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CertaUPS C750 User Manual

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THE C750 & C750R SERIES
An uninterruptible power supply (UPS) incorporating
online double conversion technology, which
eliminates all mains power disturbances and IOT
Technology
www.certaups.com
C750 / C750R USER MANUAL
For assistance please contact your local
A COMPLETE INSTALLATION
CertaUPS partner.
AND USER GUIDE
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Summary of Contents for CertaUPS C750

  • Page 1 THE C750 & C750R SERIES An uninterruptible power supply (UPS) incorporating online double conversion technology, which eliminates all mains power disturbances and IOT Technology www.certaups.com C750 / C750R USER MANUAL For assistance please contact your local A COMPLETE INSTALLATION CertaUPS partner.

  • Page 2: Table Of Contents

    5.7 UPS SHUTDOWN ............................48 6 COMMUNICATION ............................49 6.1 RS232 AND USB ............................49 6.2 UPS REMOTE CONTROL FUNCTIONS ......................49 6.3 IoT (INTERNET OF THINGS) .......................... 49 6.4 MODBUS TCP .............................. 50 C750 & C750R User Manual Page 4...
  • Page 3 7.3 STORING THE EQUIPMENT .......................... 52 7.4 RECYCLING ..............................52 8. TROUBLESHOOTING ............................53 8.1 TYPICAL ALARMS AND FAULTS ........................53 9. SPECIFICATIONS ..............................55 9.1 UPS BLOCK DESIGN ............................ 55 9.2 UPS SPECIFICATIONS ..........................56 C750 & C750R User Manual Page 5...

  • Page 4: Safety Instructions

    EU separate collection mark for waste electrical and electronic equipment (WEEE). Indicates that the item must not be disposed of to the ‘normal’ household waste but be separately collected and recycled. Information, advice, help. Refer to the user manual. C750 & C750R User Manual Page 6...

  • Page 5: Safety Of Persons

    The admissible storage temperature range is -25°C to +55°C without battery (-15°C to +40°C with battery). TN-S/IT/TN-C/TT of electrical supply system may be connected by UPS. This UPS may be provided with a maximum of 6 extension battery cabinets or equivalent. C750 & C750R User Manual Page 7...

  • Page 6: Special Precautions

    Battery Module provided with the UPS to maintain an identical level of performance and safety. This is a category C3 UPS product. In a residential environment, this product may cause radio interference, in which case the user may be required to take additional measures. C750 & C750R User Manual Page 8...

  • Page 7: Introduction

    • • IoT: Ethernet(default) and Wireless (optional) Dot-matrix touch LCM, it supports multi-language • 3 mode compatible (3-3 mode / 3-1 mode / 1-1 mode) • ECO Mode • • Startable without battery C750 & C750R User Manual Page 9...

  • Page 8: Environmental Protection

    Electrical and Electronic Equipment (WEEE). Battery This product contains lead-acid batteries that must be processed according to applicable local regulations concerning batteries. The battery may be removed to comply with regulations and in view of correct disposal. C750 & C750R User Manual Page 10...

  • Page 9: Product Overview

    2.1 MODEL LIST C750-xxx-B model means ‘Battery model’, C750-xxx-C means ‘Charger model’ without internal batteries UPS 10kVA and EBM (C750-BB10P for 10kVA) is 2x10 batteries selectable, UPS 20kVA and EBM (C750-BB20P for for 20kVA) is 2x20 batteries selectable. The weight in this table is reference only, please see the labels on the carton for details.
  • Page 10 Optional modules and accessories: To order further modules or accessories, please contact a CertaUPS distributor or partner. Type Description Remark R 3-3 10K/20K MBP For R model only 750R-MBP For R model only in a parallel system R 3-3 10K/20K PARA MBP...

  • Page 11: Presentation

    2.2 PRESENTATION 2.2.1 C750 TOWER MODEL: UPS Module: Front view: Rear view: Ventilation area Intelligent slot DRY in/out LCD module, including: RS232 Power button 10. Ethernet port (RJ45, for IoT RJ45 (for EBM detect) Touch screen function) Maintenance bypass switch LED indicator 11.

  • Page 12: Rackmountable Model

    9. RJ45 (for EBM detection/RT MBP detection) 4. USB 10. AC input/output port (terminal block) 5. Wireless (HDMI, For IoT function) 11. External battery port (terminal block) 6. Parallel port (optional by factory, default is C750 & C750R User Manual Page 14...
  • Page 13 EBM label Rear view of EBM (C750R-BB10P for 10kVA) 1. Fuse board cover (replace EBM fuse) 2. EBM port 1 3. EBM port 2 4. EBM detection Box (RJ45 port) 5. Ground screw C750 & C750R User Manual Page 15...
  • Page 14 Rear view of EBM (C750R-BB20P for 20kVA) 1. Fuse board cover (replace EBM fuse) 2. EBM port 1 3. EBM port 2 4. EBM detection Box (RJ45 port) 5. Ground screw C750 & C750R User Manual Page 16...

  • Page 15: Installation

    If any equipment has been damaged during shipment, keep the shipping cartons and packing materials for the carrier or place of purchase and file a claim for shipping damage. If you discover damage after acceptance, file a claim for concealed damage. Tower UPS Tower EBM C750 & C750R User Manual Page 17...

  • Page 16: Checking The Accessory Kit

    EBM detection cable √ √ Copper bus-bar √ √ USB cable Parallel cable √ √ √ Tower foot PLEASE FIND UPS PRODUCT DIAGRAMS AND FULL TECHNICAL SPECIFICATIONS IN CHAPTER 9 OR VISIT http://www.certaups.com/PRODUCT/CERTAUPS-C750/ C750 & C750R User Manual Page 18...
  • Page 17 Tower foot √ √ √ Rack ear Rack rail kit Note：√--- Standard configuration; O---Option, default is Not configured PLEASE FIND UPS PRODUCT DIAGRAMS AND FULL TECHNICAL SPECIFICATIONS IN CHAPTER 9 OR VISIT http://www.certaups.com/PRODUCT/CERTAUPS-C750R/ C750 & C750R User Manual Page 19...

  • Page 18: Mechanical Installation

    Place the unit on a flat surface in its final location and install ‘Tower foot’ for stability. Install the unit to ground(optional): Place 4pcs bolts (M8 is recommended) in the final location for bolt positions please refer to below, then fix the unit to the bolts. C750 & C750R User Manual Page 20...

  • Page 19: Rackmountable Model

    + washers (as below) Install ‘Rack ear” to the unit by the M4 screws (flat head). Slide the unit into the ‘rail kit’ and make sure to tighten the ‘rack mounting screw’ C750 & C750R User Manual Page 21...
  • Page 20 2. Screw the UPS’s tower foot: one is to UPS’s side, another one to EBM’s side (as above) 2 EBMs are required for R 20kVA UPS, please keep an enough space for installation. C750 & C750R User Manual Page 22...

  • Page 21: Power Cables Connection

    Below figures show the wiring system of UPS input. Always adhear to the local wireing regulations and requirements for backfeed contactors Single phase input system: Three phase input system: Danger! The rated current of the utility power contactor must be greater than the UPS input current to avoid damage. C750 & C750R User Manual Page 23...
  • Page 22 10kVA 3 phase output 1 phase output 125A 20kVA 3 phase output Recommended battery circuit breaker current specifications: UPS power rating Breaker current 10kVA 20kVA Read the safety instructions regarding backfeed protection requirements C750 & C750R User Manual Page 24...
  • Page 23 This type of connection must be carried out by Earth connection essential before connecting qualified electrical personnel. supply. Before carrying out any connection, check that the upstream protection devices (Normal AC source and Bypass AC source) are open ‘O’ (Off). C750 & C750R User Manual Page 25...
  • Page 24 2. UPS output: N/N/L1/L2/L3/PE The UPS is supplied with busbars (as below) for 6 modes of wiring application, default is 3-3 mode (single source). Busbars Mode Item# Figure 5pcs 2pcs 2pcs 2pcs 2pcs 2pcs C750 & C750R User Manual Page 26...
  • Page 25 Connect bypass terminal bL1/bL2/bL3 to bypass source cable(L1/L2/L3). Output: Connect ground cable (PE) to ground screw of chassis first; Short terminal N/N with busbar #1, connect AC cable(N); Connect terminal L1/L2/L3 to AC cable(L1/L2/L3). C750 & C750R User Manual Page 27...
  • Page 26 Short bypass terminal bL1/bL2/bL3 with busbar #5, connect bypass source cable(L). Output: Connect ground cable (PE) to ground screw of chassis first; Short terminal N/N with busbar #1, connect AC cable(N); Short terminal L1/L2/L3 with busbar #3, connect AC cable(L). C750 & C750R User Manual Page 28...
  • Page 27 Short bypass terminal bL1/bL2/bL3 with busbar #5, connect bypass source cable(L). Output: Connect ground cable (PE) to ground screw of chassis first; Short terminal N/N with busbar #1, connect AC cable(N); Short terminal L1/L2/L3 with busbar #3, connect AC cable(L). C750 & C750R User Manual Page 29...
  • Page 28 UPS provide busbars and jumper cables as below for 6 modes of wiring application, default is Mode 3-3(single source). Mode Item# Figure 2pcs 2pcs 2pcs 2pcs 2pcs Copper busbar 2pcs 2pcs 2pcs 3pcs Jumper cable C750 & C750R User Manual Page 30...
  • Page 29 L1/L2/L3 with this busbar #2, connect AC cable(L1). Output: Connect ground cable (PE) to chassis first; Short terminal N/N with busbar #1, connect AC cable(N); Short terminal L1/L2/L3 with busbar #2, connect AC cable(L). C750 & C750R User Manual Page 31...
  • Page 30 Short bypass terminal L1/L2/L3 with busbar #2, connect bypass source cable(L Output: Connect ground cable (PE) to chassis first; Short terminal N/N with busbar #1, connect AC cable(N); Short terminal L1/L2/L3 with busbar #2, connect AC cable(L) C750 & C750R User Manual Page 32...

  • Page 31: Wiring External Battery Module (Ebm) (Dc Source To Ups)

    EBM automatic detection function supports up to 3 EBMs for tower 10kVA UPS. For more EBM quantity (max up to 6), need to configure the battery capacity in LCD. Extend runtime with up to 6 EBMs for each 20kVA C750 & C750R User Manual Page 33...
  • Page 32 Note: Extended runtime with up to 6 sets of EBM for each R 20kVA UPS. Connect with user’s own EBM: Tower model: Connect user’s own EBM or external batteries to UPS with ‘Battery cable’(if configured). C750 & C750R User Manual Page 34...

  • Page 33: Wiring With Rackmountable (Rt) Mbp (Mbp Source To Rt Ups Only)

    The rackmount bypass is an optional module, The UPS can be used with the bypass to implement the maintenance bypass switching function to ensure that the output of the system is not affected during the UPS maintenance. C750 & C750R User Manual Page 35...

  • Page 34: Parallel System Installation And Operation (Optional)

    Cable select table for the parallel system AC IN, AC OUT and Battery wire: Parallel system installed by 10kVA UPS (conductor cross-section, unit: mm²) Main input Bypass input Output Mode number 2 UPS 3 UPS C750 & C750R User Manual Page 36...

  • Page 35: Wiring For Ac Cable (Ac Source To Ups)

    4.1.2 Wiring for AC cable (AC source to UPS) AC cable wiring is shown in below diagrams for different configuration 3-3 configuration (single source) C750 & C750R User Manual Page 37...
  • Page 36 3-3 configuration (dual source) 3-1 configuration (singlel source) 3-1 configuration (dual source) C750 & C750R User Manual Page 38...
  • Page 37 1-1 configuration (single source) 1-1 Configuration (dual source) C750 & C750R User Manual Page 39...

  • Page 38: Wiring With External Battery Modular (Ebm) (Dc Source To Ups)

    Connect each UPS one by one with ‘parallel cable’, make sure the cable is screwed to parallel port tightly. It is recommended to lock the ‘parallel cable’ (as above) for preventing the parallel ports suffering an unexpected pulling-force and causing the parallel system fault. C750 & C750R User Manual Page 40...

  • Page 39: Parallel System Operation

    Turn on the input breakers for the parallel UPS. Pressing button continuously for one UPS of the system, then the system will start to turn on and enter line mode and the system will work normally in parallel. C750 & C750R User Manual Page 41...

  • Page 40: Operation

    Load supplied on bypass Load supplied on battery 1 beep every 4 seconds If battery low, beep every second 1 beep every second General warning active 2 beeps every second Overload warning Continuous Fault active C750 & C750R User Manual Page 42...

  • Page 41: Lcd Description

    If alarms exist, alarm information will scroll for up to 4 messages, each for 2 seconds Para ID The UPS ID number in parallel system (1-3), keep 1 in single mode C750 & C750R User Manual Page 43...

  • Page 42: Menu Structure

    Operate this machine to exit parallel connection UPS model Model name & input/output phase Product Serial number Serial number of UPS Info UPS firmware version Version of UPS firmware LCD firmware Version of UI C750 & C750R User Manual Page 44...
  • Page 43 [Normal mode], [HE mode], UPS Mode Normal mode [CVCF mode] Output voltage [220V], [230V], [240V] 230V Output Output frequency [Auto detection], [50Hz], [60Hz] Auto detection ESS function [Enabled], [Disabled] Disabled Auto bypass [Enabled], [Disabled] Enabled C750 & C750R User Manual Page 45...
  • Page 44 Change Password New password [4314] Confirm password (1) Site wiring fault function is only for single phase bypass input. If the utility power is IT system, the site wiring fault function should be disabled. C750 & C750R User Manual Page 46...

  • Page 45: Starting Up The Ups With Utility

    Turn on input breaker, check the UPS mode in the LCD. If it is different from the actual wiring mode, change to the actual wiring mode. Power off the UPS completely. Then power on, confirm that the mode is set correctly. Power off the UPS again, insert the RPO terminal. C750 & C750R User Manual Page 47...

  • Page 46: Starting The Ups On Battery

    1. Press the button for more than 3s, the LCD pops up to confirm the shutdown page; 2. After clicking Confirm, the UPS performs shutdown. 3. The UPS output is interrupted and goes into standby mode. After a few seconds, the UPS automatically shuts down. C750 & C750R User Manual Page 48...

  • Page 47: Communication

    The built-in ethernet port and WLAN port (C-WIFI) (optional accessary) enable market-leading and easy-to-use IoT solutions for: o CertaUPS App - Mobile app which allows you to remote monitor UPS(s) and keep informed about critical UPS event always. o Remote report UPS faults and status (contact with your service for detail) from APP or registered APP account (Email address).

  • Page 48: Modbus Tcp

    Connect UPS and router or switch with network cable Enable the IoT function in LCD (see Settings -> IoT) Search for CertaUPS app from Google Play store or Apple APP store, download and install. Open the app, register an account, log in, follow the instructions of the app.

  • Page 49: Ups Management Software

    6.6.2 CertaUPS APP The CertaUPS app is a mobile app which allows you to centralized monitoring UPS(s) connected to cloud. Please download it from Google Play store or Apple APP store. Please refer to the chapter 5.3...

  • Page 50: Ups Maintenance

    By separating waste electrical and electronic equipment, you will help reduce the volume of waste sent for incineration or landfills and minimize any potential negative impact on human health and environment. C750 & C750R User Manual Page 52...

  • Page 51: Troubleshooting

    Click on “History” icon Click on “Fault” icon Last 5 faults, blank list if no fault Click on “Event” icon Last 100 events If alarm exists, shows here. 4 messages for high priority alarm C750 & C750R User Manual Page 53...
  • Page 52 Ensure short circuit is removed before turning on again L3 Output Short circuit UPS internal fault, the Inverter Over Volt Consult dealer inverter voltage is too high UPS internal fault, the Inverter Under Volt Consult dealer inverter voltage is too low C750 & C750R User Manual Page 54...

  • Page 53: Specifications

    Please check the parallel settings, if it still alarms, please Para. Incompatible Para setting different consult dealer. IoT is disabled Enable IoT function in LCD IoT disconnected Others Please refer to Winpower View app help file 9. SPECIFICATIONS 9.1 UPS BLOCK DESIGN C750 & C750R User Manual Page 55...

  • Page 54: Ups Specifications

    125%-150% Load, 30 seconds transfer to Bypass; >150% Load, 0.5 seconds transfer to Bypass BATTERY Voltage 192VDC or 240VDC Selectable 384VDC or 480VDC Selectable CHARGER Charging range 1~13A adjustable OTHER MODE CVCF Yes (derating to 60% load) C750 & C750R User Manual Page 56...
  • Page 55 Frequency 40Hz/70Hz Frequency Range 45Hz-55Hz (50Hz system), 54Hz-66Hz (60Hz system) @ load>60% Bypass input frequency 45-55Hz(50Hz system) / 54-66Hz(60Hz system) Power Factor (Pf) OUTPUT Voltage Regulation (AC Mode) 220/230/240V AC Maximum Power Factor C750 & C750R User Manual Page 57...
  • Page 56 IEC/EN 62040-, UKCA, CE IEC/EN 62040-2 Performance IEC/EN 62040-3 In CVCF mode or dual source input mode, UPS needs to be de-rated to 60% capacity for 1-1 mode (rated output power and maximum charging current). C750 & C750R User Manual Page 58...
  • Page 57 @ 220VAC input phase voltage, rated output power and maximum charging.,, C750 & C750R User Manual Page 59...

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