Tescom DS330H User Manual
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Tescom DS330H User Manual

Uninterruptible power supply system
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DS 300 HB Series
User Manual
Uninterruptible Power Supply System
3 phase In / 3 phase Out
40-80 kVA
DSP CONTROLLED UPS
Βόλου 7, 183 46 Μοσχάτο
Volou 7, 18 346, Moschato, Greece
+30 210 9590080
www.tescom-ups.gr
info@tescom-ups.gr

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Mbotshana Timothy
April 20, 2025

382 During power on L3 phase bypass SCR must be off but at the L3 phase output there is AC voltage, is it possible to get a circuit diagram to trouble shoot the circuit board for the SCR

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Summary of Contents for Tescom DS330H

  • Page 1 DS 300 HB Series User Manual Uninterruptible Power Supply System 3 phase In / 3 phase Out 40-80 kVA DSP CONTROLLED UPS Βόλου 7, 183 46 Μοσχάτο +30 210 9590080 www.tescom-ups.gr Volou 7, 18 346, Moschato, Greece info@tescom-ups.gr...

  • Page 2: Table Of Contents

    3.4. Status Codes ..................... 33 3.5. Alarm messages and quick troubleshooting ............39 IV. PARALLEL OPERATION ..................44 4.1 Introduction ......................44 4.2 Parallel Operation Mode setting of DS300HB Series UPSs ....... 45 4.3 Parallel mode status codes of the UPS .............. 48 www.tescom-ups.gr...
  • Page 3 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL V. PARALLEL OPERATING INSTRUCTIONS ............. 54 5.1 Introduction ......................54 5.2 Operating instructions for parallel connected UPSs ..........54 5.2.1 Starting UPSs from a completely shut down position ......... 54 5.2.2 Shutting down the UPS ................
  • Page 4 • The internal energy source (the battery) cannot be de-energized by the user. • When changing batteries, install the same number and same type of batteries. www.tescom-ups.gr...

  • Page 5: General Description

    DSP (Digital Signal Processor) controlled pure sine wave output to critical loads. TESCOM DS300HB Series units are 3-phase in/3-phase out devices, and they are installed between a three phase critical load, and a 3-phase+N mains supply The advantages of using DS300HB UPS: •...
  • Page 6 • Input, bypass and load phase order protection • Optional leakage current alarm system • Input and output isolation transformers (optional) • Enhanced accessory options • 100.000 hours MTBF • 2 years system warranty • 10 years spare parts warranty www.tescom-ups.gr...

  • Page 7: Design Concept

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 1.2 Design Concept Maintenance Bypass Switch (F4-F5-F6) Static Bypass 3 PHASE 3 PHASE ̃ AC Output MAINS I/P ̃ (F1-F2-F3) (F7-F8-F9) Inverter Rectifier / Charger (F10-F11-F12) Battery (Dual Polarity)

  • Page 8: Description Of Blocks

    At the end of the overloading period, if the fault condition is restored, static switch transfers the critical load again to the inverter output. Note that, during operation from the bypass supply, the critical load may be effected by any possible disturbances or power failure in the bypass supply. www.tescom-ups.gr...
  • Page 9 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 1.3 Front view of UPS Connection Panel Batt. circuit Generator Temperature Relay Relay Relay breaker input Emergency sensor output stop and input COM1 - RS232 Relay Output contacts Communation Socket (DB9 female)
  • Page 10 (DB9 female) PORT 2 COM2 - RS232 PARALLEL Communation Socket PORT 1 (DB9 female) On/off SNMP switch (AC input, F1-F2-F3) (Battery input, F10-F11-F12) (By-Pass, F4-F5-F6) (AC output, F7-F8-F9) (maintenance by-passʼı) Figure 1.3 b 80 kVA switches, fuses and interface connections www.tescom-ups.gr...

  • Page 11: Technical Specifications

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 1.4 Technical Specifications H MODELS / P.F = 0,9 DS330H DS340H DS360H DS380H DS3100H DS3120H DS3160H DS3200H DS3250H DS3300H DS3400H MODEL DS310H DS315H DS320H DS330H TESCOM CODE UPS.0647...

  • Page 12: Ups Installation

    8. Keep out of your equipment from explosive and flammable items. 9. Avoid direct sunlight, rain, and high humidity. WARNING!!! Check the capacity of the forklift if it is available for lifting. DO NOT LEAN OR LIFT THE UPS CABINET AFTER THE BATTERIES HAVE BEEN INSTALLED. www.tescom-ups.gr...

  • Page 13: Connecting The Ups Power Cables

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL Connecting the UPS Power Cables WARNING!!! A separate power line should be used to supply the UPS AC input. Never use the same line to supply another electrical device. Do not use any additional cable to increase the length of the UPSʼs input cable.

  • Page 14: Description Of Connection Terminals Of The Ups

    WARNING: Note that the Input Neutral (N1) MUST also be connected to K10 terminal 2.6.1 Description of connection terminals of the UPS : Figure 2.2 a 40 - 60 kVA Cable Connection Figure 2.2 b 80 kVA Cable Connection www.tescom-ups.gr...

  • Page 15: Battery Installation

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL • As shown on the power connection label of the UPS, U1, V1 and W1 phase of the incoming 3 phase supply are used as the bypass inputs under normal conditions, if there is not a separate bypass supply (split bypass).
  • Page 16 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL ( 0 ) ( + ) 360V 360V 30x12V Batteries 30x12V Batteries Figure 2.3 External Battery Connections (60x12V) www.tescom-ups.gr...
  • Page 17 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL Figure 2.3a DS300HB Series, 40 - 60 - 80 KVA Internal Battery Connections (2x30=60x12V 7Ah)
  • Page 18 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL Figure 2.3b DS300HB Series, 40 - 60 - 80 KVA Internal Battery Connections (2x60=120x12V 7Ah) two groups of batteries (with common-point) in parallel www.tescom-ups.gr...

  • Page 19: Front Panel

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL III. FRONT PANEL 3.1 Introduction The front panel of UPS, consisting of a 4 lines alphanumeric display, 7 status lamps, plus 5 function keys, allows the complete monitoring of the UPS status. The mimic flow diagram helps to comprehend the operating status of the UPS.
  • Page 20 Short battery test start Page1 Relay check Page2 Dialup modem programming Page2 Alarm sound ON/OFF Page3 Warning sound interval Page3 ENTER - EXIT TIME Current time Page1 Current date Page1 Set hour Page2 Set minute Page2 Set day Page3 www.tescom-ups.gr...
  • Page 21 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL Level 1 Level 2 Page Level 3 Set month Page3 Set year Page3 Update time and date Page4 ENTER - EXIT SERVİCE Operating hourmeter Page1 Maximum load Page1 ENTER Fault reset...

  • Page 22: Measurements Menu

    Fbyp: OK / 50.0 Measured bypass input frequency …………………………….. Current alarm messages Up previous page, down next page MEASUREMENTS / BYPASS Page 3(Level 3) ENTER - EXIT ENTER exit to upper menu …………………………….. Current alarm messages Up previous page, down next page www.tescom-ups.gr...
  • Page 23 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL MEASUREMENTS / INVERTER MENU (Level 2) All inverter measurements are located in this menu, use up and down buttons to move on submenu MEASUREMENTS / INVERTER Page 1 (Level 3) L1 L2 L3 Page header Vinv: 221/222/223 V...
  • Page 24 Measured internal sensor temperature …………………………….. Current alarm messages Up previous page, down next page MEASUREMENTS / GENERAL Page 2 (Level 3) ENTER - EXIT ENTER exit to upper menu …………………………….. Current alarm messages Up previous page, down next page www.tescom-ups.gr...

  • Page 25: Alarm Logs Menu

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 3.2.2 ALARM LOGS MENU Use this menu to see the alarm log records ALARM LOGS Page 1 (Level 2) UPS LOG RECORD Page header >001>081110 14:33:26 Event no ,date and time (left and right buttons move) ENTER CLEAR LOG ENTER buton clears all log memory...

  • Page 26: Options Menu

    Optional Relay 8 function selection Page4 Optional Relay 9 function selection Page4 Optional Relay 10 function selection Page5 Optional Relay 11 function selection Page5 Optional Relay 12 function selection Page5 Optional REPO input ON/OFF Page6 ENTER - EXIT Page7 www.tescom-ups.gr...
  • Page 27 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL OPTIONS / COMMUNICATION OPTIONS Page 1 (Level 3) REMOTE CNTRL: ON/OFF Left and right remote control ON/OFF >COM2:SERVICE PORT Com 2 serial port function selection SNMP : INTERNAL/EXTERNAL SNMP adaptor location ……………………………..
  • Page 28 Up upper line ,down next line ,(+) or (-) options ,ENTER select an option OPTIONS / BYPASS OPTIONS Page 2 (Level 3) ENTER - EXIT ENTER exit to upper menu …………………………….. Current alarm messages Up previous page ,down next page www.tescom-ups.gr...

  • Page 29: Command Menu

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 3.2.5 COMMAND MENU This menu contains UPS commands be carefull while using commands. Use up and down buttons to move cursor on submenu at the end of page you move to next page. <ENTER>...

  • Page 30: Service Menu

    SERVİCE MENU Page 4 (Level 2) ENTER - EXIT ENTER to EXIT from menu and return to upper level …………………………….. current alarms appears sequentially 3.2.8 ADJUST MENU This menu is prepared for service purposes there is no user adjustable parameter in this menu. www.tescom-ups.gr...

  • Page 31: User Pasword

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 3.2.9 USER PASSWORD Some commands or some option selections are required user password, if menu position is required password window comes to screen and UPS asks for user password. If you lost user password our service personnel will recover your user password.
  • Page 32 Currently the load exceeded 100% capacity A21 OVERTEMP Warning Currently inverter power modul heatsink temperature is high A22 OUTPUT OFF Warning There is no UPS output voltage A23 ON BYPASS Warning Load is on bypass A24 REVERSE CURRENT Warning Regenerative backfeed to UPS output www.tescom-ups.gr...
  • Page 33 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL A25 INV RESET Warning Inverter module power on A26 BATTERY LOW Warning Batteries are going to full discharge A27 GENERATOR MODE Warning Generator set is running A28 O/P PHASE LOSS Warning Anyone of the UPS output phases there is no voltage...

  • Page 34: Status Codes

    On L2 inverter output phase at last 100 milliseconds the alternance don't changed On L3 inverter output phase at last 100 milliseconds the alternance don't changed L1 phase output current sensor open L2 phase output current sensor open L3 phase output current sensor open www.tescom-ups.gr...
  • Page 35 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL INV L1-L2-L3 phase status codes Inverter stopped but on inverter L1 phase output still DC voltage sensed Inverter stopped but on inverter L2 phase output still DC voltage sensed Inverter stopped but on inverter L3 phase output still DC voltage sensed During inverter run at last 25 milliseconds the L1 phase output alternance is not changed During inverter run at last 25 milliseconds the L2 phase output alternance is not changed...
  • Page 36 INV Over RS232 interface Copy operating RAM to User settings zone command received INV Over CAN1 interface Copy operating RAM to User settings zone command received INV Over RS232 interface regenerative back feed activated INV Over CAN1 interface regenerative back feed activated www.tescom-ups.gr...
  • Page 37 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL INV Over RS232 interface fault reset command received INV Over CAN1 interface fault reset command received INV Over RS232 interface short battery test command received INV Over CAN1 interface short battery test command received INV Over RS232 interface long battery test command received INV Over CAN1 interface long battery test command received...
  • Page 38 PFC AC power failure on L2-L3 phases(phase to phase) 1514 PFC AC input voltage high on L1-L2 phases(phase to phase) 1515 PFC AC input voltage high on L1-L3 phases(phase to phase) 1516 PFC AC input voltage high on L2-L3 phases(phase to phase) www.tescom-ups.gr...
  • Page 39 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL PFC Control activity status codes 1612 PFC Battery quantity updated over RS232 interface 1613 PFC Battery quantity updated over CAN interface 1614 PFC rectifier Input frequency range updated over RS232 interface 1615 PFC rectifier Input frequency range updated over CAN interface 1616...

  • Page 40: Alarm Messages And Quick Troubleshooting

    For 10 hours boost charge mode is activated from UPS, at the end of 10 hours UPS returns to normal charge mode R19 AC HIGH The AC input votage of the UPS is 20% higher then nominal input votage, wait until the AC input voltage is normal. www.tescom-ups.gr...
  • Page 41 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL R20 INPUT CB OPEN The input of the UPS is isolated from mains power with contactor ,this message will be shown with another alarm always. Check the other alarm code. R21 PFC STOP Rectifier is stopped itself wait it must start again, another alarm code shows the reason of the rectifier stop.
  • Page 42 ,switches etc. at the distrubution panel. A20 OVERLOAD UPS is currently running but the load percentage exceede 100% capacity of the UPS ,if this situation continues inverter will stop after a delay.Check the loads at the UPS output. www.tescom-ups.gr...
  • Page 43 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL A21 OVERTEMP Inverter module heatsink temperature is highcheck the followings: -If UPS air inlets and outlets covred by dust clean -If any material prevents air flow at UPS air inlets or outlets take the material -If UPS ambient temperature is high then 45 C, use air cooling system A22 OUTPUT OFF During mains failure if the battery backup time is finished this message is normal ,there is no energy so the...
  • Page 44 Alarm shows us the output current is very high (higher then 150%) the UPS limited the output current. This status is temporary but if continues call service. A38 FUSE FAILURE Call service A39 PSP FAILURE Call service A43 USER LOGIN User logged in to UPS this is only warning A45 SERV.PASSWORD Call service , UPS start impossible www.tescom-ups.gr...

  • Page 45: Parallel Operation

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL IV. PARALLEL OPERATION 1 Introduction Two (or more) identical DS300HB series UPSs can be interconnected for parallel operation. The main purposes for parallel use of DS300HB series UPSs are: -Redundancy for Increased Reliability -Power Increase Although recent UPS designs are perfect and have high MTBF figures, a second (or more) UPS can be...

  • Page 46: Parallel Operation Mode Setting Of Ds300Hb Series Upss

    A link cable is used for connecting the first UPS to the last UPS ,this cable is redundant for normal communication cables. If communication is lost on SLAVE UPS the UPS will shutdown but the MASTER UPS will go on running if the communication is provided at SLAVE UPS it will start automatically again. www.tescom-ups.gr...
  • Page 47 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL Figure 4.2 DS300HB Series Parallel UPS Signal Cable (PCC06) Connections Parallel Parallel Parallel Parallel Port 1 Port 2 Port 2 Port 1 Figure 4.2.a 2 units in parallel if port2 jumper is not shorted Parallel Parallel...
  • Page 48 SWITCH AC DISTRIBUTION U V W N LOAD Figure 4.3 DS300HB Series Parallel UPS Power Connections Note: As seen in the figure, the outputs of parallel UPS units should be connected to each other using an AC distribution board. www.tescom-ups.gr...

  • Page 49: Parallel Mode Status Codes Of The Ups

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL ATTENTION!!! The cables from input distrubution panel to the UPS by-pass input must be of the same size and length for proper bypass load sharing. The cables from each UPS output to the load distribution panel must be of the same size and length for proper load sharing during parallel operation.
  • Page 50 Returning to fault Fault code 822 Status code Status Inverter alarm Description MASTER frequency exceeded minimum limit ,inverter stopped Restart İf master frequency is okay automatic Returning to fault Check the followings: -Check each UPS output frequency selection in parallel system www.tescom-ups.gr...
  • Page 51 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 823 Status code Status Inverter alarm Description MASTER frequency exceeded maximum limit ,inverter stopped Restart İf master frequency is okay automatic Returning to fault Check the followings: -Check each UPS output frequency selection in parallel system 824 Status code Status...
  • Page 52 Possible causes of this status code: -Check L1 phase UPS output fuse -Check L1 phase output switch LEG -Check the SLAVE UPS L1 phase output terminal for bad connection -Check the SLAVE UPS L1 phase output cable to load L1 phase -Call service www.tescom-ups.gr...
  • Page 53 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 842 Status code Status Inverter warning Description MASTER UPS L2 phase output is not connected to load Restart 841 Status code causes are valid for L2 phase 843 Status code Status Inverter warning...
  • Page 54 In parallel system there is no MASTER communication packages ,output switch turned on after 2 seconds MASTER mode started during on bypass Restart Returning to fault 859 Status code Status Inverter alarm Description In parallel system transfer the load to maintenance bypass command received Restart Returning to fault www.tescom-ups.gr...

  • Page 55: Parallel Operating Instructions

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL V. PARALLEL OPERATING INSTRUCTIONS 5.1 INTRODUCTION After all the electrical connections of UPS have been made and while all the circuit breakers and switchtes of the device are turned OFF (at “0” position); 1.

  • Page 56: Switching The Ups From A Normal Operation To Maintenance Bypass Condition

    5. Turn off S3 (Maintenance Bypass) switch (to ʻʼ0ʼʼ position). Inverter will start automatically following the turning off of S3 switch. 6. Connect the batteries by turning on S5 (Battery) switch (to ʻʼ1” position). Now UPSs is ready for uninterruptable operation. www.tescom-ups.gr...

  • Page 57: Normal Operating Instructions

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL VI. NORMAL OPERATING INSTRUCTIONS 6.1 OPERATING UPS IN ONLINE MODE 6.1.1 Starting UPS from a completely shut down position: Turn ON S1 (AC Input) switch (switch to ʻʼ1ʼʼ position) Turn ON S2 (Bypass) switch (switch to ʻʼ1ʼʼ...

  • Page 58: Switching The Ups From A Maintenance Bypass Condition To Normal Operation

    If a reserved generator in the system and if itʼs available, that will start to supply the necessary electrical power to UPS input and batteries start to be charged immediately. By means of using UPS together with a immediately available generator system, battery discharge time decreases and so they will be charged quickly after a mains outage. www.tescom-ups.gr...

  • Page 59: Maintenance

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL VII. MAINTENANCE ATTENTION !!! There are no parts inside the UPS or battery group that needs service or maintenance work that should be done by user. Therefore DO NOT OPEN THE COVER OF UPS. Never touch on any terminal of battery group.

  • Page 60: Annual Maintenance

    Ideal storage temperature for UPS: 0 C to 40 C max. Ideal storage temperature for batteries:10 C to 35 C max. 5- UPS should be fixed on its pallet for transporting. It should be carried by a forklift with ist pallet. www.tescom-ups.gr...

  • Page 61: Faults And Troubleshooting

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL VIII. FAULTS AND TROUBLESHOOTING 8.1 General Procedure For Fault Checking And Troubleshooting UPS contains complicated electronic control circuits. In order to locate any fault occurring circuits, an advanced knowledge about the circuitry and its operation principles must be known.

  • Page 62: Ups Remote Manitoring And Control

    Using one of above communication options is satisfactory for remote monitoring and control in most of the systems. But in some systems may use 2 or 3 of above options at the same time. In this case accessories group produced by Tescom may help to make appropriate solutions. 9.1 Using Serial Port Two serial communication port is included on DS300HB Series UPS cabinet (com1 and com2).

  • Page 63: Modem Connection

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL 9.3 Modem Connection A DS300HB Series UPS can be controlled through a normal telephone line by means of a remote operator connected through a PC with modem device, who performs a phone call to the UPS connected number. So the operator can see all parameters and control the UPS (if permitted from OPTIONS MENU).

  • Page 64: Modem - Ups Connection Cable

    RS485 requires additional adapter. Remote monitoring panel communicates UPS in a serial way and transfers information to user. Remote panel requires 220Vac 50Hz supply voltage and it is recommended to get this supply from UPS output. www.tescom-ups.gr...

  • Page 65: Efficient Usage Of Ups In Terms Of Energy Consumption

    DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL EFFICIENT USAGE OF UPS IN TERMS OF ENERGY CONSUMPTION Products should be used according to the conditions and procedures defined in the manual. When this is made the most efficient usage of the product is guaranteed.
  • Page 66 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL AGKK13240 10/2018 www.tescom-ups.gr...
  • Page 67 DS 300 HB Series � 3/3 � 40-80 kVA � DSP CONTROLLED UPS USER MANUAL...
  • Page 68 Βόλου 7, 183 46 Μοσχάτο +30 210 9590080 www.tescom-ups.gr Volou 7, 18 346, Moschato, Greece info@tescom-ups.gr...

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