Remove Bmu From Pwrcell Battery Frame; Install Bmu To Pwrcell Battery Frame - Generac Power Systems PWRcell Reference Manual

Section 13 PWRcell Battery BMU Replacement
ON OFF
BATTERY DISCONNECT
Figure 13-16.

Remove BMU from PWRcell Battery Frame

ON OFF
BATTERY DISCONNECT
Figure 13-17.

Install BMU to PWRcell Battery Frame

ON OFF
BATTERY DISCONNECT
Figure 13-18.
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7. Disconnect red 4 pin connector for master switch
assembly from BMU.
8. Disconnect black 3 pin connector for led indicator.
9. Disconnect gray CAT5 cable for battery modules
from underside of BMU.
10. Disconnect USB-B connector for service cable
from underside of BMU. (show USB and CAT5
cables
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1. Locate and remove two retaining fasteners on
bottom of BMU bracket.
2. Lift BMU assembly up off of fasteners and remove
assembly.
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Reverse order of removal.
1. Slide BMU assembly down on hangers and fasten
with two retaining screws or nuts.
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Diagnostic Repair Manual