Blue Sky Energy - Solar Boost 50
1
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS
............................................................................................ 2
PRODUCT DESCRIPTION
................................................................................................................. 6
Part Numbers and Options ................................................................................................... 6
OPERATION
....................................................................................................................................... 6
Optional Digital Display......................................................................................................... 7
Charge Status Indicator ........................................................................................................ 8
Three Stage Charge Control................................................................................................. 8
Bulk Charge....................................................................................................... 9
Acceptance Charge........................................................................................... 9
Float Charge...................................................................................................... 10
Two Stage Charge Control.................................................................................................... 10
Equalization .......................................................................................................................... 10
Disabling Equalization....................................................................................... 11
Optional Temperature Compensation................................................................................... 11
Temperature and Output Power............................................................................................ 12
Maximum Power Point Tracking (MPPT) .............................................................................. 12
How MPPT Works ............................................................................................. 12
Typical Current Boost Performance .................................................................. 12
INSTALLATION
.................................................................................................................................. 13
Over Voltage / Reverse Polarity Protection........................................................................... 13
Electrostatic Handling Precautions ....................................................................................... 14
Maximum PV Short Circuit Current and NEC........................................................................ 14
Grid Tied Systems ................................................................................................................ 15
Solar Boost 50 Setup ............................................................................................................ 15
Default Factory Setup........................................................................................ 15
System Voltage ................................................................................................. 15
Charge Mode..................................................................................................... 15
Temperature Compensation.............................................................................. 16
Float Transition Current Measurement Shunt ................................................... 16
Float Transition Current Setpoint ...................................................................... 17
Maximum Power Voltage................................................................................... 18
Optimizing MPPT............................................................................................... 19
Acceptance Charge Voltage.............................................................................. 19
Float Charge Voltage ........................................................................................ 20
Mounting ............................................................................................................................... 20
Metallic Conduit .................................................................................................................... 21
Battery and PV Wiring ..........................................................................................................22
Optional External Current Shunt ........................................................................................... 23
Optional Digital Display......................................................................................................... 23
Input Power Sources Other Than PV Modules ..................................................................... 24
TROUBLESHOOTING GUIDE
............................................................................................................ 24
SPECIFICATIONS
.............................................................................................................................. 26
THREE YEAR LIMITED WARRANTY
................................................................................................ 26
TABLES AND FIGURES
Table 1
Charge Status Indicator..................................................................................... 8
Table 2
Typical Current Boost Performance .................................................................. 13
Table 3
Maximum Conductor Length for 3% Voltage Drop at 40A................................. 22
Figure 1
Front Panel and Remote Display Indicators...................................................... 7
Figure 2
Lead-acid Charge Voltage -vs.- Battery Temperature....................................... 11
Figure 3
Setup and Wiring Diagram ................................................................................ 14
Figure 4
Detailed Dimensional Drawing .......................................................................... 21
Figure 5
Remote Display Cable Schematic..................................................................... 23