Generac — Installing REbus Wiring
Installation
From a Generac service manual covering: PWRcell M3, PWRcell M3 DCB, PWRcell M4, PWRcell M4 DCB, PWRcell M5, PWRcell M5 DCB, PWRcell M6, PWRcell M6 DCB. Check it applies to your exact model before use.
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Before you start
- Put the Generac PWRcell Inverter into Safety Shutdown before installing wiring. Toggle other batteries' front Battery Disconnect switches to OFF.
- Never connect REbus conductors to ground.
- Connect only to REbus-compatible devices to the DC bus.
Procedure
- Install REbus conductors to their terminal blocks: RE+ to red (B), RE- to black (A).
- Install equipment grounding conductor to green terminal block (C).
- If required, route field wiring conductors through the grommet wiring chase baffle (D).
- At the PWRcell Inverter, install RE+ and RE- conductors to any unused 30 A REbus DC disconnect.
- Secure equipment grounding conductor to the PWRcell Inverter ground bar.
Specs & values
- Allowable wire size 10 - 6 AWG
- Torque 13.3 (1.5) - 15.9 (1.8) lb-in (N-m)
- Strip length 3/8 (10) in (mm)
- Temperature rating 90 C
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.