BPD series PV pumping inverter    Installation guide 
55 
the operators  cannot release  the  device  until  the  inverter  is  installed  on  the  bracket 
firmly. 
 
Figure 5.5 Inverter installation 
5.4 Electrical installation 
 
Figure 5.6 Electrical wiring of the inverter 
Steps of electrical connection:   
(1) If the distance between the solar inverter and the motor is longer than 50 meters, it is 
recommended to install the output reactor to avoid the frequent overcurrent protection 
and the motor isolation damage. For models of reactors, consult INVT. 
(2) Connect the DC output, AC input, AC output and the communication wire to the 
males, and then plug them to the females of the inverter. Tighten up to ensure the proper 
connection. Press a male as follows.