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6
Operation
Resetting Your Inverter to Restore AC Power
Your Inverter may cease supplying AC power in order to protect itself from overload or to protect your electrical system. To
restore normal functioning:
Low Battery Shutdown Reset: Set switch to “OFF” and run vehicle engine to recharge battery. When battery is
adequately charged, set switch back to “ON” or “REMOTE.”
Overload Shutdown Reset: Set switch to “OFF” and remove some of the connected electrical load (ie: turn off some of
the AC devices drawing power which may have caused the overload of the unit). Wait one minute, then set switch back to
“ON” or “REMOTE.”
Output Circuit Breaker Reset: Alternatively, check output circuit breaker on the unit’s front panel. If tripped, remove
some of the electrical load, then wait one minute to allow components to cool before resetting the circuit breaker. See
Troubleshooting for other possible reasons AC output may be absent.
Additional Connections—Optional
Set Battery Charge Conserver (Load Sense) Dial—OPTIONAL
In order to save battery power, the Inverter automatically shuts off in the absence of any power demand
from connected equipment or appliances (the electrical load). When the unit detects a load, it automatically
turns on. Users may choose the minimum load the Inverter will detect by adjusting the Battery Charge
Conserver Dial (see diagram). Using a small tool, turn the dial clockwise to lower the minimum load that will
be detected, causing the inverter to turn on for smaller loads. When the dial is turned fully clockwise, the
inverter will operate even when there is no load. Turn the dial counterclockwise to increase the minimum
load that will be detected, causing the inverter to stay off until the new minimum load is reached.
Note: the factory setting for the dial is fully clockwise. However, based on the threshold load to which you’d like the inverter to
respond, you should adjust the dial counterclock-wise to reduce its sensitivity until the inverter is active only when connected
equipment or appliances are actually in use.
Connect Remote Control—OPTIONAL
All models feature an 8-conductor telephone style receptacle on the front panel for use with an optional remote control
module (Tripp Lite model APSRM4, sold separately). The remote module allows the Inverter to be mounted in a
compartment or cabinet out of sight, while operated conveniently from a vehicle’s dashboard. See instructions packed with
the remote control module.
Connect Ignition Switch Control Jack—OPTIONAL
This jack (located on the Inverter’s side panel) can be used to connect the Inverter to your vehicle’s ignition switch in order
to automatically control the Inverter. This connection is optional; the Inverter will function without this connection.
WARNING! THE IGNITION SWITCH CONTROL FUNCTION IS ONLY FOR USE WITH 12V NEGATIVE
GROUND SYSTEMS. Wiring the Ignition Switch Control Cable to your vehicle’s ignition requires a
qualified technician, who must determine the proper wiring procedure.
When connected to the vehicle’s ignition switch, this function automatically disables (turns OFF) the AC power output
from the Inverter when the vehicle’s ignition switch is placed in the “Engine Run” position. This function will satisfy local
codes and requirements concerning video monitors (or TVs) that are located within a driver’s view by automatically turning
them off when the engine is started. Tripp Lite makes a current-limited cable assembly (part # 73-0977) for this purpose.
Connect the current-limited cable’s red wire to the ignition switch’s “Engine Run” terminal. The cable’s black wire can be
left unterminated. Then, connect the current-limited cable’s mini-plug to the Ignition Switch Control Jack located on the
Inverter’s side panel. After connecting the interface cable, set the Inverter’s switch to “ON”. The current-limited cable’s
mini-plug should remain in the Inverter’s Ignition Switch Control Jack whenever the ignition is on to avoid shorting the
battery.
Connect Inverter ON/OFF Indicator Jack—OPTIONAL
This jack can be used to connect the Inverter to a user-supplied on/off
indicator. This connection is optional; the Inverter will function without this
connection. Refer to the diagram for the jack’s pin functions.
2
3
4
ON/OFF
Indicator Jack
Pin Diagram
Pins 2 & 3 = OFF
Pins 2 & 4 = ON
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