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3.0 OPERATION

Front Panel Controls and Indicators (continued)

Over Discharge Protection/AC Transfer Voltage, (continued)

AC Transfer Voltage

During normal operation, the inverter supplies AC power to the applied loads through the

pass-through circuit and simultaneously charges the system batteries. Whenever the

external AC source drops below the AC Transfer Voltage (set by the potentiometer), the

inverter switches to battery power in order to maintain the connected load.

Examples (120 VAC inverter system):

 The AC Transfer Voltage potentiometer is set to 9:00 oclock with ODP disabled. Whenever

the incoming AC voltage drops to 40 volts or below, the inverter will switch to battery power.

 The AC Transfer Voltage potentiometer is set to 2:00 oclock with ODP enabled. Whenever

the incoming AC voltage drops to 105 volts or below, the inverter will switch to battery power.

NOTE: ODP does not affect the operation of the AC Transfer Voltage. ODP is either ON or OFF,

depending upon the position of the potentiometer.

NOTE: There are 6 settings available for the AC Transfer Voltage for both ODP OFF and ON as

shown in the Table 9 below.

NOTE: To achieve the fastest transfer time (typically less than 16 ms), set the AC Transfer Voltage

potentiometer near the 2:00 oclock position (with the ODP enabled); or, near the 1:00 oclock

position (with the ODP disabled). If a high number of nuisance transfers caused by transients on

the AC line occur, adjust the potentiometer from the maximum position toward the minimum position

(i.e., 2 oclock toward 5 oclock with ODP enabled; or 1 oclock toward 9 oclock with ODP disabled).

Table 9

ODP/AC Transfer Voltage

ODP Adjustment AC Transfer Voltage

ODP ODP 100 - 105 VAC 120 VAC 220 - 230 VAC

Disabled Enabled (-J / -K) Models Models (-W / -E) Models

9:00 5:00 36 VAC 45 VAC 90 VAC

77 VAC 85 VAC 170 VAC

81 VAC 90 VAC 180 VAC

86 VAC 95 VAC 190 VAC

90 VAC 100 VAC 200 VAC

1:00 2:00 95 VAC 105 VAC 210 VAC

Approximate

Xantrex Trace DR Series User Manual

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