings, or other metal objects.
o Use tools with insulated handles.
o Wear rubber gloves and boots.
o Do not lay tools or metal parts on top of batteries or battery cabinets.
o Disconnect the charging source prior to connecting or disconnecting terminal.
o Check to see if the battery is inadvertently grounded. If it is, remove the source of
grounding. Contacting with any part of the ground might result in electrical shock. The
likelihood of such shock can be prevented if such grounds are removed during installation
and maintenance.
• UPS is designed to supply power even when disconnected from the utility power. After
disconnect the utility and DC power, authorized service personnel should attempt internal
access to the UPS.
• Do not disconnect the batteries while the UPS is in Battery mode.
• Disconnect the charging source prior to connecting or disconnecting terminals.
• Batteries can result in a risk of electrical shock or burn from high short circuit current.
• When replacing batteries, use the same number of sealed, lead-acid batteries.
• Do not open or mutilate the battery. Released electrolytes are harmful to the skin and eyes,
and may be toxic.
• The battery will discharge naturally if the system is unused for a period of time and should
be recharged every 2-3 months if unused. During normal operation the batteries will be charged.
• Servicing of batteries should be performed or supervised by trained personnel with knowledge
of batteries and the required precautions.
• When replacing batteries, it is necessary to replace ALL batteries with the same quantity,
type & capacity.

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
CAUTION
Do not dispose of battery or batteries in a re. The battery may explode.
Do not open or mutilate the batteries. The electrolyte from the batteries is toxic and harmful to the skin
and eyes. Risk of Electric Shock –Hazardous voltage may exist between battery terminals and ground. A
battery can present a risk of electrical shock and high short circuit current.
1.6 Recycling the Used Battery
• Do not dispose of the battery in a re. Battery may explode. Proper disposal of battery is
required. Refer to your local codes for disposal requirements.
• Do not open or mutilate the battery. Released electrolyte is harmful to the skin and eyes. It
may be toxic.
• Do not discard the UPS or the UPS batteries in the trash. This product contains sealed, lead-
acid batteries and must be disposed properly. For more information, contact your local recycling/
reuse or hazardous waste center.
1.7 Operation
• Do not disconnect the ground conductor cable on the UPS or the building wiring terminals in
any time since this would cancel the protective ground of the UPS system and of all connected
loads.
• The UPS system features its own, internal current source (batteries). 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” button 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.
1.8 Standards
* Safety
Safety Conformance: IEC/EN 62040-1,UL1778 (5th Edition)
Safety Markings : UL, 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 Magnetic eld.............. :IEC/EN 61000-4-8 Level 4
Low Frequency Signals............................:IEC/EN 61000-2-2

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 7
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2 Installation
2.1 Unpacking and Inspection
Unpack the package and check the package contents. The shipping package contains:
• UPS
• User manual
• Front mount brackets and screws
• Viewpower monitoring software CD
• RS-232 cable
• USB cable
• Tower Mounting Feet
Unpack the Battery Pack and check the package contents. The shipping package contains:
• Battery Pack
• User manual
• Front mount brackets and screws
• DC Connection Cable
Unpack the Isolation Transformer and check the package contents. The shipping package contains:
• Isolation Transformer
• User manual
• Front mount brackets and screws
Unpack the Maintenance Bypass Distribution Module and check the package contents. The shipping
package contains:
• Maintenance Bypass Distribution Module
• (2) “L” mounting brackets and screws
NOTE: Before installation, please inspect the system components. Be sure that nothing inside the
package was damaged during transportation. Do not turn on the UPS system and notify 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.
2.2 Selecting Installation Position
It is necessary to select a proper environment to install the unit, in order to minimize the possibility of
damage to the battery pack and extend the life of the batteries. Please follow the instructions below:
• Keep at least 20cm (8 inches) clearance from the rear panel of the unit to the wall or other
obstructions.
• Do not block the air-ow to the ventilation openings of the unit.
• Please ensure the installation site environmental conditions are in accordance with the unit’s
working specications to avoid overheating and excessive moisture.
• Do not place the unit in a dusty or corrosive environment or near any ammable objects.
• This UPS system is not designed for outdoor use.

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 8
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2.2 Rear Panel Views
UPS Rear Panel
Figure 2-1
1. External battery connector
2. Intelligent slot
3. RS-232 communication port
4. USB communication port
5. Emergency power off function connector (EPO connector)
6. Input circuit breaker
7. Output terminals
8. Ground
9. Input terminals
10. Cooling Fan
11. External maintenance bypass switch port
2U Battery Pack 3U Battery Pack
1. DC connector cable: connects to either UPS or additional battery pack
2. DC connection point for additional battery pack
3. DC breaker: Battery over-current protection breaker

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 9
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
Figure 2-4
IT60A Isolation Transformer Rear Panel
2.2.1 Maintenance Bypass Distribution Module Introduction
The product is used as an external power distribution unit in conjunction with UPS systems or
large-scale voltage regulators. It allows to manually transfer the connected equipment to utility power
via a bypass switch, permitting scheduled maintenance or UPS replacement without power interruption.
Combined power distribution feature and the master-controlled design, it provides maintenance bypass
function and power saving within a rack mechanism.
Product Overview
BDM2A
BDM3A
1. Socket to UPS output
2. Socket to UPS input
3. Output cable and Circuit breaker
4. AC input
5. Output receptacle and Circuit breaker
6. RJ45(for connecting ups’ EMBS)
7. Bypass switch
8. Terminal Block Cover
9. Output Terminal
10. Earth terminal
11. AC input terminal

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 10
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2.2.2 Installation of Maintenance Bypass Distribution Module
Unpacking and Inspection
Unpack the package and check the package contents. The shipping package contains:
• Maintenance bypass distribution module x 1
• Quick guide x 1
• Mains power cord x 1
• Screws and mounting ears
NOTE: Before installation, please inspect the unit. Be sure that nothing inside the package is damaged
during transportation. Do not turn on the unit and notify 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.
Initial Setup
The Installation and wiring must be performed in accordance with the local electric laws/regulations and
execute the following instructions by professional personnel.
1) Make sure the mains wire and breakers in the building are enough for the rated
capacity of UPS to avoid the hazards of electric shock or re.
NOTE: Do not use the wall receptacle as the input power source for the UPS, as its
rated current is less than the UPS’s maximum input current. Otherwise, the receptacle may be burned
and destroyed.
2) Switch off the mains switch in the building before installation.
3) Turn off and shut down the connected UPS.
4) Prepare wires based on the following table:
UPS Model Wire Spec (AWG)
5K/6K 10
10K 8
NOTE 1: The cable for 10K should be able to withstand over 63A current. It is recommended to
use 8AWG or thicker wire for safety and efciency.
NOTE 2: The selections for color of wires should be followed by the local electrical laws and regulations.
5) Remove the terminal block cover on the rear panel of the module. Then connect the wires
according to the following terminal block diagrams:
Connect to the AC INPUT AND UPS
Plug the input power cord of the unit to the AC INPUT. Connect a power cord from UPS input to UPS
input socket on the unit. Use one power cord to connect UPS output to UPS output socket on the unit.

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 11
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2.2.3 Maintenance Bypass Distribution Module Operation
Transfer to Maintenance Bypass
To transfer to maintenance bypass from UPS, follow the below steps:
Step 1: Press “OFF” button of UPS unit to transfer to bypass mode.
Step 2: Open the maintenance switch door. If step 1 is not executed rst, then UPS unit will transfer to
bypass mode automatically with control output signal connection when opening the maintenance switch
door.
Step 3: Transfer rotary switch to “BPS” position and switch off UPS input breaker on the module. Then,
all devices are directly powered by utility and there is no current through the UPS. The output and input
of UPS are isolated from the system. You may now service or maintain the UPS by shutting down the
batteries of UPS.
Transfer to UPS Protection
After maintenance service is done, follow below steps to transfer back to UPS operation.
Step 1: Switch on the input breaker of the module and reconnect UPS battery input breaker. Then UPS
will enter to bypass mode.
Step 2: Transfer rotary switch to “UPS” position. Then, all devices are powered by utility through UPS
bypass mode.
Step 3: Close back maintenance switch door and press “ON” button of UPS unit. Then, all devices are
protected by the UPS.
NOTE: If maintenance will be executed in another place, before removing the UPS and the module,
please follow steps of “Transfer to Maintenance Bypass” and then disconnect all wires between UPS
and the module for complete isolation.
2.2.4 Specication of Critical Components
Parameter 5K/6K Max. 10K Max.
Input breaker Current 50 A 63 A
Voltage 250 V 250 V
Bypass switch Current 80 A 80 A
Voltage 600 V 600 V

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 12
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2.3 Tower Installation
The UPS system is shipped with two sets of feet and 6 extensions (2 short extensions plus 4 long
extensions) that can be used to tower install the UPS module in battery pack.
Install UPS module
Assemble two feet and one short extension as one tower stand shown in step 1. Align the two stands
approximately 14” (350 mm) apart in step 2. Then, put UPS module in the stands as shown in step 3.
Step 1 Step 2 Step 3
Install UPS module and one battery pack
Assemble two feet and two long extensions as one tower stand shown in step 1. Align the two stands
approximately 14 in. (350 mm) apart in step 2. Then, put UPS module and battery bank in the stands as
shown in step 3.
Step 1 Step 2 Step 3

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 13
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2.4 Rack Installation
Please follow below steps to mount UPS into 19” rack or rack enclosure.
Step 1: Attach mounting ears to the side mounting holes of UPS using the screws provided and the ears
should face forward.
Step 2: Install the optional rack rail kits into the rack to support the UPS, Iso transformer module, and
Battery Pack (one rail kit required for each piece).
Step 2: Lift the UPS module and slide it into rack enclosure. Attach the UPS module to the rack with
screws, nuts and washers (user-provided) through its mounting ears and into the rack rails.
Step 4: Install the Isolation Transformer module (if included) in the rack directly below the UPS,
duplicating the UPS module instructions above
Step 5: Mount the Maintenance Bypass Distribution Module (if included) to the rear of the 1st external
battery pack, using the included mounting bracket and screws.
Step 6: Install the External Battery Pack into the rack directly below the Iso Transformer module
(if included), or directly below the UPS if the Iso Transformer module is not included. duplicating the
UPS module instructions above
Step 7: install additional External Battery Packs (if included)

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 14
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
2.5 Battery Wiring Diagram
2U Battery Pack 240V 3U Battery Pack 240V
Figure 2-18 Figure 2-19
Type of Battery Required
These battery packs have been designed to operate with the following types of batteries:
2U battery pack: 240V/5Ah Version, 20 pieces of 12V 5Ah batteries
3U battery pack: 240V/580W Version, 20 pieces of 12V 580W batteries
2.6 Storage & Maintenance
The unit contains no user-serviceable parts. If the battery service life (3~5 years at 25°C ambient
temperature) has been exceeded, the batteries must be replaced. In this case, please contact your
dealer.
Storage
Before storing, charge the unit 4 hours. Store the unit covered and upright in a cool, dry location. During
storage, recharge the battery in accordance with the following table:
Storage Temperature Recharge Frequency Charging Duration
-25°C - 40°C Every 3 months 1-2 hours
40°C - 45°C Every 2 months 1-2 hours
2.7 UPS Electrical Connections/Installation
Installation and wiring must be performed in accordance with the local electric laws/regulations and the
following instructions must be performed by qualied 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 off the mains switch in the building before installation.
3. Turn off all the connected devices before connecting to the UPS.
4. Prepare wiring based on the following table:

User Manual for Lead Acid Interactive UPS 04/22v.1 Page 15
VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
Model Wiring spec (AWG)
Input Output Ground
5K 10 10 10
6K 10 10 10
10K 8 8 8
Model Recommended Input Overcurrent Protection
5K 30A
6K 40A
10K 70A
NOTE: The selections for size and color of wires should follow the local electrical laws and regulations.
5. Remove the terminal block cover on the rear panel of UPS, connect the ground wire rst, then
connect the wires according to the following terminal block diagram: (Disconnect the ground
wire last when making wire disconnection)
UPS Terminal Block to Anderson Connector wiring diagram
Figure 2-20
6. After connecting the wires, replace the terminal block cover on the rear panel of the UPS.
7. Ensure that the battery pack breaker is in the “OFF” position. Then connect the battery pack
cable to the battery pack connector on the rear of the UPS. For additional battery packs, plug
the battery pack cable into the empty connector on the rear of the previous battery pack
Battery Pack Connections
Figure 2-21
Output L1 (Black)
Output L2 or N (Red)
Input L2 or N (blue)
Input L1 (brown)
Ground (green)
UPS
1st Battery Pack
2nd Battery Pack

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
8. On the Isolation Transformer module, place the red switch in correct position. 208 for 208V
installations and 240 for 240V installations. (Refer to figure 2-4)
9. Plug the power cord for the Isolation transformer module (if supplied) into one of the L6-30R
receptacles on the Maintenance Bypass Distribution Modules. (Refer to Figure 2-5)
10. Connect the External maintenance bypass switch wire on the Maintenance Bypass
Distribution Modules to the External maintenance bypass switch port on the UPS.
(Refer to figures 2-5 and 2-1)
NOTE 1: Make sure all wires are connected securely.
NOTE 2: Please install the output over current protection breaker between the output terminal and the
load on hardwired systems. The breaker should be qualified with leakage current protective function if
necessary.
Warning:
For standard battery pack, there is one DC breaker to disconnect the battery pack and
the UPS. Switch o󰀨 the battery breaker before installation. Make sure the utility
input & output wiring, is correct. The wire current spec, color, position, connection and
conductance reliability should be in accordance with local and national electrical code.
Software Installation
For optimal computer system protection, install UPS monitoring software to fully congure UPS
shutdown. Refer to Viewpower CD.

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
3 Operation
3.1 User Interface
3.1.1 Button Operation
Buon Funcon
ON/Enter Button Turn on the UPS: Press and hold the button more than 0.5s to turn on the UPS.
Enter Key: Press this button to conrm the selection in setting menu.
OFF/ESC Button Turn off the UPS: Press and hold the button more than 0.5s to turn off the UPS.
Esc key: Press this button to return to last menu in setting menu.
Test/Up Button Test/Up Button Battery test: Press and hold the button more than 0.5s to test the bat-
tery while in AC mode, or CVCF mode.
UP key: Press this button to display next selection in setting menu.
Mute/Down Button Mute the alarm: Press and hold the button more than 0.5s to mute the buzzer. Please
refer to section 3-4-9 for details.
Down key: Press this button to display previous selection in setting menu.
Test/Up + Mute/Down
Button
Press and hold the two buttons simultaneously for more than 1s to
enter/escape the setting menu.
* CVCF mode means converter mode.
3.1.2 LED Indicators
There are 4 LEDs on front panel to show the UPS working status:
Mode LED Bypass Line Battery Fault
UPS Startup ●●●●
Bypass mode ●○○○
AC mode ○●○○
Battery mode ○○●○
CVCF mode ○●○○
Battery Test ●●●○
ECO mode ●●○○
Fault ○○○●
Note: ● means LED is lighting, and ○ means LED is faded.
LED indicators

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
3.1.3 LCD Panel:
Display Function
Backup time information
Indicates battery runtime remaining time in numbers
H: hours, M: minutes, S: seconds
Fault information
Indicates that the warning and fault occurs.
Indicates the fault codes, and the codes are listed in details in section 3-9.
Mute operation
Indicates that the UPS alarm is disabled.
Output & Battery voltage information
Indicates the output voltage, frequency or battery voltage.
Vac: output voltage, Vdc: battery voltage, Hz: frequency
Load information
Indicates the load level by 0-25%, 26-50%, 51-75%, and 76-100%.
Indicates overload.
Indicates the load or the output is short.

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
Mode operation information
Indicates the UPS connects to the mains.
Indicates the battery 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.
Battery information
Indicates the Battery capacity by 0-25%, 26-50%, 51-75%, and 76-100%.
Indicates the battery is not connected.
Indicates low battery level and low battery voltage.
Input & Baery voltage informaon
Indicates the input voltage or frequency or battery voltage.
Vac: Input voltage, Vdc: battery voltage, Hz: input frequency
3.1.4 Operating Mode/Status Description
If parallel UPS systems are successfully set up, it will show one more screen with “PAR” in parameter 2
and be assigned number in parameter 3 as below parallel screen diagram. The master UPS will be de-
fault assigned as “001” and slave UPSs will be assigned as either “002” or “003”. The assigned numbers
may be changed dynamically in the operation.

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VD-Series (5000VA-10kVA)Chatsworth Products (CPI)
Operating mode/status
AC mode
Descripton
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 AC
mode.
LCD display
ECO mode
Description When the input voltage is within voltage regulation range and ECO mode is
enabled, UPS will bypass voltage to output for energy saving.
LCD display
CVCF mode
Description
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 still charge battery
under this mode.
LCD display
Battery mode
Description When the input voltage is beyond the acceptable range or power failure,
UPS will backup power from battery and alarm will beep every 4 seconds.
LCD display
Bypass mode
Description When input voltage is within acceptable range and bypass is enabled, turn
off the UPS and it will enter Bypass mode. Alarm beeps every two minutes.
LCD display
Battery Test Description
When UPS is in AC mode or CVCF mode, press “Test” button for more
than 0.5s. Then the UPS will beep once and start “Battery Test”. The line
between I/P and inverter icons will blink to remind users. This operation is
used to check the battery status.