BLUE SKY SUB 12 Troubleshooting Guide download pdf (Page 4)

Blue Sky Energy - Solar Boost 2512i-HV and 2512iX-HV

PRODUCT DESCRIPTION

Solar Boost™ 2512i-HV and 2512iX-HV are improved versions of the original SB2512i and SB2512iX 12 volt 25 amp Maximum Power Point Tracking

(MPPT) photovoltaic (PV) battery charge controllers. The new HV versions retain their original 25 amp 340 watt rating when used with conventional 12 volt

36 cell PV modules, but are also able to operate up to 270 watts of higher voltage 60 cell “grid tie” type modules. The full featured SB2512iX-HV includes all

the features described in this manual. The SB2512i-HV omits certain features to reduce cost.

The 2512’s patented MPPT technology can increase charge current up to 30% or more compared to conventional controllers. MPPT also allows the

use of higher voltage 60 cell modules by converting higher PV voltage down to charge a 12 volt battery. The 2512’s sophisticated 3-stage charge control

system improves battery performance and life while minimizing battery maintenance. The unit is fully protected against voltage transients, over temperature,

over current and reverse polarity. The IPN Network display connector provided in both versions allow use of optional remote displays or a UCM.

Additional features included in the SB2512iX-HV version of the product include a battery temperature sensor input, equalization capability, full IPN

Network interface, and an auxiliary output. The versatile auxiliary output can operate as either a 2 amp battery charger for a second battery, or serve as a 25

amp load controller or 25 amp variable Dusk-to-Dawn lighting controller. The full IPN Network interface included in the SB2512iX-HV allows multiple charge

controllers to communicate with each other and coordinate their activity to charge the battery as a single coordinated charging machine.

FEATURES OMITTED IN THE SOLAR BOOST 2512i-HV

The following features described in this manual are omitted in the lower cost Solar Boost 2512i-HV version of the product.

• Battery Temperature sensor input • Battery equalization capability

• Full IPN Network interface (multi-controller coordination) • Auxiliary Output (25A load & lighting control, or 2A auxiliary battery charge)

PART NUMBERS AND OPTIONS

• SB2512i-HV ....... Basic Solar Boost 2512i-HV charge controller • SB2512iX-HV ..... Full featured Solar Boost 2512iX-HV charge controller

• IPNPRO-S .......... IPN-ProRemote display & battery monitor w/shunt • IPNPRO .............. IPN-ProRemote w/o required 500A/50mV shunt

• CS-500 ............... 500A/50mV current shunt • IPNREM ............. IPN-Remote display

• 930-0022-20 ....... Battery temperature sensor • UCM ................... Universal Communication Module

OPERATION

Charge control and MPPT operations are fully automatic. At night when PV power production stops, the PV array is disconnected from the battery to

prevent unwanted current drain. There is a 5 second turn-on delay, and a 45 second turn-off delay.

¾ WARNING: The 2512 operates on battery power, not PV power. A battery must be connected with a minimum voltage of 9V

for the unit to operate. Battery voltage on the battery terminals of the 2512 must be the same as actual battery voltage within a

few 10ths of a volt for proper operation. DO NOT disconnect the battery with PV power applied as appliances still attached to

the output of the 2512 may be damaged by voltage spikes resulting from sudden removal of the battery, particularly when used

with higher voltage 60 cell PV modules. ALWAYS remove PV power first before disconnecting the battery.

CHARGE STATUS INDICATOR

A charge status indicator is provided on the face of the 2512, and on the optional remote displays. If net battery charge current is greater than ≈3 to 5 amps

per 100 amp-hours of battery capacity the charge status indicator can provide a rough indication of battery state of charge.

CHARGE STATUS INDICATOR

CHARGE STATUS INDICATOR CHARGE MODE APPROXIMATE CHARGE LEVEL

OFF CHARGE OFF

CONTINUOUSLY ON BULK <70% FULL

BLINKING • 1 SEC ON / 1 SEC OFF

ABSORPTION 70% - 95% FULL

BLINKING • 0.2 SEC ON / 1 SEC OFF

FLOAT FULLY CHARGED

RAPID BLINKING • 0.2 SEC ON / 0.2 SEC OFF

EQUALIZE

TABLE 1

AUXILIARY OUTPUT INDICATOR (Omitted on SB2512i-HV)

An Auxiliary Output indicator labeled “LOAD” is provided on the face of the SB2512iX-HV, and is omitted on the SB2512i-HV. The indicator will be ON when

the auxiliary output is ON providing power to a load, or charging an auxiliary battery. Default operation of the auxiliary output is Auxiliary Battery Charge and the

indicator may turn ON even though an auxiliary battery may not be connected. Auxiliary Output status can also be viewed on the IPN-ProRemote.

OPTIONAL REMOTE DISPLAYS OR INTERNET COMMUNICATION

There are two available remote displays, the low cost IPN-Remote and the full featured IPN-ProRemote. The IPN-Remote is a basic 3-digit LED type

voltage, current and charge mode display without setup or control capability. The full featured IPN-ProRemote provides setup capability and enhanced

monitoring of charge controllers on the IPN network. It also provides a complete battery system monitor with various amp-hour counters and a highly accurate

“fuel gage” type battery level indicator. A Universal Communication Module (UCM) may also be used for communication with other devices or to access the

charge control system remotely over the Internet.

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