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KStar YDC9300-0.8 User Manual

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All rights reserved.
The information in this document is subject to change without notice.
Publish statement
Thank you for purchasing this series UPS.
This series UPS is an intelligent, three phase in single phase out, high frequency online
UPS designed by our R&D team who is with years of designing experiences on UPS. With
excellent electrical performance, perfect intelligent monitoring and network functions,
smart appearance, complying with EMC and safety standards, This UPS has become
standard product meets the world's advanced level.
Read this manual carefully before installation
This manual is for
Equipment operator
Technical support
- 1 -

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Summary of Contents for KStar YDC9300-0.8

  • Page 1 All rights reserved. The information in this document is subject to change without notice. Publish statement Thank you for purchasing this series UPS. This series UPS is an intelligent, three phase in single phase out, high frequency online UPS designed by our R&D team who is with years of designing experiences on UPS. With excellent electrical performance, perfect intelligent monitoring and network functions, smart appearance, complying with EMC and safety standards, This UPS has become standard product meets the world’s advanced level.

  • Page 2: Safety Instruction

    Safety Instruction 1. Prohibition 1.1There is a high risk of electric shock from the UPS inside, so please don’t not open or remove the casing or front panel unless it is operated by authorized technicians, otherwise warranty becomes void as well. 1.2 Please contact and discuss with distributors before connecting the UPS to following equipments ...
  • Page 3 Battery life cycle will be shorter as environment temperature rise. Replacing battery periodically can help to keep UPS in normal status and assure backup time required. Battery replacement should be done by authorized technician. Keep the UPS in a dry area or environment if it will not be free of operation for long time.

  • Page 4: Table Of Contents

    Contents 1.Product Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6 1.1 Application- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6 1.2 Product range - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6 1.3 System principle diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6...
  • Page 5 3.2.5 Invert power off- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 27 3.2.6 Power off - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 27 3.3 Working Mode and transferring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 28 3.3.1 Transfer to bypass if overload - - - - - - - - - - - - - - - - - - - - - - - - - - - 28 3.3.2 Normal mode to battery mode - - - - - - - - - - - - - - - - - - - - - - - - - - -28...

  • Page 6: Product Introduction

    1. Production 1.1 Application This series UPS, providing reliable AC power to various equipment, can be used for computer center, network management center, auto control system, telecom system, etc. 1.2 Product range Capacity 10kVA 15kVA 20kVA Model Standard model Extended model Standard model Extended model with internal...

  • Page 7: Features

    1.4 Features This series 10kVA/15kVA /20kVA UPS is newly introduced. It is an intelligent online sine wave UPS.  High frequency, double conversion, high input power factor, wide input voltage range, the output will not be disturbed by power network, suitable for area with poor power supply condition ...

  • Page 8: Lcd Operation Instruction

    1.5.2 LCD Operation instruction LCD control panel consists of LCD display board, LED and buttons, see Fig1-3, which displays and controls these information including operating information, alarm information, function setting information.  LCD control panel Five green LED and one red LED LCD control panel which can display two lines of Chinese or four line of English Button : On, Off, ESC, Enter, and Left ,Right.
  • Page 9  LED indicator definition Fault Indicator（red）：On indicates when a fault occurred; Off means no fault Indicator（Green）：On means AC is normal, Off means AC is not present, blinking means voltage is beyond normal range Inverter Indicator（Green）：On : when load is powered by inverter, Off : when it is not working, blinking: when overload Bypass Indicator（Green）：On : when UPS is in bypass mode, Off: not in bypass mode;...
  • Page 10  Button definition Button Definition Switch on the inverter by pressing and holding it for 1s when the UPS is off Switch off the inverter output by pressing and holding it for 1s when the UPS is on, load will be powered by bypass output if the bypass is normal Confirm the operation cancel to up menu...

  • Page 11: Display Instruction

    1.5.3 Display instruction The main interface below comes out when the power is connected or the system is in cold start. See Fig1 YDC9310 10KVA Fig.1：Main interface Press any key, it will change to the basic status interface , see Fig2 below MODE:On-Line Volt:AN BN CN Vin: 220 219 221...
  • Page 12 Figure Figure Figure INVERT PBATT Discharge NBATT 220.0V 0.0A 0.0A 50.0HZ Fig.7：INVERT INFO Fig.8：BATTERY INFO Fig.9 BATTERY INFO Figure Figure Figure BUS VOLT PARALLEL Temperature -390V +390V ID:01 00℃ Fig.10：BUS INFO Fig.11：PARALLEL INFO Fig.12：TEMPERATURE INFO Select and confirm the status info to be viewed in detail, including status information, alarm information, code, power rating, version.
  • Page 13 Select and confirm setting menu , setting information will be displayed on the screen, which includes client setting, system setting, parallel setting, battery setting, correct setting. Setting Setting User Battery Set System Parallel set Fig.20：setting menu Fig.21：setting menu  Select and confirm client setting ,then see Fig. 22. Setting User Set BackLight 2...

  • Page 14: Battery Test

     Select and confirm parallel menu，then see Fig.29～Fig.30 Setting Setting Parallel Set Parallel Set P-Redund P-Amount NO LBS Fig.29：Parallel setting Fig.30：Parallel setting  Setting battery see Fig. 31～Fig. 34 Setting Setting Setting Battery Set Battery Set Battery Set 1.60 Batt-G Boost 2.30 Batt Num...
  • Page 15 8） Warning message see Fig.41～Fig.46 Warning! Warning! Warning! Interrupt Set no Echo:31 Set Error:31 switch prompt Sure:Ent No:ESC Fig.41 no echo for setting Fig.42 error for setting Fig.43 switch delay Warning! Warning! Warning! Off will cause Off will cause Switch Limited sys.Overload output fail Sure:Ent...

  • Page 16: Rear Panel Instruction

    1.5.4 Rear panel instruction Fig.1-4 YDC9310H/S Rear Instruction AC input Maintenance bypass switch (covered) Handle Output Input Dry contact RS232 RS485 Intelligent slot 10) Parallel slot 11) External battery connector - 16 -...
  • Page 17 Fig.1-5 YDC9315/YDC9320 Rear Instruction Input Output AC input Maintenance bypass switch Dry contact RS232 RS485 Intelligent slot Parallel slot 10) External battery connector - 17 -...

  • Page 18: Installation

    2 Installations 2.1 Unpack checking Don’t lean the UPS when moving it out from the packaging. Check the appearance to see if the UPS is damaged during the transport, do not switch on the UPS if any damaged found and please contact the dealer. Check the accessories according to the packing list and contact the dealer if found any parts missing.

  • Page 19: Installation

    Fig.2-1b Wrong power configuration 2.2.2 Installation  External battery connection (for extended model only ) Make sure battery quantity complies with the specs. Measure the voltage of battery bank after finishing connection and the battery voltage should be around 240VDC. Don’t mix batteries with different capacity, manufacturers and don’t mix brand new and old batteries, either.
  • Page 20 BAT+ BATN BAT- BAT+（8/9/10） BAT-（8/9/10） Fig.2-2b YDC9310H External battery connection BAT- BATN BAT+ BAT-（8/9/10） BAT+（8/9/10） Fig.2-2c YDC9315/9320 External battery connection - 20 -...
  • Page 21  UPS input and output connection Minimum 5AWG copper wires are required for the 10K-20KVA, including input/output cables, battery cables. 1) Switch off all breakers before connecting cables 2) Remove the cover of the terminals, see Fig 2-3, then follow them to connect the cables correctly.
  • Page 22 3) Connect the UPS output L, N, E to L, N, E of load via a PDU. Tighten the screws and shelter the terminals ！ WARNING Please connect the output Earth well before other operation  Connection of the UPS communication cables RS-232 cable provided in accessories can be used to connect the UPS with PC Follow step below is to install SNMP (if purchased )：...

  • Page 23: Connection Of Parallel System

    2.3 Connection of parallel system Parallel Parallel Parallel cable cable cable UPS1 UPS4 UPS2 UPS3 Fig.2-4 parallel system Make sure all the breakers are off and no output at the UPS output. CAUTION Connect the A/B/C/N/L and E well Configured individual battery bank for each extend backup UPS in parallel system.

  • Page 24: Operation

    3. Operation 3.1 Working modes The UPS has AC mode, bypass mode, battery mode and ECO mode 3.1.1 AC mode If the AC input and load capacity are in normal ranges, load will be powered by inverter output, battery will be charged at the same time. AC and inverter indicators on LCD control panel will be on (green).

  • Page 25: Eco Mode

    3.1.4 ECO mode In AC mode, the UPS can be set to work in ECO mode if the load has no strict requirement on the power purity and the UPS can stay in bypass mode normally. If the AC is beyond normal range, the UPS will transfer back to inverter mode. The Efficiency for the UPS in ECO mode is much higher.

  • Page 26: Operation

    3.2 Operation 3.2.1 Power on Switch on the AC input and bypass circuit breakers if all connections are correct. If external batteries are connected, please switch on the battery breaker first, then the AC breaker. Fans will spin, the system will execute self-diagnostics. After the self diagnostics is finished, the buzzer inside will beep twice.

  • Page 27: Manual Battery Testing

     Battery mode UPS can start in battery mode even if the AC is absent. Press the On button and hold for 1 second until hearing one beep, battery and inverter indicators will be on after finishing self-diagnostics. The UPS will beep once every 3 seconds which means it is working in battery mode 2) Add load as in AC mode above.

  • Page 28: Working Mode And Transferring

    3.3 Working Mode and transferring Usually, the UPS should be set to work in AC mode, so it will transfer to battery mode automatically without interruption when AC is failed. When the UPS is overloaded, it will transfer to bypass mode without interruption. When the inverter is defective or over-temperature, the UPS will transfer to bypass mode if the bypass is normal.

  • Page 29: Ups Monitoring

    3.4 UPS monitoring Please refer to the instruction of the UPS monitoring software provided. 3.5 LCD operation menu 3.5.1 Main menu switching Press the left/right arrow and the ENT button can switch among alarm info, running parameter and function settings. Press the ENT to enter alarm info, running parameter or function settings.

  • Page 30: Maintenance

    4 Maintenance Please follow 2.2.1 to install the UPS 4.1 Fan maintenance Continual working time of the fan is 20000 to 40000 hours. It will be shorten as temperature raises. Please check the fan periodically, make sure there is wind blown out front it.

  • Page 31: Ups Status Checking

    4.4 UPS status checking To check to see if there is any fault , the fault indictor is on or any alarm there or not. Please find the cause if the UPS is working in bypass mode. If the UPS is working in battery mode, make sure it is normal; on the contrary, please find out the cause 4.5 Function checking Do function checking once every 6 months.

  • Page 32: Trouble Shooting

    5 Trouble shooting Please contact the distributor if problems can not be solved by trouble shooting below Problem description Probable causes Solution No display on the A Input power absent Use Multi-meter to measure the LCD, no self- B Low input input to see if it is normal or not.
  • Page 33 Long beep fault indicator on, the LCD Eliminate the short circuit and Output short circuit shows “output short restart UPS circuit ” Long beeps, fault indictor on, the LCD shows“ rectifier Fault inside UPS Contact distributor fault”/“inverter fault”/“auxiliary power fault”/“output fault” Abnormal sound or shut down UPS immediately and Fault inside UPS...

  • Page 34: A1 Rs232 Communication Port Definition

    Appendix 1. RS232 communication port definition Definition of Male port： Pin 2 receive, pin 3 send, Pin 5 ground, others floating Connection between PC RS232 port and UPS RS232 port PC --------------------- UPS RDX 2<------------------- TX 2 TDX 3--------------------> RX 3 GND 5--------------------- GND 5 Available function of RS232 ■...

  • Page 35: A2 Specification

    Appendix 2. Specification Capacity 10KVA/8KW 15KVA/12KW 20KVA/16KW Type 10KVA-H/S 15KVA-H 20KVA-H Input mode Three phase ≥0.99 Power factor rated voltage 220VAC/230VAC（can be set） rated frequency 50Hz/60Hz（can be set） Voltage range 145~280V Frequency range 40~70Hz max：+5%， +10% or +15%， default +5% Bypass voltage range min：-20%, -30% or -45%, default -45% Bypass frequency range...
  • Page 36 5.0% Dynamic respond 20ms ≤500mV DC heft Between Normal mode and battery mode 0ms。 Between inverter and unlock：＜15ms (50Hz), ＜13.33ms (60Hz) bypass Noise <55dB（1m） Display LCD+LED Safety Meet IEC62040-1 GB4943。 Max input voltage 320Vac，1Hr Conduction ：IEC 62040-2 Radiation ：IEC 62040-2 Harmonics ：IEC 62040-2 IEC 62040-2 MTBF...

  • Page 37: A3 Option

    Appendix 3. Option Extended battery box Dry contact card SNMP card Parallel card Appendix 4. UPS message table 01（running） 0x01 Non output 0x02 on bypass 0x03 on online 0x04 on battery 0x05 Battery self-testing 0x06 Inverter starting 0x07 ECO mode 0x08 0x09 maintenance bypass...
  • Page 38 Capacity no enough Overload to shutdown Overload to bypass Parallel to bypass Switch times up to limit Master MB switch close Input switch close 00： no out； 01： bypass； 10： invert 0（hold） 0（hold） 03：（Alarm A） Rectifier fault Rectifier over temp Invert over temp rectifier over current Assistant supply 1 fault...
  • Page 39 Frequency of Input over limit Voltage of Input over limit 0（hold） 0（hold） 04：（Alarm B） Inverter fault Bridge cross of inverter Invert SCR short circuit Invert SCR open circuit bypass SCR short circuit bypass SCR open circuit CAN communication fault Current no equality for parallel Bypass phase wrong Sync fault Bypass over track...

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