Samlex-america SCC-30AB Bedienungsanleitung PDF herunterladen (Seite 35)

ConstruCtion, layout & Controls

TABLE 5.2: Push Buttons

BUTTONS ACTION

Display (3, Fig 5.1)

Push to change the LCD display screens (Fig. 5.3)

Push and hold to reset Amp-Hours.

Equalization

(4, Fig. 5.1)

When DIP Switch 5 is set at OFF, hold Restart / Stop Equalization

for 5 sec to manually start equalization. Press it for 2 sec to stop

equalization.

LCD Display – Operational Information

The LCD Display (1, Fig. 5.1) is a 2 Line, 16 character display with backlighting. The

backlighting switches OFF after 5 mins and switches ON again when any button is

pressed. The Push Switch marked “PUSH: Select Display” (3, Fig. 5.1) and “HOLD: Reset

Amp Hours” (3, Fig 5.1) is used to manipulate the LCD functions. Every time the Push

Switch is pressed momentarily, the screen display scrolls. The scrolling sequence is

shown in

Fig. 5.3. Please note that the 7 screens are sequential & are displayed in a continuous loop:

1 - 2 - 3 - 4 - 5 - 6 - 7 - 1 - 2 - 3 and so on (See Fig. 5.3, page 36). When selected, Screens 2 to 7

will be displayed for 15 minutes and thereafter, will revert to Screen 1 (Default Screen). Details

of information provided in the LCD screens (Fig 5.3, page 36) are given below:

SCREEN 1: Shows the solar array current / charging current in Amperes (Amp), Battery

Voltage in V (BatV) and the power delivered by the solar array / fed to the batteries in Watts

(Watts). The value of Watts = the charging current in Amperes (Amp) x Battery Voltage in V

(BatV).

SCREEN 2: It is a resettable counter that displays the Ampere Hours (Amp-Hours) of energy

(in Ah) delivered by the solar panel into the batteries with effect from the time the solar

panel has been connected or with effect from a desired starting / reference point after the

counter is set to 0. The counter can be set to zero with the help of the Push Button marked

“Reset Amp-Hours” (3, Fig. 3) (Push and hold the Push Button till the counter resets to 0).

For example, due to its 75% to 85% efciency, a lead acid battery requires up to around

130% of Amp-Hour energy as compared to its rated Amp-Hour capacity to recharge fully.

Hence, during start of recharging of say a fully discharged 100 Ah battery, the Amp-Hours

counter can be set to 0. As 130 Amp-Hour of energy will be required to re-charge a fully

discharged 100 Ah battery, a healthy battery is likely to be fully recharged when the Amp-

Hour counter approaches 130 Amp-Hours.

SCREEN 3: Counts the total running Ampere Hours (Amp-Hours) of energy (in Ah) delivered

by the solar panel into the batteries. This will only reset if the battery connection is removed.

SCREEN 4: Displays the charging Mode in progress: Bulk or Absorption or Equalization or Float.

SCREEN 5: Displays the Bulk (same as Absorption) and Float Voltages that have been

programmed for the desired battery type corresponding to one of the 8 options that can be

selected with the help of DIP Switches 2, 3, 4 (See page 43, Table 6.1).

SCREEN 6: Displays the programmed Equalization Voltage (EQU, inV), Equalization

Time (EQU-T, in Hours) and Equalization Cycle (CYCLE, in days). These parameters are

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 107 108

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