Morningstar SUNSAVER DUO, Installation And Operation Manual

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14
Step 5: Insert Fuses
Insert a 30 A dc-rated fuse into the fuse holder in each of the battery
positive wires. If the solar module(s) is in full sun, charging should begin.
OPERATION
LED Indications
The Status LED indicates system operational state and any existing
error conditions. Table 1 below defines the Status LED indications.
Status LED Operating State
Off: 5 second
heartbeat
1
Night
Green: on solid
(5 second
heartbeat
2
)
Bulk Charging
Green:
Flashing 3 Absorption, Float, or Equalize
Red:
Flashing Error
Red: On solid
(5 second
heartbeat
2
)
Critical Error
Table 1. Status LED definitions
1 heartbeat indication flickers the Status LED on briefly every 5 seconds
2
heartbeat indication flickers the Status LED off briefly every 5 seconds
3
Battery 1 and Battery 2 must both be in regulation
Red (flashing) Errors
• reverse polarity battery connection.
• reverse polarity solar connection.
• solar over-current condition.
• high temperature.
• damaged or disconnected Remote Temperature Sensor.
• high voltage disconnect.
Red (on solid) Critical Errors
• damaged local temperature sensor.
• damaged heatsink temperature sensor.
For more information on errors, see
Protections
section.