Important Notes:
•
The panel open circuit voltage MUST be below 27V on 24V battery systems or below 54V
on 48V battery Systems.
•
Use wires suitable for at least 15A, but if wire runs are over 3m then larger wires are
recommended to limit voltage drop and losses.
•
Install the unit in a dry place out of direct sunlight and away from flammable liquids or gases.
•
Battery fuse ( BF ) is always required and must be located as close to the battery as possible,
its sizing depends on the wire size and load ratings. Typically a 15A 24V fuse would do.
•
Before connecting battery always check battery and PV panel polarity.
•
If used with panels over 150W the BMPPT-150 MUST be fitted with the PVF fuse. Locate
this fuse as close as possible to the BMPPT. A 10A 32V fuse is recommended.
Page 2 of 8
Model:
BMPPT-150
150W Solar Charger
Booster Maximum Power Point Tracker
Operating Instructions
Please read these instructions before use
Unit 2, 110 Station Road, Seven Hills ,NSW, 2147, Australia
BMPPT-150 General Information:
• Green LED flashing – battery charging and all normal.
• Red LED flashing – battery voltage low, below 0.9 of nominal voltage.
• This MPPT is designed to charge 24V/48V* battery systems and select a suitable 3 stage charge
regime.
(*NOTE: on 48V batteries only a fixed float charge at 54V is available)
• The absorption phase is entered following a low battery condition and is maintained for
approx. 1.5 hours.
• Custom float and absorption voltages and times are possible but minimum orders apply.
• This BMPPT has a built in multilevel over temperature protection to improve product reliability
while maximising output power availability.
• The BMPPT will efficiently charge 24V batteries from 12V panels.
• The BMPPT will efficiently float charge 48V batteries from 12V panels or 24V panels.
• The panel voltage limits for the BMPPT-150 are: Maximum open circuit voltage below 54V.
• The lowest maximum power point required for operation is 14V
• If used, this fuse is optional, locate the output fuse (OF) as close to the BMPPT as possible
(15A 24VDC rating).
BMPPT-150-R4
