Lock the constants setting
1. Finish setting all the programmable constants to the desired values.
2. Change A-01=Operation Only, factory setting is A-01=Constants Set.
3. Use UP key to go to A-03 to enter the password 1 (max. 4 digits)
4. Go to any display of A-xx and press DOWN key and hold it, then press ESC key at the same time
until A-04 constant occurs.
5. Enter the desired password 2 (max. 4 digits) into A-04. Make sure the password 1 in A-03 must be
different from the password 2 in A-04. Finally, press ENTER key to finish “lock” setting.
Above procedure completes locking the constants setting and no more programming selection will
appear. A-01 will only display Operation and will not display Constants Set.
Unlock the constants setting
1. Enter the password in A-03 exactly the same as the one earlier set in A-04
2. When the password in A-03 matches the one earlier set in A-04, the unlocking is completed. A-
01=Constants Set would appear again for programming.
*** Main Menu***
Programming
Group B
Battery Setup
B-01: Set Battery Voltage
During initialization of AIMS MPPT+, it will detect and ask the installer to confirm the battery
voltage found is correct. In almost all circumstance the AIMS MPPT+ will correctly detect battery
voltage.
Use Constant B-01 to change the battery voltage if the battery voltage displayed by the AIMS
MPPT+ is different from the installed batteries. The selection range of the battery voltage is 12V
(Factory Setting), 24V, 36V and 48V.
B-02: Set Battery Type
Use UP or DOWN keys to allow the installer to change what type of batteries it is connected to
(Flooded, Gel, AGM) AIMS MPPT+. The default “BATTERY TYPE” is GEL
Please be sure to select the type which matches the system’s batteries. This setting controls battery
charging voltages in B-06 and B-08.
B-04: Set Battery Capacity
This setting controls battery charging amperages and other settings. The factory setting for
CAPACITY is 800 amp hours for SCC40MPPT and1600 amp hours for SCC80MPPT.
At full output capacity a SCC80MPPT can deliver 80 amps to a battery, this amount of amperage
(current) is equal to the C/10 (capacity divided by ten) rate of a 1600 amp hour battery and, as
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