SC Series User Manual

19
EN
4. System Function Introduction
The SC series is a battery charger, a pure sine wave inverter and an AC transfer system in one compact
enclosure. 1. The three-step charging function guarantees that the batteries are always charged 100%
(User-selectable). 2. The pure sine wave inverter assures that the AC output voltage is perfectly reliable even
when limited external AC power is available. 3. External AC power can be supplied by a public grid or a
generator. 4. DC power can be delivered by charged batteries.
4-1. Battery charger introduction
The SC series can connect many types of battery (default setting is Gel), and user can adjust the
parameters by dip switch to meet battery charging characteristics.
The following table shows some battery type charging setting.
CAUTION
Safety instruction: The setting for traction battery should never be used with a battery bank
that consists of 2V GEL cells.
Battery Type Stage
GEL
Flooded
@12VDC
@24VDC
@12VDC
@24VDC
Bulk Voltage
14.4VDC
28.8VDC
14.7VDC
29.4VDC
Absorption Voltage
14.1VDC
28.2VDC
14.6VDC
29.2VDC
Float Voltage
13.6VDC
27.2VDC
13.4VDC
26.8VDC
Equalization Voltage
NOTE!
NOTE!
15.5VDC
31VDC
Table 14 ： Battery type charging setting I
Battery Type Stage
AGM
Customer *
@12VDC
@24VDC
@12VDC
@24VDC
Default
Range
Default
Range
Bulk Voltage
14.7VDC
29.4VDC
14.7
12-16
VDC
29.4
24-32
VDC
Absorption Voltage
14.3VDC
28.6VDC
14.5
29
Float Voltage
13.1VDC
26.2VDC
13.5
27
Equalization Voltage
15.5VDC
31VDC
15.5
31
User can be setting the custom function voltage, but must use CR-20C remote control or RS-232.
Table 15 ： Battery type charging setting II
NOTE
Gel batteries are not equalized. Hence, their Equalization Voltages are same as Absorption
Voltages.
Reminder
The default of Equalization function is under “Disable” in the battery types of AGM or
Flooded. Please remember to change from “Disable” to “Enable” if the Equalization
function is required.
WARNING!
When using the Custom setting, the Equalization voltage setting should not allow voltage
lower than the Absorption Voltage setting. Also, the Equalization Voltage setting should not
allow a setting higher than 2-volts (for 12V systems), or 4-volts (for 24V systems) above the
Absorb Voltage setting.