background image

page 4 of 5

Step 4: PV, Battery, and Small (2A) Load Connected to Controller

Note 1: A standard automotive brake lamp (type 1156) works well for this test.
 
A) with the lamp turned On, measure the Load Voltage.  It should
be within 20-30 mV of the battery voltage.  If the Load voltage is 
more than 0.25V lower than the Battery voltage, the LVD FET’s 
are damaged.

Battery

Load

+

-

+

-

+

-

Battery

2A Load

PV

Array

Step 5: SunSaver Installed in the Power System.

A) Check the correct operation of the SunSaver based on the above tests.
B) Check the condition of any fuses that might be in the power path.
C) Verify the system wiring is correct and intact.
D) Check all connections and terminals for good electrical contact.

Reviews: