25A Switch Mode Rectifier
MPR25 / MPR15 Series, Single Phase −
Astec Advanced Power Systems
Installation and User Manual
Page
25A Switch Mode Rectifier
MPR25 / MPR15 Series, Single Phase −
Astec Advanced Power Systems
Installation and User Manual
Page
September
Publication history
January
November
October 1
February 15
6 Publicaton history
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Specifications
Contents
About this manual
Introduction
Installation and start-up procedures
Power shelf
Maintenance
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Contents
Low voltage disconnect
Appendix C Recommended replacement parts
List of Figures
Appendix D Technical service assistance
Appendix B NT5C10CO shelf
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
List of Tables
Figure 37 - System application - NT5C10CA-1/2, NT5C10CB-1/2, 3/4, 5/6
NT5C10CC-1/2, NT5C10CD-1/2, NT5C10CE-1/2, NT5C10CF-1/2
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List of Procedures
12 Contents
About this manual
Safety precautions
Purpose of this manual
How this manual is organized
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14 About this manual
Applications
Introduction
Rectifier models
Table 2 - Rectifier feature summary
Table 1 - NT5C06B/C models
MODEL
Mechanical
Specifications
Electrical Rectifier voltage and current
20 A AC breaker
Output noise and ripple
Output voltage
Floating
Equalizing
Temperature
Efficiency and power factor
Acoustical noise
Reliability
Storage
Transportation
Rectifier operation
Operation
Display and rear interface Display
Indicator lamps
Local float / equalize control
Figure 1 - NT5C06B/C Rectifier front view
Fan failure alarm
Rectifier failure alarm RFA
Internal high voltage shut down HVSD
Local ON/OFF control DC and optional AC breakers
Test points V+
Fan cooling assembly
Current meter
Fan filter option
Power interface edge connector
Signal connector
Features
Operating features Remote voltage sensing
AC inrush current
Monitoring features Input AC voltage monitor
Sequential start
Parallel operation
Control features Remote ON/OFF control
Measurement features Remote rectifier current measurement
Output current monitor
Remote high voltage shutdown
Remote equalize control
Local/remote high voltage shutdown reset
Signal connections
Figure 3 - Signal Connector
Signal
Rectifier and controller interface connections
Designation
Description
Mechanical
Power shelf
FEATURES
Table 4 - Power Shelf Feature Summary
MPS75S
MPS75E
Color
PEC Code
When hooked up to an external RPM1000, order a Hot
Stand By HSB and an equalize switch assembly
When used with an RPM1000C, order P0736447
When used with the I/F PCB option, order kit P0736446
To use the optional AC Fail Alarm, order NT5C10KC
A0627571
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Table 7 - Modular power shelf system application signal availability
Operation
AC FAIL
Table 8 - List of abbreviations used in Tables 6 and
Figure 4 - 19-inch power shelf front view
Figure 6 - Power shelf NT5C10BJ or NT5C10BK exterior view
Figure 5 - 23-inch power shelf front view
Figure 7 - Power shelf NT5C10BJ or NT5C10BK interior view
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Electrical
Figure 8 - Power shelf NT5C10BM e/w EQL switch assembly
Figure 9 - Power shelf NT5C10CO equipped with start delay LED
50 A
25 A
75 A
46 V DC to -57 V DC
Storage
Environmental
Temperature
Installation procedure
Installation and start-up procedures
Procedure 1 - Power shelf installation
Position the power shelf against the rack
Figure 11 - 23-inch power shelf
Figure 10 - 19-inch power shelf
42 Installation and start-up procedures
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Figure 12 - 19-inch power shelf NT5C10BF and NT5C10BP only
Cabling the power shelf
19-inch embedded shelf NT5C10BF-1 and NT5C10BP
Shelf configuration 19-inch system shelf NT5C10CA-1/2
19-inch embedded shelf NT5C10BA-1/2
19-inch embedded shelf NT5C10BA-3/4
19-inch embedded shelf NT5C10BB-1/2
19-inch embedded shelf NT5C10BA-5/6,NT5C10BB-3/4
23-inch embedded shelf NT5C10BC-1/2
23-inch system shelf NT5C10CB-3/4, NT5C10CE, NT5C10CF, NT5C10CH
23-inch embedded shelf NT5C10BM
23-inch embedded shelf NT5C10BC-3, NT5C10BD-3
23-inch embedded shelf NT5C10BL
23-inch embedded shelf NT5C10BJ, NT5C10BK
23-inch system shelf NT5C10CO
Procedure 2 - Common bussed AC connection - side access
2 Mount conduit connector with lock nut
3 Run and connect wires as illustrated
P0711722
48 Installation and start-up procedures
Figure 16 - Embedded shelf left view - Individual AC - side access
Procedure 3 - Individual AC connection - side access old vintage
Procedure 4 - Individual AC connection-side access
Step
CAUTI
Procedure 5 - Individual AC connection - side access
FR GRD
Step
Step
Figure 18 - System shelf left view - common bussed AC - rear access
Procedure 6 - Common bussed AC connection - rear access
Step
Procedure 7 - DC connection - side access
2 Insert the bushings, run and connect the wires as illustrated
Procedure 8 - DC connection - rear access
Power plant interface - signal cabling
Step
Rectifier and Controller interface connections
Table 9 - Standard system application signal cable connections
NT5C10BA-1/2, NT5C10BF-1 and NT5C10BP hot standby power shelf
SIGNAL
DESIGNATION
NT5C10BJ & NT5C10BK
NT5C10BA-3/4 special operating signal - AC fail NC
Connector J1 & J2
Table 10 - J1, J2 and J3 connector pin assignment
Connector J3
NT5C10BM
Procedure 9 - Rectifier installation
Installing the rectifier
NT5C10KC
NT5C10CO
Operating voltage
Figure 21 - Rectifier AC and DC power internal cabling harness
Cabling the rectifier
Procedure 10 - LVD installation in the shelf
LVD installation in the shelf
Re-install the small LVD faceplate
Figure 22 - Embedded shelf - LVD connections - rear access
Figure 23 - Embedded shelf - LVD connections - side access
Start-up procedure Factory set voltage limits
Step
Rectifier power-up
Procedure 11 - Rectifier power-up
Procedure 12 - HVSD adjustment
HVSD adjustment
Re-adjust if needed return to step
Figure 24 - Embedded shelf quick disconnect for sense sectional view
Equalize voltage adjustment
Float voltage adjustment
Procedure 13 - Float voltage adjustment
Procedure 14 - Equalize voltage adjustment
DANGER
Parallel verification
to reach full stability prior to final adjustment
Procedure 15 - Parallel verification
Low voltage disconnect LVD
Turn all the DC breakers to the ON position
Procedure 16 - Low voltage disconnect adjustment
Adjustment for the 50 A LVD unit Rel. 02, 02A, 3 & 3A
Procedure 17 - LVD 50 A adjustment for unit release 02, 02A, 3 and 3A
Step
LVD/low voltage disconnect / reconnect LVDR adjustment
Low voltage alarm LVA adjustment
Procedure 18 - Low voltage alarm adjustment
Procedure 19 - Low voltage disconnect/reconnect adjustment
Procedure 19 - Low voltage disconnect/reconnect adjustment continued
Rectifier replacement/add-on procedure
Step
Action
Electrical
Low voltage disconnect
Environmental
Storage
Figure 26 - Low voltage control and monitoring signals
Control and monitoring signals
DC cabling
Figure 25 - Low voltage disconnect connections
Operation
Test feature
Signal connections
The battery voltage is monitored by the low voltage disconnect and low voltage alarm circuit LVA. When the voltage drops to approximately -47 V DC, the LVA LED lights up and the alarm is extended to the terminal block
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72 Low voltage disconnect
Maintenance Rectifier
Maintenance
Procedure 20 - Float/equalize and remote equalize
Momentarily hold the FLT/EQL switch to EQL for local equalize
Filter
Power shelf
Fan cooling
DANGER
Low voltage disconnect
Troubleshooting Rectifier fail alarm
Procedure 21 - Fan replacement
Fan replacement procedure DANGER
Fan failure
Load sharing
Verify and ensure that the fan spins freely, without interference
Procedure 21 - Fan replacement continued
Step
cooling application
Low voltage disconnect
Figure 27 - Fan assembly
Symptom
Fault diagnosis
Possible cause
The switch is on the Test/Bypass position
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80 Maintenance
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References
Figure 28 - System application power shelf MPS50S and MPS75S
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
NT5C10 SYSTEM APPLICATION POWER SHELF
NT5C10 EMBEDDED APPLICATION POWER SHELF
Figure 29 - Embedded application power shelf MPS50E and MPS75E
82 References
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 30 - Low voltage disconnect
NT6C13 LOW VOLTAGE DISCONNECT FOR THE NT5C10 POWER SHELF
References
19 Brown
Figure 31 - Power shelf wiring figure index Embedded application
Embedded application 19 Oxford grey
Embedded application 19 Brown
References
Figure 32 - NT5C10BA-5/6 and NT5C10BB-1/2, 3/4 embedded application
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Figure 33 - NT5C10BA-1/2 embedded application
86 References
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 34 - NT5C10BA-3/4 embedded application
References
AC RELAY
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Figure 35 - NT5C10BD embedded application
88 References
Figure 36 - NT5C10BD and NT5C10BP embedded application
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
References
OUTPUT
TO FIRST
90 References
CIRCUIT
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References
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
92 References
References
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
P0711722
94 References
References
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
TO -48VDC OUTPUT
P0736442
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96 References
Figure 43 - Embedded application NT5C10BL
References
Figure 44 - Embedded application NT5C10BM e/w NT5C10KB
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Figure 45 - System application NT5C10CO
98 References
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 46 - Application NT5C06B/C
References
FIG. 41A
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100 References
Alarms
Table 11 - Application configuration table
Appendix A NT5C10BF-1 and NT5C10BP
Purpose
Power and signal lead termination
Alarms
Factory set voltage limits
FTOP application
Rectifier
Table 12 - Application configuration table
main/standby
Alarms
Shelf labeling
General requirements Power shelf size
TB1-5
TB1-6
General
NT5C10CO power shelf Description
Appendix B NT5C10CO shelf
Technical specifications
Procedure 22 - Power-up and verification
Power-up and verification Verification
should be as follows 24-hour delay
Plug the AC power plug into the wall receptacle
Procedure 23 - Adjustment and verification
Adjustment and verification
OPEN
CLOSED
No alarm indication on the system monitoring unit after
Procedure 23 - Adjustment and verification continued
Set the timer switch as shown in the following illustration
The DELAYED START yellow LED at the circuit pack is
NT5C06BB,BB-1,BB-3,BC Rel.10 NT5C06CA,CA-1,CA-3,CA-5,CC Rel.10
Table 13 - Systems equipped with NT5C10CO power shelf fault diagnosis
Troubleshooting
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112 Appendix B NT5C10CO shelf
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Appendix C Recommended replacement parts
A0370200
P0710139
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114 Appendix C Recommended replacement parts
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Country
Appendix D Technical service assistance
Local toll-free prefixes
United States
Toll-free technical assistance numbers
Canada
In Europe
HVSD
Abbreviations and acronyms
LVDR
FAN ALM
167-2071-500 Standard 8.0 May
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118 Abbreviations and acronyms
Page
NT5C06B/C
MPR25 / MPR15 Series, Single Phase
25A Switch Mode Rectifier
Installation and User Manual
