Mastervolt MasterShunt 500

CONFIGURATION
EN / MasterShunt / February 2011 19
Variable Description Factory sett.* Range
Float voltage This voltage must be set just below the lowest
float voltage of all system charging devices at
operating temperature. Lower this value by 0.1V if
your MasterShunt does not return to 100% after a
long period of charging. Float voltage is used to
determine if the battery is fully charged (refer to
section 13.4).
Wet batteries,
Gel, AGM:
13.25/26.5/53.0
V,
Li-ion:
13.5/27.0/54.0V
12.0-15.0V/
24.0-30.0V/
48-60V
Absorption This value is set to the recommended absorption
voltage.
Wet, Gel, AGM:
14.25/28.5/57.0
V, Li-ion:
14.6/29.2/58.4V
12.0-15.0V/24.0-
30.0V/48-60V
Reset setup will
void warranty
This screen warns you for the possible
consequences of resetting the setup.
Reset setup Reset the complete setup of the MasterShunt, this will reload all default factory settings.
Careful: resetting the setup voids your system warranty!
Alarm levels
Voltage pre low To prevent the battery from becoming too deeply
discharged, a value above Voltage low can be set.
At Voltage pre low for instance a generator can be
started.
Wet, Gel, AGM:
11.0/22.0/44.0V,
Li-ion:
11.5/23.0/46.0V
10-15V/
20-23V/
40-60V
Voltage low The low voltage set point marks the voltage
threshold of too low battery. If the battery voltage
drops below this value, the alarm function will be
activated after the Low delay, see below.
Wet, Gel, AGM:
10.0/20.0/40.0V,
Li-ion:
11.0/22.0/44.0V
10-15V/
20-23V/
40-60V
Battery pre low Set the State Of Charge value below which the
alarm function Battery pre low will be triggered,
default 40%. Note: the Battery pre low level is
higher than Battery low, to prevent the Battery low
situation.
40%
Li-ion: 25%
10-90%
Battery low Set the State Of Charge value below which the
alarm function Battery low will be triggered, 35 %
default.
35%
Li-ion: 20%
10-90%
Battery full Set the State Of Charge value at which the alarm
function Battery full will be triggered, default
100%. It could be used to switch off a generator.
100% 30-100%
Low delay The “alarm delay time” can be set to delay the
alarm function when the DC-voltage drops below
the Voltage low set point or the SOC drops below
the Battery low level. This delay prevents a false
alarm as a result of a temporary voltage drop,
after switching on heavy loads.
30 seconds 0-100 seconds
Voltage high When the battery voltage rises above this level,
the alarm function will be triggered.
Wet, Gel, AGM:
15.0/30.0/60.0V,
Li-ion:
15.5/31.0/62.0V
13.0-18.0/
26.0-36.0/
52.0-72.0V.
High delay The “alarm delay time” can be set to delay the
alarm function when the DC-voltage rises above
the Voltage high set point. As high voltage is
accompanied by a high risk the factory setting for
high delay is 0 seconds.
0 seconds 0-60 seconds
Timers
Timer 1 Select Select the day at which timer 1 is activated. Disabled Disabled, Sun..Sat,
Weekend, Daily,
Monthly
Timer 1 On hour Set the hour at which timer 1 will start. 0 0…23
Timer 1 On min Select the minute at which timer 1 will start. 0 0…59
Timer 1 Off hour Select the hour at which timer 1 will stop. 0 0…23
Timer 1 Off min Select the minute at which timer 1 will stop. 0 0…59
Stop when full Has for instance a generator stop when the
battery is full before timer 1 elapsed.
Timer 2 On hour Set the day at which timer 2 is activated, only after
you enabled timer 1.
0 See timer 1
Timer 2
variables
See timer 1 0 0…23
* The factory settings for Li-ion batteries are applicable for the Mastervolt Li-ion batteries only. For other Li-ion
batteries, these settings should be adjusted.