Operating The At30 Battery Charger; Starting The At30; Understanding The Startup Sequence; Checking The Installation - HindlePower AT30 SERIES Operating And Service Instructions

OPERATING THE AT30

2. OPERATING THE AT30 BATTERY CHARGER

2.1. STARTING THE AT30

2.1.1. Understanding the startup sequence

The AT30 is set up at the factory to work with most common batteries and
loads without further adjustment. When you start the AT30 for the first
time, the factory settings (float voltage, equalize voltage, etc.) control the
operation of the charger. You can change the settings after you start the
AT30. The FACTORY SETTINGS are listed in table on page 25.
The AT30 startup routine takes about 5 seconds. The microprocessor that
controls the AT30 initializes the charger by reading the settings that are
stored internally. The control circuitry then "soft starts" the AT30 and the
dc output voltage and current increase gradually to the rated value.

2.1.2. Checking the installation

Confirm that you have followed the installation
instructions carefully. Check the ac input
supply voltage and the battery voltage, and
make sure that they match the information on
the AT30 data nameplate. Verify that the
jumpers on the main transformer (T1) are
correct for your ac supply voltage. Open the
front panel door and carefully check the battery
polarity at the dc output terminals TB1(+/-).
2.1.3. Starting the AT30
When you are sure that all connections to the
AT30 are properly made, follow these steps to
start up the AT30:
• Turn on (close) the dc output circuit breaker (CB2) first.
• The digital dc meter indicates battery voltage only. If the meter display
does not light, do not proceed. Turn off (open) the dc breaker (CB2).
• Check all connections and the battery polarity again. Also check the
battery voltage. It must be above 50% of nominal voltage to turn on the
display. If you cannot find the problem, refer to the Troubleshooting
Procedure in Section 3.1 on page 44.
If you attempt to turn on the dc circuit breaker (CB2) with the battery
connected in reverse polarity, the breaker will immediately trip. Do not
try to close the dc breaker again, since this may damage the AT30. If
your AT30 is equipped with dc fuses, one or both fuses will blow when
the battery is reversed. Correct the battery polarity before proceeding.
24
NOTICE

Using the Digital Meter

When you first start the
AT30, the meter display
alternates between dc output
voltage and dc output current.
Each reading is held for 2
seconds. Indicator lights to
the left of the display indicate
whether the meter
displaying voltage or current.
If you want to "freeze" the
meter to display only voltage,
press the METER MODE
key on the front panel.
freeze the meter to display
only current, press the key
again. Press the key twice
more to revert to
alternating display.
is
To
the