Mechanical Installation; Electrical Installation - Dyness B51100 User Manual

3.2.2 Mechanical installation

Installation method:
1. Place the B51100 unit on the bracket
as shown in the figure and push the
device into the cabinet at the
installation position. (The cabinet
structure in the figure is for
reference only)
2. Secure the B51100 unit to the
cabinet with a nut through the
mounting holes top on the hanging
ears of the B51100 unit.

3.2.3 Electrical installation

Before connecting the power cables, use multimeter to measure cable continuity, short circuit,
confirm positive and negative, and accurately mark the cable labels.
Measuring methods：
 Power cable check: select the buzzer mode of multimeter and detect the both ends of
the same color cable. If the buzzer calls, it means the cable is in good condition.

Short circuit judgment: choose multimeter resistor file, probe the same end of positive
and negative pole, if the resistor shows infinity, means that the cable is available.

After visual testing of power line connection, the positive and negative poles of the
battery shall be connected respectively to the positive and negative poles of the opposite
terminal.
It is better to add a circuit breaker between the inverter and the battery system. The selection of
the circuit breaker requires:
The circuit breaker is installed between the battery module and the inverter, as shown in Figure
3-4:
Voltage: U>60V
Inverter power
Current: I =
45V
B51100 User Manual
Figure3-2
Figure3-3
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