iMars grid-tied solar inverters                                                                                                    Installation 
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The steps to access the grid are as follows: 
  (1)Lighting, short-circuit and other protection measures which meet the local electrical safety 
laws and regulations are needed before the AC connection.   
  Only qualified cables under the local electrical safety laws and regulations 
and comply  with  the technical parameters  of this  manual  are allowed to 
connect to the inverter. 
  Only with the permission of the local electric power company can the inverter be 
connected to the utility grid. 
(2) Disassemble the waterproof cover of the three-phase inverter AC junction box, as shown in 
Figure 4.17. 
 
Figure 4.17 Unpacking the waterproof cover 
(3) Remove the fixing screws of AC terminal rail, as shown in Figure 4.18. 
 
Figure 4.18 Remove fixing screws of the rail   
(4) Pull out the AC terminal rail as shown in Figure 4.19.