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Vertiv

 

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NetSure Rectifier Module User Manual (UM1R243000 / 11BJ1307WA)

 

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Rev. G 

19 

TROUBLESHOOTING AND REPAIR 

Troubleshooting 

Rectifier Current Sharing Imbalance 

When multiple rectifiers are operating in parallel and load is 10%-100%, then if the current sharing imbalance 
among them is greater than +/-3A of the average rectifier current, check if the rectifier is properly seated in the 
shelf. 

If the current sharing imbalance still persists following the verification suggested above, replace the rectifier 
exhibiting the current imbalance. 

Rectifier Module Fault Symptoms and Troubleshooting 

The fault indicators that can be displayed by the rectifier are as follows.  Refer to 

Table 3

 for a list of possible 

causes and corrective actions. 

•

 

Power Indicator (Green) OFF 

•

 

Protection Indicator (Yellow) ON 

•

 

Protection Indicator (Yellow) Flashing 

•

 

Alarm Indicator (Red) ON 

•

 

Alarm Indicator (Red) Flashing 

Summary of Contents for NetSure R24-2500

Page 1: ...NetSure Rectifier Module User Manual UM1R243000 11BJ1307WA Revision G Specification Number 1R242500 1R243000 Model Number R24 2500 R24 3000 ...

Page 2: ...and materials to be used in performing procedures not specifically described in this document This document may contain confidential and or proprietary information of Vertiv Group Corporation and its receipt or possession does not convey any right to reproduce disclose its contents or to manufacture or sell anything that it may describe Reproduction disclosure or use without specific authorization...

Page 3: ... Introduction 7 Overview 7 Specifications 7 DC Output Ratings 7 AC Input Ratings 9 Environmental Ratings 11 Compliance Information 12 Standard Features 12 Mechanical Specifications 15 Operation 16 Local Indicators 16 Rectifier High Voltage Shutdown and Lockout Restart 16 Installing Rectifier Modules 18 Troubleshooting and Repair 19 Troubleshooting 19 Rectifier Current Sharing Imbalance 19 Rectifie...

Page 4: ... avoided ANSI OSHA This admonition is not used for situations that pose a risk only to equipment data or service even if such use appears to be permitted in some of the applicable standards OSHA ALERT Alerts the reader to an action that must be avoided in order to protect equipment software data or service ISO ALERT Alerts the reader to an action that must be performed in order to prevent equipmen...

Page 5: ...pable of producing fatal electrical shock DC Output and Battery Voltages DANGER This system produces DC power and may have a battery source connected to it Although the DC voltage is not hazardously high the rectifiers and or battery can deliver large amounts of current Exercise extreme caution not to inadvertently contact or have any tool inadvertently contact an output terminal or battery termin...

Page 6: ...sary Read and follow wrist strap manufacturer s instructions outlining use of a specific wrist strap 3 Do not touch traces or components on equipment containing static sensitive components Handle equipment containing static sensitive components only by the edges that do not have connector pads 4 After removing equipment containing static sensitive components place the equipment only on conductive ...

Page 7: ...t charged Rectifiers operate in the Constant Voltage Mode unless load increases to the point where the product of load current and output voltage is approximately 2500W R24 2500 or 3000W R24 3000 Constant Power Mode As load increases above approximately 2500W R24 2500 or 3000W R24 3000 non adjustable output current continues to increase but output voltage decreases as required to maintain constant...

Page 8: ...onitors the ambient temperature surrounding the power conversion circuit If this temperature for any reason such as a high ambient temperature or failed fan increases above approximately 50 C 122 F the rectifier will not shut down Rather the rectifier limits its maximum output power to maintain the temperature of the power conversion circuit within design parameters Operation between 50 C 122 F an...

Page 9: ...e voltage does not exceed 4 milliseconds c Dynamic Line Any step change of line voltage within the specified operating range shall not cause the output voltage to deviate outside the 0 5 regulation band Filtering with or without battery Typical readings were taken at nominal input voltage nominal output voltage 50 load and 25 C 77 F ambient a Voice Band Noise Complies with Telcordia GR 947 CORE 1 ...

Page 10: ...53 98 9 85 93 334 11 50 6 406 1330 53 1327 87 99 8 90 18 445 11 75 9 495 1973 06 1971 09 99 9 90 84 615 79 100 12 683 2639 33 2636 69 99 9 90 57 848 46 110 13 683 2839 22 2833 54 99 8 90 26 942 01 120 13 69 2846 15 2840 46 99 8 89 74 994 54 240 0 0 3433 82 4263 19 535 23 7 66 66 25 2 956 708 258 691 259 97 6 86 51 318 16 50 5 551 1327 8 1322 49 99 6 90 59 424 57 75 8 288 1975 86 1971 91 99 8 91 15...

Page 11: ...3 100 12 77 3064 1 3060 8 99 9 93 46 680 27 110 13 908 3336 8 3333 1 99 89 93 14 777 23 120 13 981 3354 1 3350 4 99 89 92 54 849 45 b Maximum Input Current 18 3A at 100 of full load with output adjusted to 28 5 volts DC as measured at the shelf output terminals and input voltage of 180 volts Environmental Ratings Operating Ambient Temperature Range 40 C to 75 C 40 F to 167 F Specification Complian...

Page 12: ...imits Compliance Information Safety Compliance This unit meets the requirements of UL 60950 1 Standard for Information Technology Equipment and is UL Recognized as a power supply for use in Telephone Electronic Data Processing or Information Processing Equipment This unit meets the requirements of CAN CSA 22 2 No 60950 00 and is tested and Certified by UL c UR as a Component Type Power Supply The ...

Page 13: ... to a completely discharged battery or capacitor bank without operating rectifier protective devices or needing any manual intervention b Fusing The rectifier contains an output fuse non user replaceable Rectifier output power is lost and its fault indicator red illuminates if the output fuse opens The rectifier can be plugged into or pulled out of a shelf while operating without damage or opening...

Page 14: ... are operating in the same system they will share load at the ratio of their output power ratings Startup Time The rectifier has two startup modes a Normal Startup Start up time defined as beginning at AC input being applied and ending when full output power has been reached consists of two time intervals the delay period and the output voltage ramp up period During the delay period the output vol...

Page 15: ... current of all rectifier is greater than 20 of full rated current and the difference between local rectifier current and average current is greater than 16 of full rated current the yellow protection indicator will illuminate b When the average current of all rectifier is greater than 10 of full rated current and local rectifier current is less than 1 5 of full rated current then the red fault in...

Page 16: ...igh Temperature Protection Thermal Derating AC Derating AC Fail Imbalanced Output Current Address Code Date Software Version Hardware Version OPERATION Local Indicators Location and Identification Refer to Figure 1 Description There are three 3 indicators located on the rectifier s front panel The functions of these indicators are as shown in Table 2 NOTE DC voltage must be present at the rectifie...

Page 17: ...e Moderate load sharing imbalance Rectifier not inserted into the slot completely Rectifier over temperature protection Rectifier in ECO Standby Mode when ECO Mode is active in controller Flashing Loss of communication with controller the rectifier can provide power Alarm Red Off On Severe load sharing imbalance Rectifier output disabled for any reason including overvoltage shutdown and internal o...

Page 18: ... mechanism located at the right side of the module Refer to Figure 2 for latch mechanism illustration 3 Push the rectifier completely into the shelf 4 Push the handle into the front panel of the module Tighten the captive screw on the handle This will lock the module securely to the shelf 5 Repeat the above steps for each rectifier being installed in the system 6 After the rectifiers are physicall...

Page 19: ... the rectifier is properly seated in the shelf If the current sharing imbalance still persists following the verification suggested above replace the rectifier exhibiting the current imbalance Rectifier Module Fault Symptoms and Troubleshooting The fault indicators that can be displayed by the rectifier are as follows Refer to Table 3 for a list of possible causes and corrective actions Power Indi...

Page 20: ...remove any object that may be blocking the inlet or outlet Ambient temperature too high or rectifier inlet too close to a heat source lower the ambient temperature or relocate the heat source Rectifier in ECO Standby Mode when ECO Mode is active in controller Protection Indicator Yellow Flashing Loss of communication with controller the rectifier can provide power Check the communication cables Re...

Page 21: ...de of the module Refer to Figure 2 for latch mechanism illustration 3 Grasp the handle and pull firmly to remove the module from the shelf 4 Place the replacement Rectifier Module into the mounting position without sliding it in completely 5 Loosen the captive screw on the module handle Pull the handle to pivot it out of the module front panel this will also retract the latch mechanism located at ...

Page 22: ...e rectifier Remove the faceplate 5 For proper orientation of the new fan s observe the location of the fan wires and the air flow arrows on the old fan s 6 Carefully pull the fan s out from the rectifier until the fan power cable s can be accessed 7 Unplug the fan power cable s from connector s on the PC board and remove the fan s 8 Plug the power cable s of the replacement fan s into the connecto...

Page 23: ...23 Figure 3 Rectifier Module Fan Replacement Fan Power Connectors Fans Faceplate Mounting Screws 4 Faceplate Note Verifiy arrows on fan bodies point toward rear of module Front View Position fans so that power cables exit fans here Align holes in fan with tabs on faceplate ...

Page 24: ...VertivCo com Vertiv Headquarters 1050 Dearborn Drive Columbus OH 43085 USA UM1R243000 11BJ1307WA RG 08 17 ...

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