Flexcharge NC25A-12 Manual Download Page 1

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MANUAL

12V Controller Shown Below

Patented

Rev 04, Ver1

AUG 2018

MODEL: NC25A-12(24, 36, 48)

Ultra High Efficiency

25 Ampere Alternative Energy Battery

Charge Controller

For GEL, AGM, and Flooded Cell Lead Acid Batteries

Not for Lithium Batteries

SES Flexcharge USA, 1217 State St., Charlevoix, MI 49720

Ph: 231-547-9430,

Web Site: www.flexcharge.com

Summary of Contents for NC25A-12

Page 1: ...8 MODEL NC25A 12 24 36 48 Ultra High Efficiency 25 Ampere Alternative Energy Battery Charge Controller For GEL AGM and Flooded Cell Lead Acid Batteries Not for Lithium Batteries SES Flexcharge USA 121...

Page 2: ...Of Contents 3 Features 4 Controls and Indicators 5 Installation Instructions 7 Indicator Functional Description 8 Flexcharge Energy State Charge Method ESCM 9 Operating Characteristics Wire Selection...

Page 3: ...NS PUMPS etc PEAK CHARGE VOLTAGE ADJUSTMENT WITH A RANGE OF 13 8V TO 15 9V Multiply by 2 3 or 4 to determine voltages for 24V 36V or 48V versions CHARGES WITH THE SAME HIGH ACCURACY VOLTAGE SENSING TH...

Page 4: ...er Technical Questions Warranty info etc 231 547 9430 System Voltage 12 12V 24 24V 36 36V etc Charging Input Connect the Positive Wire from the Charging Source here Controller Output to Battery Connec...

Page 5: ...r red wire IMPROTANT When installing the terminals on to the sense wires for connection to the battery crimp then solder the terminals to the wire Make absolutely sure these wires make very good elect...

Page 6: ...cessary to use the Charge Indicator Light If you wish to use it connect the CHARGE INDICATOR TERMINAL on the controller s terminal block to one of the charging source s diodes at the source end For ex...

Page 7: ...ge setting is ideal for sealed gel batteries that recommend a 14 10V constant voltage setting see the charge process graph The factory setting will also work with vented lead acid and AGM batteries ho...

Page 8: ...require less watering maintenance and hold a better charge As charging begins the controller allows full charging current to pass directly to the battery When the battery voltage rises slightly above...

Page 9: ...oltage inputs This will reduce the amperage input of the panels to the batteries HOOKUP WIRE SIZE CHART This chart provides the minimum wire size to minimize power loss Larger wires would are always b...

Page 10: ...panels On multiple panel arrays blocking diodes should be used especially on unattended remote systems to guard against a failed panel Because they are glass covered a stray falling branch hailstones...

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Page 21: ...r a good connection These wires are the only way the controller can determine battery voltage and control charging A poor connection here could cause SERIOUS DAMAGE to your battery bank and other elec...

Page 22: ...7 00 8 00 9 00 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Consumed Power Watts Efficiency Charge Current Amperes NC25A Charging Efficiency Power Consumption NC25A Charging Efficiency Charging Po...

Page 23: ...cycle type For portable systems the gel cell and AGM lead acid types are good Wet Ni Cad batteries are also good but expensive and need special considerations in the system design When considering yo...