Generac — Generator Connections - RTS Load Center Transfer Switch

Installation · generator connection area

From a Generac service manual — check it applies to your exact model before use.

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Procedure

1. If the generator has an external connection box and 5' seal-tite whip pre-wired, no additional connections are needed.
2. If the RTS switch was purchased separately, connect the 5' seal-tite whip and run 3/4 inch conduit for power leads and control wires.
3. Remove the two screws securing the connection area cover, and remove the cover.
4. Feed the wires through the back of the generator and secure the conduit with the lock nut.
5. Run the power leads through the strain relief provided.
6. On 8 kW units, the main breaker is located inside the generator at the rear of the connection area.
7. For all other models the circuit breaker is attached to the exterior access panel.
8. Remove the plastic plugs inside the main breaker access area to allow connection of the power leads.
9. Connect the red and black power leads to the circuit breaker.
10. Connect the green equipment ground wire to the ground stud and torque to 80 inch lbs.
11. Connect the white neutral wire to the neutral post and torque to 100 inch lbs.
12. Connect the control wires to terminals marked N1, N2, 23 and 15B; a 0 wire is also required if connecting a pre-wired switch.

Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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