Transfer switch wiring (for generator and/or Anker Solix)

[klumsy]

Our house , here is rural washington state, USA has an external Square-D double throw not fusible" external manual transfer switch (DTU-224NRB) , (see attached photo) . the previous owners had it attached to a diesel generator, but the wires for the that are gone once we got it.. we have a portable Dewalt DXGNR8000, as well as a Anker Solix F3800 battery system with multiple F3800's and expansion batteries (later we will get professional installation of the Smart Home panel kit, but for now just want to be able to, when the power is out, switch from mains to either generator or the Solix.

from the image below, you can see the mains on the top , with i believe a bonded netrual on the left terminal, which is shared and not part of the switching mechanism and the L1, and L2 to the right.

with the cords from the generator cable (plugging into the 4 prong 120/240v plug on the generator), i know the live ones will go to the corresponding places that switch, and i'm presuming the neutral will be connected to the SAME terminal that the neutral from the mains is connecting to on the left , but what about the ground.. there is no grounding lug on the frame. this square-d switch says it comes with a "bond neutral bar" so i'm presuming that maybe we can connect both wires here? but i want to get this right... also if it is getting the grounding through this mechanism, do i also need to ground the frame of the generator.. which will be about 25 feet from the house.. i want to ensure that i don't create any group loop.


Thanks in advance.

 

[Megawatt]

Our house , here is rural washington state, USA has an external Square-D double throw not fusible" external manual transfer switch (DTU-224NRB) , (see attached photo) . the previous owners had it attached to a diesel generator, but the wires for the that are gone once we got it.. we have a portable Dewalt DXGNR8000, as well as a Anker Solix F3800 battery system with multiple F3800's and expansion batteries (later we will get professional installation of the Smart Home panel kit, but for now just want to be able to, when the power is out, switch from mains to either generator or the Solix.

from the image below, you can see the mains on the top , with i believe a bonded netrual on the left terminal, which is shared and not part of the switching mechanism and the L1, and L2 to the right.

with the cords from the generator cable (plugging into the 4 prong 120/240v plug on the generator), i know the live ones will go to the corresponding places that switch, and i'm presuming the neutral will be connected to the SAME terminal that the neutral from the mains is connecting to on the left , but what about the ground.. there is no grounding lug on the frame. this square-d switch says it comes with a "bond neutral bar" so i'm presuming that maybe we can connect both wires here? but i want to get this right... also if it is getting the grounding through this mechanism, do i also need to ground the frame of the generator.. which will be about 25 feet from the house.. i want to ensure that i don't create any group loop.


Thanks in advance.


View attachment 119102

Even if it’s says that the neutral is bonded to the generator, you still are required to install a ground wire from the generator to the transfer switch. Also you need the neutral from the house panel and ground wire installed in the transfer switch. If you have no place to install the grounds then you will need to install a ground bar, it’s a metal transfer switch and requires grounding. Good luck