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Summary of Contents for INVT RM150/25C
- Page 1 Service Manual For RM150/25C and RM200/25C INVT Power System Power Solution Specialist INVT POWER SYSTEM (SHENZHEN) CO.,LTD Service Manual For RM150-200...
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Page 2: Safety Instruction
Safety Instruction Safety Instruction Safety Message Danger: Serious human injury or even death may be caused, if this requirement is ignored. Warning: Human injury or equipment damage may be caused, if this requirement is ignored. Attention: Equipment damage, loss of data or poor performance may be caused, if this requirement is ignored. -
Page 3: Move & Install
Move & Install Keep the equipment away from heat source or air outlets. In case of fire, use dry powder extinguisher only, any liquid Danger extinguisher can result in electric shock. Do not start the system if any damage or abnormal parts founded. -
Page 4: Battery Safety
Safety Instruction Battery Safety All the battery maintenance and servicing procedures involving internal access need special tools or keys and should be carried out only by trained personnel. WHEN CONNECTED TOGETHER, THE BATTERY TERMINAL VOLTAGE WILL EXCEED 400Vdc AND IS POTENTIALLY LEATHAL. ... -
Page 5: Disposal
sure to wear a pair of protective glasses, rubber gloves and skirt when operating the battery. Otherwise, you may become blind if acid enters your eyes and your skin may be damaged by the acid. At the end of battery life, the battery may have internal short circuit, drain of electrolytic and erosion of positive/negative plates. -
Page 7: Table Of Contents
Contents Contents SAFETY INSTRUCTION ......................... I ............................II AFETY ESSAGE ............................II ARNING ABEL ..........................II AFETY NSTRUCTION & I ............................. III NSTALL & O ..........................III EBUG PERATE & R ......................... III AINTENANCE EPLACEMENT ............................IV ATTERY AFETY ..............................V ISPOSAL INTRODUCTION TO UPS STRUCTURE AND KEY COMPONENTS ........... -
Page 9: Introduction To Ups Structure And Key Components
Introduction to UPS Structure and Key components 1 Introduction to UPS Structure and Key components Structure The modular UPS consists of power unit, STS, Bypass Maintenance Switch and external battery, as is shown in Figure 1-1. Power unit： It consists of parallel power modules. Each power module includes Rectifier and Inverter. - Page 10 Introduction to UPS Structure and Key components Figure 1.2 Topological diagram of the system Service Manual For RM300...
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Page 11: Structure Of The Cabinet
Structure of the Cabinet 2 Structure of the Cabinet Front of the Cabinet The front view is shown in Figure 2.1. Figure 2.1 Front view Back of the Cabinet The back view is shown in Figure 2.2 Figure 2.2 Back view Service Manual For RM150-200... -
Page 12: Communication Interface
Structure of the Cabinet Communication Interface The more details of interface is shown in Figure 2.3 SNMP Dry contact Parallel interface RS232 RS485 (a) Communication interface RM150/25C RS485 SNMP RS232 Dry contact Parallel interface (b) Communication interface RM200/25C Figure 2.3 Communication interface... -
Page 13: Structure Of Module
Structure of Module 3 Structure of Module Bypass and monitor module The details of bypass and monitor module is shown in Figure 3.1 Cold start button Figure 3.1 bypass and monitor module Power module The power module mainly contains input board, rectifier board, inverter board, output board, REC control board, INV control board, etc. -
Page 14: Wiring Diagram Of The Power Module
Structure of Power Module Wiring diagram of module The wiring diagram of bypass and monitoring module is shown in Figure 3.3. 3.3 Wiring diagram of bypass and monitoring module The wiring diagram of power module is shown in Figure 3.4. Fig 3.4 Wiring diagram of power module Service Manual For RM300... -
Page 15: Power Module Inspection
Trouble shooting 4 Power module inspection Firstly, please follow the below steps to check the components in the power module. ① Exam the connectors terminals at the back of power module if they are out of shape, burnt or drawn in. ②... -
Page 16: Rectifier Igbt
Trouble shooting Figure 4.2 Drive signal of the SCR pin A-K Rectifier IGBT Turn the multi-meter to the diode channel, measure the status of diode (anode to cathode), the normal value should be around 0.4V. The procedures of testing rectifier IGBT are shown in Figure 4.3. -
Page 17: Inverter Igbt
Trouble shooting Inverter IGBT Turn the multi-meter to Diode Chanel and test the voltage drop of the inverter IGBT, the normal value should be around 0.4V. The procedures of testing inverter IGBT are shown in Figure 4.5. Figure 4.5 Definition of the pin The drive signal wave is as following, as shown in Figure 4.6. -
Page 18: Relay
Trouble shooting Figure 4.8 Input fuses and battery fuses Figure 4.9 Output fuses Relay Check the resistance of the relay between the input terminal and the fuse, as shown in Figure 4.10. If the resistance is infinite or no value, the relays should be OK. If the values are under several ohms the relays maybe get shorted. -
Page 19: Trouble Shooting
Trouble shooting Figure 4.10 output relays 5 Trouble shooting Status Bits Description Seq. Items Other Load on status None Module REC status Soft-start Normal work INV status Soft-start Normal work BYP status Ok for supply range Dischargi Battery status connecte Boost float not work... -
Page 20: Alarm Bits Description
Trouble shooting Ready for INV supply status allow to Supplying supply supply Generator in Generato Generator In Reserved Reserved Reserved Trip Trip signal Exterior BCB trip signal active inactive Exterior BCB connect connecte Connected status Exterior BCB status Open Closed EPO status Not EPO Pushed... - Page 21 Trouble shooting REC Fault Fault INV Fault Fault Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Input phase A over Fault current Input phase B over Fault current Input phase C over Fault current Output phase A Fault voltage Fault Output phase B Fault voltage Fault...
- Page 22 Trouble shooting voltage Fault Fan Fault Fault Reserved Reserved Positive bus under Fault voltage Negative bus under Fault voltage Positive battery Fault reversed Negative battery Fault reversed Reserved Reserved over Positive charger under voltag voltage Fault voltage over Negative charger under voltag voltage Fault...
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Page 23: Alarms Check And Solution Tips
Trouble shooting Manual shutdown normal shutdown INV protect Fault Transfer times limit in Fault one hour INV power back feed Fault Reserved Reserved Reserved INV over temperature Fault Fault INV IGBT over current Fault Reserved Over load normal over load INV relay or fuse Fault Fault Reserved... - Page 24 Trouble shooting Main Input Fault A) Main input voltage out of range. B) Main input frequency out of range. C) Main input sequence is reversed REC Fault A) REC over temperature. B) Dc bus over voltage latched. C) REC soft-start Fault. D) Input current unbalance.
- Page 25 Trouble shooting Input Frequency fault A) Input frequency out of range Input Sequence Fault A) Input sequence is reversed REC soft-start fault A) After the REC soft-start step, the bus voltage can not reach the default value. Tip 1: REC SCR fail. Tip 2: REC SCR driver fail.
- Page 26 Trouble shooting Tip 3: Charger voltage detecting and sampling circuit fail. Positive/Negative battery voltage low A) Battery voltage is low ( a little bigger than the EOD point). Positive/Negative battery EOD A) Battery voltage reaches the end of discharge point. BYP sequence fault A) BYP sequence reversed.
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Page 27: Cabinet Trouble Shooting
Trouble shooting Tip 1: INV IGBT fail. Tip 2: INV IGBT driver fail. Over load A) PM over load. INV relay or fuse fault. A) INV relay Fail Tip 1: relay can not be closed. Tip 2: relay can not be opened. B) INV fuse fail. - Page 28 Trouble shooting Cabinet Failures Description. On UPS Inhibited A) System transfer to UPS is inhibited. Tip 1: BYP SCR shorted. Tip 2: System is in EPO. Tip 3: Maintenance CB is Closed. Tip 4: Manual transfer to BYP latched. Tip 5: Transfer times per hours Limited. Tip 6: Output load is more than the total capacitor of the ready INV.
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Page 29: Appendix: Led Indication
Appendix: LED INDICATION Appendix: LED INDICATION FLASHING CONSTANT FLASHING CONSTANT GREEN GREEN REC works Input is REC not work REC soft-start. REC failure. normally. abnormal. INV soft-start or INV is not INV is INV not work started but not allowed to INV failure.
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