24 | SAMLEX AMERICA INC.
Table 7.2 DIP Switch Settings for DIP Switches S1 & S2 (
7 in Fig 3
): SEC-2425UL
DIP
Switch S1
DIP
Switch S2
Float
Absorption
Battery
Type/ Usage
Charging
Stages
OFF*
ON*
27V*
28.8V*
Flooded /
AGM*
3 Stages
(Stages 1, 2, 3)
ON
OFF
27V
28.0V
Gel Cell
3 Stages
(Stages 1, 2, 3)
OFF
OFF
27V
Disabled
Charger
is used as
Power Supply
or DC UPS
2 Stages
(Stages 1, 3)
ON
ON
Caution! Do not use this setting
* Factory pre-set in this position
!
CAUTION!
PLEASE ENSURE THAT POSITION S1- ON AND S2 - ON IS NEVER SELECTED
7.5 SETTING ABSORPTION STAGE TIMER
The charger transitions from Stage 2 - Absorption Stage (
Section 4.3.2
) to Stage 3 - Float
Stage (
Section 4.3.3
) at point “E2” (
Current Curves in Figs 4.1 and 4.2
) under one of the
following 2 conditions (
whichever occurs earlier
):
a) When the charging current tapers down to 10% of the rated “Bulk Stage Current
Capacity” of the charger i.e. (i) 5A +/- 0.5A for SEC-1250UL or, (ii) 3A +/- 0.5A for
SEC-2425UL
OR
b) When the 4 Hr / 8 Hr Absorption Stage Timer (
Selected by DIP Switches “S3” and
“S4”- See Table 7.3 below
) runs out.
Table 7.3 Absorption Stage Timer Settings using DIP Switches S3 & S4
Time
DIP Switch
S3
DIP Switch
S4
Applicable Battery
Type
4 hours*
OFF*
ON*
Flooded / Wet Cell
8 hours
ON
OFF
Gel Cell & AGM
Disable
OFF
OFF
-
* Factory preset in this position
!
CAUTION!
PLEASE ENSURE THAT POSITION S3- ON AND S4 - ON IS NEVER SELECTED
SECTION 7 |
Preparing the Charger for Operation