Related Manuals for Xtreme Power Conversion M90S
Summary of Contents for Xtreme Power Conversion M90S
- Page 1 M90S Online Single-Phase UPS 6kVA, 12kVA, 18kVA, 24kVA Models Service Manual www.xpcc.com | © 2019 Xtreme Power Conversion Corporation. All rights reserved.
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Page 2: Table Of Contents
M90S Service Manual Uninterruptible Power Supply Table of Contents General Information..................4 Getting Started..........................4 Important Safefty Instructions......................4 Electronic Specifications................5 Environmental Parameters......................6 Functional Block...................7 Working Pricipal of the Major Functional Block................8 Switch Power Supply........................9 PFC/Booster............................9 Inverter............................9 Charger............................10 EMI Board............................10 Function Explanations for Each PCBA............11 PFC Board (Power Factor Correct Board)..................11... - Page 3 M90S Service Manual Uninterruptible Power Supply Bypass Mode..........................13 Line Mode.............................14 Battery Mode..........................15 Battery test Mode.........................15 Fault Mode............................15 Converter Mode..........................16 ECO Mode.............................17 Shutdown Mode...........................17 Trouble Shooting..................17 LCD Panel Display Pattern Definition....................1 Trouble shooting for warning icon in LCD display...............17T rouble shooting for fault codes in LCD display................18 Repair......................21...
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Page 4: General Information
1. General Information 1.1 Getting started This manual is for the M90S series UPS. It can help service personel perform the basic maintenance and repair service. This manual only focuses on the service section, so you should get the basic operation of the UPS from the user manual, and make sure you have read and understood the user manual before reading the manual. -
Page 5: Electronic Specifications
M90S Service Manual Uninterruptible Power Supply 2. Electric Specifications Input 88~155 Input Voltage VAC(L-N) 46~54 Hz for 50Hz system Input Frequency 56~64 Hz for 60Hz system ≥ 0.99 @100% R/RCD Load Input Power Factor ≥ 0.97 @ 50% R/RCD Load Input THD(Full Load) <4%@ Linear load... - Page 6 M90S Service Manual Uninterruptible Power Supply Overload Protection Alarm and Transfer To Bypass after 30min @ Line mode 100%~110% Alarm and Cut Off Output after 3min @ Battery mode Alarm and Transfer To Bypass after 5min @ Line mode 110%~130%...
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Page 7: Functional Block
M90S Service Manual Uninterruptible Power Supply 3. Functional block As a true online UPS, the product employs a double conversion topology, comprise following functional blocks, as shown in Figure 3.1. Figure 3.1 function block diagram The CNTL block controls the action of the UPS system, the CNTL also provi des the communication interface for receiving and executing command from user via the panel or other communication protocol. -
Page 8: Working Pricipal Of The Major Functional Block
M90S Service Manual Uninterruptible Power Supply 4. Working principle of the major functional block 4.1 Switch Power Supply The switch power supply (SPS) supplies DC power for UPS operation. The input voltage of the SPS is the battery or AC input voltage. -
Page 9: Inverter
M90S Service Manual Uninterruptible Power Supply 4.2 PFC/Boost circuit Figure 4.2 Boost circuit topology As shown in the Figure 4.2, when Q1/Q2 are on, and D1/D2 are off, the choke (L1/L2) will store energy and the current following through the choke will increase as time passes. When the Q1/Q2 are off, the choke releases energy and the D1/D2 are on, the current of the choke will decrease as time passes. -
Page 10: Charger
M90S Service Manual Uninterruptible Power Supply 4.4 Charger The Charger is to recharge and maintain the batteries at fully charged condition .The charger charges the batteries with a constant current at initial stage, and as battery voltage keeps increasing, the charge current decreases accordingly until the charge voltage reached the constant voltage level, and then the charger turns to the floating charge mode. -
Page 11: Function Explanations For Each Pcba
M90S Service Manual Uninterruptible Power Supply 5. Functional explanations for each PCB Table 5.1 PCB information of M90S Item PCB name PCB serial number Quantity Remark 71-302898-XXG 71-302900-XXG Charger 71-302899-XXG CNTL 71-303212-XXG 71-303125-XXG 71-302936-XXG IPOP 71-302901-XXG EPO + 71-302264-XXG COMM... -
Page 12: Pfc Board (Power Factor Correct Board)
BUS capacitor. When UPS works in Battery mode, the PFC will boost the battery voltage to higher DC BUS voltage. Figure 5.1.2 M90S PCF board 5.2 INV board (Inverter Board) The INV Board includes STS and Inverter. It converts the DC power to a pure sine waveform, in the purpose of less or no transfer time. -
Page 13: Cntl Board (Control Board)
After the UPS is connected to the utility power, the charger will charge the batteriies automatically except in Battery mode or during battery test, and the charge current can be set from 1A~4A via LCD or communication port. Figure 5.3.1 M90S 1/1&3/1&3/3-10K Charge Board Figure 5.3.2 M90S Charge Board 5.4 CNTL board (Control board) CNTL board controls the action of the semiconductors and other mechanical switches, the display of the LED/ LCD, the sound of the buzzer, the communication with the computer, and other important items. - Page 14 M90S Service Manual Uninterruptible Power Supply 5.5 BUS board The BUS board work as stable DC power, storing energy from PFC and passing it to inverter and charger. Figure 5.5 Bus board 5.6 SPS board (Switch power supply) The SPS board supplies DC power for the UPS system. The input voltage of t he SPS is the battery or AC input voltage.
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Page 15: Emi Board
The EMI board can protect the UPS from external electronic/magnetic noi se generated by other electronic systems, and also protect other systems from the noise generated inside the UPS system. Figure 5.7 1 M90S IPOP EMI Board 5.8 EPO and Communication board Communication board includes EPO and COMM board. - Page 16 M90S Service Manual Uninterruptible Power Supply 5.9 SYS LCD Panel board LCD combine with PCBA, the Panel board provide the LED and LCD display to the user. Figure 5.9.1 Panel PCBA Figure 5.9.2 LCD Xtreme Power Conversion Corporation Page 16...
- Page 17 M90S Service Manual Uninterruptible Power Supply 5.10 SWITCH board The AC input disconnect, used for DC start. Figure 5.10 Switch board 6. Interface Xtreme Power Conversion Corporation Page 17...
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Page 18: Standby Mode
M90S Service Manual Uninterruptible Power Supply Table 6.1 The function keys for UPS module Control Key Description Battery Starts When there is battery but no AC, press this buttont, awakens the SPS. ON/ENTER Press this button to turn on the UPS. - Page 19 M90S Service Manual Uninterruptible Power Supply 6.3 LCD Display 6.3.1 LCD Structure Figure 6.1 below illustrates LCD menu structure Figure 6.1 LCD Menu Structure 6.3.2 Main interface (Home Page) After initialization, the main screen will display as Figure 2. Main screen is divided into four parts.
- Page 20 M90S Service Manual Uninterruptible Power Supply Figure 2 M90S power module LCD main interface 1) UPS Mode: Current Operation Mode. 2) it will display the UPS running status mode and parallel information as refer to below table. information New module Master S<n>...
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Page 21: Trouble Shooting
M90S Service Manual Uninterruptible Power Supply 7. Trouble Shooting 7.1 Warning status When Fault LED flashes and the buzzer beeps once every second, it means that there are some problems with UPS. Users can see the warning code from LCD panel and refer to the trouble shooting table to check what problem have probably happened. - Page 22 M90S Service Manual Uninterruptible Power Supply 7.3 Troubleshooting table LCD Message Explanation Solution Fault 01:Bus Start Fail The rectifiers could not start Turn off UPS and then restart the UPS. within specified time due to low If it fails again, mainly check that the IGBT and SCR DC-bus voltage.
- Page 23 M90S Service Manual Uninterruptible Power Supply LCD Message Explanation Solution Fault 14:Inv Short R R phase inverter output is short Mainly check that the R phase IGBT etc power circuited components are well. Meanwhile check that the components on the drive circuit are well.
- Page 24 M90S Service Manual Uninterruptible Power Supply LCD Message Explanation Solution Fault 34:Ver Incompat The firmware version between Contact service personnel. UPS modules is incompatible. Fault 41:DSP Comm The internal communication in Contact service personnel. Fail UPS module is interrupted. Fault 42:Over load Heavy overload causes UPS fault.
- Page 25 M90S Service Manual Uninterruptible Power Supply LCD Message Explanation Solution Warning Fuse is broken. Turn off UPS and replace a good one with the bro‐ 0D:LineFuseOpen ken one. If UPS fails again after you do this, con‐ tact the service personnel.
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Page 26: Basic Instruments And Tools
M90S Service Manual Uninterruptible Power Supply LCD Message Explanation Solution Warning! Control As stated. Contact service personnel. Module SPS 1 Fault Warning! Control As stated. Contact service personnel. Module SPS 2 Fault Troubleshooting in other cases Problem Possible cause Action... - Page 27 M90S Service Manual Uninterruptible Power Supply Communication protocol setting Display setting Figure 7.1 Hyper terminal setting 2. After you finished the setting, you can type the command in the comma nd area. 3. +BUS voltage regulation: Type “BUSP+/- XX” command (XX is two digits from 00 to 19), then press the “ENTER”...
- Page 28 M90S Service Manual Uninterruptible Power Supply Notes: 1. Be sure the ground of the UPS connect earth safely while parameter regulation. 2. The new assembly UPS must be regulated. 3. The UPS who have been replaced CNTL/PSDR must be regulated agaiin.
- Page 29 M90S Service Manual Uninterruptible Power Supply Repair the UPS according to the trouble shoo Connect the DC source and press ON SPS failure and Check the wiring less than repair it and correct it 0.5s LCD light and fan Input CD voltage on the...
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