User’s Guide MD Series Modular UPS 200V / 208V
Safety Precautions This manual is about the installation and operation of MD Series modular UPS (Hereinafter referred to as UPS). Please carefully read this manual prior to installation. The UPS must be debugged and maintained by the engineer commissioned by the manufacturer or the agent. Otherwise, human safety may be endangered and the damage of UPS shall not belong to the warranty scope.
Contents Chapter 1 Installation .............................................................................................................................. 4 1.1 Introduction ................................................................................................................................. 4 1.2 Initial Checking ............................................................................................................................ 4 1.3 Positioning ......................................
2.2.3 Auto-Restart Mode......................................................................................................... 26 2.2.4 Bypass Mode ................................................................................................................. 26 2.2.5 Maintenance Mode ........................................................................................................ 26 2.2.6 ECO Mode ...................................................................................................
7.3 Mechanical Characteristics ....................................................................................................... 48 7.4 Electrical Characteristics (Input Rectifier) ................................................................................. 49 7.5 Electrical Characteristics (Intermediate DC Link) ...................................................................... 49 7.6 Electrical Characteristics (Inverter Output)................................................................
Chapter 1 Installation Chapter 1 Installation This chapter introduces the installation of MD series UPS (hereby referred to as UPS), including initial checking, sitting, positioning, cabling and installation drawings. 1.1 Introduction This chapter introduces the relevant requirements for positioning and cabling of the UPS.
Chapter 1 Installation 1.3 Positioning 1.3.1 Distribution Room The UPS is designed for indoor installation, which shall be located in a clean environment with adequate ventilation to keep the environmental temperature within the required specification. The UPS uses forced convection cooling by internal fans. Cooling air enters the module through ventilation grills located at the front part of the cabinet and exhausted through grills located in the rear part of the cabinet.
Chapter 1 Installation Fig 1-1 Open method Firstly, open the top plate of the steel-edged wooden case with slotted awl and plier, followed by sideboards. Be careful not to scratch the product. See fig 1-2. Fig 1-2 Disassemble the case Take out the foam after disassembling the sideboards of the case as shown in fig 1-3.
Chapter 1 Installation Fig 1-3 Complete the disassembly Tip: Dismantle the bolt that connects the cabinet and wooden pallet after disassembly, then lift the cabinet to installation position. The dismantlement should be careful so as not to scratch the body. Verify the product label and confirm the correctness of the equipment. The equipment label is attached on the back of front door. The UPS model, capacity and main parameters are marked on the label. 1.4.
Chapter 1 Installation Foamed package Carton Fig 1-5 Open the carton Open the foamed cover, the equipment with plastic package can be see as shown in fig 1-6: Top cover of foamed package Carton Foamed package Equipment Fig 1-6 Open the foamed cover At last, take out the equipment with plastic package, and dismantle the packaging materials. Warm Tips: Please dispose the wasted materials in accordance with environmental protection requirements after disassembly.
Chapter 1 Installation Air sufficient enough to dispel heat produced by UPS Against ambient corrosive gases Against excessive humidity and heat sources Against dust With the current fire prevention requirements The operating environment temperature is within 20℃～25℃. The batteries are at maximum efficiency in this temperature range (for information about the battery storage and transportation as well as the environment, please refer to table 6-2). 1.4.
Chapter 1 Installation 开关单元 Switch unit 配电单元 unit Distribution Bypass module 旁路模块 Power module 功率模块 1.6m cabinet (front view) 1.6m cabinet (back view) Fig 1-7 UPS Composition Diagram Table 1-1 UPS Configuration Table Involved part name Quantity (Piece) Cabinet Power module Note Switch PDU Monitoring + bypass module 1 Standard configuration 1 Standard configuration Power module 1～6 or 1～10 Field installation is required 1.4.
Chapter 1 Installation 1. Each module shall be installed from bottom to top, the default setting of the system is module No. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. 2. Insert the module into installation position, and push in the cabinet. The wiring terminals in between shall be tight, and excessive force shall be prevented against the damage to inserted pins of the terminals. 3. Fix the module to the cabinet though the mounting holes on two sides of the front plate of the module.
Chapter 1 Installation 1.5 Protective Devices For safety concerns, it is recommended to install external circuit breakers or other protective devices for the input AC supply of the UPS system. This section provides generic practical information for qualified installation engineers. The installation engineers should have the knowledge of the regulatory wiring standards, and of the equipment to be installed. 1.5.
Chapter 1 Installation Fig 1-11 Diagram of batteries connected in series 1.5.3 UPS Output A main output switch has been installed in UPS, the user shall install the over current protective device on the bypass of each output of the external distribution cabinet. 1.6 Power Cables Design the cables according to the descriptions in this section and local regulatory wiring standards, and the environmental conditions should be taken into consideration. Refer to IEC60950-1 Table 3B.
Chapter 1 Installation 1.6.2 Cable Connection Note 警告 危险 The operations described in this section must be performed by authorized electricians or qualified technical personnel. If you have any difficulties, do not hesitate to contact our Customer Service & Support department . After the equipment has been finally positioned and secured, connect the power cables as described in the following procedures: 1.
Chapter 1 Installation The UPS accepts external signal from zero-voltage (dry) contacts connected through external dry contact terminals produced and phoenix terminals that are in bypass module. Through software programming, these signals become active when these contacts connect to +24V to ground).The cables connected to DRY terminal must be separated from power cables. Moreover, these cables should be double insulated with a typical 0.5 to 1.
Chapter 1 Installation +24V Position EPO_NO +24V EPO_NC J4 Fig 1-14 Diagram of input port for remote EPO Table 1-4 Description of input port for remote EPO Name Purpose J4.1 EPO_NC EPO is activated when disconnecting fromJ4.2 J4.2 ＋24V +24V, connect the common terminal of NC and NO J4.3 EPO_NO EPO is activated when shorting with J4.2 The EPO is triggered when shorting pin 2 and 3 or opening pin 2 and 1 of J4.
Chapter 1 Installation +24V J5 GEN AUX-N.O. AUX-N.O. Generator 发电机 Fig 1-15 Diagram of status interface and connection of generator Table 1-5 Description of maintenance bypass switch and output switch status interface Position Name Purpose J5.1 J5.2 J5.3 +24V GEN GND +24V power supply Connection status of generator Power ground 1.7.4 BCB Input Port J6 and J7 are the ports of BCB. The port diagram is shown in fig 1-16, and description is shown in table 1-6. +24V +24V +24V Name J6.1 J6.2 J7.
Chapter 1 Installation GND BAT_LOW_NO BAT_LOW_NC J8 Fig 1-17 Battery warning dry contact interface diagram Table 1-7 Battery warning dry contact interface description Position J8.1 J8.2 J8.3 Name BAT_LOW_NC BAT_LOW_NO GND Purpose Battery warning relay (normally closed) will be open during warning Battery warning relay (normally open) will be closed during warning Center of battery warning relay 1.7.
Chapter 1 Installation GND UTI_FAIL_NO UTI_FAIL_NC J10 Fig 1-19 Mains failure warning dry contact interface diagram Table 1-9 Mains failure warning dry contact interface description Position Name J9.1 UTI_FAIL_NC J9.2 UTI_FAIL_NO J9.3 GND Purpose Mains failure warning relay(normally closed) will be open during warning Mains failure warning relay (normally open) will be closed during warning Centre of mains failure warning relay 1.7.
Chapter 1 Installation Fig 1-21 Installation Diagram 20
Chapter 1 Installation 顶视图 Top view 200K UPS正视图 2m cabinet front view UPS正视图 1.
Chapter 1 Installation A 2m cabinet A 1.
Chapter 1 Installation A A处放大 of A Amplification Fig 1-24 UPS front view 23
24 Chapter 2 Operations Chapter 2 Operations This chapter introduces the basic knowledge of UPS operations, including working principle, operation mode, battery management and protection. 警告 危 险 Warning: Hazardous mains voltage and/or battery voltage present(s)behind the protective cover The components that can only be accessed by opening the protective cover with tools can not be operated by user. Only qualified service personnel are authorized to remove such covers. 2.
Chapter 2 Operations 25 Fig 2-1 System principle framework 2.1.2 Bypass Module The circuit blocks labeled “bypass module” in fig 2-1 contain electronically controlled switching circuits that enable the critical load to be connected to either the inverter output or to a bypass power source via the static bypass line. During normal system operation the load is connected to the inverter; but in the event of a UPS overload or inverter failure, the load is automatically transferred to the static bypass line.
26 Chapter 2 Operations Battery mode Auto-Restart mode Bypass mode Maintenance mode (manual bypass) ECO mode Frequency converters mode 2.2.1 Normal Mode The UPS inverter power modules continuously supply the critical AC load. The rectifier/charger derives power from the AC mains input source and supplies DC power to the inverter while simultaneously FLOAT or BOOST charging its associated backup battery. 2.2.
Chapter 2 Operations 27 2.2.6 ECO Mode If economical (ECO) mode is selected, the double-conversion UPS will stop to work so as to save energy. During the operation of ECO mode, the load power will be supplied by bypass preferentially. When bypass power is within the range of normal frequency and voltage, load power will be supplied by bypass, or the system will transfer to inverter output, followed by load power interruption which extends within 3/4 of the utility period. E.g.
28 Chapter 2 Operations 2.4 Battery Protection The following functions should be fitted by commissioning engineers with specified software. 1. Battery Low Pre-warning The battery under voltage pre-warning occurs before the end of discharge. After this pre-warning, the battery should have the capacity for 3 remaining minutes discharging with full load. The time is user configured from 3 to 60 minutes. 2.
Chapter 3 Operation Instructions 29 Chapter 3 Operating Steps This chapter describes UPS operation instructions in detail. All functional keys and LED display involved in operation instructions please refer to chapter 4. During operation, the buzzer alarm may occur at any time. Select “mute” on LCD to muffle the audible alarm. 警告 危 险 Warning-Hazardous mains voltage and/or battery voltage present(s)behind the protective cover 1.
30 Chapter 3 Operating Instructions 3.2.1 Normal Module Start This procedure must be followed when turning on the UPS from a fully powered down condition. The operating procedures are as follows: Warning 警告 危 险 This procedure results in mains voltage being applied to the UPS output terminals. If any load equipment is connected to the UPS output terminals please check with the load user that it is safe to apply power.
Chapter 3 2. Operation Instructions 31 Press the red start-up button of battery under the rectifier input circuit breaker for 3 seconds (see fig 3-2). The LCD starts up at this time. The green battery indicator flashes. The rectifier enters normal operation states and after about 30s, the battery indicator goes steady green. 3. The inverter starts up automatically, the green inverter indicator flashes. The output of inverter appears after 60s. The UPS works on battery mode.
32 Chapter 3 Operating Instructions Battery startup button 电池启动按钮 Fig 3-2 Position diagram of battery startup button 32
Chapter 3 Operation Instructions 33 3.3 Procedure for Switching between Operation Modes 3.3.1 Procedure for Switching the UPS into Battery mode from Normal Mode Open input switch to cut off the mains, UPS enters the battery mode. If UPS should be switched to normal mode, wait for a few seconds before closing input switch, so as to supply the mains again. 10s later, the rectifier will start up automatically to supply power to the inverter. 3.3.
34 Chapter 3 Operating Instructions The load power is supplied by bypass. In the meantime, the rectifier starts up, rectifier indicator goes green 30s later, at this time, the inverter will start up automatically, and transfer to inverter mode 1 min later automatically. 3. Close external battery switch, the battery indicator goes off. Check if the battery voltage on LCD display is normal. 3.
Chapter 4 Operator Control and Display Panel 35 Chapter 4 Operator Control and Display Panel This chapter introduces the functions and operation instructions of the parts on UPS operator control and display panel in detail, and provides LCD display information, including LCD display types, detailed menu information, prompt window information and UPS alarm list. 4.1 Introduction The operator control and display panel is located on the front panel of the UPS.
36 Chapter 4 Operator Control and Display Panel 4.1.1 LED Indicator The LEDs shown on the mini current path represent the various UPS power paths and show the current UPS operating status. The status description of indicators is shown in table 4-2.
Chapter 4 Operator Control and Display Panel 37 4.1.3 Functional Keys There are 4 functional keys on operator control and display panel, which are used together with LCD. The functions description is shown in table 4-4. Functional key EPO switch TAB ENTER ESC Table 4-4 Functions of functional keys Functions To cut off the load power to shut down the rectifier, inverter, static bypass and battery switch confirm exit 4.
38 Chapter 4 Operator Control and Display Panel Icon Description History file, system information Function setting (display calibration, password setting, time setting, date format, communication protocol and language setting), system setting (used by product maintainers) Battery data, battery parameter setting (used by service staff) Test (battery self-test, battery maintenance) Functional keys used by service staff (fault clearing, history file clearing, noise clearing, manual switch of bypass), user’
Chapter 4 Operator Control and Display Panel Or select operating status of this module: 39 and confirm a module, as shown in fig 4-4, the LCD will display the 5 modules on-line Module 1 1# Inverter abnormal 3# Fan fault UPS bypass frequency abnormal Fig 4-4 Select a module Select in the operating status of a module, to view the main input data of this module. Select in the operating status of a module to view the main output data of this module.
40 Chapter 4 Operator Control and Display Panel UPS information window UPS information window: display the current time and UPS name. The information of the window is not necessary for the user to operate. The information of this window is given in table 4-6.
Chapter 4 Operator Control and Display Panel Menu name record Menu Language Menu item 41 Meaning UPS operator control and display panel please refer to table 4-9 (language option) Display calibration Date format set Date & Time Language set Settings Communication mode 3 languages can be selected Adjust the accuracy of LCD display MM DD YYYY and YYYY MM DD formats can be selected Date/Time set User can set the language (Chinese, English and a kind of optional language) Set communication mode, MODBUS, P
42 Chapter 4 Operator Control and Display Panel Alarm Battery float charging Battery discharging Battery connected Battery disconnected Maintenance circuit breaker close Maintenance circuit breaker open Emergency shutdown Generator connected Mains abnormal Bypass phase conversion Bypass voltage abnormal Bypass fault Bypass overload Up to bypass overtime of overload Bypass frequency tracing exceeds Switch times up to in this hour Output short Battery EOD Battery self-check Battery self-check success Batter
Chapter 4 Operator Control and Display Panel Alarm N# inverter fault N# rectifier overheat N# fan fault N# output overload N# overtime of overload N# inverter overheat Inverter power supply ban Manual switch of bypass Cancel manual switch of bypass Battery low voltage Battery reversal N# inverter protection Input N line disconnected Bypass fan fault N# manual shutdown 43 Explanation N# module inverter fault N# module rectifier overheat N# module fan fault N# module output overload N# module output overtim
44 Chapter 5 Maintenance Chapter 5 Installation of Parallel Operation System The parallel operation system is installed as required by the installation procedures of the single system and this chapter. The single devices are put parallel and connected as shown in fig. 5-1, and the difference between the lengths of the output cables of the single devices is not more than 10m. It is recommended to use an external bypass cabinet to facilitate maintenance and system testing.
Chapter 5 Maintenance 1# UPS 2# UPS 45 N# UPS Fig.
46 Chapter 5 Maintenance Chapter 6 Maintenance This chapter introduces UPS maintenance, including the maintenance instructions of power module, monitoring bypass module and the change method of dust filter. 6.1 Instruction to Power, Bypass, and Output Power Distribution Module 6.1.1 Precautions 1. Only maintaining engineers can maintain the power module and monitoring bypass module. 2.
Chapter 5 Maintenance 47 5. Take off the fixing bolt at the two sides of front board of bypass module, extract the front cable assembly of the module and extract the module from the cabinet. 6. After maintaining the module, insert the module into the cabinet, tighten the screw at the two sides, and connect the front cable assembly of manufacturer’s module. 7. Close UPS output switch and input switch in turn.
48 Chapter 5 Maintenance Chapter 7 Product Specification This chapter provides UPS product specification. 7.
Appendix 2 Toxic or Hazardous Materials or Elements Identification Table Module type Unit Mechanical Dimension, W×D×H Weight Color mm kg N/A MU6 49 MU12 430×600×134 20 Black 22 7.4 Electrical Characteristics (Input Rectifier) Items Rated AC Input Voltage Vac Table 7-4 Rectifier AC input (mains) Unit Parameter 200V/208V(three-phase and sharing neutral with the bypass input) -20%～+25% Input voltage range Vac Frequency2 Hz 50/60(range: 40Hz～70Hz) Power factor kW/kVA, full load 0.
50 Chapter 5 Maintenance 7.
Appendix 2 Toxic or Hazardous Materials or Elements Identification Table 51 7.
User’s Guide MD Series Modular UPS 380V /400V / 415V
Safety Precautions This manual is about the installation and operation of MD Series modular UPS (Hereinafter referred to as UPS). Please carefully read this manual prior to installation. The UPS must be debugged and maintained by the engineer commissioned by the manufacturer or the agent. Otherwise, human safety may be endangered and the damage of UPS shall not belong to the warranty scope.
Contents Chapter 1 Installation .............................................................................................................................. 4 1.1 Introduction ................................................................................................................................. 4 1.2 Initial Checking ............................................................................................................................ 4 1.3 Positioning ......................................
2.2.3 Auto-Restart Mode......................................................................................................... 25 2.2.4 Bypass Mode ................................................................................................................. 25 2.2.5 Maintenance Mode ........................................................................................................ 25 2.2.6 ECO Mode ...................................................................................................
7.3 Mechanical Characteristics ....................................................................................................... 47 7.4 Electrical Characteristics (Input Rectifier) ................................................................................. 48 7.5 Electrical Characteristics (Intermediate DC Link) ...................................................................... 48 7.6 Electrical Characteristics (Inverter Output)................................................................
Chapter 1 Installation Chapter 1 Installation This chapter introduces the installation of MD series UPS (hereby referred to as UPS), including initial checking, sitting, positioning, cabling and installation drawings. 1.1 Introduction This chapter introduces the relevant requirements for positioning and cabling of the UPS.
Chapter 1 Installation 1.3 Positioning 1.3.1 Distribution Room The UPS is designed for indoor installation, which shall be located in a clean environment with adequate ventilation to keep the environmental temperature within the required specification. The UPS uses forced convection cooling by internal fans. Cooling air enters the module through ventilation grills located at the front part of the cabinet and exhausted through grills located in the rear part of the cabinet.
Chapter 1 Installation Fig 1-1 Open method Firstly, open the top plate of the steel-edged wooden case with slotted awl and plier, followed by sideboards. Be careful not to scratch the product. See fig 1-2. Fig 1-2 Disassemble the case Take out the foam after disassembling the sideboards of the case as shown in fig 1-3.
Chapter 1 Installation Fig 1-3 Complete the disassembly Tip: Dismantle the bolt that connects the cabinet and wooden pallet after disassembly, then lift the cabinet to installation position. The dismantlement should be careful so as not to scratch the body. Verify the product label and confirm the correctness of the equipment. The equipment label is attached on the back of front door. The UPS model, capacity and main parameters are marked on the label. 1.4.
Chapter 1 Installation Foamed package Carton Fig 1-5 Open the carton Open the foamed cover, the equipment with plastic package can be see as shown in fig 1-6: Top cover of foamed package Carton Foamed package Equipment Fig 1-6 Open the foamed cover At last, take out the equipment with plastic package, and dismantle the packaging materials. Warm Tips: Please dispose the wasted materials in accordance with environmental protection requirements after disassembly.
Chapter 1 Installation Air sufficient enough to dispel heat produced by UPS Against ambient corrosive gases Against excessive humidity and heat sources Against dust With the current fire prevention requirements The operating environment temperature is within 20℃～25℃. The batteries are at maximum efficiency in this temperature range (for information about the battery storage and transportation as well as the environment, please refer to table 6-2). 1.4.
Chapter 1 Installation 开关单元 Switch unit 配电单元 unit Distribution Bypass module 旁路模块 Power module 功率模块 1.6m cabinet (front view) 1.6m cabinet (back view) Fig 1-7 UPS Composition Diagram Table 1-1 UPS Configuration Table Involved part name Quantity (Piece) Cabinet Power module Note Switch PDU Monitoring + bypass module 1 Standard configuration 1 Standard configuration Power module 1～6 or 1～10 Field installation is required 1.4.
Chapter 1 Installation 1. Each module shall be installed from bottom to top, the default setting of the system is module No. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. 2. Insert the module into installation position, and push in the cabinet. The wiring terminals in between shall be tight, and excessive force shall be prevented against the damage to inserted pins of the terminals. 3. Fix the module to the cabinet though the mounting holes on two sides of the front plate of the module.
Chapter 1 Installation 1.5 Protective Devices For safety concerns, it is recommended to install external circuit breakers or other protective devices for the input AC supply of the UPS system. This section provides generic practical information for qualified installation engineers. The installation engineers should have the knowledge of the regulatory wiring standards, and of the equipment to be installed. 1.5.
Chapter 1 Installation 1.5.3 UPS Output A main output switch has been installed in UPS, the user shall install the over current protective device on the bypass of each output of the external distribution cabinet. 1.6 Power Cables Design the cables according to the descriptions in this section and local regulatory wiring standards, and the environmental conditions should be taken into consideration. Refer to IEC60950-1 Table 3B.
Chapter 1 Installation The operations described in this section must be performed by authorized electricians or qualified technical personnel. If you have any difficulties, do not hesitate to contact our Customer Service & Support department . After the equipment has been finally positioned and secured, connect the power cables as described in the following procedures: 1.
Chapter 1 Installation connected to DRY terminal must be separated from power cables. Moreover, these cables should be double insulated with a typical 0.5 to 1.5 mm2 cross-section area for a maximum connection length between 25 and 50 meters. 1.7.1 Dry Contact Interface of Battery and Environmental Temperature Detection The input dry contact J2 and J3 can detect the temperature of batteries and environment respectively, which can be used in environment monitoring and battery temperature compensation 1.
Chapter 1 Installation Position Name Purpose J4.1 EPO_NC EPO is activated when disconnecting fromJ4.2 J4.2 ＋24V +24V, connect the common terminal of NC and NO J4.3 EPO_NO EPO is activated when shorting with J4.2 The EPO is triggered when shorting pin 2 and 3 or opening pin 2 and 1 of J4. If an external emergency stop facility is required, it is connected via the reserved terminals of J4.
Chapter 1 Installation +24V +24V +24V BCB_DRV BCB_CONT BCB_ONL J7 J6 Fig 1-16 BCB Port Table 1-6 Description of BCB port Description Position Name J6.1 J6.2 J7.1 BCB_DRV BCB_CONT GND J7.2 BCB_ONL BCB actuating signal, provide the actuating signal of +18V, 20mA BCB contact status, connect with the normally open signal of BCB Power ground BCB on-line–input (normally open) , BCB is on-line when the signal is connecting with GND 1.7.
Chapter 1 Installation GND ALARM_NO ALARM_NC J9 Fig 1-18 Integrated warning dry contact interface diagram Table 1-8 Integrated warning dry contact interface description Position J9.1 J9.2 J9.3 Name ALARM_NC ALARM_NO GND Purpose Integrated warning relay (normally closed) will be open during warning Integrated warning relay (normally open) will be closed during warning Centre of integrated warning relay 1.7.
Chapter 1 Installation 1.7.9 LBS (Load Bus Synchronizer) Port The dual bus system (DBS) consists of two independent UPS rack module systems, as shown in fig 1-20. The dual bus system is configured for high availability and is suitable for powering the load with dual inputs. If the load is single-input load, the static transfer switch and LBS control is recommended to maintain both UPS outputs synchronized for uninterrupted transfers.
Chapter 1 Installation 顶视图 Top view 200K UPS正视图 2m cabinet front view UPS正视图 1.
Chapter 1 Installation A 2m cabinet A 1.
Chapter 1 Installation A A处放大 of A Amplification Fig 1-24 UPS front view 22
Chapter 2 Operations 23 Chapter 2 Operations This chapter introduces the basic knowledge of UPS operations, including working principle, operation mode, battery management and protection. 警告 危 险 Warning: Hazardous mains voltage and/or battery voltage present(s)behind the protective cover The components that can only be accessed by opening the protective cover with tools can not be operated by user. Only qualified service personnel are authorized to remove such covers. 2.
24 Chapter 2 Operations Fig 2-1 System principle framework 2.1.2 Bypass Module The circuit blocks labeled “bypass module” in fig 2-1 contain electronically controlled switching circuits that enable the critical load to be connected to either the inverter output or to a bypass power source via the static bypass line. During normal system operation the load is connected to the inverter; but in the event of a UPS overload or inverter failure, the load is automatically transferred to the static bypass line.
Chapter 2 Operations 25 Battery mode Auto-Restart mode Bypass mode Maintenance mode (manual bypass) ECO mode Frequency converters mode 2.2.1 Normal Mode The UPS inverter power modules continuously supply the critical AC load. The rectifier/charger derives power from the AC mains input source and supplies DC power to the inverter while simultaneously FLOAT or BOOST charging its associated backup battery. 2.2.
26 Chapter 2 Operations 2.2.6 ECO Mode If economical (ECO) mode is selected, the double-conversion UPS will stop to work so as to save energy. During the operation of ECO mode, the load power will be supplied by bypass preferentially. When bypass power is within the range of normal frequency and voltage, load power will be supplied by bypass, or the system will transfer to inverter output, followed by load power interruption which extends within 3/4 of the utility period. E.g.
Chapter 2 Operations 27 2.4 Battery Protection The following functions should be fitted by commissioning engineers with specified software. 1. Battery Low Pre-warning The battery under voltage pre-warning occurs before the end of discharge. After this pre-warning, the battery should have the capacity for 3 remaining minutes discharging with full load. The time is user configured from 3 to 60 minutes. 2.
28 Chapter 3 Operating Instructions Chapter 3 Operating Steps This chapter describes UPS operation instructions in detail. All functional keys and LED display involved in operation instructions please refer to chapter 4. During operation, the buzzer alarm may occur at any time. Select “mute” on LCD to muffle the audible alarm. 警告 危 险 Warning-Hazardous mains voltage and/or battery voltage present(s)behind the protective cover 1.
Chapter 3 Operation Instructions 29 3.2.1 Normal Module Start This procedure must be followed when turning on the UPS from a fully powered down condition. The operating procedures are as follows: Warning 警告 危 险 This procedure results in mains voltage being applied to the UPS output terminals. If any load equipment is connected to the UPS output terminals please check with the load user that it is safe to apply power.
30 2. Chapter 3 Operating Instructions Press the red start-up button of battery under the rectifier input circuit breaker for 3 seconds (see fig 3-2). The LCD starts up at this time. The green battery indicator flashes. The rectifier enters normal operation states and after about 30s, the battery indicator goes steady green. 3. The inverter starts up automatically, the green inverter indicator flashes. The output of inverter appears after 60s. The UPS works on battery mode.
Chapter 3 Operation Instructions 31 Battery startup button 电池启动按钮 Fig 3-2 Position diagram of battery startup button 31
32 Chapter 3 Operating Instructions 3.3 Procedure for Switching between Operation Modes 3.3.1 Procedure for Switching the UPS into Battery mode from Normal Mode Open input switch to cut off the mains, UPS enters the battery mode. If UPS should be switched to normal mode, wait for a few seconds before closing input switch, so as to supply the mains again. 10s later, the rectifier will start up automatically to supply power to the inverter. 3.3.
Chapter 3 Operation Instructions 33 The load power is supplied by bypass. In the meantime, the rectifier starts up, rectifier indicator goes green 30s later, at this time, the inverter will start up automatically, and transfer to inverter mode 1 min later automatically. 3. Close external battery switch, the battery indicator goes off. Check if the battery voltage on LCD display is normal. 3.
34 Chapter 4 Operator Control and Display Panel Chapter 4 Operator Control and Display Panel This chapter introduces the functions and operation instructions of the parts on UPS operator control and display panel in detail, and provides LCD display information, including LCD display types, detailed menu information, prompt window information and UPS alarm list. 4.1 Introduction The operator control and display panel is located on the front panel of the UPS.
Chapter 4 Operator Control and Display Panel 35 4.1.1 LED Indicator The LEDs shown on the mini current path represent the various UPS power paths and show the current UPS operating status. The status description of indicators is shown in table 4-2.
36 Chapter 4 Operator Control and Display Panel 4.1.3 Functional Keys There are 4 functional keys on operator control and display panel, which are used together with LCD. The functions description is shown in table 4-4. Functional key EPO switch TAB ENTER ESC Table 4-4 Functions of functional keys Functions To cut off the load power to shut down the rectifier, inverter, static bypass and battery switch confirm exit 4.
Chapter 4 Operator Control and Display Panel Icon 37 Description History file, system information Function setting (display calibration, password setting, time setting, date format, communication protocol and language setting), system setting (used by product maintainers) Battery data, battery parameter setting (used by service staff) Test (battery self-test, battery maintenance) Functional keys used by service staff (fault clearing, history file clearing, noise clearing, manual switch of bypass), user’
38 Chapter 4 Operator Control and Display Panel Or select operating status of this module: and confirm a module, as shown in fig 4-4, the LCD will display the 5 modules on-line Module 1 1# Inverter abnormal 3# Fan fault UPS bypass frequency abnormal Fig 4-4 Select a module Select in the operating status of a module, to view the main input data of this module. Select in the operating status of a module to view the main output data of this module.
Chapter 4 Operator Control and Display Panel 39 UPS information window UPS information window: display the current time and UPS name. The information of the window is not necessary for the user to operate. The information of this window is given in table 4-6.
40 Chapter 4 Operator Control and Display Panel Menu name record Menu Language Menu item Meaning UPS operator control and display panel please refer to table 4-9 (language option) Display calibration Date format set Date & Time Language set Settings Communication mode 3 languages can be selected Adjust the accuracy of LCD display MM DD YYYY and YYYY MM DD formats can be selected Date/Time set User can set the language (Chinese, English and a kind of optional language) Set communication mode, MODBUS, P
Chapter 4 Operator Control and Display Panel Alarm Battery float charging Battery discharging Battery connected Battery disconnected Maintenance circuit breaker close Maintenance circuit breaker open Emergency shutdown Generator connected Mains abnormal Bypass phase conversion Bypass voltage abnormal Bypass fault Bypass overload Up to bypass overtime of overload Bypass frequency tracing exceeds Switch times up to in this hour Output short Battery EOD Battery self-check Battery self-check success Battery man
42 Chapter 4 Operator Control and Display Panel Alarm N# inverter fault N# rectifier overheat N# fan fault N# output overload N# overtime of overload N# inverter overheat Inverter power supply ban Manual switch of bypass Cancel manual switch of bypass Battery low voltage Battery reversal N# inverter protection Input N line disconnected Bypass fan fault N# manual shutdown Explanation N# module inverter fault N# module rectifier overheat N# module fan fault N# module output overload N# module output overti
Chapter 5 Maintenance 43 Chapter 5 Installation of Parallel Operation System The parallel operation system is installed as required by the installation procedures of the single system and this chapter. The single devices are put parallel and connected as shown in fig. 5-1, and the difference between the lengths of the output cables of the single devices is not more than 10m. It is recommended to use an external bypass cabinet to facilitate maintenance and system testing.
44 Chapter 5 Maintenance 1# UPS 2# UPS N# UPS Fig.
Chapter 5 Maintenance 45 Chapter 6 Maintenance This chapter introduces UPS maintenance, including the maintenance instructions of power module, monitoring bypass module and the change method of dust filter. 6.1 Instruction to Power, Bypass, and Output Power Distribution Module 6.1.1 Precautions 1. Only maintaining engineers can maintain the power module and monitoring bypass module. 2.
46 Chapter 5 Maintenance 5. Take off the fixing bolt at the two sides of front board of bypass module, extract the front cable assembly of the module and extract the module from the cabinet. 6. After maintaining the module, insert the module into the cabinet, tighten the screw at the two sides, and connect the front cable assembly of manufacturer’s module. 7. Close UPS output switch and input switch in turn.
Appendix 2 Toxic or Hazardous Materials or Elements Identification Table 47 Chapter 7 Product Specification This chapter provides UPS product specification. 7.
48 Chapter 5 Maintenance Module type Unit Mechanical Dimension, W×D×H Weight Color MU10 mm MU15 MU20 440×590×134 kg N/A 21 22 Black 22 7.4 Electrical Characteristics (Input Rectifier) Items Rated AC Input Voltage Vac Table 7-4 Rectifier AC input (mains) Unit Parameter 380/400/415(three-phase and sharing neutral with the bypass input) -20%～+25%, -40 % power derating Input voltage range Vac Frequency2 Hz 50/60(range: 40Hz～70Hz) Power factor kW/kVA, full load 0.99 THD THDI％ 3 7.
Appendix 2 Toxic or Hazardous Materials or Elements Identification Table 49 7.
50 Chapter 5 Maintenance 7.
Appendix 2 Toxic or Hazardous Materials or Elements Identification Table Appendix A 51 Guidebook to Ordering and Selection of MD System MD series UPS module can be divided into equipment cabinet and power module. For the cabinet lectotype please refer to the description in fig 6-1.
52 Chapter 5 Maintenance Appendix A Guidebook to Ordering and Selection of MD System MD series UPS module can be divided into equipment cabinet and power module. For the cabinet lectotype please refer to the description in fig 6-1.
