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COMEX COVER MZ Series User Manual

20-30-60-80 kva
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Uninterruptible Power Supply
MZ
COVER
20-30-60-80 kVA
User manual
COMEX S.A.

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Summary of Contents for COMEX COVER MZ Series

  • Page 1 Uninterruptible Power Supply COVER 20-30-60-80 kVA User manual COMEX S.A.
  • Page 2 The content of this document is copyrighted by the publisher and can not be reproduced without prior permission. We reserve the right to modify the design and specifications without prior notice. Copyright 2018 COMEX S.A. All rights reserved. COMEX S.A.

  • Page 3: Table Of Contents

    Frequency converter mode ..................... 19 3.3.8. Parallel mode ........................20 User manual ........................... 21 4.1. Power connectors ........................21 4.2. Procedures for starting the power supply - single operation ..........22 4.2.1. Starting the UPS from complete shutdown ..............22 COMEX S.A.
  • Page 4 Power parameters ......................34 5.5.2. Battery settings ........................ 35 5.5.3. Battery tests ........................36 5.6. Special functions ........................37 5.7. Display settings ........................37 5.8. Password settings ........................37 5.9. System speaker ........................38 5.10. Turn On/Off ......................... 38 COMEX S.A.

  • Page 5: Precautions

    COVER MZ series - User manual 1. Precautions This user's guide contains the necessary information on the installation and use of MZ COVER power supplies. Before installing and using, please read the manual carefully. The UPS must be installed and configured by an authorized service center of the manufacturer or distributor.
  • Page 6 Battery manufacturers give detailed precautions that must be followed when working on or around battery-powered large batteries. Such measures should always be strictly observed. Particular attention should be paid to recommendations regarding local environmental conditions and the provision of protective clothing, first aid and fire-fighting equipment. COMEX S.A.

  • Page 7: Installation Procedure

    Damages should be reported immediately to the supplier.  Verify compliance of the delivered equipment with the installation requirements. The power of the PSU is described on the label each time. COMEX S.A.

  • Page 8: Location

    If any damage occurs, please report it to the supplier immediately. 2.4.1. Unpacking The power supply is delivered in a cardboard package on a wooden pallet. For unpacking, remove the carton and protective foams inside the package. The device shown below is shown after disassembling the packaging. COMEX S.A.
  • Page 9 Note: Dispose of the safety materials (wood, plastic, etc.) after disassembly in accordance with the applicable local environmental regulations. In order to extend the service life of the device, it is necessary to provide a suitable place for its installation, which should guarantee: COMEX S.A.

  • Page 10: Design And Dimensions Of The Ups

    The appearance and dimensions [mm] of the UPS are shown in the figures below: Figure 2-2 The front / side view of the MZ 20K,30K UPS Figure 2-3 The front / side view of the MZ 60K UPS COMEX S.A.

  • Page 11: Service Space

    Recommended space from the front 80 cm. Due to the required access to the back of the power supply and the free air blow and circulation, the recommended space from the back of the power supply is 50 cm. COMEX S.A.

  • Page 12: Safety Elements

    2.5.1. UPS input power supply The UPS should be supplied from an electrical switchgear equipped with a suitable security device selected for the maximum system power, and flexible hoses with appropriate current carrying capacity matched to the protection used. COMEX S.A.

  • Page 13: Battery Circuit Protection

    The battery circuit must be protected by a suitable fuse, selected according to the UPS power. A detailed drawing of the battery installation is shown below: Figure 2-6 Diagram of connection in series 40pcs of battery with a central center point COMEX S.A.

  • Page 14: Power Cords

    On the strip, screw-eye connections are used. The cable connection is located on the bottom of the power supply shown in Figure 2-7. Figure 2-7 View of the front wall of the power supply and the place where the wires are connected COMEX S.A.

  • Page 15: Maximum Currents Of The Power Supply

    MZ 60K MZ 80K Power 20,30kVA 60kVA 80kVA Dimensions [mm] 450 x 840 x 967 450 x 840 x 1400 321 x 840 x 1428 (W x D x H) Nominal Input current [A] Nominal Output current [A] COMEX S.A.

  • Page 16: Connecting Wires

    The contracting authority is responsible for preparing the power supply and receiving installation for the power supply. Figure 2-9 View of terminal block for connecting MZ 20K,30K cables Figure 2-10 View of terminal block for connecting MZ 60K cables COMEX S.A.
  • Page 17 (BAT +) on UPS, negative terminal of battery to negative terminal (BAT- ) on UPS, neutral terminal of battery to neutral terminal (N) on UPS. 6. Install the protective cover and the power supply cover. COMEX S.A.

  • Page 18: Communication

    50m. 2.7.1. Extended communication card Dry Contact The extended Dry Contact card allows you to connect seven additional signals, including four input signals and three output signals. The description of signals is presented in the table below: COMEX S.A.

  • Page 19: Control Module

    A detailed description of the possibility of the SNMP card contained in it in the instruction manual of the card. 2.7.4. Monitoring card The monitoring card enables communication by means of Modbus and RS-485, additionally has 6 dry contact contacts (3 input ports and 4 output ports). COMEX S.A.
  • Page 20 NO-COM pins. External NC signal from the The occurrence of the event requires EPO2 emergency switch REPO the closing of the NC-COM pins. The occurrence of the event requires External bypass service signal the closing of the NO-COM pins. COMEX S.A.

  • Page 21: Ups Operation Modes

    UPS, a back-up power supply line is used Bypass track. Maintenance bypass Bypass input Bypass unit Mains input Output Battery input Power unit Figure 3-1 Block diagram of the power supply COMEX S.A.

  • Page 22: Bypass Module

    3.3. Power supply operation modes COVER MZ series power supply is a device with double energy conversion, which allows you to work in the following modes depending on the configuration:  Online mode ...

  • Page 23: The Restart Mode Of The Power Supply After Power Back

    50 or 60 Hz. The range of input frequency tolerance at which a stable output frequency can be generated is 40-70 Hz. Bypass is not available in this operating mode. In the event of a power failure, the UPS generates the set frequency value using the battery voltage. COMEX S.A.

  • Page 24: Parallel Mode

    UPS units. In the case of a redundant system, eg N + 1, failure of a single unit does not affect the operation of other devices, and the system guarantees continuity of guaranteed power for the full power of the designed system. COMEX S.A.

  • Page 25: User Manual

    Figure 4-1 Locating power switches in the MZ 20K,30K power supply 1 - Top cover plate 2 - Control unit 3 - Power breaker 4 - Bypass breaker 5 - Output breaker 6 - Battery breaker 7 - Maintenance bypass 8 - Wiring terminals COMEX S.A.

  • Page 26: Procedures For Starting The Power Supply - Single Operation

    If the receivers are connected to the power 警告 危 险 supply output, check whether the power supply is safe. If the receivers are not ready for power connection, make sure that they are safely isolated from the Warning UPS output. COMEX S.A.

  • Page 27: Starting Ups With The Battery Pack

    After about 10 seconds, the rectifier is started and the normal mode is entered. 4.3.2. Switching from normal operation to Bypass operation Press the key with the icon on the LCD panel, and then confirm by pressing OK. COMEX S.A.

  • Page 28: Switching From Bypass Mode To Normal Operation

    Before performing the following procedure, make sure that the voltage and frequency parameters in the Bypass path are correct and that the inverter is synchronized to the Bypass voltage. The fulfillment of these conditions guarantees an uninterrupted changeover of loads to bypass power. COMEX S.A.

  • Page 29: Switching From Service Bypass Mode To Normal Operation

    UPS and carry out the procedure of starting the power supply from the total shutdown. To do this, restore the switch position to the OFF position and follow the connection procedure in section 4.2.1. COMEX S.A.

  • Page 30: Lcd Panel Operation

    Figure 5-1 Touch display Table 5-1 Description of symbols used on the power supply's operation panel COMEX S.A.

  • Page 31: Indication Of Ups Operation Status On The Display

    ECO mode, frequency converter mode, protection against error. The way of displaying in particular modes of operation is presented in the following pictures. Figure 5-2 Starting (initialization) COMEX S.A.
  • Page 32 COVER series MZ – User manual Figure 5-3 Shutdown Figure 5-4 Exit from the parallel system Figure 5-5 Work on the bypass service Figure 5-6 Bypass mode COMEX S.A.
  • Page 33 COVER series MZ – User manual Figure 5-7 Battery mode Figure 5-8 Online mode Figure 5-9 Aging mode Figure 5-10 ECO mode COMEX S.A.
  • Page 34 When an abnormal power supply is detected, an exclamation mark icon on the left side of the menu is highlighted. Clicking the icon allows you to view the current alarm states with the exact date and time of the occurrence of the event, as shown below. COMEX S.A.

  • Page 35: Reading Work Parameters

    Available parameters are described in the display picture below: Figure 5-16 Information about powering the rectifier track COMEX S.A.

  • Page 36: Battery

    Figure 5-18 Information on the UPS output parameters 5.4. Reading information about UPS (Event log) Clicking the icon on the home page of the display, allows you to go to the page with the history of events and information about UPS. Figure 5-19 Information page COMEX S.A.

  • Page 37: Event Log

    UPS startups and user activities. Figure 5-21 User Log 5.4.3. Information about the device Clicking the icon on the information page, it allows you to go to the UPS information page. COMEX S.A.

  • Page 38: System Configuration Settings

    Only the user with the service password has access to changing the system operation parameters. Figure 5-23 Log in Figure 5-24 UPS settings page 5.5.1. Power parameters Clicking the icon on the settings page, it allows you to go to the configuration page of UPS parameters and modes. COMEX S.A.

  • Page 39: Battery Settings

    COVER series MZ – User manual Figure 5-25 Power supply parameters of the rectifier, bypass and ECO mode settings 5.5.2. Battery settings Clicking the icon on the settings page, allows you to go to the battery parameters configuration page. COMEX S.A.

  • Page 40: Battery Tests

    The standard test allows you to conduct a short battery test, a deep battery test allows them to discharge to a low battery voltage. Figure 5-27 Battery tests COMEX S.A.

  • Page 41: Special Functions

    Figure 5-29 Display settings 5.8. Password settings Clicking the icon on the settings page, allows you to go to the page with the option to set a new password. COMEX S.A.

  • Page 42: System Speaker

    , goes to the page Enable / Disable the UPS inverter. Depending on the current operating mode (inverter on or off), you will go to the page as in the picture below. To confirm the operation, press OK. Figure 5-31 On / Off page of the inverter COMEX S.A.

This manual is also suitable for:

Cover mz 20kCover mz 30kCover mz 60kCover mz 80k

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