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Specifications are subject to change without notice.   No liability accepted for errors or omissions. 

11 

#7  Standard AC/DC power supplies with alarms and 
external diodes

 

#8 Standard AC/DC power supplies with internally fit-
ted diodes (applies only to SR100P and SR250P mod-
els with outputs >12VDC)

 

=

=

SRxxxD

SRxxxD

+

+

-

-

INPUT

INPUT

LOAD

ALARMS

ALARMS

-

+

SRxxxP

ALARMS

ALARMS

+

-

SRxxxP

=

=

INPUT

INPUT

LOAD

 

 

Power OK  

YES 

Battery missing 

YES

 

Battery low 

YES

 

Battery condition test fail 

*

2

 

YES 

Alarms available 

 

#6  N+1  for 

No-Break™DC 

charger and N+1 for battery 

bank (use this connection for high peak loads)

 

All 

No-Break 

alarms are available and the low voltage disconnect for the 

peak load is optionally implemented with an external  relay. 
 

#5 N+1  for 

No-Break™DC 

charger and single battery 

bank

 

This connection provides for redundancy of the charger and retains most 
of the No-Break functions.

 

Power OK 

YES 

Battery missing 

NO

 

Battery low 

YES

 

Battery condition test fail

*

1

 

YES 

Alarms available 

 

SRxxxC

ALARMS

ALARMS

B+,L+

B+,L+

B-

B-

BAT

L-

INPUT

INPUT

=

ECB

L-

LOAD

ECB

=

SRxxxC

SRxxxC

ALARMS

ALARMS

B+,L+

B+,L+

B-

B-

PEAK
LOAD

BAT

L-

INPUT

INPUT

=

BAT

ECB

L-

NORMAL
LOADS

ECB

=

*1

*1

*1 OPTIONAL LVD

SRxxxC

No-Break DC connections (continued) 

Standard N+1 redundant  DC connections 

*

interlock circuit required for 

automated BCT 

*

interlock circuit required for 

automated BCT 

Summary of Contents for SR750i

Page 1: ...w innovative co nz Phone 64 9 835 0700 Fax 64 9 837 3446 NZ Freephone 0800 654 668 AU Freephone 1800 148 494 Email info innovative co nz No BreakTM DC UPS with SNMP communications port 750W SR750i LAN...

Page 2: ...ent Batteries and cooling fans also suffer shortened lifetimes if subjected to high ambient temperatures both should be included in a routine maintenance schedule to check for signs of reduced effi ci...

Page 3: ...U MAX CURRENT ELECTRONIC CIRCUIT BREAKER POWER CONVERSION BATTERY MANAGEMENT ALARM CIRCUIT BATTERY CURRENT SENSE OUTPUT VOLTAGE CURRENT LIMIT BATTERY CHARGE CURRENT CONTROL I CHARGE BATTERY TEMP SENSO...

Page 4: ...es of system ensure that they match the equipment All loads should be isolated 2 Check polarity of all wiring Place temperature sensor probe near or on batteries 3 Plug in input power POWER OK LED wil...

Page 5: ...battery detection interval time For full list of LED flash codes please refer to page 7 BATTERY SYSTEM OK LED on Battery present and above V batl POWER OK LED on Input power present STANDBY LED on Ch...

Page 6: ...Bccl Maximum charge current as of rated PSU rated current 2 Comms communications mode of PSU F continuous data stream of status M responds only to request made by a controller M BatDetect Battery dete...

Page 7: ...ttery missing ECB has tripped Normal Alarm Input power off battery system is OK battery volts Vbatl Alarm Alarm Input power off and battery has discharged to V batl Alarm Alarm Input power off ELVD ha...

Page 8: ...Over voltage protection on output at 130 of nominal output voltage Settings to be specified at time of order Control of BCT is implemented using the SNMP software BCT relay provided to control an exte...

Page 9: ...ector for X version Mating screw terminal plug for alarm outputs Crimp lugs for S version OPTIONS 19 Rack Mount Wall Mount Enclosure Parallel redundancy Internal Digital V I Meter MODEL IDENTIFICATION...

Page 10: ...y for very critical applications with redundancy of the battery in addition to the power supply The diodes isolate the units from one another in the event of a short circuit appearing at the other out...

Page 11: ...or high peak loads All No Break alarms are available and the low voltage disconnect for the peak load is optionally implemented with an external relay 5 N 1 for No Break DC charger and single battery...

Page 12: ...es Ltd warrants its power supplies for 24 months two years from date of shipment against material and workmanship defects Innovative Energies liability under this warranty is lim ited to the replaceme...

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