Current – Xantrex Technology PH1800 User Manual
Page 24
Introduction
1–6
975-0288-01-01
Standby Mode
In the Standby Mode, the Charger is OFF but monitors the battery
voltage. If battery voltage drops below
12.5
Vdc, the unit will start a new
Bulk stage.
The PowerHub 1800 will reset to the default setting of 40 A whenever
one of the following occurs.
1. The unit is turned OFF by the ON/OFF Button.
2. All DC input sources (solar panels or wind generators) are removed
and utility AC is not available.
Figure 1-3 Three-Stage Charging Process
Voltage
Bulk
Stage
Absorption
Stage
Float Stage
Standby
(Stop Mode)
Current
Maximum
Charge
Amps
Setting
14.2 Vdc
13.7 Vdc
40 A or
10 A
4 A
12.5 Vdc
Time
4 A
12.5 Vdc
Time
6 A
If the current rises to 6A
during the Float period, the
Charger will start the whole
cycle back at the Bulk Stage.
4 hours
(Maximum)
If the voltage drops to 12.5 Vdc
while in Standby, the Charger
will start a new Bulk Stage.
8 hours
4 hours
(Maximum)
8 hours
Current
40 A or
10 A
Maximum
Charge
Amps
Setting