quick installation guide
Battery monitor
2 3
2 3
4 5
Method B
Method A
BMV-700 & BMV-702
Ø 52-53 mm
52 mm
62,4 mm
31 mm
1
7
FIRST TIMERS
In case of Li-Ion batteries, several
settings may have to be changed after
the setup wizard is completed.
Please refer to the manual.
The BMV will automatically adjust itself
to the nominal voltage of commonly
used battery systems.
Please refer to the manual.
WARNING
Please read this guide carefully to avoid
incorrect connections that can cause the
battery monitor to malfunction and/or create
a re hazard.
Disconnect the negative pole of the battery
before installation.
V2.0 01-01-2014
Wiring diagrams Connect the negative pole of the battery last!
quick installation guide
BMV-702 congured for STARTER/AUXILIARY-battery monitoring.
BMV-700
BMV-702 congured for battery TEMPERATURE monitoring
Fig. 3
Fig. 4
to battery to load
7
Connect the negative pole of the battery last!
+B2
+B1
UTP
Fig. 1 Fig. 2
+
-
-
-
-
+
-
+
-
+
-
+
+
+
+
+
+
+
+
-
-
-
-
+
-
-
-
+
+
+
Always use busbars when applying midpoint voltage monitoring!
Cables to busbars must all have the same length!
+
+
+
-
+
-
-
Connecting multiple batteries without midpoint voltage monitoring : 24 V
+
+
+
-
+
-
+
-
+
-
+
-
-
-
Applying midpoint voltage monitoring : 24 V
OK WRONG
Due to voltage drop over the + and - cables
midpoint voltages are not identical
Shunt
BMV 702
UTP
+B2
+B1
Fig. 5 Fig. 6
Fig. 7 Fig. 8
GOOD
+
+
+
-
-
-
-
-
-
Midpoints should not be interconnected: one bad
battery can go unnoticed and could damage all
other batteries
Midpoints can be interconnected if corrective action
is taken in case of an alarm.
In case of one string of 2 batteries +B1 and +B2 can
be connected directly to the battery posts.
This cable should be short. Voltage drop over this
cable will distort the midpoint measurement.
V2.0 01-01-2014
-
+
-
+ +
-
+
-
+ +
-
+
-
+ +
+
-
+
-
+
-
+
-
-
-
-
Always use busbars when applying midpoint voltage monitoring!
Cables to busbars must all have the same length!
-
Connecting multiple batteries without midpoint voltage monitoring : 48 V
Applying midpoint voltage monitoring : 48 V
OK WRONG
Due to voltage drop over the + and - cables
midpoint voltages are not identical
Shunt
BMV 702
UTP
+B2
+B1
Fig. 9 Fig. 10
Fig. 11 Fig. 12
Midpoints should not be interconnected: one bad
battery can go unnoticed and could damage all
other batteries
Midpoints can be interconnected if corrective action
is taken in case of an alarm.
In case of one string of 4 batteries +B1 and +B2 can
be connected directly to the battery posts.
-
+
-
+ +
-
+
-
+ +
-
+
-
+ +
+
+
-
+
-
+
-
+
-
-
+
-
+ +
-
+
-
+ +
-
+
-
+ +
-
-
-
-
+
-
+ +
-
+
-
+ +
-
+
-
+ +
+
-
+
-
+
-
+
-
-
-
-
+
-
+
-
+
-
+
-
+
-
-
-
-
GOOD
This cable should be short. Voltage drop over this
cable will distort the midpoint measurement.
-
1
-
2
-
3
-
4
Victron energy BMV-702 Quick Installation Manual
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- Quick Installation Manual
- This manual is also suitable for
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