Electrical Features - Western Co WRM20 Manuel De L'utilisateur

Electrical features

Battery voltage
Open circuit panel voltage
Panel current
Maximum panel power
Load output voltage
Load current
Charge voltage at 25°C – SEAL program
(default)
Charge voltage at 25°C – FLOOD program
Charge voltage at 25°C – LEO program
Charge voltage for Li program
Compensation of Vch function of battery
temperature (Tbatt)
Low battery voltage (settable)
Exit Low battery voltage
Detection voltage of the day (settable)
Detection voltage of the night: Vnight =
Vday –0.8V
Float phase voltage
Absorption time (settable)
Auto consumption
Working temperature
Dissipated power
Wire gauge
Protection degree
Weight
(*)When selected Li program, the charge voltage is not compensated in accordance with battery temperature.
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WRM20 and WRM20+
User manual
12V battery nominal voltage 24V battery nominal voltage
Min
10V
Vbatt
Vpan 20V
Ipan -
-
Pmax
Vload -
-
Iload
Vch
Vch
Vch
Vch 14.0V
-
Vtadj
Vlb 10.8V
12.4V
Vout_lb
Vday 2.4V
Vnight 1.6V
VFlt at 25°C
TAbsorption 1.0 h
Isleep
Tamb -10°C
Pdiss
1mm
-
Tab.4 Table of electrical features
9
Typ Max
17V
- 100V
- 19A
- 310W
Battery
-
voltage
- 20A
14.4V
14.8V
14.4V
- 14.7V 28.0V
-24mV/°C -
11.4V
12.2V 21.6V
(default)
13.8V 13.8V 24.8V
4.8V
9.6V
(default)
- 8.8V
Vch – 0.6V
3.0 h
4.0 h 1.0 h
(default)
12.7mA
(Vbat 14,0V)
50°C -10°C
20 W
2 2
10mm 1mm
IP20
515 g -
EN
Min Typ Max
20V 34V
40V - 100V
- - 19A
- - 620W
Battery
- -
voltage
- - 20A
28.8V
29.6V
28.8V
- 29.4V
- -48mV/°C -
22.8V
24.4V
(default)
27.6V 27.6V
9.6V
4.8V 19.2V
(default)
4.0V - 18.4V
Vch – 1.2V
3.0 h
4.0 h
(default)
17,7mA
(Vbat 28,0V)
50°C
29 W
2
10mm
IP20
- 515 g -
2