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Operation
Rear-Panel Description
Rear-Panel Description
The charger on/off switch is located in the upper left-hand corner of the
rear panel (see Figure 3-2). A yellow LED in the front-panel battery
function area indicates whether the charger is on or off. The charger
input line module is mounted directly below the charger switch. The
line module contains the I-6A 250V charger input fuse.
The inverter voltage selection switch, two CEE-22V receptacles, and 4A
250V inverter output fuse are grouped together by the INV OUTPUT
bracket. The voltage selection switch sets the inverter output to 115V or
230V.
The internal battery fuse and external battery fuse (both 30A 32 Vdc)
are located above the inverter output receptacles.
The battery selection terminal block occupies the upper right-hand half
of the rear panel. Select the internal battery or an external battery by
changing the position of the shorting bar on the terminal block. The
external battery's positive and negative leads are connected to the
terminals marked plus and minus, respectively.
Charging the Battery
Before the 85901A is used for the first time, the internal battery should
be charged for up to six hours. This will ensure that the battery has its
maximum charge.
1. After the internal battery has been installed, connect the power
2. Check the rear-panel battery terminal block to ensure that the
3. Check to make sure that no other equipment is connected to the
4. Turn on the charger switch. Verify that the yellow LED in the
5. Let the charger continue to operate until the red LED turns off. This
6. Turn off the charger switch. The 85901A is now ready for normal
The charger circuit is designed for use with the internal battery. Do not
CAUTION
use it to charge an external battery.
3-4
cable to the rear-panel charger line receptacle (directly under the
charger switch).
battery selection jumper is connected for INT battery selection.
inverter output receptacles at this time.
front-panel battery function area has turned on.
indicates that the battery has been fully charged.
use.
Chapter 3
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