300 Watt Pure Sine Wave Inverter Installation and Operation Manual
STEP 1 - Mounting
Locate the SureSine on a surface that is protected from direct sun, high temperatures, corrosive fumes, and water. SureSine may be mounted horizontally on a flat surface (like a table) or vertically (on a wall). Do not install in a confined area where battery gasses can accumulate. Place the SureSine on the surface where it will be mounted and determine where the wires will enter/exit. Be sure there is sufficient bending room for the wires and other auxiliary connections. Verify that the mounting screws will not penetrate wires or other objects located on the opposite side of the surface. With a pencil or pen, mark the mounting hole locations
With a drill and 1/8” (3 mm) bit, drill pilot holes for each of the four mounting screw locations marked on the mounting surface. Place the SureSine onto the surface and align the mounting feet holes with the four pilot holes. Use the included #10 screws to secure the SureSine to the surface.
STEP 2 - Setup
DIP Switch 1 - Power Mode
Select the desired power mode. In the Always ON mode, the inverter provides continuous AC output. Standby mode is an energy saving mode. When an AC load greater than 8W is detected, the AC Output is automatically turned on. When the total load falls below 8 Watts , the AC Output is automatically turned off to conserve energy. Loads are detected in one (1) second or less.
Down Position: Always ON (factory default)
Up Position: Standby Mode
DIP Switch 2 – Low Voltage Disconnect
Select the Low Voltage Disconnect (LVD) and Reconnect (LVR) setpoints.
Down Position: LVD = 11.5V, LVR = 12.6V (factory default)
Up Position: LVD = 10.5V, LVR = 11.6V
DIP Switch 3 – LVD Warning Beeper
Enable or disable the LVD audible Warning Beeper.
Down Position: Beeper Warning ON
Up Position: Beeper Warning OFF
DIP Switch 4 – Communications Select
Specify the desired RJ-11 communication protocol. Select Meterbus for Morningstar remote meters and other Morningstar products. Select Modbus protocol for PC communications. An adapter is required (not included)
Down Position: Morningstar Meterbus (factory default)
Up Position: Modbus Protocol
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