Uninterruptible Power Supply LV 5KL User manual

3/3 208V 5KL/5KL DUAL/10KL/10KL DUAL
3/3 400V 10KL/10KL DUAL/15KL/15KL
DUAL/20KL/20KL DUAL
Rack/Tower Online UPS
Uninterruptible Power Supply System
Version: 1.0
User Manual

Please comply with all warnings and operating
instructions in this manual. This equipment
should only be installed, serviced, and
maintained by qualified personnel. Do not
operate this unit before reading through all
safety information and operating instructions
carefully.
Disclaimer
We assumes no responsibility or liability for loss or damages, whether direct, indirect,
consequential or incidental, which might arise out of the use of such information. The use of
any such information will be entirely at the user’s risk. Information in this manual is subject to
change without notice. We make no commitment to update or keep current the information in
this manual. If you find information in this manual that is incorrect, misleading, or incomplete,
we would appreciate your comments and suggestions.

Table of Contents
1. SAFETYAND EMC INSTRUCTIONS...........................................................................................................................1
1-1.TRANSPORTATION AND STORAGE..................................................................................................................................1
1-2. PREPARATION................................................................................................................................................................ 1
1-3. INSTALLATION............................................................................................................................................................... 1
1-4. CONNECTION WARNINGS ...................................................................................................................................2
1-5. OPERATION ................................................................................................................................................................... 3
1-6. STANDARDS..................................................................................................................................................................3
2. INSTALLATION AND OPERATION .............................................................................................................................4
2-1. UNPACKING AND INSPECTION .......................................................................................................................................4
2-2. FRONTAND WIRING TERMINAL VIEW........................................................................................................................... 5
2-3. SINGLE UPS INSTALLATION..........................................................................................................................................6
2-4. UPS INSTALLATION FOR PARALLEL SYSTEM................................................................................................................. 7
2-5. SOFTWARE INSTALLATION............................................................................................................................................. 8
3. OPERATIONS ...................................................................................................................................................................9
3-1. BUTTON OPERATION..................................................................................................................................................... 9
3-2. LED INDICATORS AND LCD PANEL .............................................................................................................................. 9
3-3.AUDIBLE ALARM ........................................................................................................................................................ 11
3-4. SINGLE UPS OPERATION ............................................................................................................................................ 11
3-5. PARALLEL OPERATION ................................................................................................................................................ 14
3-6.ABBREVIATION MEANING IN LCD DISPLAY................................................................................................................ 16
3-7. LCD SETTING............................................................................................................................................................. 16
3-8. LCD MAIN INTERFACE............................................................................................................................................... 28
3-9. FAULT CODE............................................................................................................................................................... 29
3-10. WARNING INDICATOR............................................................................................................................................... 30
3-11. WARNING CODE ....................................................................................................................................................... 30
4. TROUBLE SHOOTING ................................................................................................................................................. 31
5. STORAGE AND MAINTENANCE............................................................................................................................... 33
5-1. STORAGE .................................................................................................................................................................... 33
5-2. MAINTENANCE ........................................................................................................................................................... 33
6. SPECIFICATIONS FOR 400V....................................................................................................................................... 34

1
1. Safety and EMC instructions
All safety instructions in this document must be read, understood and followed.
1-1. Transportation and Storage
Please transport the UPS system only in the original packaging to protect against shock and
damage.
The UPS must be stored in the room where the temperature is well regulated. Ambient
temperature should not exceed 40°C.
1-2. Preparation
Condensation may from if the UPS system is moved from cold to warm environment immediately.
The UPS system must be absolutely dry before being installed. Please allow at least two hours for
the UPS system to acclimate 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 heat
source.
Do not block ventilation holes on the UPS housing.
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.
Place cables in such a way that no one can step on or trip over them.
Do not block air vents on the housing of the UPS. Ensure proper unit spacing of ventilation.
UPS equipped with grounding terminal, in the final installation phase, connect grounding/
earthing wire to the external UPS battery cabinets or appropriate grounding terminals.
The UPS can be installed only by qualified maintenance personnel.
An appropriate disconnect device such as short-circuit backup protection should be incorporated
during installation.
An integral emergency shutoff switch which prevents additional load from the UPS in any mode
of operation should be implemented during the installation.
Secure the grounding/earthing wire before connecting to any live wire terminal.
Installation and Wiring must be in accordance with the local electrical laws and regulations.

2
1-4. Connection Warnings
•There is no standard backfeed protection inside of the UPS. However, there are relays on the Input to
cut off line voltage and while the neutral is still connect to UPS.
Main
Input
Input Rly
UPS
L1
L2
L3
N
Main
Input
InputRly
UPS
L1
L2
L3
N
Bypass
Input
InputRly
L1
L2
L3
N
Input relay diagram Input relay diagram for dual-input model
•This UPS should be connected with TN grounding/earthing system.
•The power input for this unit must be three-phase rated in accordance with the equipment nameplate. It
also must be suitably grounded.
•Use of this equipment in medical instrument of any life-sustaining equipment where failure of this
equipment can reasonably be expected to cause the failure of the life-sustaining equipment or to
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.
•In accordance with safety standard EN-IEC 62040-1, installation has to be provided with a《Backfeed
Protection》system, as for example a contactor, which will prevent the appearance of voltage or
dangerous energy in the input mains during a mains fault (see figure 24 and respect the wiring diagram
of «Backfeed Protection» depending if the equipment is with signal or three phase input).
There can be no derivation in the line that goes from the «Backfeed Protection» to the UPS, as
the standard safety would be infringed.
•Warning labels should be placed on all primary power switches installed in places away from the unit 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 earth
Risk of Voltage Backfeed
WARNING
HIGH LEAKAGE CURRENT
EARTH CONNECTION ESSENTIAL
BEFORE CONNECTING SUPPLY

3
1-5. Operation
Do not disconnect the grounding/earthing conductor cable on the UPS or the building wiring
terminals under any circumstance.
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. (only for standard models)
In order to fully disconnect the UPS system, first press the “OFF” button and then disconnect the
mains/live wires.
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.
1-6. Standards
* Safety
IEC/EN 62040-1
* EMI
Conducted Emission...............................:IEC/EN 62040-2
Category C3
Radiated Emission..................................:IEC/EN 62040-2
Category C3
*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 field.............. :IEC/EN 61000-4-8
Level 4
Low Frequency Signals............................:IEC/EN 61000-2-2
Warning: This is a product for commercial and industrial application in the
second environment-installation restrictions or additional measures may be
needed to prevent disturbances.

4
2. Installation and Operation
These series came with two VAC systems: 208V and 400V. Please refer following table.
VAC System
Model
Type
208V
LV 5KL/10KL
Long-run
model
LV 5KL/10KL DUAL
400V
HV 10KL/15KL/20KL
HV 10KL/15KL/20KL DUAL
We also offer optional parallel function for both models upon request. The UPS with parallel function is called
the “Parallel model”. We have detail installation and operation procedure of the Parallel Model in the
following chapter.
2-1. Unpacking and Inspection
Unpack the package and check the package contents. The shipping package should contain:
● One UPS
●One user manual
● One monitoring software CD
●One RS-232 cable (option)
●One USB cable
●One parallel cable (only available for parallel model)
●One shared current cable (only available for parallel model)
NOTE: Before the installation, please inspect the unit. Be sure that there is no physical damage to the unit.
Do not turn on the unit and notify the carrier and dealer immediately if there is any damage or missing parts
and accessories. 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.

5
2-2. Front and Wiring Terminal View
Diagram 1:Front Panel
Diagram 2: Rear Panel and Input/Output terminal
1. USB communication port
2. External Maintain Bypass Switch connector (EMBS Connector)
3. Emergency power off function connector (EPO connector)
4. Share current port (only available for parallel model)
5. Parallel port (only available for parallel model)
6. Intelligent slot
7. External battery connector/terminal (Only available for long-run model)
8. Line input circuit breaker/switch
9. Line input terminal
10. Output terminal
11. Bypass input terminal
12. Input grounding terminal
13. Output grounding terminal

6
2-3. 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.
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. The receptacle may be damaged and destroyed.
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 wires based on the following table:
Model
Wiring spec (AWG)
Input(Ph)
Output(Ph)
Neutral
Battery
Ground
HV 10KL/ LV5KL
14
14
10
8
8
HV 15KL
12
12
10
8
8
LV 10KL/ LV 10KL DUAL
HV 20KL/ HV 20KL DUAL
10
10
6
8
6
NOTE 1: The cable for HV 10KL, LV 5KL, 10KL DUAL and LV 5KL DUAL should be able to withstand
over 20A current. It is recommended to use AWG 14 or thicker wire for Phase and AWG10 or thicker
wire for Neutral for safety and efficiency.
NOTE 2: The cable for HV 15KL and HV15KL DUAL should be able to withstand over 30A current. It is
recommended to use AWG 12 or thicker wire for Phase and AWG10 or thicker wire for Neutral for
safety and efficiency.
NOTE 3: The cable for HV 20KL, HV 20KL DUAL, LV 10KL and LV 10KL DUAL should be able to
withstand over 40A current. It is recommended to use AWG10 or thicker wire for Phase and AWG 6 or
thicker wire for Neutral for safety and efficiency.
NOTE 4: The selections for color of wires should be followed by the local electrical laws and
regulations.
5) Remove the terminal block cover at the rear panel of UPS. Then connect the wires according to the
following terminal block diagrams: (Connect the grounding/earthing wire first when making wire
connections. Disconnect the earth wire after disconnect the power wire.)
Terminal block wiring diagram

7
PBAT
NBAT
TO UPS BAT+
TO UPS BAT N
TO UPS BAT-
Battery wire connect schematic
NOTE 1: Make sure that the wires are connected tightly with the terminals.
NOTE 2: Please install the output breaker between the output terminal and the load, and the breaker
should be qualified with leakage current protective function if necessary.
6) Put the terminal block cover back at the rear panel of the UPS.
Warning: (Only for standard model)
● Make sure the UPS is not turn on before the installation. The UPS should not be turned on during wiring
connection.
● Do not attempt to modify the standard model into the long-run model. Particularly, do not try to connect
the standard internal battery to the external battery. The battery type and voltage may be different, if
you connect them together, it maybe cause the hazard of electric shock or fire!
Warning: (Only for long-run model)
● Make sure a DC breaker or other protective device between UPS and the external battery pack is
installed. If not, please install it carefully. Switch off the battery breaker before installation.
NOTE: Set the battery pack breaker in “OFF” position and then install the battery pack.
● Pay highly attention to the rated battery voltage marked on the rear panel. If you want to change the
numbers of the battery pack, please make sure you modify the setting simultaneously. The Connection
with wrong battery voltage may cause permanent damage of the UPS. Make sure the voltage of the
battery pack is correct.
● Pay highly attention to the polarity marking on external battery terminal block. And make sure the
correct battery polarity is connected. Wrong connection may cause permanent damage of the UPS.
● Make sure the protective earth ground wiring is correct. The wire current spec, color, position,
connection and conductance reliability should be checked carefully.
● Make sure the utility input & output wire is correct. The wire current spec, color, position, connection and
conductance reliability should be checked carefully. Make sure the L/N side is correct, not reverse or
short-circuited.
2-4. UPS Installation for Parallel System
If the UPS is only available for single operation, you may skip this section to the next.
1) Install and wires the UPS according to the section 2-3.
2) Connect the output wires of each UPS to an output breaker.
3) Connect all output breakers to a major output breaker. Then this major output breaker will directly
connect to the loads.
4) Common battery packs or independent battery packs are allowed.