Alpha AlphaGuard is an advanced battery charge management system designed to optimize the performance and lifespan of valve-regulated lead-acid (VRLA) batteries commonly used in telecommunication and power backup applications. With its sophisticated monitoring and control capabilities, AlphaGuard ensures reliable battery operation and early detection of potential issues, helping you maintain a stable and efficient power supply.
Alpha AlphaGuard is an advanced battery charge management system designed to optimize the performance and lifespan of valve-regulated lead-acid (VRLA) batteries commonly used in telecommunication and power backup applications. With its sophisticated monitoring and control capabilities, AlphaGuard ensures reliable battery operation and early detection of potential issues, helping you maintain a stable and efficient power supply.
1
ALPHAGuard
™
Battery Charge Management System
Installation Instructions
Battery Monitoring Cables
36V Harness, 2.5': Alpha p/n 875-090-30
48V Harness, 2.5': Alpha p/n 875-090-31
36V Harness, 6': Alpha p/n 875-090-32
48V Harness, 6': Alpha p/n 875-090-33
Voltage Sense Cables
Single String, 9', 36/48V: Alpha p/n 875-510-20
Dual String, 9', 36/48V: Alpha p/n 875-510-21
Single String, 35', 36/48V: Alpha p/n 875-510-23
Dual String, 35', 36/48V: Alpha p/n 875-510-22
Model Description
AG-CMT-3SC AlphaGuard manages 3 batteries*
AG-CMT-4SC AlphaGuard manages 4 batteries*
* Includes 6' battery monitoring cables.
• Battery strings contain lethal voltages. Refer to battery manufacturer's installation manual before
installing or making any connections to the batteries.
• Refer to the power supply manufacturer's installation instructions before making any connections to
the power supply.
WARNING! ELECTRICAL HAZARD
• The ALPHAGuard requires ventilation for proper operation and optimum life. Place the ALPHAGuard on top of the
batteries, and position it so it will not fall between the batteries.
• Standby power is not available while the batteries are disconnected.
CAUTION!
The ALPHAGuard supplies electrical compensation for differences in individual batteries in the string. One ALPHAGuard is
required per battery string. A wire harness connects the ALPHAGuard to each of the batteries in the string. The unit can be
conguredtopassmeasurementsfromthebatterystringtoastatusmonitoringdevice(EDSMcard,DOCSIStransponder,etc.)
via an interface cable.
Voltage Sense Connection
StatusIndicatorLED
Battery Cable Connection
2. Connect all battery monitoring harness leads to the appropriate battery terminals per the stack up diagram
below. Connect the battery cable and the voltage sense cable to the ALPHAGuard. Refer to the wiring diagrams
on page 2 for wiring details.
1. SettheBATTERYBREAKERtotheOFFposition,andunplugthebatterystringfromthepowersupply.
3. Place the ALPHAGuard on top of the batteries so it will not fall between the batteries.
ALPHAGuard Placement
member of The Group
TM
Alpha Technologies Inc.
3767 Alpha Way
Bellingham WA 98226
USA
Tel: +1 360 647 2360
Fax:+13606714936
Alpha Technologies Ltd.
7700 Riverfront Gate
Burnaby BC V5J 5M4
Canada
Tel: +1 604 436 5900
Fax:+16044361233
AlphaTechnologiesEuropeLtd.
Twyford House, Thorley
Bishop’s Stortford,
Hertfordshire
CM22 7PA
UnitedKingdom
Tel: +44 1279 501110
Fax:+441279659870
Alpha Technologies GmbH
Hansastrasse 8
D 91126 Schwabach
Germany
Tel: +49 9122 79889 0
Fax:+4991227988921
Al phaTec Ltd.
339 Saint Andrews Street
Suite 101 Andrea Chambers
3307 Limassol
Cyprus
Tel: +357 25 375675
Fax:+35725359595
AlphaTEKooo
KhokhlovskiyPereulok16
Stroenie1Ofce403
109028 Moscow
Russia
Tel: +7 495 916 1854
Fax:+74959161349
Alpha Technologies
Suite 1903, Tower 1
33CantonRoad,Kowloon
HongKong,China
Tel: +852 2736 8663
Fax:+85221997988
Alpha Technologies
Alphareservestherighttochangespecicationswithoutnotice.
© 2014 Alpha Technologies Inc. All Rights Reserved. Alpha is a registered trademark of Alpha Technologies.
012-306-C0-004Rev.E(06/2014)
Formoreinformationvisitwww.alpha.com
Battery Monitoring Cable
To Power
Supply/Battery
Split Washer
FlatWasher
ALPHAGuard Installation
Anyliquidemissionsfromavalve-regulatedlead-acid(VRLA)batterycontainsdilutesulfuricacid,which
isharmfultotheskinandeyes.Emissionsareelectrolyticandareelectricallyconductiveandcorrosive.
WARNING! CHEMICAL HAZARD
2
3B 2B 1B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
3A 2A 1A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Yellow
Brown
Black
Orange
Yellow
4A 3A 2A
Brown
Black
Orange
Red
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Red
Yellow
Brown
Black
Orange
Red
4A 3A 2A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
4B 3B 2B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1B
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
1A
3A 2A
Black (-) 0V
Red (+)
Red (+)
Red (+)
Red (+)
NEG(-) NEG(-) NEG(-)
POS(+)
POS(+)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
String A
String B
String A
String B
Orange
3B 2B 1B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
3A 2A 1A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Yellow
Brown
Black
Orange
Yellow
4A 3A 2A
Brown
Black
Orange
Red
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Red
Yellow
Brown
Black
Orange
Red
4A 3A 2A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
4B 3B 2B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1B
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
1A
3A 2A
Black (-) 0V
Red (+)
Red (+)
Red (+)
Red (+)
NEG(-) NEG(-) NEG(-)
POS(+)
POS(+)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
String A
String B
String A
String B
Orange
To Battery Cable
Connection
3B 2B 1B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
3A 2A 1A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Yellow
Brown
Black
Orange
Yellow
4A 3A 2A
Brown
Black
Orange
Red
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Red
Yellow
Brown
Black
Orange
Red
4A 3A 2A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
4B 3B 2B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1B
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
1A
3A 2A
Black (-) 0V
Red (+)
Red (+)
Red (+)
Red (+)
NEG(-) NEG(-) NEG(-)
POS(+)
POS(+)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
String A
String B
String A
String B
Orange
3B 2B 1B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
3A 2A 1A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Yellow
Brown
Black
Orange
Yellow
4A 3A 2A
Brown
Black
Orange
Red
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
Orange
Red
Yellow
Brown
Black
Orange
Red
4A 3A 2A
Black (-) 0V
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1A
NEG(-)
POS(+)
4B 3B 2B
POS(+)
NEG(-) NEG(-) NEG(-)
POS(+) POS(+)
1B
NEG(-)
POS(+)
R E D (+)
B L A C K (-)
1A
3A 2A
Black (-) 0V
Red (+)
Red (+)
Red (+)
Red (+)
NEG(-) NEG(-) NEG(-)
POS(+)
POS(+)
POS(+)
R E D (+)
B L A C K (-)
Yellow
Brown
Black
String A
String B
String A
String B
Orange
To Transponder
A/B Connection
To Voltage Sense
Connection
To Transponder
A/B Connection
To Voltage Sense
Connection
To Battery Cable
Connection
To Battery Cable
Connection
Dual String Battery Wiring Diagrams
36V Wiring
36V Wiring
48V Wiring
48V Wiring
Single String Battery Wiring Diagrams
4. Plug the battery string cable into the power supply battery input
connection and the voltage sense cable into the transponder
A/B connection. Turn battery breaker to the ON position.
5. After the power supply resumes charging the batteries, verify
thegreenstatusindicatorLEDilluminates(>38.6for36VDC
strings;>51.4VDCfor48VDCstrings).Ifitdoesnotilluminate,
verify wiring is correct and battery voltages.
When using the Voltage Sense connectionwiththeXMPowerSupplyandexternalAlphaDOCSISTransponder,
clip the black wire from the cable kit at both ends. See the illustration below.
NOTE:
Black Wire Label for XM
Series Applications
Black Wire Label for XM
Series Applications
012-306-C0-004Rev.E(06/2014)
6. Verify the individual battery voltages are displayed on the
transponder web page and/or monitoring system.
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Alpha AlphaGuard is an advanced battery charge management system designed to optimize the performance and lifespan of valve-regulated lead-acid (VRLA) batteries commonly used in telecommunication and power backup applications. With its sophisticated monitoring and control capabilities, AlphaGuard ensures reliable battery operation and early detection of potential issues, helping you maintain a stable and efficient power supply.
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